./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/sll2n_insert_equal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a4b7e6-f93f-44e6-9650-30226d2813c8/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a4b7e6-f93f-44e6-9650-30226d2813c8/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a4b7e6-f93f-44e6-9650-30226d2813c8/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a4b7e6-f93f-44e6-9650-30226d2813c8/bin/ukojak-vF6T2TMglN/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2n_insert_equal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a4b7e6-f93f-44e6-9650-30226d2813c8/bin/ukojak-vF6T2TMglN/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a4b7e6-f93f-44e6-9650-30226d2813c8/bin/ukojak-vF6T2TMglN --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 43bf83586090da08f52ccb7b612d2451c8f1efe9c820d873134ac51350c022e3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:21:15,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:21:15,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:21:15,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:21:15,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:21:15,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:21:15,907 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:21:15,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:21:15,911 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:21:15,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:21:15,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:21:15,915 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:21:15,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:21:15,922 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:21:15,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:21:15,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:21:15,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:21:15,930 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:21:15,934 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:21:15,940 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:21:15,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:21:15,944 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:21:15,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:21:15,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:21:15,954 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:21:15,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:21:15,955 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:21:15,962 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:21:15,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:21:15,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:21:15,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:21:15,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:21:15,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:21:15,970 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:21:15,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:21:15,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:21:15,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:21:15,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:21:15,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:21:15,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:21:15,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:21:15,976 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a4b7e6-f93f-44e6-9650-30226d2813c8/bin/ukojak-vF6T2TMglN/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-21 05:21:16,020 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:21:16,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:21:16,022 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:21:16,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:21:16,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:21:16,022 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 05:21:16,023 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 05:21:16,023 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:21:16,023 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 05:21:16,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:21:16,023 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-21 05:21:16,023 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-21 05:21:16,024 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-21 05:21:16,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:21:16,024 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 05:21:16,024 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:21:16,024 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:21:16,025 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:21:16,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:21:16,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:21:16,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:21:16,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:21:16,026 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:21:16,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:21:16,026 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_e7a4b7e6-f93f-44e6-9650-30226d2813c8/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a4b7e6-f93f-44e6-9650-30226d2813c8/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43bf83586090da08f52ccb7b612d2451c8f1efe9c820d873134ac51350c022e3 [2021-11-21 05:21:16,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:21:16,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:21:16,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:21:16,322 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:21:16,323 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:21:16,325 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a4b7e6-f93f-44e6-9650-30226d2813c8/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/list-simple/sll2n_insert_equal.i [2021-11-21 05:21:16,405 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a4b7e6-f93f-44e6-9650-30226d2813c8/bin/ukojak-vF6T2TMglN/data/f88982e36/e93fa4f2863d4000986a5f55d07ca2e6/FLAG3af241677 [2021-11-21 05:21:16,905 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:21:16,905 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a4b7e6-f93f-44e6-9650-30226d2813c8/sv-benchmarks/c/list-simple/sll2n_insert_equal.i [2021-11-21 05:21:16,923 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a4b7e6-f93f-44e6-9650-30226d2813c8/bin/ukojak-vF6T2TMglN/data/f88982e36/e93fa4f2863d4000986a5f55d07ca2e6/FLAG3af241677 [2021-11-21 05:21:17,236 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a4b7e6-f93f-44e6-9650-30226d2813c8/bin/ukojak-vF6T2TMglN/data/f88982e36/e93fa4f2863d4000986a5f55d07ca2e6 [2021-11-21 05:21:17,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:21:17,240 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:21:17,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:21:17,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:21:17,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:21:17,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:21:17" (1/1) ... [2021-11-21 05:21:17,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@132f435a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:21:17, skipping insertion in model container [2021-11-21 05:21:17,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:21:17" (1/1) ... [2021-11-21 05:21:17,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:21:17,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:21:17,691 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_e7a4b7e6-f93f-44e6-9650-30226d2813c8/sv-benchmarks/c/list-simple/sll2n_insert_equal.i[24301,24314] [2021-11-21 05:21:17,698 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:21:17,715 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:21:17,767 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_e7a4b7e6-f93f-44e6-9650-30226d2813c8/sv-benchmarks/c/list-simple/sll2n_insert_equal.i[24301,24314] [2021-11-21 05:21:17,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:21:17,798 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:21:17,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:21:17 WrapperNode [2021-11-21 05:21:17,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:21:17,800 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:21:17,800 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:21:17,800 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:21:17,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:21:17" (1/1) ... [2021-11-21 05:21:17,823 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:21:17" (1/1) ... [2021-11-21 05:21:17,850 INFO L137 Inliner]: procedures = 127, calls = 32, calls flagged for inlining = 8, calls inlined = 9, statements flattened = 135 [2021-11-21 05:21:17,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:21:17,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:21:17,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:21:17,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:21:17,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:21:17" (1/1) ... [2021-11-21 05:21:17,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:21:17" (1/1) ... [2021-11-21 05:21:17,876 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:21:17" (1/1) ... [2021-11-21 05:21:17,877 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:21:17" (1/1) ... [2021-11-21 05:21:17,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:21:17" (1/1) ... [2021-11-21 05:21:17,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:21:17" (1/1) ... [2021-11-21 05:21:17,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:21:17" (1/1) ... [2021-11-21 05:21:17,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:21:17,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:21:17,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:21:17,932 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:21:17,933 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:21:17" (1/1) ... [2021-11-21 05:21:17,942 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:21:17,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a4b7e6-f93f-44e6-9650-30226d2813c8/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:21:17,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a4b7e6-f93f-44e6-9650-30226d2813c8/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:21:17,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a4b7e6-f93f-44e6-9650-30226d2813c8/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:21:18,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 05:21:18,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 05:21:18,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 05:21:18,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 05:21:18,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 05:21:18,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 05:21:18,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 05:21:18,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 