./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a127df9-0a42-4e57-8c8c-17ae6fb24673/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a127df9-0a42-4e57-8c8c-17ae6fb24673/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_1a127df9-0a42-4e57-8c8c-17ae6fb24673/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a127df9-0a42-4e57-8c8c-17ae6fb24673/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a127df9-0a42-4e57-8c8c-17ae6fb24673/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a127df9-0a42-4e57-8c8c-17ae6fb24673/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2bd23b8476745cc5eeb44766af6c01d42c768ef8188ecd9b3f71230eca21db6b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:21:29,889 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:21:29,892 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:21:29,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:21:29,955 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:21:29,961 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:21:29,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:21:29,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:21:29,972 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:21:29,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:21:29,981 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:21:29,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:21:29,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:21:29,988 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:21:29,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:21:29,997 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:21:29,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:21:30,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:21:30,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:21:30,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:21:30,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:21:30,019 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:21:30,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:21:30,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:21:30,037 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:21:30,038 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:21:30,038 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:21:30,041 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:21:30,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:21:30,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:21:30,045 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:21:30,046 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:21:30,048 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:21:30,050 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:21:30,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:21:30,053 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:21:30,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:21:30,054 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:21:30,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:21:30,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:21:30,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:21:30,058 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a127df9-0a42-4e57-8c8c-17ae6fb24673/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-22 23:21:30,111 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:21:30,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:21:30,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:21:30,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:21:30,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:21:30,115 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:21:30,115 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 23:21:30,116 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:21:30,116 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:21:30,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:21:30,117 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-22 23:21:30,118 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-22 23:21:30,118 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-22 23:21:30,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:21:30,118 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:21:30,119 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:21:30,119 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:21:30,119 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:21:30,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:21:30,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:21:30,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:21:30,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:21:30,121 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:21:30,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:21:30,121 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_1a127df9-0a42-4e57-8c8c-17ae6fb24673/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a127df9-0a42-4e57-8c8c-17ae6fb24673/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bd23b8476745cc5eeb44766af6c01d42c768ef8188ecd9b3f71230eca21db6b [2021-11-22 23:21:30,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:21:30,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:21:30,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:21:30,555 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:21:30,556 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:21:30,557 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a127df9-0a42-4e57-8c8c-17ae6fb24673/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i [2021-11-22 23:21:30,664 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a127df9-0a42-4e57-8c8c-17ae6fb24673/bin/ukojak-LBtLqBUTdQ/data/1581e3394/e5aa142d5f4d4335b8ca16bfb5bd6c89/FLAGd3e19d2d6 [2021-11-22 23:21:31,406 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:21:31,407 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a127df9-0a42-4e57-8c8c-17ae6fb24673/sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i [2021-11-22 23:21:31,444 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a127df9-0a42-4e57-8c8c-17ae6fb24673/bin/ukojak-LBtLqBUTdQ/data/1581e3394/e5aa142d5f4d4335b8ca16bfb5bd6c89/FLAGd3e19d2d6 [2021-11-22 23:21:31,671 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a127df9-0a42-4e57-8c8c-17ae6fb24673/bin/ukojak-LBtLqBUTdQ/data/1581e3394/e5aa142d5f4d4335b8ca16bfb5bd6c89 [2021-11-22 23:21:31,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:21:31,675 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:21:31,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:21:31,679 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:21:31,682 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:21:31,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:21:31" (1/1) ... [2021-11-22 23:21:31,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55932aab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:31, skipping insertion in model container [2021-11-22 23:21:31,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:21:31" (1/1) ... [2021-11-22 23:21:31,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:21:31,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:21:32,214 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_1a127df9-0a42-4e57-8c8c-17ae6fb24673/sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i[22673,22686] [2021-11-22 23:21:32,222 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_1a127df9-0a42-4e57-8c8c-17ae6fb24673/sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i[22743,22756] [2021-11-22 23:21:32,224 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_1a127df9-0a42-4e57-8c8c-17ae6fb24673/sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i[22807,22820] [2021-11-22 23:21:32,228 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_1a127df9-0a42-4e57-8c8c-17ae6fb24673/sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i[22902,22915] [2021-11-22 23:21:32,230 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_1a127df9-0a42-4e57-8c8c-17ae6fb24673/sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i[22974,22987] [2021-11-22 23:21:32,233 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_1a127df9-0a42-4e57-8c8c-17ae6fb24673/sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i[23113,23126] [2021-11-22 23:21:32,234 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_1a127df9-0a42-4e57-8c8c-17ae6fb24673/sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i[23187,23200] [2021-11-22 23:21:32,252 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:21:32,268 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:21:32,336 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_1a127df9-0a42-4e57-8c8c-17ae6fb24673/sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i[22673,22686] [2021-11-22 23:21:32,341 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_1a127df9-0a42-4e57-8c8c-17ae6fb24673/sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i[22743,22756] [2021-11-22 23:21:32,342 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_1a127df9-0a42-4e57-8c8c-17ae6fb24673/sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i[22807,22820] [2021-11-22 23:21:32,345 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_1a127df9-0a42-4e57-8c8c-17ae6fb24673/sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i[22902,22915] [2021-11-22 23:21:32,351 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_1a127df9-0a42-4e57-8c8c-17ae6fb24673/sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i[22974,22987] [2021-11-22 23:21:32,354 