./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/lockfree-3.1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36557ed3-3ce7-4a88-90c2-e7b6d02b5785/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36557ed3-3ce7-4a88-90c2-e7b6d02b5785/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36557ed3-3ce7-4a88-90c2-e7b6d02b5785/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36557ed3-3ce7-4a88-90c2-e7b6d02b5785/bin/ukojak-Rh5K9KB4LI/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/lockfree-3.1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36557ed3-3ce7-4a88-90c2-e7b6d02b5785/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36557ed3-3ce7-4a88-90c2-e7b6d02b5785/bin/ukojak-Rh5K9KB4LI --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 f3bd5e04188199017a119b2ef3a434e2cfadf1e2e5bbf4182b28eb1a822c186f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36557ed3-3ce7-4a88-90c2-e7b6d02b5785/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36557ed3-3ce7-4a88-90c2-e7b6d02b5785/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36557ed3-3ce7-4a88-90c2-e7b6d02b5785/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36557ed3-3ce7-4a88-90c2-e7b6d02b5785/bin/ukojak-Rh5K9KB4LI/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/lockfree-3.1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36557ed3-3ce7-4a88-90c2-e7b6d02b5785/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36557ed3-3ce7-4a88-90c2-e7b6d02b5785/bin/ukojak-Rh5K9KB4LI --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 f3bd5e04188199017a119b2ef3a434e2cfadf1e2e5bbf4182b28eb1a822c186f ........................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:28:02,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:28:02,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:28:02,051 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:28:02,052 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:28:02,053 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:28:02,055 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:28:02,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:28:02,060 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:28:02,061 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:28:02,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:28:02,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:28:02,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:28:02,066 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:28:02,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:28:02,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:28:02,071 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:28:02,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:28:02,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:28:02,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:28:02,079 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:28:02,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:28:02,083 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:28:02,084 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:28:02,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:28:02,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:28:02,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:28:02,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:28:02,090 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:28:02,092 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:28:02,092 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:28:02,093 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:28:02,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:28:02,095 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:28:02,097 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:28:02,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:28:02,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:28:02,099 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:28:02,099 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:28:02,100 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:28:02,101 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:28:02,102 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36557ed3-3ce7-4a88-90c2-e7b6d02b5785/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-10-29 03:28:02,130 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:28:02,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:28:02,132 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:28:02,133 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:28:02,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:28:02,133 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:28:02,134 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 03:28:02,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:28:02,134 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:28:02,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:28:02,135 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 03:28:02,135 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 03:28:02,136 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 03:28:02,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:28:02,136 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:28:02,137 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:28:02,137 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:28:02,137 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:28:02,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:28:02,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:28:02,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:28:02,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:28:02,139 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:28:02,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:28:02,145 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_36557ed3-3ce7-4a88-90c2-e7b6d02b5785/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36557ed3-3ce7-4a88-90c2-e7b6d02b5785/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3bd5e04188199017a119b2ef3a434e2cfadf1e2e5bbf4182b28eb1a822c186f [2021-10-29 03:28:02,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:28:02,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:28:02,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:28:02,471 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:28:02,473 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:28:02,474 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36557ed3-3ce7-4a88-90c2-e7b6d02b5785/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/memsafety/lockfree-3.1.i [2021-10-29 03:28:02,568 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36557ed3-3ce7-4a88-90c2-e7b6d02b5785/bin/ukojak-Rh5K9KB4LI/data/cbf8ee4cd/10536af0f1ef4304a6f6c012e04dd1a6/FLAG75b29342e [2021-10-29 03:28:03,121 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:28:03,121 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36557ed3-3ce7-4a88-90c2-e7b6d02b5785/sv-benchmarks/c/memsafety/lockfree-3.1.i [2021-10-29 03:28:03,134 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36557ed3-3ce7-4a88-90c2-e7b6d02b5785/bin/ukojak-Rh5K9KB4LI/data/cbf8ee4cd/10536af0f1ef4304a6f6c012e04dd1a6/FLAG75b29342e [2021-10-29 03:28:03,417 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36557ed3-3ce7-4a88-90c2-e7b6d02b5785/bin/ukojak-Rh5K9KB4LI/data/cbf8ee4cd/10536af0f1ef4304a6f6c012e04dd1a6 [2021-10-29 03:28:03,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:28:03,420 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:28:03,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:28:03,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:28:03,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:28:03,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:28:03" (1/1) ... [2021-10-29 03:28:03,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@620b8580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:03, skipping insertion in model container [2021-10-29 03:28:03,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:28:03" (1/1) ... [2021-10-29 03:28:03,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:28:03,506 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:28:03,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:28:03,879 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:28:03,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:28:04,000 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:28:04,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:04 WrapperNode [2021-10-29 03:28:04,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:28:04,002 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:28:04,002 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:28:04,002 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:28:04,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:04" (1/1) ... [2021-10-29 03:28:04,025 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:04" (1/1) ... [2021-10-29 03:28:04,064 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:28:04,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:28:04,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:28:04,069 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:28:04,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:04" (1/1) ... [2021-10-29 03:28:04,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:04" (1/1) ... [2021-10-29 03:28:04,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:04" (1/1) ... [2021-10-29 03:28:04,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:04" (1/1) ... [2021-10-29 03:28:04,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:04" (1/1) ... [2021-10-29 03:28:04,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:04" (1/1) ... [2021-10-29 03:28:04,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:04" (1/1) ... [2021-10-29 03:28:04,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:28:04,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:28:04,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:28:04,146 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:28:04,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:04" (1/1) ... [2021-10-29 03:28:04,155 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:28:04,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36557ed3-3ce7-4a88-90c2-e7b6d02b5785/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:28:04,198 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36557ed3-3ce7-4a88-90c2-e7b6d02b5785/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:28:04,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36557ed3-3ce7-4a88-90c2-e7b6d02b5785/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:28:04,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 03:28:04,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 03:28:04,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 03:28:04,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-29 03:28:04,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:28:04,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-29 03:28:04,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 03:28:04,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:28:04,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:28:04,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:28:04,855 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:28:04,856 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-29 03:28:04,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:28:04 BoogieIcfgContainer [2021-10-29 03:28:04,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:28:04,860 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:28:04,860 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:28:04,871 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:28:04,871 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:28:04" (1/1) ... [2021-10-29 03:28:04,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:28:04,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:04,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 47 states and 59 transitions. [2021-10-29 03:28:04,918 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2021-10-29 03:28:04,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 03:28:04,920 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:04,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:05,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:05,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:05,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 47 states and 58 transitions. [2021-10-29 03:28:05,053 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 58 transitions. [2021-10-29 03:28:05,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:28:05,053 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:05,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:05,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:05,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:05,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 51 states and 75 transitions. [2021-10-29 03:28:05,142 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2021-10-29 03:28:05,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:28:05,143 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:05,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:05,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:05,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:05,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:05,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 54 states and 90 transitions. [2021-10-29 03:28:05,350 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 90 transitions. [2021-10-29 03:28:05,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:28:05,352 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:05,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:05,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:05,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:05,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:05,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 53 states and 89 transitions. [2021-10-29 03:28:05,469 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 89 transitions. [2021-10-29 03:28:05,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:28:05,470 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:05,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:05,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:05,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:05,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:05,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 