./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/dll-token-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f88536bc-6e52-4c17-8b33-a38d5175f584/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f88536bc-6e52-4c17-8b33-a38d5175f584/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f88536bc-6e52-4c17-8b33-a38d5175f584/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f88536bc-6e52-4c17-8b33-a38d5175f584/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-token-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f88536bc-6e52-4c17-8b33-a38d5175f584/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f88536bc-6e52-4c17-8b33-a38d5175f584/bin/ukojak-CwSLpZB5Qu --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 26e745e5a6378d1005b5b65d8cf35b442871742f5efbed2506d4a18acf4ab9a5 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:54:34,057 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:54:34,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:54:34,100 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:54:34,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:54:34,102 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:54:34,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:54:34,106 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:54:34,108 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:54:34,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:54:34,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:54:34,111 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:54:34,112 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:54:34,113 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:54:34,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:54:34,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:54:34,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:54:34,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:54:34,121 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:54:34,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:54:34,126 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:54:34,128 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:54:34,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:54:34,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:54:34,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:54:34,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:54:34,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:54:34,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:54:34,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:54:34,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:54:34,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:54:34,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:54:34,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:54:34,142 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:54:34,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:54:34,144 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:54:34,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:54:34,145 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:54:34,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:54:34,147 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:54:34,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:54:34,148 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f88536bc-6e52-4c17-8b33-a38d5175f584/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:54:34,173 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:54:34,174 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:54:34,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:54:34,176 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:54:34,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:54:34,176 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:54:34,176 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:54:34,176 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:54:34,177 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:54:34,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:54:34,177 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:54:34,177 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:54:34,177 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:54:34,177 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:54:34,178 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:54:34,178 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:54:34,178 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:54:34,178 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:54:34,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:54:34,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:34,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:54:34,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:54:34,179 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:54:34,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:54:34,180 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_f88536bc-6e52-4c17-8b33-a38d5175f584/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f88536bc-6e52-4c17-8b33-a38d5175f584/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26e745e5a6378d1005b5b65d8cf35b442871742f5efbed2506d4a18acf4ab9a5 [2021-11-23 15:54:34,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:54:34,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:54:34,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:54:34,455 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:54:34,456 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:54:34,457 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f88536bc-6e52-4c17-8b33-a38d5175f584/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/forester-heap/dll-token-1.i [2021-11-23 15:54:34,519 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f88536bc-6e52-4c17-8b33-a38d5175f584/bin/ukojak-CwSLpZB5Qu/data/607c5b98b/b76f97cde8e3471ab63472f98e778641/FLAGeaf21457f [2021-11-23 15:54:35,094 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:54:35,095 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f88536bc-6e52-4c17-8b33-a38d5175f584/sv-benchmarks/c/forester-heap/dll-token-1.i [2021-11-23 15:54:35,123 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f88536bc-6e52-4c17-8b33-a38d5175f584/bin/ukojak-CwSLpZB5Qu/data/607c5b98b/b76f97cde8e3471ab63472f98e778641/FLAGeaf21457f [2021-11-23 15:54:35,357 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f88536bc-6e52-4c17-8b33-a38d5175f584/bin/ukojak-CwSLpZB5Qu/data/607c5b98b/b76f97cde8e3471ab63472f98e778641 [2021-11-23 15:54:35,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:54:35,361 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:54:35,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:35,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:54:35,366 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:54:35,367 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:35" (1/1) ... [2021-11-23 15:54:35,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4898dfdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:35, skipping insertion in model container [2021-11-23 15:54:35,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:35" (1/1) ... [2021-11-23 15:54:35,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:54:35,434 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:54:35,759 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_f88536bc-6e52-4c17-8b33-a38d5175f584/sv-benchmarks/c/forester-heap/dll-token-1.i[22229,22242] [2021-11-23 15:54:35,770 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_f88536bc-6e52-4c17-8b33-a38d5175f584/sv-benchmarks/c/forester-heap/dll-token-1.i[22398,22411] [2021-11-23 15:54:35,773 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_f88536bc-6e52-4c17-8b33-a38d5175f584/sv-benchmarks/c/forester-heap/dll-token-1.i[22489,22502] [2021-11-23 15:54:35,774 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_f88536bc-6e52-4c17-8b33-a38d5175f584/sv-benchmarks/c/forester-heap/dll-token-1.i[22571,22584] [2021-11-23 15:54:35,776 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_f88536bc-6e52-4c17-8b33-a38d5175f584/sv-benchmarks/c/forester-heap/dll-token-1.i[22649,22662] [2021-11-23 15:54:35,779 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_f88536bc-6e52-4c17-8b33-a38d5175f584/sv-benchmarks/c/forester-heap/dll-token-1.i[22795,22808] [2021-11-23 15:54:35,782 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:35,790 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:54:35,824 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_f88536bc-6e52-4c17-8b33-a38d5175f584/sv-benchmarks/c/forester-heap/dll-token-1.i[22229,22242] [2021-11-23 15:54:35,826 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_f88536bc-6e52-4c17-8b33-a38d5175f584/sv-benchmarks/c/forester-heap/dll-token-1.i[22398,22411] [2021-11-23 15:54:35,827 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_f88536bc-6e52-4c17-8b33-a38d5175f584/sv-benchmarks/c/forester-heap/dll-token-1.i[22489,22502] [2021-11-23 15:54:35,828 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_f88536bc-6e52-4c17-8b33-a38d5175f584/sv-benchmarks/c/forester-heap/dll-token-1.i[22571,22584] [2021-11-23 15:54:35,833 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_f88536bc-6e52-4c17-8b33-a38d5175f584/sv-benchmarks/c/forester-heap/dll-token-1.i[22649,22662] [2021-11-23 15:54:35,835 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_f88536bc-6e52-4c17-8b33-a38d5175f584/sv-benchmarks/c/forester-heap/dll-token-1.i[22795,22808] [2021-11-23 15:54:35,846 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:35,871 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:54:35,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:35 WrapperNode [2021-11-23 15:54:35,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:35,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:35,873 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:54:35,873 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:54:35,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:35" (1/1) ... [2021-11-23 15:54:35,894 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:35" (1/1) ... [2021-11-23 15:54:35,920 INFO L137 Inliner]: procedures = 119, calls = 36, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 139 [2021-11-23 15:54:35,920 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:35,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:54:35,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:54:35,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:54:35,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:35" (1/1) ... [2021-11-23 15:54:35,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:35" (1/1) ... [2021-11-23 15:54:35,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:35" (1/1) ... [2021-11-23 15:54:35,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:35" (1/1) ... [2021-11-23 15:54:35,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:35" (1/1) ... [2021-11-23 15:54:35,954 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:35" (1/1) ... [2021-11-23 15:54:35,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:35" (1/1) ... [2021-11-23 15:54:35,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:54:35,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:54:35,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:54:35,961 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:54:35,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:35" (1/1) ... [2021-11-23 15:54:35,973 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:35,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f88536bc-6e52-4c17-8b33-a38d5175f584/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:54:36,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f88536bc-6e52-4c17-8b33-a38d5175f584/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:54:36,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f88536bc-6e52-4c17-8b33-a38d5175f584/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:54:36,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:54:36,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:54:36,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:54:36,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:54:36,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:54:36,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:54:36,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:54:36,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:54:36,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:54:36,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:54:36,166 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:54:36,167 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:54:36,597 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:54:36,644 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:54:36,644 INFO L301 CfgBuilder]: Removed 15 assume(true) statements. [2021-11-23 15:54:36,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:54:36 BoogieIcfgContainer [2021-11-23 15:54:36,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:54:36,649 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:54:36,649 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:54:36,659 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:54:36,659 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:54:36" (1/1) ... [2021-11-23 15:54:36,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:54:36,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:36,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 123 states and 146 transitions. [2021-11-23 15:54:36,727 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 146 transitions. [2021-11-23 15:54:36,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-23 15:54:36,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:36,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:36,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:36,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:36,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 122 states and 145 transitions. [2021-11-23 15:54:36,971 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 145 transitions. [2021-11-23 15:54:36,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-23 15:54:36,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:36,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:37,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:37,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:37,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:37,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 121 states and 144 transitions. [2021-11-23 15:54:37,136 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 144 transitions. [2021-11-23 15:54:37,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 15:54:37,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:37,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:37,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:37,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:37,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 120 states and 143 transitions. [2021-11-23 15:54:37,214 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 143 transitions. [2021-11-23 15:54:37,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 15:54:37,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:37,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:37,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:37,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:37,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 119 states and 142 transitions. [2021-11-23 15:54:37,299 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 142 transitions. [2021-11-23 15:54:37,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 15:54:37,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:37,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:37,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:37,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:37,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 118 states and 141 transitions. [2021-11-23 15:54:37,349 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 141 transitions. [2021-11-23 15:54:37,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 15:54:37,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:37,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:37,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:37,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:37,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 117 states and 140 transitions. [2021-11-23 15:54:37,514 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 140 transitions. [2021-11-23 15:54:37,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 15:54:37,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:37,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:37,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:37,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:37,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 117 states and 138 transitions. [2021-11-23 15:54:37,590 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 138 transitions. [2021-11-23 15:54:37,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 15:54:37,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:37,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:37,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:37,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:37,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 120 states and 144 transitions. [2021-11-23 15:54:37,758 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 144 transitions. [2021-11-23 15:54:37,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 15:54:37,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:37,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:37,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:37,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:37,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 123 states and 148 transitions. [2021-11-23 15:54:37,918 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 148 transitions. [2021-11-23 15:54:37,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 15:54:37,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:37,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:37,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:37,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:37,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 124 states and 151 transitions. [2021-11-23 15:54:37,973 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 151 transitions. [2021-11-23 15:54:37,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 15:54:37,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:37,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:37,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:38,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:38,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:38,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 125 states and 153 transitions. [2021-11-23 15:54:38,159 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 153 transitions. [2021-11-23 15:54:38,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 15:54:38,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:38,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:38,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:38,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:38,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:38,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 124 states and 152 transitions. [2021-11-23 15:54:38,206 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 152 transitions. [2021-11-23 15:54:38,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 15:54:38,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:38,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:38,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:38,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:38,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:38,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 125 states and 153 transitions. [2021-11-23 15:54:38,315 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 153 transitions. [2021-11-23 15:54:38,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 