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_1a127df9-0a42-4e57-8c8c-17ae6fb24673/sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i[23113,23126] [2021-11-22 23:21:32,359 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_1a127df9-0a42-4e57-8c8c-17ae6fb24673/sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i[23187,23200] [2021-11-22 23:21:32,364 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:21:32,404 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:21:32,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:32 WrapperNode [2021-11-22 23:21:32,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:21:32,406 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:21:32,406 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:21:32,407 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:21:32,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:32" (1/1) ... [2021-11-22 23:21:32,434 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:32" (1/1) ... [2021-11-22 23:21:32,471 INFO L137 Inliner]: procedures = 119, calls = 44, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 169 [2021-11-22 23:21:32,477 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:21:32,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:21:32,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:21:32,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:21:32,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:32" (1/1) ... [2021-11-22 23:21:32,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:32" (1/1) ... [2021-11-22 23:21:32,519 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:32" (1/1) ... [2021-11-22 23:21:32,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:32" (1/1) ... [2021-11-22 23:21:32,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:32" (1/1) ... [2021-11-22 23:21:32,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:32" (1/1) ... [2021-11-22 23:21:32,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:32" (1/1) ... [2021-11-22 23:21:32,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:21:32,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:21:32,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:21:32,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:21:32,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:32" (1/1) ... [2021-11-22 23:21:32,591 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:21:32,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a127df9-0a42-4e57-8c8c-17ae6fb24673/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:21:32,629 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a127df9-0a42-4e57-8c8c-17ae6fb24673/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:21:32,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a127df9-0a42-4e57-8c8c-17ae6fb24673/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:21:32,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:21:32,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:21:32,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 23:21:32,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:21:32,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 23:21:32,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 23:21:32,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:21:32,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:21:32,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:21:32,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:21:32,854 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:21:32,856 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:21:33,406 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:21:33,480 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:21:33,480 INFO L301 CfgBuilder]: Removed 17 assume(true) statements. [2021-11-22 23:21:33,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:21:33 BoogieIcfgContainer [2021-11-22 23:21:33,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:21:33,489 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:21:33,489 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:21:33,499 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:21:33,500 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:21:33" (1/1) ... [2021-11-22 23:21:33,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:21:33,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:33,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 154 states and 181 transitions. [2021-11-22 23:21:33,610 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 181 transitions. [2021-11-22 23:21:33,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-22 23:21:33,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:33,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:33,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:33,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:33,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:33,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 153 states and 180 transitions. [2021-11-22 23:21:33,876 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 180 transitions. [2021-11-22 23:21:33,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-22 23:21:33,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:33,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:33,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:34,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:34,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 152 states and 179 transitions. [2021-11-22 23:21:34,104 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 179 transitions. [2021-11-22 23:21:34,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-22 23:21:34,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:34,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:34,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:34,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:34,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:34,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 151 states and 178 transitions. [2021-11-22 23:21:34,176 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 178 transitions. [2021-11-22 23:21:34,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-22 23:21:34,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:34,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:34,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:34,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:34,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 150 states and 177 transitions. [2021-11-22 23:21:34,251 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 177 transitions. [2021-11-22 23:21:34,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-22 23:21:34,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:34,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:34,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:34,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:34,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 149 states and 176 transitions. [2021-11-22 23:21:34,354 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 176 transitions. [2021-11-22 23:21:34,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-22 23:21:34,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:34,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:34,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:34,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:34,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 148 states and 175 transitions. [2021-11-22 23:21:34,450 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 175 transitions. [2021-11-22 23:21:34,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:21:34,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:34,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:34,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:34,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:34,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 147 states and 174 transitions. [2021-11-22 23:21:34,549 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 174 transitions. [2021-11-22 23:21:34,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:21:34,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:34,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:34,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:34,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:34,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 146 states and 173 transitions. [2021-11-22 23:21:34,753 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 173 transitions. [2021-11-22 23:21:34,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:21:34,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:34,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:34,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:34,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:34,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 145 states and 172 transitions. [2021-11-22 23:21:34,835 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 172 transitions. [2021-11-22 23:21:34,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:21:34,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:34,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:34,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:34,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:34,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 144 states and 171 transitions. [2021-11-22 23:21:34,894 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 171 transitions. [2021-11-22 