./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13b060-3b28-4971-8a8f-603f743f49b8/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13b060-3b28-4971-8a8f-603f743f49b8/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13b060-3b28-4971-8a8f-603f743f49b8/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13b060-3b28-4971-8a8f-603f743f49b8/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13b060-3b28-4971-8a8f-603f743f49b8/bin/ukojak-LBtLqBUTdQ/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13b060-3b28-4971-8a8f-603f743f49b8/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 503a3e49b44041609ec1bba765b53912c88abb90ff278e61e68e863904faf4bb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:44:09,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:44:09,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:44:09,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:44:09,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:44:09,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:44:09,977 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:44:09,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:44:09,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:44:09,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:44:09,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:44:09,996 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:44:09,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:44:10,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:44:10,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:44:10,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:44:10,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:44:10,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:44:10,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:44:10,026 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:44:10,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:44:10,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:44:10,034 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:44:10,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:44:10,041 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:44:10,041 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:44:10,042 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:44:10,045 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:44:10,045 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:44:10,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:44:10,048 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:44:10,049 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:44:10,051 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:44:10,052 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:44:10,054 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:44:10,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:44:10,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:44:10,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:44:10,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:44:10,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:44:10,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:44:10,059 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13b060-3b28-4971-8a8f-603f743f49b8/bin/ukojak-LBtLqBUTdQ/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2021-11-23 01:44:10,106 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:44:10,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:44:10,109 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:44:10,109 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:44:10,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:44:10,110 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:44:10,110 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:44:10,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:44:10,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:44:10,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:44:10,112 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:44:10,112 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:44:10,113 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:44:10,113 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:44:10,113 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:44:10,114 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:44:10,114 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:44:10,114 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:44:10,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:44:10,115 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:44:10,115 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:44:10,116 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:44:10,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:44:10,116 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_6c13b060-3b28-4971-8a8f-603f743f49b8/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13b060-3b28-4971-8a8f-603f743f49b8/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 503a3e49b44041609ec1bba765b53912c88abb90ff278e61e68e863904faf4bb [2021-11-23 01:44:10,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:44:10,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:44:10,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:44:10,407 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:44:10,407 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:44:10,409 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13b060-3b28-4971-8a8f-603f743f49b8/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i [2021-11-23 01:44:10,491 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13b060-3b28-4971-8a8f-603f743f49b8/bin/ukojak-LBtLqBUTdQ/data/ed8e884f6/5b8564f5ff40463ead6625f87365605c/FLAG75f6790bb [2021-11-23 01:44:11,039 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:44:11,040 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13b060-3b28-4971-8a8f-603f743f49b8/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i [2021-11-23 01:44:11,053 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13b060-3b28-4971-8a8f-603f743f49b8/bin/ukojak-LBtLqBUTdQ/data/ed8e884f6/5b8564f5ff40463ead6625f87365605c/FLAG75f6790bb [2021-11-23 01:44:11,367 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13b060-3b28-4971-8a8f-603f743f49b8/bin/ukojak-LBtLqBUTdQ/data/ed8e884f6/5b8564f5ff40463ead6625f87365605c [2021-11-23 01:44:11,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:44:11,370 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:44:11,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:44:11,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:44:11,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:44:11,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:44:11" (1/1) ... [2021-11-23 01:44:11,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ba69117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:11, skipping insertion in model container [2021-11-23 01:44:11,392 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:44:11" (1/1) ... [2021-11-23 01:44:11,399 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:44:11,442 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:44:11,809 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_6c13b060-3b28-4971-8a8f-603f743f49b8/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22534,22547] [2021-11-23 01:44:11,814 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_6c13b060-3b28-4971-8a8f-603f743f49b8/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22606,22619] [2021-11-23 01:44:11,817 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_6c13b060-3b28-4971-8a8f-603f743f49b8/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22746,22759] [2021-11-23 01:44:11,819 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_6c13b060-3b28-4971-8a8f-603f743f49b8/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22820,22833] [2021-11-23 01:44:11,835 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:44:11,845 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:44:11,890 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_6c13b060-3b28-4971-8a8f-603f743f49b8/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22534,22547] [2021-11-23 01:44:11,894 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_6c13b060-3b28-4971-8a8f-603f743f49b8/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22606,22619] [2021-11-23 01:44:11,896 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_6c13b060-3b28-4971-8a8f-603f743f49b8/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22746,22759] [2021-11-23 01:44:11,900 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_6c13b060-3b28-4971-8a8f-603f743f49b8/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22820,22833] [2021-11-23 01:44:11,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:44:11,947 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:44:11,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:11 WrapperNode [2021-11-23 01:44:11,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:44:11,950 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:44:11,950 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:44:11,951 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:44:11,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:11" (1/1) ... [2021-11-23 01:44:11,996 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:11" (1/1) ... [2021-11-23 01:44:12,028 INFO L137 Inliner]: procedures = 119, calls = 36, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 134 [2021-11-23 01:44:12,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:44:12,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:44:12,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:44:12,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:44:12,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:11" (1/1) ... [2021-11-23 01:44:12,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:11" (1/1) ... [2021-11-23 01:44:12,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:11" (1/1) ... [2021-11-23 01:44:12,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:11" (1/1) ... [2021-11-23 01:44:12,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:11" (1/1) ... [2021-11-23 01:44:12,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:11" (1/1) ... [2021-11-23 01:44:12,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:11" (1/1) ... [2021-11-23 