15:54:38,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:38,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:38,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:38,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:38,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:38,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 124 states and 152 transitions. [2021-11-23 15:54:38,369 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 152 transitions. [2021-11-23 15:54:38,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 15:54:38,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:38,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:38,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:38,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:38,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 125 states and 154 transitions. [2021-11-23 15:54:38,625 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 154 transitions. [2021-11-23 15:54:38,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:54:38,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:38,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:38,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:38,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:38,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 124 states and 153 transitions. [2021-11-23 15:54:38,660 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 153 transitions. [2021-11-23 15:54:38,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:54:38,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:38,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:38,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:38,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:38,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 125 states and 155 transitions. [2021-11-23 15:54:38,713 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 155 transitions. [2021-11-23 15:54:38,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:54:38,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:38,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:38,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:38,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:39,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:39,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 127 states and 160 transitions. [2021-11-23 15:54:39,237 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 160 transitions. [2021-11-23 15:54:39,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:54:39,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:39,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:39,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:40,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:40,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 129 states and 163 transitions. [2021-11-23 15:54:40,019 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 163 transitions. [2021-11-23 15:54:40,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 15:54:40,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:40,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:40,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:40,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:40,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:40,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 131 states and 167 transitions. [2021-11-23 15:54:40,652 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 167 transitions. [2021-11-23 15:54:40,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 15:54:40,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:40,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:40,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:41,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:41,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 133 states and 171 transitions. [2021-11-23 15:54:41,410 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 171 transitions. [2021-11-23 15:54:41,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 15:54:41,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:41,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:41,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:41,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:41,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 134 states and 173 transitions. [2021-11-23 15:54:41,640 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 173 transitions. [2021-11-23 15:54:41,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 15:54:41,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:41,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:41,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:41,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:41,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:41,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 136 states and 176 transitions. [2021-11-23 15:54:41,934 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 176 transitions. [2021-11-23 15:54:41,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 15:54:41,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:41,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:41,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:42,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:42,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 137 states and 178 transitions. [2021-11-23 15:54:42,179 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 178 transitions. [2021-11-23 15:54:42,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 15:54:42,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:42,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:42,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:42,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:42,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:42,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 139 states and 181 transitions. [2021-11-23 15:54:42,461 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 181 transitions. [2021-11-23 15:54:42,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 15:54:42,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:42,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:42,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:42,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:43,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:43,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 144 states and 189 transitions. [2021-11-23 15:54:43,843 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 189 transitions. [2021-11-23 15:54:43,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 15:54:43,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:43,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:44,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:45,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:45,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 146 states and 194 transitions. [2021-11-23 15:54:45,271 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 194 transitions. [2021-11-23 15:54:45,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 15:54:45,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:45,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:45,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:45,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:46,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:46,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 148 states and 198 transitions. [2021-11-23 15:54:46,379 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 198 transitions. [2021-11-23 15:54:46,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 15:54:46,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:46,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:46,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:46,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:47,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:47,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 150 states and 202 transitions. [2021-11-23 15:54:47,728 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 202 transitions. [2021-11-23 15:54:47,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 15:54:47,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:47,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:47,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:48,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:50,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:50,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 155 states and 210 transitions. [2021-11-23 15:54:50,617 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 210 transitions. [2021-11-23 15:54:50,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 15:54:50,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:50,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:50,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:50,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:50,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:50,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 155 states and 207 transitions. [2021-11-23 15:54:50,656 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 207 transitions. [2021-11-23 15:54:50,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 15:54:50,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:50,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:50,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:50,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:53,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:53,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 164 states and 221 transitions. [2021-11-23 15:54:53,664 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 221 transitions. [2021-11-23 15:54:53,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 15:54:53,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:53,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:53,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:53,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:57,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:57,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 175 states