23:21:34,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:21:34,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:34,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:34,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:34,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:34,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 143 states and 170 transitions. [2021-11-22 23:21:34,950 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 170 transitions. [2021-11-22 23:21:34,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:21:34,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:34,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:34,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:35,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:35,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:35,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 142 states and 169 transitions. [2021-11-22 23:21:35,043 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 169 transitions. [2021-11-22 23:21:35,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:21:35,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:35,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:35,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:35,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:35,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 145 states and 173 transitions. [2021-11-22 23:21:35,158 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 173 transitions. [2021-11-22 23:21:35,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:21:35,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:35,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:35,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:35,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:35,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 148 states and 179 transitions. [2021-11-22 23:21:35,443 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 179 transitions. [2021-11-22 23:21:35,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:21:35,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:35,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:35,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:35,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:35,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 147 states and 178 transitions. [2021-11-22 23:21:35,522 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 178 transitions. [2021-11-22 23:21:35,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:21:35,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:35,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:35,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:35,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:35,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 148 states and 180 transitions. [2021-11-22 23:21:35,906 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 180 transitions. [2021-11-22 23:21:35,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:21:35,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:35,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:35,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:36,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:36,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:36,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 150 states and 184 transitions. [2021-11-22 23:21:36,593 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 184 transitions. [2021-11-22 23:21:36,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:21:36,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:36,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:36,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:37,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:37,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 152 states and 188 transitions. [2021-11-22 23:21:37,760 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 188 transitions. [2021-11-22 23:21:37,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:21:37,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:37,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:37,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:37,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:37,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:37,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 152 states and 184 transitions. [2021-11-22 23:21:37,811 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 184 transitions. [2021-11-22 23:21:37,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:21:37,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:37,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:37,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:38,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:38,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 156 states and 191 transitions. [2021-11-22 23:21:38,571 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 191 transitions. [2021-11-22 23:21:38,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:21:38,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:38,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:38,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:38,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:38,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 157 states and 193 transitions. [2021-11-22 23:21:38,862 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 193 transitions. [2021-11-22 23:21:38,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:21:38,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:38,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:38,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:39,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:39,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 159 states and 196 transitions. [2021-11-22 23:21:39,178 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 196 transitions. [2021-11-22 23:21:39,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:21:39,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:39,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:39,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:39,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:39,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:39,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 165 states and 207 transitions. [2021-11-22 23:21:39,886 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 207 transitions. [2021-11-22 23:21:39,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:21:39,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:39,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:39,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:40,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:41,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:41,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 171 states and 218 transitions. [2021-11-22 23:21:41,140 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 218 transitions. [2021-11-22 23:21:41,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:21:41,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:41,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:41,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:42,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:42,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 176 states and 226 transitions. [2021-11-22 23:21:42,914 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 226 transitions. [2021-11-22 23:21:42,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:21:42,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:42,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:42,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:43,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:44,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:44,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 178 states and 231 transitions. [2021-11-22 23:21:44,456 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 231 transitions. [2021-11-22 23:21:44,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:44,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:44,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:45,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:47,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:47,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 185 states and 243 transitions. [2021-11-22 23:21:47,275 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 243 transitions. [2021-11-22 23:21:47,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:21:47,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:47,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:47,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:47,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:47,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 184 states and 242 transitions. [2021-11-22 23:21:47,316 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 242 transitions. [2021-11-22 23:21:47,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:21:47,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:47,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:47,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:47,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:47,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 186 states and 245 transitions. [2021-11-22 23:21:47,412 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 245 transitions. [2021-11-22 