./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/sll2n_append_equal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d060c7-310f-4fe6-b0a5-a02c434ab797/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d060c7-310f-4fe6-b0a5-a02c434ab797/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_75d060c7-310f-4fe6-b0a5-a02c434ab797/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d060c7-310f-4fe6-b0a5-a02c434ab797/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2n_append_equal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d060c7-310f-4fe6-b0a5-a02c434ab797/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_75d060c7-310f-4fe6-b0a5-a02c434ab797/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 f218eac2d2b52810cb44bb8b3f3f80463ec7e46c8818b20f079ed947cc8e9fd0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:20:22,799 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:20:22,801 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:20:22,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:20:22,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:20:22,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:20:22,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:20:22,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:20:22,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:20:22,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:20:22,882 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:20:22,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:20:22,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:20:22,888 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:20:22,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:20:22,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:20:22,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:20:22,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:20:22,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:20:22,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:20:22,908 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:20:22,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:20:22,911 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:20:22,912 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:20:22,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:20:22,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:20:22,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:20:22,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:20:22,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:20:22,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:20:22,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:20:22,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:20:22,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:20:22,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:20:22,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:20:22,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:20:22,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:20:22,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:20:22,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:20:22,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:20:22,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:20:22,929 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d060c7-310f-4fe6-b0a5-a02c434ab797/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-22 23:20:22,951 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:20:22,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:20:22,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:20:22,953 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:20:22,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:20:22,954 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:20:22,954 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 23:20:22,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:20:22,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:20:22,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:20:22,955 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-22 23:20:22,955 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-22 23:20:22,955 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-22 23:20:22,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:20:22,955 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:20:22,956 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:20:22,956 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:20:22,956 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:20:22,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:20:22,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:20:22,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:20:22,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:20:22,957 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:20:22,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:20:22,958 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_75d060c7-310f-4fe6-b0a5-a02c434ab797/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d060c7-310f-4fe6-b0a5-a02c434ab797/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f218eac2d2b52810cb44bb8b3f3f80463ec7e46c8818b20f079ed947cc8e9fd0 [2021-11-22 23:20:23,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:20:23,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:20:23,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:20:23,249 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:20:23,257 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:20:23,258 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d060c7-310f-4fe6-b0a5-a02c434ab797/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/list-simple/sll2n_append_equal.i [2021-11-22 23:20:23,325 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d060c7-310f-4fe6-b0a5-a02c434ab797/bin/ukojak-LBtLqBUTdQ/data/3056f725e/dee466c2d2c9432da7c616a7a0bb1d77/FLAGfe021ebf2 [2021-11-22 23:20:23,901 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:20:23,910 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d060c7-310f-4fe6-b0a5-a02c434ab797/sv-benchmarks/c/list-simple/sll2n_append_equal.i [2021-11-22 23:20:23,932 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d060c7-310f-4fe6-b0a5-a02c434ab797/bin/ukojak-LBtLqBUTdQ/data/3056f725e/dee466c2d2c9432da7c616a7a0bb1d77/FLAGfe021ebf2 [2021-11-22 23:20:24,175 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d060c7-310f-4fe6-b0a5-a02c434ab797/bin/ukojak-LBtLqBUTdQ/data/3056f725e/dee466c2d2c9432da7c616a7a0bb1d77 [2021-11-22 23:20:24,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:20:24,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:20:24,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:20:24,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:20:24,183 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:20:24,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:20:24" (1/1) ... [2021-11-22 23:20:24,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e5209f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:24, skipping insertion in model container [2021-11-22 23:20:24,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:20:24" (1/1) ... [2021-11-22 23:20:24,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:20:24,236 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:20:24,558 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d060c7-310f-4fe6-b0a5-a02c434ab797/sv-benchmarks/c/list-simple/sll2n_append_equal.i[24197,24210] [2021-11-22 23:20:24,561 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:20:24,569 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:20:24,655 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d060c7-310f-4fe6-b0a5-a02c434ab797/sv-benchmarks/c/list-simple/sll2n_append_equal.i[24197,24210] [2021-11-22 23:20:24,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:20:24,695 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:20:24,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:24 WrapperNode [2021-11-22 23:20:24,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:20:24,697 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:20:24,697 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:20:24,697 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:20:24,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:24" (1/1) ... [2021-11-22 23:20:24,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:24" (1/1) ... [2021-11-22 23:20:24,782 INFO L137 Inliner]: procedures = 127, calls = 33, calls flagged for inlining = 8, calls inlined = 9, statements flattened = 134 [2021-11-22 23:20:24,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:20:24,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:20:24,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:20:24,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:20:24,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:24" (1/1) ... [2021-11-22 23:20:24,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:24" (1/1) ... [2021-11-22 23:20:24,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:24" (1/1) ... [2021-11-22 23:20:24,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:24" (1/1) ... [2021-11-22 23:20:24,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:24" (1/1) ... [2021-11-22 23:20:24,840 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:24" (1/1) ... [2021-11-22 23:20:24,844 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:24" (1/1) ... [2021-11-22 23:20:24,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:20:24,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:20:24,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:20:24,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:20:24,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:24" (1/1) ... [2021-11-22 23:20:24,871 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:20:24,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d060c7-310f-4fe6-b0a5-a02c434ab797/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:20:24,894 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d060c7-310f-4fe6-b0a5-a02c434ab797/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:20:24,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d060c7-310f-4fe6-b0a5-a02c434ab797/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:20:24,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:20:24,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:20:24,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 23:20:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:20:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:20:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 23:20:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 23:20:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:20:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 23:20:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:20:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:20:24,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:20:25,041 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:20:25,043 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:20:25,490 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:20:25,538 