52 states and 88 transitions. [2021-10-29 03:28:05,707 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 88 transitions. [2021-10-29 03:28:05,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:28:05,708 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:05,709 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:05,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:05,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:05,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 56 states and 106 transitions. [2021-10-29 03:28:05,978 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 106 transitions. [2021-10-29 03:28:05,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:28:05,978 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:05,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:06,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:06,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:06,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 55 states and 105 transitions. [2021-10-29 03:28:06,056 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 105 transitions. [2021-10-29 03:28:06,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:28:06,058 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:06,059 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:06,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:06,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:06,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:06,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 54 states and 104 transitions. [2021-10-29 03:28:06,149 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 104 transitions. [2021-10-29 03:28:06,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 03:28:06,151 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:06,152 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:06,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:06,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:06,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 58 states and 122 transitions. [2021-10-29 03:28:06,554 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 122 transitions. [2021-10-29 03:28:06,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:28:06,555 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:06,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:06,587 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:28:06,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:06,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 60 states and 125 transitions. [2021-10-29 03:28:06,781 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 125 transitions. [2021-10-29 03:28:06,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:28:06,783 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:06,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:06,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:28:07,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:07,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 62 states and 128 transitions. [2021-10-29 03:28:07,018 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 128 transitions. [2021-10-29 03:28:07,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 03:28:07,019 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:07,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:07,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:07,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:07,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 64 states and 138 transitions. [2021-10-29 03:28:07,726 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 138 transitions. [2021-10-29 03:28:07,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 03:28:07,727 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:07,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:07,778 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:28:08,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:08,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 67 states and 143 transitions. [2021-10-29 03:28:08,147 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 143 transitions. [2021-10-29 03:28:08,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 03:28:08,148 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:08,148 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:08,170 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:28:08,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:08,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 68 states and 143 transitions. [2021-10-29 03:28:08,321 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 143 transitions. [2021-10-29 03:28:08,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 03:28:08,322 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:08,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:08,429 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:09,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:09,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 74 states and 170 transitions. [2021-10-29 03:28:09,211 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 170 transitions. [2021-10-29 03:28:09,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:28:09,212 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:09,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:09,233 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:09,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:09,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 80 states and 197 transitions. [2021-10-29 03:28:09,877 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 197 transitions. [2021-10-29 03:28:09,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:28:09,878 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:09,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:09,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:10,032 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:11,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:11,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 86 states and 229 transitions. [2021-10-29 03:28:11,083 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 229 transitions. [2021-10-29 03:28:11,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:28:11,084 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:11,085 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:11,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:11,126 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:11,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:11,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 88 states and 244 transitions. [2021-10-29 03:28:11,559 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 244 transitions. [2021-10-29 03:28:11,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:28:11,560 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:11,560 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:11,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:11,579 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:11,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:11,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 90 states and 255 transitions. [2021-10-29 03:28:11,818 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 255 transitions. [2021-10-29 03:28:11,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:28:11,819 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:11,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:11,840 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:28:12,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:12,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 95 states and 273 transitions. [2021-10-29 03:28:12,749 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 273 transitions. [2021-10-29 03:28:12,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:28:12,750 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:12,750 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:12,773 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:28:13,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:13,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 98 states and 288 transitions. [2021-10-29 03:28:13,301 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 288 transitions. [2021-10-29 03:28:13,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:28:13,302 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:13,302 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:13,321 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:28:13,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:13,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 101 states and 296 transitions. [2021-10-29 03:28:13,994 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 296 transitions. [2021-10-29 03:28:13,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:28:13,995 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:13,995 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:14,015 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:28:14,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:14,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 104 states and 302 transitions. [2021-10-29 03:28:14,606 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 302 transitions. [2021-10-29 03:28:14,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:28:14,607 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:14,607 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:14,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:14,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:14,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 107 states and 318 transitions. [2021-10-29 03:28:14,696 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 318 transitions. [2021-10-29 03:28:14,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:28:14,697 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:14,697 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:14,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:14,738 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:28:15,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:15,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 109 states and 322 transitions. [2021-10-29 03:28:15,191 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 322 transitions. [2021-10-29 03:28:15,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:28:15,192 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:15,192 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:15,211 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:15,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:15,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 112 states and 337 transitions. [2021-10-29 03:28:15,252 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 337 transitions. [2021-10-29 03:28:15,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:28:15,253 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:15,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:15,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:16,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:16,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 120 states and 389 transitions. [2021-10-29 03:28:16,592 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 389 transitions. [2021-10-29 03:28:16,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:28:16,593 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:16,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:16,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:16,613 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-29 03:28:16,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:16,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 121 states and 394 transitions. [2021-10-29 03:28:16,911 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 394 transitions. [2021-10-29 03:28:16,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:28:16,912 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:16,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:16,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:16,937 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:28:17,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:17,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 122 states and 397 transitions. [2021-10-29 03:28:17,158 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 397 transitions. [2021-10-29 03:28:17,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:28:17,159 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:17,159 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:17,182 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:17,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:17,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 124 states and 408 transitions. [2021-10-29 03:28:17,566 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 408 transitions. [2021-10-29 03:28:17,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:28:17,567 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:17,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:17,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:17,587 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-29 03:28:18,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:18,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 126 states and 421 transitions. [2021-10-29 03:28:18,262 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 421 transitions. [2021-10-29 03:28:18,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:28:18,263 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:18,264 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:18,315 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:28:18,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:18,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 128 states and 435 transitions. [2021-10-29 03:28:18,630 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 435 transitions. [2021-10-29 03:28:18,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:28:18,631 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:18,631 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:18,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:18,655 