23:21:47,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:21:47,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:47,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:47,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:47,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:47,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 185 states and 244 transitions. [2021-11-22 23:21:47,451 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 244 transitions. [2021-11-22 23:21:47,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:21:47,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:47,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:47,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:47,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:47,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:47,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 186 states and 245 transitions. [2021-11-22 23:21:47,555 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 245 transitions. [2021-11-22 23:21:47,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:21:47,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:47,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:47,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:47,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:47,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 185 states and 242 transitions. [2021-11-22 23:21:47,611 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 242 transitions. [2021-11-22 23:21:47,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:21:47,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:47,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:47,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:47,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:48,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:48,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 186 states and 245 transitions. [2021-11-22 23:21:48,365 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 245 transitions. [2021-11-22 23:21:48,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:21:48,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:48,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:48,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:48,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:48,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:48,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 185 states and 244 transitions. [2021-11-22 23:21:48,414 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 244 transitions. [2021-11-22 23:21:48,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:21:48,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:48,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:48,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:48,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:48,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 186 states and 245 transitions. [2021-11-22 23:21:48,562 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 245 transitions. [2021-11-22 23:21:48,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:21:48,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:48,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:48,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:48,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:48,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 188 states and 249 transitions. [2021-11-22 23:21:48,882 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 249 transitions. [2021-11-22 23:21:48,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:21:48,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:48,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:48,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:48,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:49,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:49,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 192 states and 256 transitions. [2021-11-22 23:21:49,400 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 256 transitions. [2021-11-22 23:21:49,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:21:49,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:49,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:49,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:49,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:49,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:49,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 191 states and 255 transitions. [2021-11-22 23:21:49,446 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 255 transitions. [2021-11-22 23:21:49,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:21:49,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:49,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:49,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:50,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:50,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 190 states and 254 transitions. [2021-11-22 23:21:50,182 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 254 transitions. [2021-11-22 23:21:50,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:21:50,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:50,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:50,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:50,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:51,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:51,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 195 states and 261 transitions. [2021-11-22 23:21:51,855 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 261 transitions. [2021-11-22 23:21:51,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:21:51,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:51,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:51,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:51,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:52,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:52,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 196 states and 261 transitions. [2021-11-22 23:21:52,462 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 261 transitions. [2021-11-22 23:21:52,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:21:52,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:52,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:52,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:53,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:53,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 198 states and 264 transitions. [2021-11-22 23:21:53,678 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 264 transitions. [2021-11-22 23:21:53,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:21:53,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:53,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:53,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:53,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:55,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:55,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 200 states and 267 transitions. [2021-11-22 23:21:55,533 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 267 transitions. [2021-11-22 23:21:55,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:21:55,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:55,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:55,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:55,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:55,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:55,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 201 states and 268 transitions. [2021-11-22 23:21:55,567 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 268 transitions. [2021-11-22 23:21:55,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:21:55,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:55,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:55,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:55,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:55,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:55,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 203 states and 275 transitions. [2021-11-22 23:21:55,693 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 275 transitions. [2021-11-22 23:21:55,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:21:55,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:55,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:55,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:56,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:58,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:58,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 206 states and 281 transitions. [2021-11-22 23:21:58,291 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 281 transitions. [2021-11-22 23:21:58,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:21:58,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:58,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:58,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:58,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:58,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:58,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 205 states and 278 transitions. [2021-11-22 23:21:58,673 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 278 transitions. [2021-11-22 23:21:58,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:21:58,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:58,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:58,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:59,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:59,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 