05:21:18,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 05:21:18,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 05:21:18,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:21:18,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:21:18,198 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:21:18,210 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:21:18,510 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:21:18,584 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:21:18,584 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-21 05:21:18,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:21:18 BoogieIcfgContainer [2021-11-21 05:21:18,587 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:21:18,588 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:21:18,588 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:21:18,598 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:21:18,599 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:21:18" (1/1) ... [2021-11-21 05:21:18,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:21:18,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:18,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2021-11-21 05:21:18,668 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2021-11-21 05:21:18,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:21:18,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:18,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:18,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:18,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:18,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:18,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 69 states and 78 transitions. [2021-11-21 05:21:18,904 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 78 transitions. [2021-11-21 05:21:18,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:21:18,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:18,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:18,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:18,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:19,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:19,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 68 states and 77 transitions. [2021-11-21 05:21:19,016 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 77 transitions. [2021-11-21 05:21:19,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:21:19,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:19,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:19,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:19,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:19,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 67 states and 76 transitions. [2021-11-21 05:21:19,241 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 76 transitions. [2021-11-21 05:21:19,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 05:21:19,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:19,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:19,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:19,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:19,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 66 states and 75 transitions. [2021-11-21 05:21:19,292 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 75 transitions. [2021-11-21 05:21:19,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 05:21:19,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:19,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:19,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:19,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:19,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 65 states and 74 transitions. [2021-11-21 05:21:19,505 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 74 transitions. [2021-11-21 05:21:19,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 05:21:19,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:19,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:19,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:19,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:19,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 64 states and 73 transitions. [2021-11-21 05:21:19,629 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 73 transitions. [2021-11-21 05:21:19,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 05:21:19,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:19,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:19,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:19,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:19,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 63 states and 72 transitions. [2021-11-21 05:21:19,899 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2021-11-21 05:21:19,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:21:19,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:19,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:19,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:19,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:21:20,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:20,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 68 states and 79 transitions. [2021-11-21 05:21:20,380 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 79 transitions. [2021-11-21 05:21:20,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 05:21:20,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:20,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:20,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:20,425 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 05:21:20,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:20,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 67 states and 78 transitions. [2021-11-21 05:21:20,446 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 78 transitions. [2021-11-21 05:21:20,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 05:21:20,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:20,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:20,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:20,481 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 05:21:20,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:20,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 66 states and 77 transitions. [2021-11-21 05:21:20,547 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 77 transitions. [2021-11-21 05:21:20,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 05:21:20,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:20,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:20,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:20,580 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 05:21:20,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:20,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 65 states and 76 transitions. [2021-11-21 05:21:20,595 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 76 transitions. [2021-11-21 05:21:20,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 05:21:20,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:20,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:20,633 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 05:21:20,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:20,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 64 states and 75 transitions. [2021-11-21 05:21:20,647 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 75 transitions. [2021-11-21 05:21:20,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:21:20,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:20,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:20,998 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:21:22,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:22,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 79 states and 102 transitions. [2021-11-21 05:21:22,885 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 102 transitions. [2021-11-21 05:21:22,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:21:22,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:22,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:23,246 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 05:21:26,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:26,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 62 states and 73 transitions. [2021-11-21 05:21:26,424 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 73 transitions. [2021-11-21 05:21:26,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:26,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:26,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:27,045 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:21:29,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:29,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 64 states and 77 transitions. [2021-11-21 05:21:29,047 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 77 transitions. [2021-11-21 05:21:29,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:21:29,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:29,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:29,794 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:21:33,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:33,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 66 states and 83 transitions. [2021-11-21 05:21:33,042 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2021-11-21 05:21:33,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 05:21:33,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:33,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:33,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:33,068 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 05:21:33,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:33,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 69 states and 92 transitions. [2021-11-21 05:21:33,420 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 92 transitions. [2021-11-21 05:21:33,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 05:21:33,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:33,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:33,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:33,561 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 05:21:34,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:34,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 72 states and 100 transitions. [2021-11-21 05:21:34,365 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2021-11-21 05:21:34,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 05:21:34,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:34,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:34,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:34,532 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 05:21:35,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:35,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 