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:28:19,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:19,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 130 states and 437 transitions. [2021-10-29 03:28:19,099 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 437 transitions. [2021-10-29 03:28:19,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:28:19,099 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:19,100 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:19,117 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:28:19,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:19,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 132 states and 439 transitions. [2021-10-29 03:28:19,145 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 439 transitions. [2021-10-29 03:28:19,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:28:19,146 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:19,146 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:19,165 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:28:19,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:19,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 134 states and 441 transitions. [2021-10-29 03:28:19,196 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 441 transitions. [2021-10-29 03:28:19,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:28:19,197 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:19,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:19,553 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:28:20,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:20,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 135 states and 450 transitions. [2021-10-29 03:28:20,835 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 450 transitions. [2021-10-29 03:28:20,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:28:20,836 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:20,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:20,862 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:28:21,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:21,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 138 states and 457 transitions. [2021-10-29 03:28:21,845 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 457 transitions. [2021-10-29 03:28:21,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:28:21,845 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:21,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:21,867 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:28:22,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:22,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 139 states and 460 transitions. [2021-10-29 03:28:22,221 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 460 transitions. [2021-10-29 03:28:22,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:28:22,222 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:22,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:22,460 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:24,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:24,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 145 states and 483 transitions. [2021-10-29 03:28:24,770 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 483 transitions. [2021-10-29 03:28:24,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:28:24,771 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:24,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:24,837 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:28:25,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:25,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 146 states and 484 transitions. [2021-10-29 03:28:25,225 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 484 transitions. [2021-10-29 03:28:25,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:28:25,225 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:25,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:25,249 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:28:25,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:25,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 147 states and 486 transitions. [2021-10-29 03:28:25,548 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 486 transitions. [2021-10-29 03:28:25,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:28:25,549 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:25,549 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:25,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:25,673 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:26,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:26,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 149 states and 498 transitions. [2021-10-29 03:28:26,510 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 498 transitions. [2021-10-29 03:28:26,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:28:26,510 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:26,511 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:26,538 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:28:26,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:26,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 150 states and 498 transitions. [2021-10-29 03:28:26,891 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 498 transitions. [2021-10-29 03:28:26,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:28:26,892 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:26,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:26,914 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:28:27,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:27,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 151 states and 498 transitions. [2021-10-29 03:28:27,320 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 498 transitions. [2021-10-29 03:28:27,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:28:27,321 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:27,321 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:27,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:28,134 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:30,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:30,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 160 states and 545 transitions. [2021-10-29 03:28:30,909 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 545 transitions. [2021-10-29 03:28:30,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:28:30,909 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:30,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:30,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:30,926 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:28:31,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:31,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 161 states and 546 transitions. [2021-10-29 03:28:31,329 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 546 transitions. [2021-10-29 03:28:31,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:28:31,329 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:31,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:31,352 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:28:31,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:31,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 162 states and 547 transitions. [2021-10-29 03:28:31,736 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 547 transitions. [2021-10-29 03:28:31,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 03:28:31,737 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:31,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:31,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:32,109 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:33,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:33,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 164 states and 549 transitions. [2021-10-29 03:28:33,311 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 549 transitions. [2021-10-29 03:28:33,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 03:28:33,311 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:33,311 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:33,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:33,347 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:28:34,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:34,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 167 states and 574 transitions. [2021-10-29 03:28:34,621 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 574 transitions. [2021-10-29 03:28:34,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 03:28:34,622 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:34,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:34,645 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:28:36,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:36,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 169 states and 594 transitions. [2021-10-29 03:28:36,053 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 594 transitions. [2021-10-29 03:28:36,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 03:28:36,053 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:36,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:36,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:36,078 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:28:36,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:36,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 172 states and 596 transitions. [2021-10-29 03:28:36,940 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 596 transitions. [2021-10-29 03:28:36,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 03:28:36,941 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:36,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:36,959 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:28:36,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:36,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 174 states and 598 transitions. [2021-10-29 03:28:36,988 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 598 transitions. [2021-10-29 03:28:36,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 03:28:36,989 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:36,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:36,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:37,011 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:28:37,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:37,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 175 states and 599 transitions. [2021-10-29 03:28:37,537 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 599 transitions. [2021-10-29 03:28:37,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 03:28:37,538 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:37,538 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:37,561 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:28:38,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:38,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 176 states and 600 transitions. [2021-10-29 03:28:38,150 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 600 transitions. [2021-10-29 03:28:38,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 03:28:38,151 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:38,151 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:38,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:38,194 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:28:39,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:39,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 179 states and 616 transitions. [2021-10-29 03:28:39,328 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 616 transitions. [2021-10-29 03:28:39,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 03:28:39,328 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:39,329 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:39,516 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:28:40,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:40,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 179 states and 613 transitions. [2021-10-29 03:28:40,087 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 613 transitions. [2021-10-29 03:28:40,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 03:28:40,087 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:40,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:40,108 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:28:40,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:40,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 179 states and 610 transitions. [2021-10-29 03:28:40,569 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 610 transitions. [2021-10-29 03:28:40,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 03:28:40,569 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:40,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:40,590 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:28:41,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:41,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 181 states and 622 transitions. [2021-10-29 03:28:41,676 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 622 transitions. [2021-10-29 03:28:41,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 03:28:41,677 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:41,677 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:42,561 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:47,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:47,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 192 states and 696 transitions. [2021-10-29 03:28:47,214 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 696 transitions. [2021-10-29 03:28:47,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 03:28:47,215 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:47,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:47,232 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:28:47,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:47,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 193 states and 697 transitions. [2021-10-29 03:28:47,775 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 697 transitions. [2021-10-29 03:28:47,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:28:47,776 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:47,780 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:47,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:47,802 