01:44:12,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:44:12,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:44:12,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:44:12,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:44:12,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:11" (1/1) ... [2021-11-23 01:44:12,076 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:44:12,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13b060-3b28-4971-8a8f-603f743f49b8/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:44:12,100 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13b060-3b28-4971-8a8f-603f743f49b8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:44:12,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13b060-3b28-4971-8a8f-603f743f49b8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:44:12,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:44:12,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:44:12,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:44:12,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:44:12,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:44:12,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:44:12,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:44:12,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:44:12,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:44:12,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:44:12,240 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:44:12,241 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:44:12,624 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:44:12,683 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:44:12,683 INFO L301 CfgBuilder]: Removed 11 assume(true) statements. [2021-11-23 01:44:12,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:44:12 BoogieIcfgContainer [2021-11-23 01:44:12,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:44:12,688 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:44:12,688 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:44:12,718 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:44:12,718 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:44:12" (1/1) ... [2021-11-23 01:44:12,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:44:12,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:12,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 118 states and 136 transitions. [2021-11-23 01:44:12,857 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 136 transitions. [2021-11-23 01:44:12,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-23 01:44:12,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:12,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:13,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:13,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:13,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 117 states and 135 transitions. [2021-11-23 01:44:13,121 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2021-11-23 01:44:13,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-23 01:44:13,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:13,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:13,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:13,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:13,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:13,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 116 states and 134 transitions. [2021-11-23 01:44:13,279 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 134 transitions. [2021-11-23 01:44:13,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:44:13,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:13,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:13,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:13,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:13,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 115 states and 133 transitions. [2021-11-23 01:44:13,324 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 133 transitions. [2021-11-23 01:44:13,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:44:13,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:13,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:13,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:13,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:13,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 114 states and 132 transitions. [2021-11-23 01:44:13,485 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 132 transitions. [2021-11-23 01:44:13,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:44:13,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:13,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:13,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:13,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:13,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 113 states and 131 transitions. [2021-11-23 01:44:13,597 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 131 transitions. [2021-11-23 01:44:13,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:44:13,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:13,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:13,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:13,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:13,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 112 states and 130 transitions. [2021-11-23 01:44:13,818 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 130 transitions. [2021-11-23 01:44:13,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:44:13,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:13,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:13,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:13,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:13,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 111 states and 129 transitions. [2021-11-23 01:44:13,900 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 129 transitions. [2021-11-23 01:44:13,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:44:13,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:13,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:13,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:13,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:13,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:13,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 110 states and 128 transitions. [2021-11-23 01:44:13,978 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 128 transitions. [2021-11-23 01:44:13,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:44:13,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:13,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:14,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:14,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:14,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 109 states and 126 transitions. [2021-11-23 01:44:14,112 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 126 transitions. [2021-11-23 01:44:14,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:44:14,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:14,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:14,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:14,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:14,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 112 states and 132 transitions. [2021-11-23 01:44:14,377 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 132 transitions. [2021-11-23 01:44:14,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:44:14,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:14,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:14,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:14,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:14,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 111 states and 131 transitions. [2021-11-23 01:44:14,415 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 131 transitions. [2021-11-23 01:44:14,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:44:14,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:14,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:14,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:14,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:14,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 112 states and 133 transitions. [2021-11-23 01:44:14,742 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 133 transitions. [2021-11-23 01:44:14,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:44:14,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:14,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:14,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:14,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:14,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 112 states and 129 transitions. [2021-11-23 01:44:14,766 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 129 transitions. [2021-11-23 01:44:14,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:44:14,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:14,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:14,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:15,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:15,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 116 states and 136 transitions. [2021-11-23 01:44:15,195 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 136 transitions. [2021-11-23 01:44:15,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:44:15,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:15,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:15,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:15,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:15,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:15,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 118 states and 140 transitions. [2021-11-23 01:44:15,741 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 140 transitions. [2021-11-23 01:44:15,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:44:15,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:15,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:15,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:15,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:16,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:16,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 120 states and 144 transitions. [2021-11-23 01:44:16,707 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 144 transitions. [2021-11-23 