74 states and 106 transitions. [2021-11-21 05:21:35,915 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 106 transitions. [2021-11-21 05:21:35,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:21:35,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:35,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:36,249 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 05:21:42,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:42,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 77 states and 118 transitions. [2021-11-21 05:21:42,323 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 118 transitions. [2021-11-21 05:21:42,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:21:42,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:42,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:42,507 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 05:21:44,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:44,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 81 states and 129 transitions. [2021-11-21 05:21:44,907 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 129 transitions. [2021-11-21 05:21:44,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:21:44,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:44,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:44,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:44,985 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 05:21:45,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:45,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 82 states and 130 transitions. [2021-11-21 05:21:45,444 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 130 transitions. [2021-11-21 05:21:45,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:21:45,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:45,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:45,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:45,611 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 05:21:48,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:48,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 83 states and 131 transitions. [2021-11-21 05:21:48,406 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 131 transitions. [2021-11-21 05:21:48,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:21:48,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:48,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:48,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:48,431 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 05:21:48,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:48,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 84 states and 133 transitions. [2021-11-21 05:21:48,954 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 133 transitions. [2021-11-21 05:21:48,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:21:48,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:48,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:48,981 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 05:21:49,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:49,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 85 states and 135 transitions. [2021-11-21 05:21:49,524 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 135 transitions. [2021-11-21 05:21:49,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:21:49,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:49,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:49,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:49,552 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 05:21:50,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:50,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 86 states and 136 transitions. [2021-11-21 05:21:50,115 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 136 transitions. [2021-11-21 05:21:50,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:21:50,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:50,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:50,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:50,151 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 05:21:50,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:50,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 87 states and 137 transitions. [2021-11-21 05:21:50,638 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 137 transitions. [2021-11-21 05:21:50,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:21:50,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:50,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:50,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:50,665 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 05:21:51,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:51,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 88 states and 138 transitions. [2021-11-21 05:21:51,153 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 138 transitions. [2021-11-21 05:21:51,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:21:51,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:51,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:52,741 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:21:55,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:55,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 91 states and 150 transitions. [2021-11-21 05:21:55,886 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 150 transitions. [2021-11-21 05:21:55,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:21:55,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:55,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:55,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:55,914 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 05:21:56,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:56,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 92 states and 151 transitions. [2021-11-21 05:21:56,524 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 151 transitions. [2021-11-21 05:21:56,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:21:56,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:56,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:56,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:56,741 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:21:57,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:57,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 93 states and 154 transitions. [2021-11-21 05:21:57,381 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 154 transitions. [2021-11-21 05:21:57,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:21:57,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:57,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:57,805 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 05:22:00,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:00,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 96 states and 163 transitions. [2021-11-21 05:22:00,869 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 163 transitions. [2021-11-21 05:22:00,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:22:00,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:00,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:00,895 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 05:22:01,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:01,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 97 states and 166 transitions. [2021-11-21 05:22:01,522 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 166 transitions. [2021-11-21 05:22:01,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:22:01,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:01,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:01,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:01,548 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 05:22:02,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:02,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 98 states and 171 transitions. [2021-11-21 05:22:02,373 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 171 transitions. [2021-11-21 05:22:02,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:22:02,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:02,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:02,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:02,647 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:22:03,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:03,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 99 states and 175 transitions. [2021-11-21 05:22:03,445 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 175 transitions. [2021-11-21 05:22:03,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:22:03,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:03,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:03,670 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 05:22:09,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:09,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 105 states and 200 transitions. [2021-11-21 05:22:09,405 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 200 transitions. [2021-11-21 05:22:09,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:22:09,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:09,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:09,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:09,437 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 05:22:10,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:10,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 106 states and 203 transitions. [2021-11-21 05:22:10,250 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 203 transitions. [2021-11-21 05:22:10,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:22:10,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:10,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:10,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:10,296 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 05:22:11,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:11,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 108 states and 211 transitions. [2021-11-21 05:22:11,952 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 211 transitions. [2021-11-21 05:22:11,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:22:11,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:11,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:11,987 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 05:22:12,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:12,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 109 states and 214 transitions. [2021-11-21 05:22:12,876 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 214 transitions. [2021-11-21 05:22:12,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:22:12,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:12,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:12,900 