./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/test-0521.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_8b72bd18-6c7f-4c2a-8871-96d849c00323/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b72bd18-6c7f-4c2a-8871-96d849c00323/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_8b72bd18-6c7f-4c2a-8871-96d849c00323/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b72bd18-6c7f-4c2a-8871-96d849c00323/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0521.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b72bd18-6c7f-4c2a-8871-96d849c00323/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_8b72bd18-6c7f-4c2a-8871-96d849c00323/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 aa94cb741c9c7eaa2ca9bb871f44dd4c619faf21975944b61e221a61ad9730d7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:57:01,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:57:01,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:57:01,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:57:01,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:57:01,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:57:01,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:57:01,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:57:01,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:57:01,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:57:01,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:57:01,770 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:57:01,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:57:01,773 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:57:01,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:57:01,783 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:57:01,784 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:57:01,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:57:01,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:57:01,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:57:01,797 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:57:01,798 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:57:01,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:57:01,802 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:57:01,810 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:57:01,811 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:57:01,811 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:57:01,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:57:01,814 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:57:01,815 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:57:01,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:57:01,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:57:01,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:57:01,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:57:01,821 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:57:01,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:57:01,822 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:57:01,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:57:01,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:57:01,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:57:01,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:57:01,825 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b72bd18-6c7f-4c2a-8871-96d849c00323/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 00:57:01,863 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:57:01,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:57:01,865 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:57:01,865 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:57:01,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:57:01,866 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:57:01,866 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:57:01,866 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:57:01,872 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:57:01,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:57:01,874 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 00:57:01,874 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 00:57:01,874 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 00:57:01,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:57:01,874 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:57:01,875 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:57:01,875 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:57:01,875 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:57:01,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:57:01,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:57:01,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:57:01,876 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:57:01,876 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:57:01,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:57:01,876 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_8b72bd18-6c7f-4c2a-8871-96d849c00323/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b72bd18-6c7f-4c2a-8871-96d849c00323/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa94cb741c9c7eaa2ca9bb871f44dd4c619faf21975944b61e221a61ad9730d7 [2021-11-23 00:57:02,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:57:02,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:57:02,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:57:02,203 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:57:02,204 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:57:02,205 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b72bd18-6c7f-4c2a-8871-96d849c00323/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/memsafety/test-0521.i [2021-11-23 00:57:02,280 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b72bd18-6c7f-4c2a-8871-96d849c00323/bin/ukojak-LBtLqBUTdQ/data/4dc5f5fea/8c5a8c213eba4503b64f2a0e70ea0993/FLAGb046f3f49 [2021-11-23 00:57:02,836 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:57:02,837 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b72bd18-6c7f-4c2a-8871-96d849c00323/sv-benchmarks/c/memsafety/test-0521.i [2021-11-23 00:57:02,851 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b72bd18-6c7f-4c2a-8871-96d849c00323/bin/ukojak-LBtLqBUTdQ/data/4dc5f5fea/8c5a8c213eba4503b64f2a0e70ea0993/FLAGb046f3f49 [2021-11-23 00:57:03,130 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b72bd18-6c7f-4c2a-8871-96d849c00323/bin/ukojak-LBtLqBUTdQ/data/4dc5f5fea/8c5a8c213eba4503b64f2a0e70ea0993 [2021-11-23 00:57:03,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:57:03,139 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:57:03,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:57:03,149 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:57:03,152 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:57:03,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:57:03" (1/1) ... [2021-11-23 00:57:03,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4394ebac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:03, skipping insertion in model container [2021-11-23 00:57:03,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:57:03" (1/1) ... [2021-11-23 00:57:03,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:57:03,228 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:57:03,576 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:57:03,584 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:57:03,648 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:57:03,679 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:57:03,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:03 WrapperNode [2021-11-23 00:57:03,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:57:03,681 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:57:03,681 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:57:03,681 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:57:03,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:03" (1/1) ... [2021-11-23 00:57:03,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:03" (1/1) ... [2021-11-23 00:57:03,745 INFO L137 Inliner]: procedures = 125, calls = 95, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 305 [2021-11-23 00:57:03,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:57:03,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:57:03,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:57:03,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:57:03,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:03" (1/1) ... [2021-11-23 00:57:03,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:03" (1/1) ... [2021-11-23 00:57:03,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:03" (1/1) ... [2021-11-23 00:57:03,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:03" (1/1) ... [2021-11-23 00:57:03,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:03" (1/1) ... [2021-11-23 00:57:03,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:03" (1/1) ... [2021-11-23 00:57:03,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:03" (1/1) ... [2021-11-23 00:57:03,792 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:57:03,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:57:03,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:57:03,794 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:57:03,794 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:03" (1/1) ... [2021-11-23 00:57:03,810 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:57:03,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b72bd18-6c7f-4c2a-8871-96d849c00323/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:57:03,845 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b72bd18-6c7f-4c2a-8871-96d849c00323/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:57:03,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b72bd18-6c7f-4c2a-8871-96d849c00323/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:57:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:57:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:57:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:57:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:57:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 00:57:03,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 00:57:03,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:57:03,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 00:57:03,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:57:03,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:57:03,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:57:04,078 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:57:04,080 