01:44:16,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:44:16,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:16,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:16,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:16,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:17,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:17,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 126 states and 155 transitions. [2021-11-23 01:44:17,269 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 155 transitions. [2021-11-23 01:44:17,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:44:17,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:17,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:17,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:17,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:17,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:17,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 132 states and 166 transitions. [2021-11-23 01:44:17,992 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 166 transitions. [2021-11-23 01:44:17,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:44:17,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:17,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:18,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:18,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:18,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 131 states and 165 transitions. [2021-11-23 01:44:18,046 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 165 transitions. [2021-11-23 01:44:18,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:44:18,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:18,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:18,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:18,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:18,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:18,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 133 states and 171 transitions. [2021-11-23 01:44:18,138 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 171 transitions. [2021-11-23 01:44:18,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:44:18,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:18,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:18,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:18,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:18,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:18,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 132 states and 170 transitions. [2021-11-23 01:44:18,183 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 170 transitions. [2021-11-23 01:44:18,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:44:18,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:18,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:18,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:18,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:18,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:18,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 133 states and 171 transitions. [2021-11-23 01:44:18,258 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 171 transitions. [2021-11-23 01:44:18,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:44:18,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:18,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:18,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:18,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:20,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:20,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 140 states and 184 transitions. [2021-11-23 01:44:20,335 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 184 transitions. [2021-11-23 01:44:20,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:44:20,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:20,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:20,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:20,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:20,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 139 states and 183 transitions. [2021-11-23 01:44:20,386 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 183 transitions. [2021-11-23 01:44:20,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:44:20,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:20,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:20,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:20,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:20,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:20,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 140 states and 184 transitions. [2021-11-23 01:44:20,474 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 184 transitions. [2021-11-23 01:44:20,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:44:20,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:20,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:20,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:20,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:20,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:20,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 139 states and 183 transitions. [2021-11-23 01:44:20,533 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 183 transitions. [2021-11-23 01:44:20,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:44:20,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:20,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:20,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:21,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:21,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 138 states and 182 transitions. [2021-11-23 01:44:21,039 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 182 transitions. [2021-11-23 01:44:21,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:44:21,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:21,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:21,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:21,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:21,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 140 states and 186 transitions. [2021-11-23 01:44:21,269 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 186 transitions. [2021-11-23 01:44:21,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:44:21,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:21,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:21,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:21,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:21,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 144 states and 193 transitions. [2021-11-23 01:44:21,557 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 193 transitions. [2021-11-23 01:44:21,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:44:21,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:21,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:21,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:22,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:22,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 146 states and 196 transitions. [2021-11-23 01:44:22,343 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 196 transitions. [2021-11-23 01:44:22,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:44:22,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:22,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:22,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:23,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:23,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 148 states and 199 transitions. [2021-11-23 01:44:23,272 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 199 transitions. [2021-11-23 01:44:23,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:44:23,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:23,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:23,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:24,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:24,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 153 states and 206 transitions. [2021-11-23 01:44:24,345 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 206 transitions. [2021-11-23 01:44:24,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:44:24,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:24,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:24,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:24,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:24,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:24,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 127 states and 161 transitions. [2021-11-23 01:44:24,418 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 161 transitions. [2021-11-23 01:44:24,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:44:24,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:24,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:24,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:24,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:24,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 126 states and 160 transitions. [2021-11-23 01:44:24,552 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 160 transitions. [2021-11-23 01:44:24,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:44:24,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:24,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:24,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:24,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:24,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:24,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 127 states and 161 transitions. [2021-11-23 01:44:24,586 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 161 transitions. [2021-11-23 01:44:24,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:44:24,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:24,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:24,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:24,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:24,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:24,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 129 states and 168 transitions. [2021-11-23 01:44:24,647 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 168 transitions. [2021-11-23 01:44:24,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:44:24,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:24,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:24,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:26,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:26,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 