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:20:25,538 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-22 23:20:25,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:20:25 BoogieIcfgContainer [2021-11-22 23:20:25,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:20:25,542 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:20:25,543 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:20:25,553 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:20:25,553 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:20:25" (1/1) ... [2021-11-22 23:20:25,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:20:25,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:25,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 72 states and 81 transitions. [2021-11-22 23:20:25,651 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2021-11-22 23:20:25,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-22 23:20:25,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:25,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:25,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:25,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:25,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:25,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 73 states and 83 transitions. [2021-11-22 23:20:25,921 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 83 transitions. [2021-11-22 23:20:25,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-22 23:20:25,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:25,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:25,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:25,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:25,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 72 states and 82 transitions. [2021-11-22 23:20:25,988 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2021-11-22 23:20:25,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-22 23:20:25,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:25,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:26,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:26,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:26,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 71 states and 81 transitions. [2021-11-22 23:20:26,122 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 81 transitions. [2021-11-22 23:20:26,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:20:26,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:26,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:26,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:26,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:26,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:26,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 70 states and 80 transitions. [2021-11-22 23:20:26,194 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 80 transitions. [2021-11-22 23:20:26,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:20:26,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:26,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:26,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:26,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:26,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:26,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 69 states and 79 transitions. [2021-11-22 23:20:26,432 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 79 transitions. [2021-11-22 23:20:26,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:20:26,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:26,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:26,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:26,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:26,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 68 states and 78 transitions. [2021-11-22 23:20:26,514 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 78 transitions. [2021-11-22 23:20:26,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:20:26,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:26,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:26,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:26,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:26,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:26,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 67 states and 77 transitions. [2021-11-22 23:20:26,831 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 77 transitions. [2021-11-22 23:20:26,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:20:26,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:26,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:26,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:27,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:27,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 72 states and 83 transitions. [2021-11-22 23:20:27,240 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 83 transitions. [2021-11-22 23:20:27,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:20:27,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:27,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:27,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:27,312 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:20:27,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:27,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 71 states and 82 transitions. [2021-11-22 23:20:27,333 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 82 transitions. [2021-11-22 23:20:27,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:20:27,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:27,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:27,404 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:20:27,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:27,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 70 states and 81 transitions. [2021-11-22 23:20:27,465 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2021-11-22 23:20:27,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:27,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:27,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:27,545 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:20:27,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:27,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 69 states and 80 transitions. [2021-11-22 23:20:27,561 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 80 transitions. [2021-11-22 23:20:27,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:27,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:27,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:27,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:27,634 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:20:27,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:27,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 68 states and 79 transitions. [2021-11-22 23:20:27,651 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 79 transitions. [2021-11-22 23:20:27,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:20:27,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:27,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:27,999 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:29,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:29,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 83 states and 105 transitions. [2021-11-22 23:20:29,775 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 105 transitions. [2021-11-22 23:20:29,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:20:29,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:29,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:30,111 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-22 23:20:32,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:32,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 66 states and 77 transitions. [2021-11-22 23:20:32,812 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 77 transitions. [2021-11-22 23:20:32,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:20:32,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:32,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:32,838 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:20:32,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:32,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 65 states and 76 transitions. [2021-11-22 23:20:32,854 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 76 transitions. [2021-11-22 23:20:32,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:20:32,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:32,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:33,108 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:20:33,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:33,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 64 states and 75 transitions. [2021-11-22 23:20:33,632 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 75 transitions. [2021-11-22 23:20:33,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:20:33,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:33,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:33,659 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:20:33,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:33,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 63 states and 74 transitions. [2021-11-22 23:20:33,668 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 74 transitions. [2021-11-22 23:20:33,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:20:33,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:33,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:33,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:33,701 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:20:33,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:33,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 62 states and 73 transitions. [2021-11-22 23:20:33,712 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 73 transitions. [2021-11-22 23:20:33,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:20:33,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:33,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:33,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:34,461 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:20:36,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:36,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 63 states and 74 transitions. [2021-11-22 23:20:36,710 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 74 transitions. [2021-11-22 23:20:36,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:20:36,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:36,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:36,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:37,501 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:41,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:41,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 64 states and 76 transitions. [2021-11-22 23:20:41,460 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 76 transitions. [2021-11-22 