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:28:49,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:49,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 196 states and 701 transitions. [2021-10-29 03:28:49,405 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 701 transitions. [2021-10-29 03:28:49,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:28:49,406 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:49,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:49,454 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 03:28:51,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:51,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 202 states and 727 transitions. [2021-10-29 03:28:51,862 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 727 transitions. [2021-10-29 03:28:51,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:28:51,863 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:51,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:51,885 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 03:28:52,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:52,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 203 states and 727 transitions. [2021-10-29 03:28:52,383 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 727 transitions. [2021-10-29 03:28:52,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:28:52,383 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:52,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:52,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:52,405 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-29 03:28:52,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:52,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 204 states and 729 transitions. [2021-10-29 03:28:52,682 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 729 transitions. [2021-10-29 03:28:52,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:28:52,683 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:52,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:52,703 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-29 03:28:54,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:54,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 207 states and 741 transitions. [2021-10-29 03:28:54,378 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 741 transitions. [2021-10-29 03:28:54,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:28:54,378 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:54,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:54,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:54,776 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:28:57,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:57,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 212 states and 759 transitions. [2021-10-29 03:28:57,076 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 759 transitions. [2021-10-29 03:28:57,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:28:57,076 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:57,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:57,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:57,099 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 03:28:57,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:57,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 213 states and 759 transitions. [2021-10-29 03:28:57,456 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 759 transitions. [2021-10-29 03:28:57,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:28:57,457 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:57,457 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:57,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:57,590 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:28:59,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:59,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 217 states and 777 transitions. [2021-10-29 03:28:59,288 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 777 transitions. [2021-10-29 03:28:59,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:28:59,289 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:59,289 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:59,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:59,414 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:29:01,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:01,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 220 states and 790 transitions. [2021-10-29 03:29:01,080 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 790 transitions. [2021-10-29 03:29:01,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:29:01,080 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:01,080 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:01,270 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:29:01,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:01,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 220 states and 788 transitions. [2021-10-29 03:29:01,841 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 788 transitions. [2021-10-29 03:29:01,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:29:01,842 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:01,842 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:01,862 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:29:02,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:02,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 222 states and 791 transitions. [2021-10-29 03:29:02,800 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 791 transitions. [2021-10-29 03:29:02,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:29:02,801 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:02,801 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:02,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:02,829 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:29:03,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:03,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 222 states and 779 transitions. [2021-10-29 03:29:03,174 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 779 transitions. [2021-10-29 03:29:03,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:29:03,175 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:03,176 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:03,197 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:29:04,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:04,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 224 states and 781 transitions. [2021-10-29 03:29:04,251 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 781 transitions. [2021-10-29 03:29:04,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:29:04,252 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:04,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:04,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:04,272 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:29:05,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:05,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 226 states and 783 transitions. [2021-10-29 03:29:05,339 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 783 transitions. [2021-10-29 03:29:05,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:29:05,340 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:05,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:05,360 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:29:06,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:06,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 228 states and 785 transitions. [2021-10-29 03:29:06,447 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 785 transitions. [2021-10-29 03:29:06,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:29:06,447 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:06,448 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:06,913 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:29:08,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:08,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 228 states and 770 transitions. [2021-10-29 03:29:08,746 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 770 transitions. [2021-10-29 03:29:08,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:29:08,747 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:08,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:08,804 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:29:15,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:15,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 240 states and 814 transitions. [2021-10-29 03:29:15,574 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 814 transitions. [2021-10-29 03:29:15,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:29:15,575 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:15,575 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:15,632 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:29:19,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:19,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 247 states and 849 transitions. [2021-10-29 03:29:19,205 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 849 transitions. [2021-10-29 03:29:19,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:29:19,205 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:19,206 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:19,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:19,235 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:29:23,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:23,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 252 states and 866 transitions. [2021-10-29 03:29:23,042 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 866 transitions. [2021-10-29 03:29:23,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:29:23,043 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:23,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:23,071 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:29:23,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:23,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 254 states and 876 transitions. [2021-10-29 03:29:23,829 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 876 transitions. [2021-10-29 03:29:23,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:29:23,829 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:23,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:23,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:23,880 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:29:24,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:24,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 257 states and 879 transitions. [2021-10-29 03:29:24,650 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 879 transitions. [2021-10-29 03:29:24,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:29:24,651 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:24,651 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:24,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:24,686 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:29:25,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:25,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 260 states and 883 transitions. [2021-10-29 03:29:25,541 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 883 transitions. [2021-10-29 03:29:25,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:29:25,541 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:25,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:26,611 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:29:32,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:32,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 266 states and 906 transitions. [2021-10-29 03:29:32,584 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 906 transitions. [2021-10-29 03:29:32,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:29:32,584 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:32,584 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:32,605 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-10-29 03:29:32,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:32,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 267 states and 909 transitions. [2021-10-29 03:29:32,665 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 909 transitions. [2021-10-29 03:29:32,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:29:32,666 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:32,666 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:32,704 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:29:33,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:33,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 269 states and 922 transitions. [2021-10-29 03:29:33,557 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 922 transitions. [2021-10-29 03:29:33,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:29:33,696 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:33,696 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:33,738 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 03:29:35,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:35,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 272 states and 927 transitions. [2021-10-29 03:29:35,935 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 927 transitions. [2021-10-29 03:29:35,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:29:35,936 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:35,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:35,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:35,953 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:29:35,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:35,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 274 states and 930 transitions. [2021-10-29 03:29:35,991 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 930 transitions. [2021-10-29 03:29:35,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:29:35,991 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:35,992 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:36,015 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:29:37,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:37,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 276 states and 931 transitions. [2021-10-29 03:29:37,895 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 931 transitions. [2021-10-29 