208 states and 280 transitions. [2021-11-22 23:21:59,245 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 280 transitions. [2021-11-22 23:21:59,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:21:59,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:59,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:59,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:59,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:59,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 209 states and 282 transitions. [2021-11-22 23:21:59,716 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 282 transitions. [2021-11-22 23:21:59,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:21:59,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:59,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:59,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:59,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:00,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:00,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 210 states and 283 transitions. [2021-11-22 23:22:00,429 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 283 transitions. [2021-11-22 23:22:00,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:22:00,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:00,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:00,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:00,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:03,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:03,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 214 states and 290 transitions. [2021-11-22 23:22:03,284 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 290 transitions. [2021-11-22 23:22:03,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:22:03,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:03,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:03,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:05,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:05,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 216 states and 294 transitions. [2021-11-22 23:22:05,236 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 294 transitions. [2021-11-22 23:22:05,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:22:05,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:05,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:06,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:13,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:13,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 229 states and 321 transitions. [2021-11-22 23:22:13,609 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 321 transitions. [2021-11-22 23:22:13,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:22:13,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:13,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:13,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:14,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:14,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 230 states and 322 transitions. [2021-11-22 23:22:14,422 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 322 transitions. [2021-11-22 23:22:14,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:22:14,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:14,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:14,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:17,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:17,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 235 states and 327 transitions. [2021-11-22 23:22:17,626 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 327 transitions. [2021-11-22 23:22:17,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:22:17,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:17,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:17,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:17,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:17,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 234 states and 326 transitions. [2021-11-22 23:22:17,665 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 326 transitions. [2021-11-22 23:22:17,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:22:17,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:17,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:17,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:17,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:17,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:17,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 235 states and 328 transitions. [2021-11-22 23:22:17,782 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 328 transitions. [2021-11-22 23:22:17,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:22:17,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:17,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:17,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:22:23,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:23,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 246 states and 358 transitions. [2021-11-22 23:22:23,496 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 358 transitions. [2021-11-22 23:22:23,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:22:23,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:23,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:23,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:22:29,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:29,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 257 states and 387 transitions. [2021-11-22 23:22:29,925 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 387 transitions. [2021-11-22 23:22:29,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:22:29,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:29,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:29,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:29,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:22:30,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:30,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 258 states and 388 transitions. [2021-11-22 23:22:30,506 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 388 transitions. [2021-11-22 23:22:30,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:22:30,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:30,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:30,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:30,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:22:31,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:31,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 259 states and 393 transitions. [2021-11-22 23:22:31,152 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 393 transitions. [2021-11-22 23:22:31,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:22:31,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:31,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:31,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:31,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:22:36,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:36,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 270 states and 418 transitions. [2021-11-22 23:22:36,628 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 418 transitions. [2021-11-22 23:22:36,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:22:36,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:36,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:36,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:22:37,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:37,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 271 states and 419 transitions. [2021-11-22 23:22:37,352 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 419 transitions. [2021-11-22 23:22:37,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:22:37,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:37,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:37,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:22:38,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:38,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 272 states and 421 transitions. [2021-11-22 23:22:38,194 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 421 transitions. [2021-11-22 23:22:38,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:22:38,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:38,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:38,213 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:22:38,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:38,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 271 states and 420 transitions. [2021-11-22 23:22:38,230 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 420 transitions. [2021-11-22 23:22:38,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:22:38,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:38,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:38,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:22:50,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:50,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 287 states and 456 transitions. [2021-11-22 23:22:50,816 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 456 transitions. [2021-11-22 23:22:50,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:22:50,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:50,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:50,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:22:51,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:51,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 