132 states and 174 transitions. [2021-11-23 01:44:26,231 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 174 transitions. [2021-11-23 01:44:26,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:44:26,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:26,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:26,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:27,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:27,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 137 states and 179 transitions. [2021-11-23 01:44:27,283 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 179 transitions. [2021-11-23 01:44:27,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:44:27,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:27,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:27,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:27,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:29,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:29,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 144 states and 192 transitions. [2021-11-23 01:44:29,138 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 192 transitions. [2021-11-23 01:44:29,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:44:29,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:29,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:29,540 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:32,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:32,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 155 states and 209 transitions. [2021-11-23 01:44:32,477 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 209 transitions. [2021-11-23 01:44:32,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:44:32,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:32,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:32,859 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:38,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:38,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 168 states and 236 transitions. [2021-11-23 01:44:38,413 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 236 transitions. [2021-11-23 01:44:38,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:44:38,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:38,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:38,446 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:38,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:38,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 169 states and 237 transitions. [2021-11-23 01:44:38,754 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 237 transitions. [2021-11-23 01:44:38,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:44:38,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:38,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:38,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:38,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:44:42,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:42,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 180 states and 267 transitions. [2021-11-23 01:44:42,479 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 267 transitions. [2021-11-23 01:44:42,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:44:42,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:42,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:42,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:42,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:44:47,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:47,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 191 states and 296 transitions. [2021-11-23 01:44:47,527 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 296 transitions. [2021-11-23 01:44:47,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:44:47,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:47,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:47,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:44:47,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:47,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 192 states and 297 transitions. [2021-11-23 01:44:47,859 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 297 transitions. [2021-11-23 01:44:47,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:44:47,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:47,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:47,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:44:51,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:51,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 203 states and 320 transitions. [2021-11-23 01:44:51,898 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 320 transitions. [2021-11-23 01:44:51,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:44:51,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:51,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:51,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:44:52,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:52,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 204 states and 322 transitions. [2021-11-23 01:44:52,344 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 322 transitions. [2021-11-23 01:44:52,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:44:52,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:52,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:52,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:52,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:44:52,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:52,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 205 states and 323 transitions. [2021-11-23 01:44:52,853 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 323 transitions. [2021-11-23 01:44:52,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:44:52,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:52,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:52,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:44:53,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:53,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 206 states and 325 transitions. [2021-11-23 01:44:53,464 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 325 transitions. [2021-11-23 01:44:53,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:44:53,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:53,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:53,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:54,986 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:59,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:59,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 211 states and 334 transitions. [2021-11-23 01:44:59,008 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 334 transitions. [2021-11-23 01:44:59,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:44:59,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:59,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:59,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:59,158 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:01,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:01,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 217 states and 343 transitions. [2021-11-23 01:45:01,682 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 343 transitions. [2021-11-23 01:45:01,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:01,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:01,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:01,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:45:11,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:11,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 233 states and 380 transitions. [2021-11-23 01:45:11,804 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 380 transitions. [2021-11-23 01:45:11,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:11,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:11,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:11,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:45:12,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:12,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 234 states and 383 transitions. [2021-11-23 01:45:12,315 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 383 transitions. [2021-11-23 01:45:12,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:12,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:12,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:12,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:12,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:45:12,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:12,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 235 states and 385 transitions. [2021-11-23 01:45:12,946 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 385 transitions. [2021-11-23 01:45:12,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:12,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:12,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:12,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:14,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:14,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 222 states and 364 transitions. [2021-11-23 01:45:14,260 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 364 transitions. [2021-11-23 01:45:14,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:45:14,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:14,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:14,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:14,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:45:14,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:14,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 221 states and 363 transitions. [2021-11-23 01:45:14,294 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 363 transitions. [2021-11-23 01:45:14,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:45:14,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:14,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:14,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:14,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:45:15,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:15,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 223 states and 366 transitions. [2021-11-23 01:45:15,285 