03:29:37,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:29:37,895 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:37,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:37,916 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:29:39,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:39,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 278 states and 933 transitions. [2021-10-29 03:29:39,662 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 933 transitions. [2021-10-29 03:29:39,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:29:39,662 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:39,663 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:39,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:39,686 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-10-29 03:29:41,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:41,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 280 states and 934 transitions. [2021-10-29 03:29:41,451 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 934 transitions. [2021-10-29 03:29:41,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:29:41,451 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:41,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:41,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:41,472 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-29 03:29:43,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:43,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 282 states and 936 transitions. [2021-10-29 03:29:43,095 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 936 transitions. [2021-10-29 03:29:43,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:29:43,096 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:43,096 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:43,117 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:29:43,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:43,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 284 states and 938 transitions. [2021-10-29 03:29:43,179 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 938 transitions. [2021-10-29 03:29:43,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 03:29:43,180 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:43,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:43,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:43,202 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 03:29:43,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:43,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 285 states and 938 transitions. [2021-10-29 03:29:43,675 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 938 transitions. [2021-10-29 03:29:43,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 03:29:43,675 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:43,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:43,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:44,021 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:29:52,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:52,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 295 states and 991 transitions. [2021-10-29 03:29:52,155 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 991 transitions. [2021-10-29 03:29:52,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 03:29:52,155 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:52,155 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:52,174 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:29:53,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:53,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 298 states and 1001 transitions. [2021-10-29 03:29:53,426 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 1001 transitions. [2021-10-29 03:29:53,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 03:29:53,428 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:53,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:53,453 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:29:54,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:54,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 299 states and 1002 transitions. [2021-10-29 03:29:54,187 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 1002 transitions. [2021-10-29 03:29:54,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 03:29:54,187 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:54,187 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:54,228 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:29:55,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:55,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 301 states and 1012 transitions. [2021-10-29 03:29:55,225 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 1012 transitions. [2021-10-29 03:29:55,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 03:29:55,226 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:55,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:55,269 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:29:56,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:56,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 304 states and 1015 transitions. [2021-10-29 03:29:56,319 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 1015 transitions. [2021-10-29 03:29:56,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 03:29:56,320 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:56,320 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:56,340 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-29 03:29:58,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:58,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 306 states and 1017 transitions. [2021-10-29 03:29:58,033 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 1017 transitions. [2021-10-29 03:29:58,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 03:29:58,034 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:58,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:58,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:58,057 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-29 03:29:58,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:58,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 307 states and 1017 transitions. [2021-10-29 03:29:58,819 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 1017 transitions. [2021-10-29 03:29:58,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 03:29:58,819 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:58,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:58,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:58,839 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:30:02,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:02,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 312 states and 1036 transitions. [2021-10-29 03:30:02,042 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 1036 transitions. [2021-10-29 03:30:02,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 03:30:02,144 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:02,144 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:02,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:02,170 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:30:03,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:03,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 314 states and 1038 transitions. [2021-10-29 03:30:03,630 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 1038 transitions. [2021-10-29 03:30:03,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:30:03,631 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:03,631 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:03,661 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:30:05,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:05,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 316 states and 1036 transitions. [2021-10-29 03:30:05,932 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 1036 transitions. [2021-10-29 03:30:05,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:30:05,933 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:05,933 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:05,962 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:30:08,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:08,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 318 states and 1037 transitions. [2021-10-29 03:30:08,014 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 1037 transitions. [2021-10-29 03:30:08,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:30:08,014 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:08,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:08,054 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 03:30:10,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:10,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 322 states and 1059 transitions. [2021-10-29 03:30:10,542 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 1059 transitions. [2021-10-29 03:30:10,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:30:10,543 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:10,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:10,579 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 03:30:12,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:12,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 325 states and 1070 transitions. [2021-10-29 03:30:12,973 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 1070 transitions. [2021-10-29 03:30:12,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:30:12,974 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:12,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:13,013 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-29 03:30:14,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:14,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 326 states and 1070 transitions. [2021-10-29 03:30:14,968 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 1070 transitions. [2021-10-29 03:30:14,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 03:30:14,968 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:14,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:14,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:14,993 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:30:16,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:16,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 329 states and 1088 transitions. [2021-10-29 03:30:16,709 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 1088 transitions. [2021-10-29 03:30:16,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 03:30:16,709 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:16,709 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:17,240 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:30:24,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:24,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 339 states and 1122 transitions. [2021-10-29 03:30:24,857 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 1122 transitions. [2021-10-29 03:30:24,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 03:30:24,857 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:24,857 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:25,047 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:30:28,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:28,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 344 states and 1143 transitions. [2021-10-29 03:30:28,789 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 1143 transitions. [2021-10-29 03:30:28,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 03:30:28,790 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:28,790 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:28,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:28,983 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:30:29,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:29,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 345 states and 1145 transitions. [2021-10-29 03:30:29,973 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 1145 transitions. [2021-10-29 03:30:29,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 03:30:29,974 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:29,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:30,010 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:30:32,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:32,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 347 states and 1152 transitions. [2021-10-29 03:30:32,206 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 1152 transitions. [2021-10-29 03:30:32,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 03:30:32,207 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:32,207 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:32,428 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 03:30:35,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:35,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 350 states and 1155 transitions. [2021-10-29 03:30:35,646 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 1155 transitions. [2021-10-29 03:30:35,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 03:30:35,647 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:35,647 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:35,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:35,674 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 03:30:38,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:38,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 353 states and 1157 transitions. [2021-10-29 03:30:38,304 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 1157 transitions. [2021-10-29 03:30:38,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 03:30:38,305 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:38,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:38,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:38,452 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 03:30:38,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:38,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 352 states and 1154 transitions. [2021-10-29 03:30:38,908 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 1154 transitions. [2021-10-29 03:30:38,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 03:30:38,909 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:38,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:38,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:40,080 