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:57:04,916 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:57:05,092 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:57:05,093 INFO L301 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-23 00:57:05,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:57:05 BoogieIcfgContainer [2021-11-23 00:57:05,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:57:05,097 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:57:05,097 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:57:05,121 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:57:05,121 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:57:05" (1/1) ... [2021-11-23 00:57:05,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:57:05,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:05,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 274 states and 302 transitions. [2021-11-23 00:57:05,207 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 302 transitions. [2021-11-23 00:57:05,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:57:05,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:05,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:05,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:05,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:05,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 273 states and 300 transitions. [2021-11-23 00:57:05,390 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 300 transitions. [2021-11-23 00:57:05,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:57:05,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:05,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:05,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:05,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:05,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 272 states and 299 transitions. [2021-11-23 00:57:05,504 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 299 transitions. [2021-11-23 00:57:05,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:57:05,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:05,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:05,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:05,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:05,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 271 states and 298 transitions. [2021-11-23 00:57:05,554 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 298 transitions. [2021-11-23 00:57:05,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:57:05,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:05,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:05,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:05,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:05,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 270 states and 297 transitions. [2021-11-23 00:57:05,713 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 297 transitions. [2021-11-23 00:57:05,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:57:05,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:05,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:05,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:05,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:05,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 269 states and 296 transitions. [2021-11-23 00:57:05,772 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 296 transitions. [2021-11-23 00:57:05,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:57:05,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:05,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:05,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:05,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:05,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 268 states and 295 transitions. [2021-11-23 00:57:05,967 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 295 transitions. [2021-11-23 00:57:05,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:57:05,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:05,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:05,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:06,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:06,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:06,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 267 states and 294 transitions. [2021-11-23 00:57:06,082 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 294 transitions. [2021-11-23 00:57:06,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:57:06,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:06,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:06,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:06,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:06,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:06,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 266 states and 293 transitions. [2021-11-23 00:57:06,315 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 293 transitions. [2021-11-23 00:57:06,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:57:06,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:06,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:06,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:06,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:06,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 265 states and 292 transitions. [2021-11-23 00:57:06,371 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 292 transitions. [2021-11-23 00:57:06,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:57:06,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:06,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:06,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:06,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:06,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 264 states and 291 transitions. [2021-11-23 00:57:06,414 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 291 transitions. [2021-11-23 00:57:06,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:57:06,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:06,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:06,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:06,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:06,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:06,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 269 states and 297 transitions. [2021-11-23 00:57:06,698 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 297 transitions. [2021-11-23 00:57:06,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:57:06,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:06,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:06,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:06,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:06,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:06,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 268 states and 296 transitions. [2021-11-23 00:57:06,842 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 296 transitions. [2021-11-23 00:57:06,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:57:06,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:06,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:06,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:07,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:07,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 270 states and 299 transitions. [2021-11-23 00:57:07,325 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 299 transitions. [2021-11-23 00:57:07,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:57:07,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:07,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:07,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:07,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:07,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:07,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 269 states and 298 transitions. [2021-11-23 00:57:07,370 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 298 transitions. [2021-11-23 00:57:07,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:57:07,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:07,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:07,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:07,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:07,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 273 states and 304 transitions. [2021-11-23 00:57:07,649 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 304 transitions. [2021-11-23 00:57:07,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:57:07,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:07,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:07,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:07,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:07,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:07,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 274 states and 308 transitions. [2021-11-23 00:57:07,760 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 308 transitions. [2021-11-23 00:57:07,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:57:07,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:07,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:07,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:07,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:08,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:08,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 277 states and 311 transitions. [2021-11-23 00:57:08,503 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 311 transitions. [2021-11-23 00:57:08,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:57:08,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:08,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:08,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:08,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:09,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:09,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 276 states and 310 transitions. [2021-11-23 00:57:09,381 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 310 transitions. [2021-11-23 00:57:09,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:57:09,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:09,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:09,521 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:10,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:10,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 275 states and 309 transitions. [2021-11-23 00:57:10,424 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 