288 states and 458 transitions. [2021-11-22 23:22:51,651 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 458 transitions. [2021-11-22 23:22:51,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:22:51,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:51,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:51,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:52,066 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:52,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:52,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 289 states and 460 transitions. [2021-11-22 23:22:52,898 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 460 transitions. [2021-11-22 23:22:52,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:22:52,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:52,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:52,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:22:53,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:53,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 290 states and 462 transitions. [2021-11-22 23:22:53,834 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 462 transitions. [2021-11-22 23:22:53,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:22:53,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:53,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:55,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:10,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:10,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 306 states and 492 transitions. [2021-11-22 23:23:10,024 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 492 transitions. [2021-11-22 23:23:10,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:23:10,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:10,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:10,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:23:10,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:10,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 305 states and 491 transitions. [2021-11-22 23:23:10,064 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 491 transitions. [2021-11-22 23:23:10,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:23:10,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:10,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:10,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:23:11,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:11,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 307 states and 495 transitions. [2021-11-22 23:23:11,583 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 495 transitions. [2021-11-22 23:23:11,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:23:11,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:11,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:11,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:23:11,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:11,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 306 states and 494 transitions. [2021-11-22 23:23:11,618 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 494 transitions. [2021-11-22 23:23:11,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:23:11,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:11,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:11,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:11,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:23:11,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:11,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 307 states and 495 transitions. [2021-11-22 23:23:11,674 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 495 transitions. [2021-11-22 23:23:11,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:23:11,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:11,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:11,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:12,191 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:23:20,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:20,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 314 states and 509 transitions. [2021-11-22 23:23:20,100 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 509 transitions. [2021-11-22 23:23:20,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:23:20,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:20,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:20,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:23:21,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:21,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 315 states and 511 transitions. [2021-11-22 23:23:21,467 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 511 transitions. [2021-11-22 23:23:21,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:23:21,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:21,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:21,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:23:21,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:21,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 316 states and 511 transitions. [2021-11-22 23:23:21,507 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 511 transitions. [2021-11-22 23:23:21,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:23:21,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:21,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:21,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:23:21,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:21,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 317 states and 511 transitions. [2021-11-22 23:23:21,547 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 511 transitions. [2021-11-22 23:23:21,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:23:21,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:21,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:21,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:23:40,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:40,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 336 states and 551 transitions. [2021-11-22 23:23:40,354 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 551 transitions. [2021-11-22 23:23:40,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:23:40,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:40,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:40,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:40,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:23:42,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:42,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 341 states and 560 transitions. [2021-11-22 23:23:42,196 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 560 transitions. [2021-11-22 23:23:42,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:23:42,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:42,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:42,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:42,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:23:43,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:43,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 342 states and 562 transitions. [2021-11-22 23:23:43,144 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 562 transitions. [2021-11-22 23:23:43,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:23:43,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:43,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:43,167 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:43,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:43,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 343 states and 563 transitions. [2021-11-22 23:23:43,925 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 563 transitions. [2021-11-22 23:23:43,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:23:43,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:43,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:44,002 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:48,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:48,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 351 states and 580 transitions. [2021-11-22 23:23:48,175 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 580 transitions. [2021-11-22 23:23:48,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:23:48,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:48,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:48,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:48,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:23:50,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:50,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 350 states and 579 transitions. [2021-11-22 23:23:50,085 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 579 transitions. [2021-11-22 23:23:50,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:23:50,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:50,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:50,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:50,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:23:50,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:50,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 349 states and 578 transitions. [2021-11-22 23:23:50,152 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 578 transitions. [2021-11-22 