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:30:47,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:47,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 359 states and 1179 transitions. [2021-10-29 03:30:47,158 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 1179 transitions. [2021-10-29 03:30:47,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 03:30:47,158 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:47,159 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:47,192 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:30:48,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:48,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 361 states and 1190 transitions. [2021-10-29 03:30:48,961 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 1190 transitions. [2021-10-29 03:30:48,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 03:30:48,962 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:48,962 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:49,121 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 29 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 03:30:49,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:49,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 360 states and 1186 transitions. [2021-10-29 03:30:49,654 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 1186 transitions. [2021-10-29 03:30:49,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 03:30:49,655 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:49,655 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:49,674 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 03:30:51,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:51,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 363 states and 1188 transitions. [2021-10-29 03:30:51,717 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 1188 transitions. [2021-10-29 03:30:51,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 03:30:51,718 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:51,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:51,738 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-10-29 03:30:51,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:51,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 364 states and 1190 transitions. [2021-10-29 03:30:51,834 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 1190 transitions. [2021-10-29 03:30:51,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 03:30:51,835 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:51,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:52,603 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-29 03:30:56,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:56,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 364 states and 1155 transitions. [2021-10-29 03:30:56,284 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 1155 transitions. [2021-10-29 03:30:56,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 03:30:56,284 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:56,284 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:56,320 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:31:00,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:00,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 367 states and 1147 transitions. [2021-10-29 03:31:00,019 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 1147 transitions. [2021-10-29 03:31:00,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 03:31:00,019 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:00,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:00,040 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-29 03:31:01,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:01,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 368 states and 1149 transitions. [2021-10-29 03:31:01,168 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 1149 transitions. [2021-10-29 03:31:01,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 03:31:01,169 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:01,169 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:01,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:01,192 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 03:31:03,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:03,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 370 states and 1151 transitions. [2021-10-29 03:31:03,504 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 1151 transitions. [2021-10-29 03:31:03,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 03:31:03,505 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:03,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:03,729 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-29 03:31:05,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:06,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 372 states and 1152 transitions. [2021-10-29 03:31:06,000 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 1152 transitions. [2021-10-29 03:31:06,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 03:31:06,000 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:06,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:06,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:06,039 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 03:31:08,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:08,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 374 states and 1153 transitions. [2021-10-29 03:31:08,415 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 1153 transitions. [2021-10-29 03:31:08,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 03:31:08,416 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:08,416 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:08,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:08,451 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 03:31:11,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:11,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 376 states and 1154 transitions. [2021-10-29 03:31:11,158 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 1154 transitions. [2021-10-29 03:31:11,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 03:31:11,159 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:11,159 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:11,195 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 03:31:13,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:13,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 378 states and 1155 transitions. [2021-10-29 03:31:13,593 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 1155 transitions. [2021-10-29 03:31:13,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 03:31:13,593 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:13,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:13,615 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-29 03:31:16,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:16,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 383 states and 1159 transitions. [2021-10-29 03:31:16,011 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 1159 transitions. [2021-10-29 03:31:16,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 03:31:16,012 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:16,012 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:16,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:16,045 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 03:31:19,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:19,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 387 states and 1180 transitions. [2021-10-29 03:31:19,456 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 1180 transitions. [2021-10-29 03:31:19,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 03:31:19,457 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:19,457 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:19,493 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 03:31:22,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:22,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 390 states and 1190 transitions. [2021-10-29 03:31:22,627 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 1190 transitions. [2021-10-29 03:31:22,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 03:31:22,627 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:22,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:22,657 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 28 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-10-29 03:31:25,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:25,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 390 states and 1188 transitions. [2021-10-29 03:31:25,138 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 1188 transitions. [2021-10-29 03:31:25,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 03:31:25,139 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:25,140 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:25,364 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-29 03:31:34,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:34,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 400 states and 1218 transitions. [2021-10-29 03:31:34,296 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 1218 transitions. [2021-10-29 03:31:34,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 03:31:34,297 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:34,297 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:34,323 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 10 proven. 13 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-29 03:31:37,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:37,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 403 states and 1231 transitions. [2021-10-29 03:31:37,932 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 1231 transitions. [2021-10-29 03:31:37,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 03:31:37,933 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:37,933 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:37,961 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 10 proven. 13 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-29 03:31:39,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:39,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 405 states and 1238 transitions. [2021-10-29 03:31:39,386 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 1238 transitions. [2021-10-29 03:31:39,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 03:31:39,387 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:39,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:39,596 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-29 03:31:40,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:40,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 407 states and 1249 transitions. [2021-10-29 03:31:40,897 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 1249 transitions. [2021-10-29 03:31:40,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 03:31:40,897 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:40,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:40,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:41,137 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-29 03:31:44,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:44,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 410 states and 1256 transitions. [2021-10-29 03:31:44,687 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 1256 transitions. [2021-10-29 03:31:44,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 03:31:44,688 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:44,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:44,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:44,747 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 03:31:47,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:47,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 413 states and 1259 transitions. [2021-10-29 03:31:47,454 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 1259 transitions. [2021-10-29 03:31:47,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 03:31:47,454 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:47,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:47,478 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 10 proven. 