309 transitions. [2021-11-23 00:57:10,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:57:10,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:10,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:10,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:10,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:10,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:10,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 275 states and 308 transitions. [2021-11-23 00:57:10,442 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 308 transitions. [2021-11-23 00:57:10,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:57:10,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:10,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:10,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:11,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:11,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 281 states and 321 transitions. [2021-11-23 00:57:11,958 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 321 transitions. [2021-11-23 00:57:11,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:57:11,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:11,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:11,994 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:57:12,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:12,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 280 states and 320 transitions. [2021-11-23 00:57:12,483 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 320 transitions. [2021-11-23 00:57:12,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:57:12,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:12,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:12,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:57:12,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:12,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 271 states and 307 transitions. [2021-11-23 00:57:12,965 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 307 transitions. [2021-11-23 00:57:12,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:57:12,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:12,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:12,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:12,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:12,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 272 states and 308 transitions. [2021-11-23 00:57:12,991 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 308 transitions. [2021-11-23 00:57:12,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:57:12,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:12,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:12,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:13,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:13,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:13,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 271 states and 307 transitions. [2021-11-23 00:57:13,156 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 307 transitions. [2021-11-23 00:57:13,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:57:13,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:13,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:13,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:13,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:13,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 270 states and 306 transitions. [2021-11-23 00:57:13,619 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 306 transitions. [2021-11-23 00:57:13,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:57:13,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:13,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:13,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:14,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:14,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 274 states and 310 transitions. [2021-11-23 00:57:14,347 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 310 transitions. [2021-11-23 00:57:14,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:57:14,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:14,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:14,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:14,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:14,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 273 states and 309 transitions. [2021-11-23 00:57:14,623 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 309 transitions. [2021-11-23 00:57:14,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:57:14,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:14,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:14,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:15,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:15,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 275 states and 312 transitions. [2021-11-23 00:57:15,473 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 312 transitions. [2021-11-23 00:57:15,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:57:15,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:15,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:16,193 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:20,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:20,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 274 states and 311 transitions. [2021-11-23 00:57:20,474 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 311 transitions. [2021-11-23 00:57:20,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:57:20,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:20,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:21,558 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:28,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:28,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 273 states and 310 transitions. [2021-11-23 00:57:28,392 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 310 transitions. [2021-11-23 00:57:28,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:57:28,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:28,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:28,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:28,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:57:28,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:28,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 272 states and 309 transitions. [2021-11-23 00:57:28,858 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 309 transitions. [2021-11-23 00:57:28,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:57:28,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:28,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:28,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:29,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:57:30,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:30,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 271 states and 308 transitions. [2021-11-23 00:57:30,154 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 308 transitions. [2021-11-23 00:57:30,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:57:30,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:30,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:30,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:30,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:30,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:30,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 270 states and 307 transitions. [2021-11-23 00:57:30,199 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 307 transitions. [2021-11-23 00:57:30,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:57:30,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:30,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:30,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:31,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:31,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 274 states and 313 transitions. [2021-11-23 00:57:31,069 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 313 transitions. [2021-11-23 00:57:31,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:57:31,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:31,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:31,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:32,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:34,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:34,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 271 states and 308 transitions. [2021-11-23 00:57:34,753 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 308 transitions. [2021-11-23 00:57:34,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:57:34,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:34,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:34,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:35,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:35,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 272 states and 312 transitions. [2021-11-23 00:57:35,089 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 312 transitions. [2021-11-23 00:57:35,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:57:35,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:35,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:35,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:35,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:37,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:37,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 275 states and 315 transitions. [2021-11-23 00:57:37,308 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 315 transitions. [2021-11-23 00:57:37,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:57:37,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:37,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:37,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:37,333 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:57:37,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:37,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 274 states and 314 transitions. [2021-11-23 00:57:37,351 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 314 transitions. [2021-11-23 00:57:37,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:57:37,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:37,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:37,380 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:57:37,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:37,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 273 states and 313 transitions. [2021-11-23 00:57:37,408 