and 241 transitions. [2021-11-23 15:54:57,237 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 241 transitions. [2021-11-23 15:54:57,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 15:54:57,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:57,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:57,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:57,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:01,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:01,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 186 states and 260 transitions. [2021-11-23 15:55:01,533 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 260 transitions. [2021-11-23 15:55:01,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 15:55:01,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:01,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:01,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:01,582 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:01,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:01,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 187 states and 262 transitions. [2021-11-23 15:55:01,592 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 262 transitions. [2021-11-23 15:55:01,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 15:55:01,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:01,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:01,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:01,770 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:03,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:03,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 191 states and 270 transitions. [2021-11-23 15:55:03,144 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 270 transitions. [2021-11-23 15:55:03,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 15:55:03,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:03,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:03,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:03,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:03,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 194 states and 273 transitions. [2021-11-23 15:55:03,532 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 273 transitions. [2021-11-23 15:55:03,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 15:55:03,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:03,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:04,285 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:05,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:05,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 124 states and 151 transitions. [2021-11-23 15:55:05,207 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 151 transitions. [2021-11-23 15:55:05,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 15:55:05,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:05,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:05,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:05,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:05,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 123 states and 148 transitions. [2021-11-23 15:55:05,251 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 148 transitions. [2021-11-23 15:55:05,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 15:55:05,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:05,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:05,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:05,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:05,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 125 states and 151 transitions. [2021-11-23 15:55:05,307 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 151 transitions. [2021-11-23 15:55:05,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 15:55:05,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:05,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:05,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:05,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:05,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 124 states and 148 transitions. [2021-11-23 15:55:05,344 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 148 transitions. [2021-11-23 15:55:05,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 15:55:05,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:05,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:05,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:05,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:05,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 125 states and 149 transitions. [2021-11-23 15:55:05,395 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 149 transitions. [2021-11-23 15:55:05,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 15:55:05,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:05,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:05,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:06,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:12,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:12,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 130 states and 154 transitions. [2021-11-23 15:55:12,681 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 154 transitions. [2021-11-23 15:55:12,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 15:55:12,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:12,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:12,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:13,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:14,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:14,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 131 states and 154 transitions. [2021-11-23 15:55:14,315 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 154 transitions. [2021-11-23 15:55:14,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 15:55:14,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:14,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:14,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:14,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:14,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 130 states and 153 transitions. [2021-11-23 15:55:14,787 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 153 transitions. [2021-11-23 15:55:14,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 15:55:14,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:14,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:14,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:15,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:15,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 133 states and 156 transitions. [2021-11-23 15:55:15,388 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 156 transitions. [2021-11-23 15:55:15,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 15:55:15,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:15,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:15,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:16,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:20,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:20,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 143 states and 167 transitions. [2021-11-23 15:55:20,932 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 167 transitions. [2021-11-23 15:55:20,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 15:55:20,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:20,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:20,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:22,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:27,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:27,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 153 states and 180 transitions. [2021-11-23 15:55:27,185 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 180 transitions. [2021-11-23 15:55:27,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 15:55:27,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:27,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:29,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:36,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:36,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 164 states and 194 transitions. [2021-11-23 15:55:36,181 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 194 transitions. [2021-11-23 15:55:36,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 15:55:36,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:36,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:36,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:36,244 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 15:55:40,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:40,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 153 states and 180 transitions. [2021-11-23 15:55:40,577 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 180 transitions. [2021-11-23 15:55:40,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 15:55:40,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:40,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:41,643 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:52,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:52,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 167 states and 199 transitions. [2021-11-23 15:55:52,151 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 199 transitions. [2021-11-23 15:55:52,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 15:55:52,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:52,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:52,748 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:53,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:53,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 170 states and 201 transitions. [2021-11-23 15:55:53,734 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 201 transitions. [2021-11-23 15:55:53,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 15:55:53,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:53,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:53,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:53,781 