22 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 03:31:50,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:50,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 416 states and 1261 transitions. [2021-10-29 03:31:50,337 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 1261 transitions. [2021-10-29 03:31:50,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 03:31:50,337 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:50,337 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:50,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:53,270 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 03:32:08,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:32:08,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1313 states to 431 states and 1313 transitions. [2021-10-29 03:32:08,642 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 1313 transitions. [2021-10-29 03:32:08,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 03:32:08,643 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:32:08,643 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:32:08,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:32:08,709 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 03:32:12,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:32:12,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 435 states and 1335 transitions. [2021-10-29 03:32:12,189 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 1335 transitions. [2021-10-29 03:32:12,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 03:32:12,189 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:32:12,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:32:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:32:12,213 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-10-29 03:32:14,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:32:14,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 440 states and 1339 transitions. [2021-10-29 03:32:14,867 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 1339 transitions. [2021-10-29 03:32:14,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 03:32:14,867 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:32:14,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:32:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:32:15,089 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-10-29 03:32:18,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:32:18,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 442 states and 1340 transitions. [2021-10-29 03:32:18,098 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 1340 transitions. [2021-10-29 03:32:18,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 03:32:18,099 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:32:18,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:32:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:32:18,277 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-10-29 03:32:23,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:32:23,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 444 states and 1345 transitions. [2021-10-29 03:32:23,885 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 1345 transitions. [2021-10-29 03:32:23,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 03:32:23,886 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:32:23,886 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:32:23,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:32:24,106 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-10-29 03:32:27,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:32:27,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 447 states and 1347 transitions. [2021-10-29 03:32:27,509 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 1347 transitions. [2021-10-29 03:32:27,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 03:32:27,510 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:32:27,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:32:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:32:27,549 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-29 03:32:30,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:32:30,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 449 states and 1348 transitions. [2021-10-29 03:32:30,334 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 1348 transitions. [2021-10-29 03:32:30,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 03:32:30,334 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:32:30,334 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:32:30,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:32:30,366 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-29 03:32:33,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:32:33,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 451 states and 1349 transitions. [2021-10-29 03:32:33,557 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 1349 transitions. [2021-10-29 03:32:33,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 03:32:33,557 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:32:33,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:32:33,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:32:33,594 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-29 03:32:37,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:32:37,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 453 states and 1350 transitions. [2021-10-29 03:32:37,006 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 1350 transitions. [2021-10-29 03:32:37,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-29 03:32:37,006 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:32:37,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:32:37,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:32:37,030 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-10-29 03:32:38,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:32:38,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 457 states and 1353 transitions. [2021-10-29 03:32:38,434 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 1353 transitions. [2021-10-29 03:32:38,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-29 03:32:38,435 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:32:38,435 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:32:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:32:38,463 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-10-29 03:32:47,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:32:47,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 465 states and 1404 transitions. [2021-10-29 03:32:47,333 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 1404 transitions. [2021-10-29 03:32:47,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-29 03:32:47,333 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:32:47,334 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:32:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:32:47,386 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-10-29 03:32:49,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:32:49,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 467 states and 1413 transitions. [2021-10-29 03:32:49,826 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 1413 transitions. [2021-10-29 03:32:49,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-29 03:32:49,827 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:32:49,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:32:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:32:49,846 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-10-29 03:32:52,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:32:52,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 472 states and 1418 transitions. [2021-10-29 03:32:52,569 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 1418 transitions. [2021-10-29 03:32:52,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-29 03:32:52,570 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:32:52,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:32:52,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:32:52,749 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-29 03:33:02,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:02,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 484 states and 1454 transitions. [2021-10-29 03:33:02,356 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 1454 transitions. [2021-10-29 03:33:02,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-29 03:33:02,357 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:02,357 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:02,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:02,562 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-29 03:33:09,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:09,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 489 states and 1473 transitions. [2021-10-29 03:33:09,479 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 1473 transitions. [2021-10-29 03:33:09,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-29 03:33:09,479 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:09,479 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:09,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:09,658 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-10-29 03:33:12,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:12,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 494 states and 1477 transitions. [2021-10-29 03:33:12,617 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 1477 transitions. [2021-10-29 03:33:12,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-29 03:33:12,617 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:12,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:12,632 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-10-29 03:33:13,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:13,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 495 states and 1484 transitions. [2021-10-29 03:33:13,561 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 1484 transitions. [2021-10-29 03:33:13,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-29 03:33:13,561 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:13,562 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:13,584 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-10-29 03:33:14,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:14,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 496 states and 1494 transitions. [2021-10-29 03:33:14,621 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 1494 transitions. [2021-10-29 03:33:14,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-29 03:33:14,622 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:14,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:14,973 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-10-29 03:33:21,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:21,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 499 states and 1503 transitions. [2021-10-29 03:33:21,593 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 1503 transitions. [2021-10-29 03:33:21,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-29 03:33:21,594 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:21,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:21,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:21,787 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-10-29 03:33:28,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:28,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 503 states and 1510 transitions. [2021-10-29 03:33:28,174 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 1510 transitions. [2021-10-29 03:33:28,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-29 03:33:28,175 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:28,175 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:28,371 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-10-29 03:33:31,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:31,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 506 states and 1512 transitions. [2021-10-29 03:33:31,861 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 1512 transitions. [2021-10-29 03:33:31,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-29 03:33:31,862 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:31,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:31,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:33:31,879 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:33:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:33:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:33:31,992 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:33:32,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:33:32,103 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 161 iterations. [2021-10-29 03:33:32,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:33:32 ImpRootNode [2021-10-29 03:33:32,263 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:33:32,266 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:33:32,266 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:33:32,266 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:33:32,267 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:28:04" (3/4) ... [2021-10-29 03:33:32,270 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-29 03:33:32,270 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:33:32,272 INFO L168 Benchmark]: Toolchain (without parser) took 328850.16 ms. Allocated memory was 121.6 MB in the beginning and 3.3 GB in the end (delta: 3.2 GB). Free memory was 85.4 MB in the beginning and 2.8 GB in the end (delta: -2.8 GB). Peak memory consumption was 440.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:33:32,272 INFO L168 Benchmark]: CDTParser took 0.60 ms. Allocated memory is still 88.1 MB. Free memory was 60.2 MB in the beginning and 60.1 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:33:32,273 INFO L168 Benchmark]: CACSL2BoogieTranslator took 573.06 ms. Allocated memory is still 121.6 MB. Free memory was 85.1 MB in the beginning and 88.6 MB in the end (delta: -3.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:33:32,273 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.65 ms. Allocated memory is still 121.6 MB. Free memory was 88.6 MB in the beginning and 86.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:33:32,274 INFO L168 Benchmark]: Boogie Preprocessor took 76.88 ms. Allocated memory is still 121.6 MB. Free memory was 86.5 MB in the beginning and 85.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:33:32,274 INFO L168 Benchmark]: RCFGBuilder took 713.10 ms. Allocated memory is still 121.6 MB. Free memory was 84.5 MB in the beginning and 63.1 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-29 03:33:32,275 INFO L168 Benchmark]: CodeCheck took 327406.25 ms. Allocated memory was 121.6 MB in the beginning and 3.3 GB in the end (delta: 3.2 GB). Free memory was 62.5 MB in the beginning and 2.8 GB in the end (delta: -2.8 GB). Peak memory consumption was 419.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:33:32,275 INFO L168 Benchmark]: Witness Printer took 3.86 ms. Allocated memory is still 3.3 GB. Free memory is still 2.8 GB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:33:32,277 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 47 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 327.2s, OverallIterations: 161, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, -594562696 SDslu, -1455395648 SDs, 0 SdLazy, 1655841052 SolverSat, -647892092 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 411.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 69241 GetRequests, 66143 SyntacticMatches, 1536 SemanticMatches, 1562 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1248680 ImplicationChecksByTransitivity, 311.