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 313 transitions. [2021-11-23 00:57:37,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:57:37,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:37,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:37,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:37,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:45,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:45,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 294 states and 351 transitions. [2021-11-23 00:57:45,896 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 351 transitions. [2021-11-23 00:57:45,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:57:45,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:45,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:45,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:45,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:49,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:49,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 299 states and 363 transitions. [2021-11-23 00:57:49,508 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 363 transitions. [2021-11-23 00:57:49,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:57:49,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:49,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:49,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:57:50,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:50,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 301 states and 368 transitions. [2021-11-23 00:57:50,152 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 368 transitions. [2021-11-23 00:57:50,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:57:50,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:50,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:50,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:57:50,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:50,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 303 states and 373 transitions. [2021-11-23 00:57:50,812 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 373 transitions. [2021-11-23 00:57:50,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:57:50,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:50,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:51,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:57:58,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:58,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 302 states and 372 transitions. [2021-11-23 00:57:58,709 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 372 transitions. [2021-11-23 00:57:58,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:57:58,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:58,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:59,906 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:08,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:08,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 301 states and 371 transitions. [2021-11-23 00:58:08,911 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 371 transitions. [2021-11-23 00:58:08,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:58:08,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:08,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:08,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:08,937 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:58:09,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:09,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 300 states and 370 transitions. [2021-11-23 00:58:09,651 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 370 transitions. [2021-11-23 00:58:09,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:58:09,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:09,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:09,679 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:58:10,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:10,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 299 states and 369 transitions. [2021-11-23 00:58:10,447 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 369 transitions. [2021-11-23 00:58:10,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:58:10,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:10,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:10,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:58:10,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:10,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 298 states and 368 transitions. [2021-11-23 00:58:10,498 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 368 transitions. [2021-11-23 00:58:10,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:58:10,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:10,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:10,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:10,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:58:12,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:12,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 302 states and 378 transitions. [2021-11-23 00:58:12,422 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 378 transitions. [2021-11-23 00:58:12,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:58:12,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:12,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:12,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:14,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:29,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:29,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 322 states and 403 transitions. [2021-11-23 00:58:29,082 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 403 transitions. [2021-11-23 00:58:29,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:58:29,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:29,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:33,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:54,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:54,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 325 states and 407 transitions. [2021-11-23 00:58:54,276 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 407 transitions. [2021-11-23 00:58:54,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:58:54,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:54,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:54,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:58:54,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:54,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 324 states and 406 transitions. [2021-11-23 00:58:54,314 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 406 transitions. [2021-11-23 00:58:54,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:58:54,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:54,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:54,340 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:58:54,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:54,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 323 states and 405 transitions. [2021-11-23 00:58:54,370 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 405 transitions. [2021-11-23 00:58:54,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:58:54,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:54,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:54,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:59,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:31,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:31,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 345 states and 433 transitions. [2021-11-23 00:59:31,561 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 433 transitions. [2021-11-23 00:59:31,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:59:31,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:31,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:31,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:32,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:37,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:37,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 345 states and 431 transitions. [2021-11-23 00:59:37,454 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 431 transitions. [2021-11-23 00:59:37,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:59:37,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:37,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:37,484 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:59:37,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:37,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 346 states and 436 transitions. [2021-11-23 00:59:37,523 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 436 transitions. [2021-11-23 00:59:37,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:59:37,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:37,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:37,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:59:38,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:38,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 346 states and 435 transitions. [2021-11-23 00:59:38,038 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 435 transitions. [2021-11-23 00:59:38,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:59:38,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:38,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:38,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:38,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:59:42,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:42,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 346 states and 434 transitions. [2021-11-23 00:59:42,379 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 434 transitions. [2021-11-23 00:59:42,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:59:42,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:42,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:42,427 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:48,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:48,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 351 states and 440 transitions. [2021-11-23 00:59:48,200 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 440 transitions. [2021-11-23 00:59:48,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:59:48,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:48,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:49,211 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:59:56,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:56,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 