23:23:50,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:23:50,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:50,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:50,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:50,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:50,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:50,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 349 states and 577 transitions. [2021-11-22 23:23:50,224 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 577 transitions. [2021-11-22 23:23:50,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:23:50,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:50,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:50,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:52,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:09,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:09,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 359 states and 603 transitions. [2021-11-22 23:24:09,010 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 603 transitions. [2021-11-22 23:24:09,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:24:09,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:09,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:09,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:10,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:10,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 360 states and 605 transitions. [2021-11-22 23:24:10,534 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 605 transitions. [2021-11-22 23:24:10,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:24:10,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:10,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:10,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:12,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:12,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 362 states and 612 transitions. [2021-11-22 23:24:12,678 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 612 transitions. [2021-11-22 23:24:12,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:24:12,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:12,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:12,706 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:24:24,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:24,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 377 states and 633 transitions. [2021-11-22 23:24:24,802 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 633 transitions. [2021-11-22 23:24:24,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:24:24,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:24,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:24,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:26,256 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:51,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:51,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 392 states and 670 transitions. [2021-11-22 23:24:51,534 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 670 transitions. [2021-11-22 23:24:51,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:24:51,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:51,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:51,762 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:54,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:54,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 394 states and 675 transitions. [2021-11-22 23:24:54,331 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 675 transitions. [2021-11-22 23:24:54,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:24:54,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:54,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:54,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:54,555 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:57,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:57,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 396 states and 683 transitions. [2021-11-22 23:24:57,212 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 683 transitions. [2021-11-22 23:24:57,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:24:57,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:57,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:57,232 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:25:05,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:05,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 403 states and 693 transitions. [2021-11-22 23:25:05,653 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 693 transitions. [2021-11-22 23:25:05,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:25:05,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:05,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:05,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:05,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:25:06,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:06,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 404 states and 695 transitions. [2021-11-22 23:25:06,869 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 695 transitions. [2021-11-22 23:25:06,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:25:06,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:06,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:06,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:25:08,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:08,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 405 states and 696 transitions. [2021-11-22 23:25:08,108 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 696 transitions. [2021-11-22 23:25:08,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:25:08,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:08,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:09,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:25,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:25,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 422 states and 728 transitions. [2021-11-22 23:25:25,822 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 728 transitions. [2021-11-22 23:25:25,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:25:25,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:25,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:27,179 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:48,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:48,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 443 states and 763 transitions. [2021-11-22 23:25:48,556 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 763 transitions. [2021-11-22 23:25:48,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:25:48,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:48,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:52,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:16,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:16,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 456 states and 791 transitions. [2021-11-22 23:26:16,371 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 791 transitions. [2021-11-22 23:26:16,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:26:16,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:16,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:16,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:16,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:26:27,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:27,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 463 states and 802 transitions. [2021-11-22 23:26:27,785 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 802 transitions. [2021-11-22 23:26:27,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:26:27,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:27,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:27,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:26:29,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:29,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 464 states and 804 transitions. [2021-11-22 23:26:29,118 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 804 transitions. [2021-11-22 23:26:29,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:26:29,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:29,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:31,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:27:03,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:03,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 484 states and 833 transitions. [2021-11-22 23:27:03,454 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 833 transitions. [2021-11-22 23:27:03,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:27:03,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:03,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:07,266 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:33,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:33,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 499 states and 857 transitions. [2021-11-22 23:27:33,674 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 857 transitions. [2021-11-22 23:27:33,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:27:33,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:33,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:33,897 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:40,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:40,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 505 states and 870 transitions. [2021-11-22 23:27:40,206 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 870 transitions. [2021-11-22 