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 05:22:15,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:15,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 112 states and 222 transitions. [2021-11-21 05:22:15,123 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 222 transitions. [2021-11-21 05:22:15,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:22:15,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:15,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:15,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:15,153 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 05:22:16,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:16,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 114 states and 226 transitions. [2021-11-21 05:22:16,705 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 226 transitions. [2021-11-21 05:22:16,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:22:16,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:16,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:16,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:16,732 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 05:22:17,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:17,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 67 states and 82 transitions. [2021-11-21 05:22:17,573 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 82 transitions. [2021-11-21 05:22:17,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:22:17,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:17,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:17,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:17,597 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 05:22:18,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:18,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 63 states and 77 transitions. [2021-11-21 05:22:18,505 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2021-11-21 05:22:18,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:22:18,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:18,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:18,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:18,547 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 05:22:19,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:19,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 59 states and 72 transitions. [2021-11-21 05:22:19,471 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 72 transitions. [2021-11-21 05:22:19,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 05:22:19,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:19,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:19,933 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 05:22:27,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:27,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2021-11-21 05:22:27,435 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2021-11-21 05:22:27,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 05:22:27,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:27,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:28,310 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 05:22:37,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:37,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 67 states and 88 transitions. [2021-11-21 05:22:37,568 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2021-11-21 05:22:37,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 05:22:37,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:37,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:37,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:37,947 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 05:22:40,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:40,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 69 states and 91 transitions. [2021-11-21 05:22:40,159 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 91 transitions. [2021-11-21 05:22:40,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 05:22:40,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:40,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:40,184 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 05:22:42,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:42,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 71 states and 94 transitions. [2021-11-21 05:22:42,150 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 94 transitions. [2021-11-21 05:22:42,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 05:22:42,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:42,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:42,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:42,206 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 05:22:45,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:45,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 73 states and 97 transitions. [2021-11-21 05:22:45,200 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 97 transitions. [2021-11-21 05:22:45,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 05:22:45,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:45,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:45,229 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 05:22:46,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:46,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 73 states and 96 transitions. [2021-11-21 05:22:46,507 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2021-11-21 05:22:46,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 05:22:46,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:46,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:46,550 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 05:22:47,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:47,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 69 states and 86 transitions. [2021-11-21 05:22:47,604 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2021-11-21 05:22:47,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 05:22:47,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:47,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:47,654 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 05:22:49,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:49,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 67 states and 82 transitions. [2021-11-21 05:22:49,052 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 82 transitions. [2021-11-21 05:22:49,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 05:22:49,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:49,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:49,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:49,076 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 05:22:52,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:52,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 62 states and 75 transitions. [2021-11-21 05:22:52,074 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 75 transitions. [2021-11-21 05:22:52,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 05:22:52,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:52,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:52,115 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 05:22:53,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:53,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 57 states and 70 transitions. [2021-11-21 05:22:53,413 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 70 transitions. [2021-11-21 05:22:53,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 05:22:53,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:53,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:55,902 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:23:07,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:07,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 56 states and 66 transitions. [2021-11-21 05:23:07,631 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 66 transitions. [2021-11-21 05:23:07,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 05:23:07,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:07,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:11,749 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:23:25,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:25,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 62 states and 78 transitions. [2021-11-21 05:23:25,145 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2021-11-21 05:23:25,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 05:23:25,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:25,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:30,216 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:23:50,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:50,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 68 states and 90 transitions. [2021-11-21 05:23:50,133 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 90 transitions. [2021-11-21 05:23:50,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 05:23:50,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:50,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:50,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:50,545 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:23:52,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:52,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 68 states and 89 transitions. [2021-11-21 05:23:52,139 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 89 transitions. [2021-11-21 05:23:52,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 05:23:52,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:52,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:52,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:52,496 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:23:54,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:54,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 66 states and 84 transitions. [2021-11-21 05:23:54,165 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2021-11-21 05:23:54,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 05:23:54,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:54,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:54,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:54,686 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:23:56,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:56,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 62 states and 77 transitions. [2021-11-21 05:23:56,724 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 77 transitions. [2021-11-21 05:23:56,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 05:23:56,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:56,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:56,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:57,341 