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 366 transitions. [2021-11-23 01:45:15,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:45:15,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:15,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:15,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:45:15,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:15,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 222 states and 365 transitions. [2021-11-23 01:45:15,317 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 365 transitions. [2021-11-23 01:45:15,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:45:15,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:15,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:15,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:45:15,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:15,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 223 states and 366 transitions. [2021-11-23 01:45:15,374 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 366 transitions. [2021-11-23 01:45:15,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:45:15,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:15,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:15,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:15,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:45:21,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:21,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 230 states and 380 transitions. [2021-11-23 01:45:21,204 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 380 transitions. [2021-11-23 01:45:21,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:45:21,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:21,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:21,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:21,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:45:21,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:21,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 231 states and 382 transitions. [2021-11-23 01:45:21,992 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 382 transitions. [2021-11-23 01:45:21,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:45:21,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:21,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:22,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:23,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:23,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 236 states and 387 transitions. [2021-11-23 01:45:23,351 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 387 transitions. [2021-11-23 01:45:23,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:45:23,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:23,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:23,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:23,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:29,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:29,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 245 states and 399 transitions. [2021-11-23 01:45:29,216 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 399 transitions. [2021-11-23 01:45:29,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:45:29,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:29,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:29,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:29,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:45:29,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:29,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 246 states and 399 transitions. [2021-11-23 01:45:29,248 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 399 transitions. [2021-11-23 01:45:29,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:45:29,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:29,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:29,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:45:29,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:29,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 247 states and 399 transitions. [2021-11-23 01:45:29,280 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 399 transitions. [2021-11-23 01:45:29,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:45:29,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:29,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:29,303 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:30,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:30,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 245 states and 391 transitions. [2021-11-23 01:45:30,003 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 391 transitions. [2021-11-23 01:45:30,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:45:30,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:30,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:30,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:45:42,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:42,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 264 states and 428 transitions. [2021-11-23 01:45:42,958 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 428 transitions. [2021-11-23 01:45:42,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:45:42,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:42,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:42,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:45:44,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:44,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 269 states and 439 transitions. [2021-11-23 01:45:44,287 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 439 transitions. [2021-11-23 01:45:44,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:45:44,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:44,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:44,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:44,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:45:44,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:44,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 270 states and 441 transitions. [2021-11-23 01:45:44,932 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 441 transitions. [2021-11-23 01:45:44,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:45:44,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:44,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:46,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:51,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:51,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 276 states and 449 transitions. [2021-11-23 01:45:51,372 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 449 transitions. [2021-11-23 01:45:51,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:45:51,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:51,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:51,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:45:52,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:52,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 275 states and 448 transitions. [2021-11-23 01:45:52,741 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 448 transitions. [2021-11-23 01:45:52,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:45:52,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:52,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:52,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:45:52,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:52,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 274 states and 447 transitions. [2021-11-23 01:45:52,781 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 447 transitions. [2021-11-23 01:45:52,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:45:52,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:52,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:53,183 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:55,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:55,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 277 states and 451 transitions. [2021-11-23 01:45:55,223 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 451 transitions. [2021-11-23 01:45:55,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:45:55,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:55,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:55,252 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:45:57,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:57,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 279 states and 453 transitions. [2021-11-23 01:45:57,014 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 453 transitions. [2021-11-23 01:45:57,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:45:57,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:57,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:58,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:10,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:10,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 289 states and 479 transitions. [2021-11-23 01:46:10,515 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 479 transitions. [2021-11-23 01:46:10,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:46:10,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:10,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:10,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:11,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:11,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 290 states and 480 transitions. [2021-11-23 01:46:11,719 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 480 transitions. [2021-11-23 01:46:11,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:46:11,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:11,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:11,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:13,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:13,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 292 states and 488 transitions. [2021-11-23 01:46:13,469 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 488 transitions. [2021-11-23 01:46:13,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:46:13,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:13,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:15,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:28,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:28,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 