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:57,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:57,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 174 states and 205 transitions. [2021-11-23 15:55:57,470 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 205 transitions. [2021-11-23 15:55:57,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 15:55:57,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:57,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:57,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:56:03,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:03,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 185 states and 220 transitions. [2021-11-23 15:56:03,607 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 220 transitions. [2021-11-23 15:56:03,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 15:56:03,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:03,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:03,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:03,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:56:10,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:10,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 196 states and 236 transitions. [2021-11-23 15:56:10,731 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 236 transitions. [2021-11-23 15:56:10,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 15:56:10,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:10,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:10,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:56:10,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:10,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 195 states and 233 transitions. [2021-11-23 15:56:10,777 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 233 transitions. [2021-11-23 15:56:10,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 15:56:10,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:10,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:10,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:10,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:56:10,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:10,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 197 states and 236 transitions. [2021-11-23 15:56:10,834 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 236 transitions. [2021-11-23 15:56:10,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 15:56:10,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:10,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:10,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:56:10,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:10,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 196 states and 235 transitions. [2021-11-23 15:56:10,871 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 235 transitions. [2021-11-23 15:56:10,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 15:56:10,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:10,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:10,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:56:10,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:10,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 197 states and 236 transitions. [2021-11-23 15:56:10,926 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 236 transitions. [2021-11-23 15:56:10,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 15:56:10,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:10,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:10,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:56:11,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:11,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 198 states and 237 transitions. [2021-11-23 15:56:11,791 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 237 transitions. [2021-11-23 15:56:11,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 15:56:11,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:11,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:11,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:15,544 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:56:36,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:36,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 221 states and 268 transitions. [2021-11-23 15:56:36,637 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 268 transitions. [2021-11-23 15:56:36,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 15:56:36,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:36,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:37,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:56:38,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:38,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 222 states and 268 transitions. [2021-11-23 15:56:38,970 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 268 transitions. [2021-11-23 15:56:38,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 15:56:38,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:38,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:38,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:39,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:57:01,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:01,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 247 states and 305 transitions. [2021-11-23 15:57:01,724 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 305 transitions. [2021-11-23 15:57:01,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 15:57:01,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:01,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:01,749 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 15:57:02,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:02,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 246 states and 304 transitions. [2021-11-23 15:57:02,621 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 304 transitions. [2021-11-23 15:57:02,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 15:57:02,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:02,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:02,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 15:57:03,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:03,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 249 states and 317 transitions. [2021-11-23 15:57:03,866 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 317 transitions. [2021-11-23 15:57:03,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 15:57:03,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:03,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:03,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:57:04,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:04,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 248 states and 316 transitions. [2021-11-23 15:57:04,877 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 316 transitions. [2021-11-23 15:57:04,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 15:57:04,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:04,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:04,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:04,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:57:05,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:05,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 251 states and 319 transitions. [2021-11-23 15:57:05,947 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 319 transitions. [2021-11-23 15:57:05,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 15:57:05,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:05,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:05,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:05,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:57:08,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:08,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 254 states and 326 transitions. [2021-11-23 15:57:08,953 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 326 transitions. [2021-11-23 15:57:08,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 15:57:08,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:08,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:12,922 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:57:32,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:32,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 273 states and 350 transitions. [2021-11-23 15:57:32,238 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 350 transitions. [2021-11-23 15:57:32,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 15:57:32,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:32,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:32,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:36,456 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:57:58,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:58,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 292 states and 385 transitions. [2021-11-23 15:57:58,144 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 385 transitions. [2021-11-23 15:57:58,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 15:57:58,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:58,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:01,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:13,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:13,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 303 states and 403 transitions. [2021-11-23 15:58:13,848 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 403 transitions. [2021-11-23 15:58:13,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 15:58:13,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:13,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:17,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:36,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:36,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 313 states and 421 transitions. [2021-11-23 15:58:36,618 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 421 transitions. [2021-11-23 15:58:36,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 