23:20:41,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:20:41,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:41,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:41,898 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:20:44,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:44,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 66 states and 80 transitions. [2021-11-22 23:20:44,934 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 80 transitions. [2021-11-22 23:20:44,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:20:44,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:44,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:44,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:45,197 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:20:48,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:48,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 68 states and 82 transitions. [2021-11-22 23:20:48,346 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 82 transitions. [2021-11-22 23:20:48,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:20:48,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:48,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:48,387 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:20:48,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:48,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 67 states and 81 transitions. [2021-11-22 23:20:48,402 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 81 transitions. [2021-11-22 23:20:48,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:20:48,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:48,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:48,564 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:20:49,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:49,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 66 states and 80 transitions. [2021-11-22 23:20:49,059 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 80 transitions. [2021-11-22 23:20:49,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:20:49,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:49,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:49,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:49,083 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:20:49,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:49,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 65 states and 79 transitions. [2021-11-22 23:20:49,097 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 79 transitions. [2021-11-22 23:20:49,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:20:49,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:49,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:49,125 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:20:49,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:49,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 64 states and 78 transitions. [2021-11-22 23:20:49,139 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 78 transitions. [2021-11-22 23:20:49,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:20:49,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:49,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:50,200 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:57,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:57,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 67 states and 86 transitions. [2021-11-22 23:20:57,501 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2021-11-22 23:20:57,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:20:57,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:57,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:57,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:59,099 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:09,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:09,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 70 states and 93 transitions. [2021-11-22 23:21:09,646 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 93 transitions. [2021-11-22 23:21:09,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:21:09,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:09,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:10,470 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:21:14,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:14,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 74 states and 101 transitions. [2021-11-22 23:21:14,182 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 101 transitions. [2021-11-22 23:21:14,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:21:14,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:14,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:14,939 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:21:20,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:20,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 78 states and 109 transitions. [2021-11-22 23:21:20,156 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2021-11-22 23:21:20,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:21:20,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:20,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:20,185 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:21:23,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:23,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 81 states and 118 transitions. [2021-11-22 23:21:23,194 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 118 transitions. [2021-11-22 23:21:23,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:21:23,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:23,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:23,246 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:21:26,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:26,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 84 states and 126 transitions. [2021-11-22 23:21:26,015 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 126 transitions. [2021-11-22 23:21:26,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:21:26,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:26,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:26,911 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:21:33,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:33,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 86 states and 128 transitions. [2021-11-22 23:21:33,209 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 128 transitions. [2021-11-22 23:21:33,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:21:33,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:33,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:33,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:33,231 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:21:33,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:33,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 85 states and 127 transitions. [2021-11-22 23:21:33,244 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 127 transitions. [2021-11-22 23:21:33,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:21:33,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:33,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:34,443 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:21:36,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:36,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 86 states and 129 transitions. [2021-11-22 23:21:36,105 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 129 transitions. [2021-11-22 23:21:36,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:21:36,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:36,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:40,528 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:02,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:02,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 108 states and 175 transitions. [2021-11-22 23:22:02,290 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 175 transitions. [2021-11-22 23:22:02,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:22:02,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:02,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:03,172 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:05,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:05,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 110 states and 181 transitions. [2021-11-22 23:22:05,293 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 181 transitions. [2021-11-22 23:22:05,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:22:05,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:05,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:05,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:08,495 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:22:20,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:20,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 117 states and 201 transitions. [2021-11-22 23:22:20,410 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 201 transitions. [2021-11-22 23:22:20,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:22:20,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:20,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:22,323 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:22:33,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:33,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 124 states and 210 transitions. [2021-11-22 23:22:33,771 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 210 transitions. [2021-11-22 23:22:33,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:22:33,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:33,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:33,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:33,825 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:22:35,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:35,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 125 states and 215 transitions. [2021-11-22 23:22:35,265 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 215 transitions. [2021-11-22 23:22:35,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:22:35,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:35,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:35,303 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:22:36,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:36,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 126 states and 218 transitions. [2021-11-22 23:22:36,513 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 218 transitions. [2021-11-22 23:22:36,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:22:36,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:36,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:36,562 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:22:38,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:38,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 128 states and 222 transitions. [2021-11-22 23:22:38,944 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 222 transitions. [2021-11-22 