307 states and 530 transitions. [2021-11-23 01:46:28,315 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 530 transitions. [2021-11-23 01:46:28,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:46:28,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:28,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:28,738 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:29,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:29,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 309 states and 536 transitions. [2021-11-23 01:46:29,826 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 536 transitions. [2021-11-23 01:46:29,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:46:29,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:29,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:29,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:31,421 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:43,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:43,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 324 states and 567 transitions. [2021-11-23 01:46:43,693 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 567 transitions. [2021-11-23 01:46:43,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:46:43,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:43,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:43,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:44,977 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:04,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:04,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 339 states and 604 transitions. [2021-11-23 01:47:04,180 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 604 transitions. [2021-11-23 01:47:04,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:47:04,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:04,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:04,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:04,240 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:06,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:06,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 341 states and 608 transitions. [2021-11-23 01:47:06,473 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 608 transitions. [2021-11-23 01:47:06,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:47:06,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:06,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:06,527 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:08,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:08,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 343 states and 617 transitions. [2021-11-23 01:47:08,982 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 617 transitions. [2021-11-23 01:47:08,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:47:08,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:08,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:08,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:16,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:16,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 351 states and 627 transitions. [2021-11-23 01:47:16,453 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 627 transitions. [2021-11-23 01:47:16,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:47:16,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:16,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:16,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:17,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:17,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 352 states and 629 transitions. [2021-11-23 01:47:17,169 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 629 transitions. [2021-11-23 01:47:17,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:47:17,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:17,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:17,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:17,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:18,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:18,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 353 states and 631 transitions. [2021-11-23 01:47:18,464 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 631 transitions. [2021-11-23 01:47:18,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:47:18,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:18,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:18,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:19,224 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:47:27,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:27,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 361 states and 648 transitions. [2021-11-23 01:47:27,794 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 648 transitions. [2021-11-23 01:47:27,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:47:27,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:27,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:30,877 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:36,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:36,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 264 states and 494 transitions. [2021-11-23 01:47:36,296 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 494 transitions. [2021-11-23 01:47:36,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:47:36,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:36,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:36,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:36,313 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:44,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:44,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 270 states and 501 transitions. [2021-11-23 01:47:44,436 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 501 transitions. [2021-11-23 01:47:44,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:47:44,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:44,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:44,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:45,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:45,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 271 states and 503 transitions. [2021-11-23 01:47:45,488 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 503 transitions. [2021-11-23 01:47:45,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:47:45,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:45,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:45,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:45,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:46,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:46,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 272 states and 505 transitions. [2021-11-23 01:47:46,721 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 505 transitions. [2021-11-23 01:47:46,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:47:46,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:46,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:46,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:46,741 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:47:52,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:52,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 279 states and 518 transitions. [2021-11-23 01:47:52,375 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 518 transitions. [2021-11-23 01:47:52,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:47:52,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:52,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:52,393 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:47:52,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:52,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 278 states and 517 transitions. [2021-11-23 01:47:52,411 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 517 transitions. [2021-11-23 01:47:52,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:47:52,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:52,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:55,025 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:57,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:57,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 279 states and 518 transitions. [2021-11-23 01:47:57,000 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 518 transitions. [2021-11-23 01:47:57,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:47:57,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:57,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:58,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:48:26,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:26,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 301 states and 550 transitions. [2021-11-23 01:48:26,882 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 550 transitions. [2021-11-23 01:48:26,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:48:26,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:26,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:29,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:49:10,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:10,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 326 states and 596 transitions. [2021-11-23 01:49:10,112 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 596 transitions. [2021-11-23 01:49:10,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:49:10,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:10,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:10,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:10,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:49:12,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:12,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 328 states and 600 transitions. [2021-11-23 01:49:12,844 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 600 transitions. [2021-11-23 01:49:12,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:49:12,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:12,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:12,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:16,010 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:44,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:44,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 346 states and 640 transitions. [2021-11-23 01:49:44,352 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 