15:58:36,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:36,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:38,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:52,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:52,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 323 states and 439 transitions. [2021-11-23 15:58:52,296 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 439 transitions. [2021-11-23 15:58:52,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 15:58:52,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:52,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:52,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:56,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:59:31,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:59:31,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 344 states and 475 transitions. [2021-11-23 15:59:31,955 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 475 transitions. [2021-11-23 15:59:31,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 15:59:31,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:59:31,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:59:31,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:59:33,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:59:42,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:59:42,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 351 states and 485 transitions. [2021-11-23 15:59:42,661 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 485 transitions. [2021-11-23 15:59:42,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 15:59:42,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:59:42,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:59:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:59:42,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:59:43,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:59:43,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 350 states and 484 transitions. [2021-11-23 15:59:43,025 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 484 transitions. [2021-11-23 15:59:43,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 15:59:43,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:59:43,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:59:43,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:59:44,203 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:59:52,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:59:52,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 354 states and 488 transitions. [2021-11-23 15:59:52,540 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 488 transitions. [2021-11-23 15:59:52,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 15:59:52,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:59:52,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:59:52,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:59:54,137 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 16:00:17,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:00:17,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 373 states and 519 transitions. [2021-11-23 16:00:17,055 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 519 transitions. [2021-11-23 16:00:17,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 16:00:17,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:00:17,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:00:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:00:17,104 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 16:00:24,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:00:24,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 367 states and 510 transitions. [2021-11-23 16:00:24,340 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 510 transitions. [2021-11-23 16:00:24,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 16:00:24,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:00:24,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:00:24,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:00:24,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 16:00:28,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:00:28,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 371 states and 515 transitions. [2021-11-23 16:00:28,614 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 515 transitions. [2021-11-23 16:00:28,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 16:00:28,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:00:28,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:00:28,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:00:36,563 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 16:01:04,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:01:04,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 381 states and 529 transitions. [2021-11-23 16:01:04,631 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 529 transitions. [2021-11-23 16:01:04,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 16:01:04,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:01:04,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:01:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:01:04,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 16:01:18,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:01:18,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 390 states and 539 transitions. [2021-11-23 16:01:18,156 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 539 transitions. [2021-11-23 16:01:18,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 16:01:18,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:01:18,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:01:18,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:01:18,396 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 16:01:26,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:01:26,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 394 states and 543 transitions. [2021-11-23 16:01:26,110 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 543 transitions. [2021-11-23 16:01:26,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 16:01:26,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:01:26,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:01:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:01:30,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 16:01:49,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:01:49,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 404 states and 555 transitions. [2021-11-23 16:01:49,023 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 555 transitions. [2021-11-23 16:01:49,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 16:01:49,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:01:49,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:01:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:01:54,404 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 16:02:13,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:02:13,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 413 states and 567 transitions. [2021-11-23 16:02:13,537 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 567 transitions. [2021-11-23 16:02:13,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 16:02:13,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:02:13,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:02:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:02:19,069 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 16:02:48,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:02:48,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 429 states and 599 transitions. [2021-11-23 16:02:48,454 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 599 transitions. [2021-11-23 16:02:48,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 16:02:48,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:02:48,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:02:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:02:56,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 16:04:07,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:04:07,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 462 states and 652 transitions. [2021-11-23 16:04:07,841 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 652 transitions. [2021-11-23 16:04:07,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 16:04:07,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:04:07,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:04:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:04:10,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 16:04:32,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:04:32,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 468 states and 664 transitions. [2021-11-23 16:04:32,886 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 664 transitions. [2021-11-23 16:04:32,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 16:04:32,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:04:32,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:04:32,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:04:40,562 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 16:04:59,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:04:59,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 472 states and 668 transitions. [2021-11-23 16:04:59,178 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 668 transitions. [2021-11-23 16:04:59,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 16:04:59,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:04:59,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:04:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:05:07,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 16:05:49,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:05:49,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 488 states and 692 transitions. [2021-11-23 16:05:49,548 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 692 transitions. [2021-11-23 16:05:49,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 16:05:49,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:05:49,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:05:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:05:58,683 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.