23:22:38,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:22:38,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:38,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:38,973 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:22:41,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:41,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 130 states and 225 transitions. [2021-11-22 23:22:41,361 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 225 transitions. [2021-11-22 23:22:41,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:22:41,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:41,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:41,409 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:22:44,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:44,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 133 states and 231 transitions. [2021-11-22 23:22:44,450 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 231 transitions. [2021-11-22 23:22:44,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:22:44,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:44,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:44,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:44,478 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:22:46,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:46,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 135 states and 234 transitions. [2021-11-22 23:22:46,600 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 234 transitions. [2021-11-22 23:22:46,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:22:46,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:46,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:49,656 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:23:16,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:16,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 141 states and 252 transitions. [2021-11-22 23:23:16,598 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 252 transitions. [2021-11-22 23:23:16,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:23:16,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:16,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:16,687 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:23:19,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:19,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 144 states and 257 transitions. [2021-11-22 23:23:19,434 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 257 transitions. [2021-11-22 23:23:19,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:23:19,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:19,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:20,338 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:23:23,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:23,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 146 states and 261 transitions. [2021-11-22 23:23:23,629 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 261 transitions. [2021-11-22 23:23:23,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:23:23,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:23,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:23,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:29,393 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:23:41,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:41,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 150 states and 276 transitions. [2021-11-22 23:23:41,747 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 276 transitions. [2021-11-22 23:23:41,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:23:41,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:41,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:41,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:48,655 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:11,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:11,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 157 states and 303 transitions. [2021-11-22 23:24:11,524 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 303 transitions. [2021-11-22 23:24:11,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:24:11,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:11,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:12,399 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:17,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:17,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 159 states and 311 transitions. [2021-11-22 23:24:17,027 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 311 transitions. [2021-11-22 23:24:17,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:24:17,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:17,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:17,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:17,701 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:24:22,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:22,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 161 states and 317 transitions. [2021-11-22 23:24:22,326 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 317 transitions. [2021-11-22 23:24:22,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:24:22,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:22,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:23,139 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:28,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:28,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 163 states and 324 transitions. [2021-11-22 23:24:28,028 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 324 transitions. [2021-11-22 23:24:28,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:24:28,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:28,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:28,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:28,880 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:33,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:33,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 165 states and 332 transitions. [2021-11-22 23:24:33,265 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 332 transitions. [2021-11-22 23:24:33,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:24:33,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:33,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:33,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:33,834 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:24:38,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:38,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 167 states and 336 transitions. [2021-11-22 23:24:38,645 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 336 transitions. [2021-11-22 23:24:38,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:24:38,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:38,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:39,209 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:24:43,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:43,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 169 states and 340 transitions. [2021-11-22 23:24:43,613 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 340 transitions. [2021-11-22 23:24:43,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:24:43,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:43,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:49,940 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:25:37,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:37,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 195 states and 397 transitions. [2021-11-22 23:25:37,804 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 397 transitions. [2021-11-22 23:25:37,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:25:37,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:37,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:37,927 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:25:43,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:43,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 199 states and 403 transitions. [2021-11-22 23:25:43,547 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 403 transitions. [2021-11-22 23:25:43,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:25:43,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:43,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:45,728 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:26:00,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:00,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 203 states and 419 transitions. [2021-11-22 23:26:00,981 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 419 transitions. [2021-11-22 23:26:00,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:26:00,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:00,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:01,073 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:26:06,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:06,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 205 states and 425 transitions. [2021-11-22 23:26:06,657 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 425 transitions. [2021-11-22 23:26:06,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:26:06,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:06,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:06,751 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:26:09,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:09,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 205 states and 423 transitions. [2021-11-22 23:26:09,703 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 423 transitions. [2021-11-22 23:26:09,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:26:09,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:09,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:09,804 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:26:15,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:15,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 207 states and 427 transitions. [2021-11-22 23:26:15,665 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 427 transitions. [2021-11-22 23:26:15,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:26:15,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:15,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:15,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:22,232 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:26:50,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:50,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 216 states and 456 transitions. [2021-11-22 23:26:50,236 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 456 transitions. [2021-11-22 23:26:50,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:26:50,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:50,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:54,996 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:27:21,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:21,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 225 states and 485 transitions. [2021-11-22 23:27:21,156 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 485 transitions. [2021-11-22 