640 transitions. [2021-11-23 01:49:44,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:49:44,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:44,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:51,864 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:21,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:21,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 361 states and 671 transitions. [2021-11-23 01:50:21,870 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 671 transitions. [2021-11-23 01:50:21,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:50:21,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:21,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:25,302 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:38,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:38,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 368 states and 685 transitions. [2021-11-23 01:50:38,746 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 685 transitions. [2021-11-23 01:50:38,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:50:38,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:38,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:39,930 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:56,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:56,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 380 states and 709 transitions. [2021-11-23 01:50:56,011 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 709 transitions. [2021-11-23 01:50:56,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:50:56,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:56,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:59,603 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:10,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:10,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 385 states and 714 transitions. [2021-11-23 01:51:10,305 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 714 transitions. [2021-11-23 01:51:10,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:51:10,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:10,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:10,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:10,324 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:51:20,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:20,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 392 states and 729 transitions. [2021-11-23 01:51:20,826 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 729 transitions. [2021-11-23 01:51:20,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:51:20,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:20,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:20,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:20,842 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:51:23,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:23,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 394 states and 737 transitions. [2021-11-23 01:51:23,381 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 737 transitions. [2021-11-23 01:51:23,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:51:23,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:23,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:24,678 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:51:39,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:39,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 398 states and 755 transitions. [2021-11-23 01:51:39,563 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 755 transitions. [2021-11-23 01:51:39,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:51:39,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:39,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:39,608 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:51:44,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:44,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 401 states and 762 transitions. [2021-11-23 01:51:44,979 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 762 transitions. [2021-11-23 01:51:44,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:51:44,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:44,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:44,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:45,008 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:51:50,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:50,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 404 states and 766 transitions. [2021-11-23 01:51:50,143 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 766 transitions. [2021-11-23 01:51:50,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:51:50,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:50,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:50,171 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:52:05,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:05,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 414 states and 783 transitions. [2021-11-23 01:52:05,963 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 783 transitions. [2021-11-23 01:52:05,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:52:05,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:05,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:05,982 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:52:11,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:11,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 417 states and 788 transitions. [2021-11-23 01:52:11,960 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 788 transitions. [2021-11-23 01:52:11,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:52:11,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:11,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:11,981 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:52:18,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:18,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 422 states and 793 transitions. [2021-11-23 01:52:18,447 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 793 transitions. [2021-11-23 01:52:18,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:52:18,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:18,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:18,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:20,685 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:52:29,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:29,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 426 states and 810 transitions. [2021-11-23 01:52:29,513 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 810 transitions. [2021-11-23 01:52:29,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:52:29,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:29,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:29,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:30,971 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:52:35,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:35,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 431 states and 820 transitions. [2021-11-23 01:52:35,779 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 820 transitions. [2021-11-23 01:52:35,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:52:35,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:35,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:40,910 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:52:49,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:49,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 433 states and 821 transitions. [2021-11-23 01:52:49,424 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 821 transitions. [2021-11-23 01:52:49,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:52:49,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:49,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:49,456 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:53:03,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:03,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 437 states and 831 transitions. [2021-11-23 01:53:03,137 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 831 transitions. [2021-11-23 01:53:03,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:53:03,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:03,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:03,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:03,172 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:53:09,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:09,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 440 states and 836 transitions. [2021-11-23 01:53:09,145 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 836 transitions. [2021-11-23 01:53:09,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:53:09,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:09,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:16,383 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:53:56,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:56,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 455 states and 874 transitions. [2021-11-23 01:53:56,034 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 874 transitions. [2021-11-23 01:53:56,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:53:56,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:56,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:02,387 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:54:37,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:37,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 470 states and 908 transitions. [2021-11-23 01:54:37,248 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 908 transitions. [2021-11-23 01:54:37,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:54:37,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:37,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:51,508 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:55:33,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:33,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 483 states and 937 transitions. [2021-11-23 01:55:33,344 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 937 transitions. [2021-11-23 01:55:33,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:55:33,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:33,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:35,209 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.