355 states and 449 transitions. [2021-11-23 00:59:56,934 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 449 transitions. [2021-11-23 00:59:56,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:59:56,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:56,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:03,927 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:49,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:49,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 364 states and 461 transitions. [2021-11-23 01:00:49,483 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 461 transitions. [2021-11-23 01:00:49,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:00:49,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:49,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:58,734 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:52,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:52,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 373 states and 474 transitions. [2021-11-23 01:01:52,848 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 474 transitions. [2021-11-23 01:01:52,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:01:52,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:52,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:54,643 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:02:41,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:41,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 388 states and 507 transitions. [2021-11-23 01:02:41,585 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 507 transitions. [2021-11-23 01:02:41,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:02:41,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:41,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:41,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:45,319 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:03:39,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:39,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 403 states and 541 transitions. [2021-11-23 01:03:39,450 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 541 transitions. [2021-11-23 01:03:39,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:03:39,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:39,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:39,475 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 01:03:46,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:46,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 334 states and 434 transitions. [2021-11-23 01:03:46,045 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 434 transitions. [2021-11-23 01:03:46,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:03:46,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:46,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:46,072 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:03:47,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:47,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 333 states and 433 transitions. [2021-11-23 01:03:47,968 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 433 transitions. [2021-11-23 01:03:47,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:03:47,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:47,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:47,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:47,997 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:03:59,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:59,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 331 states and 424 transitions. [2021-11-23 01:03:59,432 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 424 transitions. [2021-11-23 01:03:59,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:03:59,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:59,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:59,453 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:03:59,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:59,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 333 states and 428 transitions. [2021-11-23 01:03:59,480 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 428 transitions. [2021-11-23 01:03:59,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:03:59,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:59,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:00,980 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:04:01,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:01,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 336 states and 433 transitions. [2021-11-23 01:04:01,597 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 433 transitions. [2021-11-23 01:04:01,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:04:01,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:01,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:01,620 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:04:01,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:01,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 335 states and 432 transitions. [2021-11-23 01:04:01,641 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 432 transitions. [2021-11-23 01:04:01,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:04:01,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:01,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:02,454 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:04:02,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:02,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 337 states and 435 transitions. [2021-11-23 01:04:02,486 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 435 transitions. [2021-11-23 01:04:02,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:04:02,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:02,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:02,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:02,537 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:04:02,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:02,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 336 states and 434 transitions. [2021-11-23 01:04:02,558 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 434 transitions. [2021-11-23 01:04:02,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:04:02,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:02,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:06,764 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:05:22,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:22,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 349 states and 465 transitions. [2021-11-23 01:05:22,037 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 465 transitions. [2021-11-23 01:05:22,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:05:22,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:22,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:22,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:23,669 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:05:32,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:32,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 348 states and 464 transitions. [2021-11-23 01:05:32,307 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 464 transitions. [2021-11-23 01:05:32,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:05:32,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:32,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:40,121 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:05:56,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:56,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 353 states and 469 transitions. [2021-11-23 01:05:56,049 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 469 transitions. [2021-11-23 01:05:56,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:05:56,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:56,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:57,092 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 01:06:51,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:51,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 352 states and 465 transitions. [2021-11-23 01:06:51,322 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 465 transitions. [2021-11-23 01:06:51,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:06:51,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:51,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:51,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:51,360 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:07:17,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:17,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 351 states and 461 transitions. [2021-11-23 01:07:17,584 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 461 transitions. [2021-11-23 01:07:17,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:07:17,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:17,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:17,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:30,493 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:08:12,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:12,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 359 states and 479 transitions. [2021-11-23 01:08:12,101 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 479 transitions. [2021-11-23 01:08:12,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:08:12,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:12,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:12,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:12,125 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:08:17,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:17,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 360 states and 481 transitions. [2021-11-23 01:08:17,366 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 481 transitions. [2021-11-23 01:08:17,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:08:17,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:17,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:17,394 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:08:21,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:21,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 361 states and 482 transitions. [2021-11-23 01:08:21,924 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 482 transitions. [2021-11-23 01:08:21,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:08:21,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:21,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:46,353 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.