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:23:59,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:59,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 62 states and 76 transitions. [2021-11-21 05:23:59,256 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 76 transitions. [2021-11-21 05:23:59,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 05:23:59,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:59,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:59,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:59,905 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:24:01,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:01,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 58 states and 71 transitions. [2021-11-21 05:24:01,679 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 71 transitions. [2021-11-21 05:24:01,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:24:01,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:01,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:06,765 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:24:24,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:24,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 63 states and 78 transitions. [2021-11-21 05:24:24,722 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 78 transitions. [2021-11-21 05:24:24,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:24:24,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:24,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:24,743 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 05:24:24,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:24,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 62 states and 77 transitions. [2021-11-21 05:24:24,758 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 77 transitions. [2021-11-21 05:24:24,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:24:24,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:24,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:25,393 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:24:27,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:27,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 62 states and 76 transitions. [2021-11-21 05:24:27,331 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 76 transitions. [2021-11-21 05:24:27,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:24:27,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:27,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:30,957 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:24:34,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:34,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 63 states and 78 transitions. [2021-11-21 05:24:34,882 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 78 transitions. [2021-11-21 05:24:34,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:24:34,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:34,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:35,549 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:24:37,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:37,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 59 states and 72 transitions. [2021-11-21 05:24:37,747 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 72 transitions. [2021-11-21 05:24:37,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 05:24:37,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:37,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:44,528 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:25:26,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:26,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 85 states and 114 transitions. [2021-11-21 05:25:26,304 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 114 transitions. [2021-11-21 05:25:26,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 05:25:26,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:26,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:26,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:27,065 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:25:29,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:29,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 86 states and 114 transitions. [2021-11-21 05:25:29,686 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 114 transitions. [2021-11-21 05:25:29,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 05:25:29,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:29,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:29,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:30,586 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:25:33,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:33,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 87 states and 114 transitions. [2021-11-21 05:25:33,090 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 114 transitions. [2021-11-21 05:25:33,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 05:25:33,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:33,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:39,515 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:25:56,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:56,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 93 states and 125 transitions. [2021-11-21 05:25:56,442 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 125 transitions. [2021-11-21 05:25:56,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 05:25:56,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:56,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:05,553 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:26:41,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:41,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 99 states and 136 transitions. [2021-11-21 05:26:41,311 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 136 transitions. [2021-11-21 05:26:41,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:26:41,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:41,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:48,622 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:27:29,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:27:29,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 107 states and 150 transitions. [2021-11-21 05:27:29,761 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 150 transitions. [2021-11-21 05:27:29,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:27:29,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:27:29,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:27:29,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:27:30,640 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:27:33,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:27:33,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 107 states and 149 transitions. [2021-11-21 05:27:33,545 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 149 transitions. [2021-11-21 05:27:33,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:27:33,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:27:33,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:27:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:27:34,649 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:27:37,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:27:37,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 105 states and 146 transitions. [2021-11-21 05:27:37,817 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 146 transitions. [2021-11-21 05:27:37,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:27:37,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:27:37,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:27:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:27:47,276 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:28:33,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:28:33,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 113 states and 161 transitions. [2021-11-21 05:28:33,352 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 161 transitions. [2021-11-21 05:28:33,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:28:33,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:28:33,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:28:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:28:35,522 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:28:38,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:28:38,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 113 states and 160 transitions. [2021-11-21 05:28:38,841 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 160 transitions. [2021-11-21 05:28:38,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:28:38,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:28:38,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:28:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:28:40,921 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:28:44,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:28:44,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 111 states and 157 transitions. [2021-11-21 05:28:44,491 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 157 transitions. [2021-11-21 05:28:44,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 05:28:44,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:28:44,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:28:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:28:58,674 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:01,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:01,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 116 states and 166 transitions. [2021-11-21 05:30:01,529 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 166 transitions. [2021-11-21 05:30:01,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 05:30:01,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:01,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:02,498 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:30:11,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:11,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 81 states and 102 transitions. [2021-11-21 05:30:11,329 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 102 transitions. [2021-11-21 05:30:11,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 05:30:11,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:11,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:27,831 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:46,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:46,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 84 states and 106 transitions. [2021-11-21 05:31:46,952 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 106 transitions. [2021-11-21 05:31:46,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 05:31:46,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:46,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:03,320 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.