23:27:21,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:27:21,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:21,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:21,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:21,255 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:27:28,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:28,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 229 states and 492 transitions. [2021-11-22 23:27:28,601 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 492 transitions. [2021-11-22 23:27:28,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:27:28,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:28,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:28,701 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:27:33,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:33,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 231 states and 495 transitions. [2021-11-22 23:27:33,558 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 495 transitions. [2021-11-22 23:27:33,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:27:33,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:33,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:33,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:34,451 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:27:42,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:42,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 235 states and 501 transitions. [2021-11-22 23:27:42,361 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 501 transitions. [2021-11-22 23:27:42,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:27:42,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:42,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:43,177 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:52,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:52,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 153 states and 266 transitions. [2021-11-22 23:27:52,800 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 266 transitions. [2021-11-22 23:27:52,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:27:52,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:52,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:58,816 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:28:19,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:19,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 160 states and 284 transitions. [2021-11-22 23:28:19,800 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 284 transitions. [2021-11-22 23:28:19,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:28:19,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:19,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:20,768 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:28:27,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:27,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 164 states and 289 transitions. [2021-11-22 23:28:27,891 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 289 transitions. [2021-11-22 23:28:27,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:28:27,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:27,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:29,063 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:28:32,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:32,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 165 states and 294 transitions. [2021-11-22 23:28:32,613 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 294 transitions. [2021-11-22 23:28:32,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:28:32,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:32,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:45,620 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:05,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:05,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 168 states and 303 transitions. [2021-11-22 23:29:05,181 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 303 transitions. [2021-11-22 23:29:05,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:29:05,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:05,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:05,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:06,403 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:16,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:16,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 171 states and 314 transitions. [2021-11-22 23:29:16,092 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 314 transitions. [2021-11-22 23:29:16,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:29:16,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:16,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:17,459 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:24,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:24,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 173 states and 318 transitions. [2021-11-22 23:29:24,460 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 318 transitions. [2021-11-22 23:29:24,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:29:24,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:24,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:33,517 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:30:01,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:01,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 179 states and 344 transitions. [2021-11-22 23:30:01,746 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 344 transitions. [2021-11-22 23:30:01,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:30:01,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:01,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:03,035 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:30:09,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:09,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 181 states and 349 transitions. [2021-11-22 23:30:09,718 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 349 transitions. [2021-11-22 23:30:09,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:30:09,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:09,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:10,954 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:30:17,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:17,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 183 states and 354 transitions. [2021-11-22 23:30:17,048 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 354 transitions. [2021-11-22 23:30:17,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:30:17,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:17,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:17,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:17,637 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:30:23,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:23,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 185 states and 355 transitions. [2021-11-22 23:30:23,757 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 355 transitions. [2021-11-22 23:30:23,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:30:23,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:23,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:23,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:24,915 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:30:31,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:31,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 187 states and 360 transitions. [2021-11-22 23:30:31,718 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 360 transitions. [2021-11-22 23:30:31,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:30:31,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:31,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:31,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:32,238 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:30:39,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:39,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 189 states and 361 transitions. [2021-11-22 23:30:39,061 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 361 transitions. [2021-11-22 23:30:39,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:30:39,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:39,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:40,237 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:47,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:47,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 191 states and 366 transitions. [2021-11-22 23:30:47,613 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 366 transitions. [2021-11-22 23:30:47,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:30:47,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:47,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:01,080 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:20,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:20,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 193 states and 372 transitions. [2021-11-22 23:31:20,223 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 372 transitions. [2021-11-22 23:31:20,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:31:20,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:20,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:20,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:21,471 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:28,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:28,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 195 states and 378 transitions. [2021-11-22 23:31:28,696 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 378 transitions. [2021-11-22 23:31:28,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:31:28,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:28,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:28,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:30,335 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:42,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:42,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 200 states and 392 transitions. [2021-11-22 23:31:42,893 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 392 transitions. [2021-11-22 23:31:42,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:31:42,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:42,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:42,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:44,291 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:47,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:47,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 201 states and 398 transitions. [2021-11-22 23:31:47,865 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 398 transitions. [2021-11-22 23:31:47,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:31:47,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:47,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:47,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:04,732 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.