23:27:40,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:27:40,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:40,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:43,509 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:28:28,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:28,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 530 states and 919 transitions. [2021-11-22 23:28:28,028 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 919 transitions. [2021-11-22 23:28:28,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:28:28,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:28,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:28,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:28,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:28:31,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:31,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 532 states and 924 transitions. [2021-11-22 23:28:31,488 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 924 transitions. [2021-11-22 23:28:31,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:28:31,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:31,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:31,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:28:33,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:33,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 534 states and 925 transitions. [2021-11-22 23:28:33,161 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 925 transitions. [2021-11-22 23:28:33,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:28:33,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:33,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:33,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:28:41,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:41,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 541 states and 936 transitions. [2021-11-22 23:28:41,543 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 936 transitions. [2021-11-22 23:28:41,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:28:41,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:41,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:41,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:42,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:59,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:59,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 552 states and 955 transitions. [2021-11-22 23:28:59,836 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 955 transitions. [2021-11-22 23:28:59,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:28:59,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:59,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:59,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:59,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:10,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:10,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 559 states and 967 transitions. [2021-11-22 23:29:10,228 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 967 transitions. [2021-11-22 23:29:10,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:29:10,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:10,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:10,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:15,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:56,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:56,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 582 states and 1036 transitions. [2021-11-22 23:29:56,207 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 1036 transitions. [2021-11-22 23:29:56,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:29:56,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:56,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:00,111 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:42,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:42,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 605 states and 1083 transitions. [2021-11-22 23:30:42,522 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 1083 transitions. [2021-11-22 23:30:42,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:30:42,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:42,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:43,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:50,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:50,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 611 states and 1105 transitions. [2021-11-22 23:30:50,743 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 1105 transitions. [2021-11-22 23:30:50,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:30:50,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:50,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:51,447 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:59,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:59,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 617 states and 1126 transitions. [2021-11-22 23:30:59,591 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 1126 transitions. [2021-11-22 23:30:59,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:30:59,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:59,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:59,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:07,345 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:29,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:29,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 624 states and 1141 transitions. [2021-11-22 23:31:29,212 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 1141 transitions. [2021-11-22 23:31:29,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:31:29,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:29,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:29,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:30,589 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:31:52,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:52,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 635 states and 1193 transitions. [2021-11-22 23:31:52,595 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 1193 transitions. [2021-11-22 23:31:52,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:31:52,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:52,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:52,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:53,681 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:32:09,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:09,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 643 states and 1212 transitions. [2021-11-22 23:32:09,059 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1212 transitions. [2021-11-22 23:32:09,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:32:09,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:09,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:09,104 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:32:23,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:23,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 651 states and 1231 transitions. [2021-11-22 23:32:23,564 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 1231 transitions. [2021-11-22 23:32:23,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:32:23,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:23,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:23,598 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:32:29,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:29,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 654 states and 1235 transitions. [2021-11-22 23:32:29,158 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 1235 transitions. [2021-11-22 23:32:29,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:32:29,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:29,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:29,215 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:32:30,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:30,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 655 states and 1237 transitions. [2021-11-22 23:32:30,459 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 1237 transitions. [2021-11-22 23:32:30,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:32:30,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:30,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:30,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:30,505 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:32:32,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:32,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 656 states and 1240 transitions. [2021-11-22 23:32:32,124 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 1240 transitions. [2021-11-22 23:32:32,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:32:32,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:32,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:37,609 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:42,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:42,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 657 states and 1241 transitions. [2021-11-22 23:32:42,082 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 1241 transitions. [2021-11-22 23:32:42,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:32:42,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:42,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:42,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:42,104 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.