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 17.3s InterpolantComputationTime, 3889 NumberOfCodeBlocks, 3889 NumberOfCodeBlocksAsserted, 161 NumberOfCheckSat, 3684 ConstructedInterpolants, 0 QuantifiedInterpolants, 21203 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 160 InterpolantComputations, 72 PerfectInterpolantSequences, 2977/4280 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 592]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 592. Possible FailurePath: [L528] struct cell *S; [L529] int pc1 = 1; [L530] int pc4 = 1; [L531] static struct cell *t1 = ((void *)0); [L532] static struct cell *x1 = ((void *)0); [L561] struct cell* garbage; [L562] static struct cell *t4 = ((void *)0); [L563] static struct cell *x4 = ((void *)0); [L566] static int res4; [L594] 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() [L594] 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() VAL [garbage={0:0}, pc1=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L594] COND TRUE 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() [L595] COND TRUE __VERIFIER_nondet_int() [L535] pc1++ [L536] case 1: [L537] x1 = malloc(sizeof(*x1)) [L538] x1->data = 0 VAL [garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={16162:0}, x4={0:0}] [L539] x1->next = ((void *)0) VAL [garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={16162:0}, x4={0:0}] [L594] 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() VAL [garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={16162:0}, x4={0:0}] [L594] COND TRUE 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() [L595] COND TRUE __VERIFIER_nondet_int() [L535] pc1++ [L536] case 1: [L541] case 2: VAL [garbage={0:0}, pc1=3, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={16162:0}, x4={0:0}] [L542] x1->data = 4 VAL [garbage={0:0}, pc1=3, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={16162:0}, x4={0:0}] [L594] 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() VAL [garbage={0:0}, pc1=3, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={16162:0}, x4={0:0}] [L594] COND TRUE 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() [L595] COND TRUE __VERIFIER_nondet_int() [L535] pc1++ [L536] case 1: [L541] case 2: [L544] case 3: [L545] t1 = S VAL [garbage={0:0}, pc1=4, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={16162:0}, x4={0:0}] [L594] 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() VAL [garbage={0:0}, pc1=4, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={16162:0}, x4={0:0}] [L594] COND TRUE 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() [L595] COND TRUE __VERIFIER_nondet_int() [L535] pc1++ [L536] case 1: [L541] case 2: [L544] case 3: [L547] case 4: VAL [garbage={0:0}, pc1=5, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={16162:0}, x4={0:0}] [L548] x1->next = t1 VAL [garbage={0:0}, pc1=5, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={16162:0}, x4={0:0}] [L594] 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() VAL [garbage={0:0}, pc1=5, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={16162:0}, x4={0:0}] [L594] COND TRUE 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() [L595] COND TRUE __VERIFIER_nondet_int() [L535] pc1++ [L536] case 1: [L541] case 2: [L544] case 3: [L547] case 4: [L550] case 5: [L551] COND TRUE S == t1 [L552] S = x1 VAL [garbage={0:0}, pc1=6, pc4=1, res4=0, S={16162:0}, t1={0:0}, t4={0:0}, x1={16162:0}, x4={0:0}] [L594] 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() VAL [garbage={0:0}, pc1=6, pc4=1, res4=0, S={16162:0}, t1={0:0}, t4={0:0}, x1={16162:0}, x4={0:0}] [L594] COND TRUE 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() [L595] COND TRUE __VERIFIER_nondet_int() [L535] pc1++ [L536] case 1: [L541] case 2: [L544] case 3: [L547] case 4: [L550] case 5: [L556] case 6: [L557] pc1 = 1 VAL [garbage={0:0}, pc1=1, pc4=1, res4=0, S={16162:0}, t1={0:0}, t4={0:0}, x1={16162:0}, x4={0:0}] [L594] 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() [L594] 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() VAL [garbage={0:0}, pc1=1, pc4=1, res4=0, S={16162:0}, t1={0:0}, t4={0:0}, x1={16162:0}, x4={0:0}] [L594] COND FALSE !(1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int()) [L600] COND FALSE !(\read(*garbage)) [L605] S = ((void *)0) [L606] t1 = ((void *)0) [L607] x1 = ((void *)0) [L608] t4 = ((void *)0) [L609] x4 = ((void *)0) [L610] return !!garbage; VAL [garbage={0:0}, pc1=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60 ms. Allocated memory is still 88.1 MB. Free memory was 60.2 MB in the beginning and 60.1 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 573.06 ms. Allocated memory is still 121.6 MB. Free memory was 85.1 MB in the beginning and 88.6 MB in the end (delta: -3.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.65 ms. Allocated memory is still 121.6 MB. Free memory was 88.6 MB in the beginning and 86.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 76.88 ms. Allocated memory is still 121.6 MB. Free memory was 86.5 MB in the beginning and 85.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 713.10 ms. Allocated memory is still 121.6 MB. Free memory was 84.5 MB in the beginning and 63.1 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * CodeCheck took 327406.25 ms. Allocated memory was 121.6 MB in the beginning and 3.3 GB in the end (delta: 3.2 GB). Free memory was 62.5 MB in the beginning and 2.8 GB in the end (delta: -2.8 GB). Peak memory consumption was 419.7 MB. Max. memory is 16.1 GB. * Witness Printer took 3.86 ms. Allocated memory is still 3.3 GB. Free memory is still 2.8 GB. There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-29 03:33:32,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36557ed3-3ce7-4a88-90c2-e7b6d02b5785/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:33:34,780 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:33:34,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:33:34,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:33:34,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:33:34,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:33:34,836 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:33:34,838 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:33:34,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:33:34,842 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:33:34,843 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:33:34,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:33:34,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:33:34,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:33:34,848 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:33:34,849 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:33:34,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:33:34,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:33:34,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:33:34,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:33:34,864 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:33:34,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:33:34,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:33:34,868 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:33:34,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:33:34,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:33:34,873 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:33:34,874 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:33:34,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:33:34,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:33:34,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:33:34,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:33:34,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:33:34,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:33:34,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:33:34,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:33:34,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:33:34,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:33:34,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:33:34,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:33:34,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:33:34,889 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36557ed3-3ce7-4a88-90c2-e7b6d02b5785/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-10-29 03:33:34,916 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:33:34,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:33:34,918 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:33:34,919 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:33:34,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:33:34,919 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:33:34,919 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 03:33:34,920 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:33:34,920 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:33:34,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:33:34,921 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 03:33:34,921 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 03:33:34,921 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 03:33:34,922 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:33:34,922 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 03:33:34,922 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 03:33:34,922 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 03:33:34,923 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:33:34,923 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:33:34,923 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:33:34,923 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:33:34,924 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:33:34,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:33:34,924 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:33:34,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:33:34,925 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 03:33:34,925 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 03:33:34,926 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-10-29 03:33:34,926 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 03:33:34,926 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_36557ed3-3ce7-4a88-90c2-e7b6d02b5785/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36557ed3-3ce7-4a88-90c2-e7b6d02b5785/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3bd5e04188199017a119b2ef3a434e2cfadf1e2e5bbf4182b28eb1a822c186f [2021-10-29 03:33:35,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:33:35,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:33:35,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:33:35,321 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:33:35,322 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:33:35,323 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36557ed3-3ce7-4a88-90c2-e7b6d02b5785/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/memsafety/lockfree-3.1.i [2021-10-29 03:33:35,413 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36557ed3-3ce7-4a88-90c2-e7b6d02b5785/bin/ukojak-Rh5K9KB4LI/data/9a74350dc/a9f9afcbfd614124a64c27ed4c81a54e/FLAG8f9381081 [2021-10-29 03:33:36,111 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:33:36,112 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36557ed3-3ce7-4a88-90c2-e7b6d02b5785/sv-benchmarks/c/memsafety/lockfree-3.1.i [2021-10-29 03:33:36,127 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36557ed3-3ce7-4a88-90c2-e7b6d02b5785/bin/ukojak-Rh5K9KB4LI/data/9a74350dc/a9f9afcbfd614124a64c27ed4c81a54e/FLAG8f9381081 [2021-10-29 03:33:36,404 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36557ed3-3ce7-4a88-90c2-e7b6d02b5785/bin/ukojak-Rh5K9KB4LI/data/9a74350dc/a9f9afcbfd614124a64c27ed4c81a54e [2021-10-29 03:33:36,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:33:36,413 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:33:36,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:33:36,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:33:36,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:33:36,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:33:36" (1/1) ... [2021-10-29 03:33:36,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c27b3f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:33:36, skipping insertion in model container [2021-10-29 03:33:36,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:33:36" (1/1) ... [2021-10-29 03:33:36,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:33:36,491 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:33:36,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:33:36,875 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:33:36,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:33:36,973 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:33:36,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:33:36 WrapperNode [2021-10-29 03:33:36,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:33:36,975 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:33:36,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:33:36,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:33:36,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:33:36" (1/1) ... [2021-10-29 03:33:37,002 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:33:36" (1/1) ... [2021-10-29 03:33:37,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:33:37,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:33:37,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:33:37,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:33:37,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:33:36" (1/1) ... [2021-10-29 03:33:37,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:33:36" (1/1) ... [2021-10-29 03:33:37,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:33:36" (1/1) ... [2021-10-29 03:33:37,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:33:36" (1/1) ... [2021-10-29 03:33:37,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:33:36" (1/1) ... [2021-10-29 03:33:37,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:33:36" (1/1) ... [2021-10-29 03:33:37,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:33:36" (1/1) ... [2021-10-29 03:33:37,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:33:37,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:33:37,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:33:37,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:33:37,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:33:36" (1/1) ... [2021-10-29 03:33:37,097 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:33:37,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36557ed3-3ce7-4a88-90c2-e7b6d02b5785/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:33:37,123 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36557ed3-3ce7-4a88-90c2-e7b6d02b5785/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:33:37,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36557ed3-3ce7-4a88-90c2-e7b6d02b5785/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:33:37,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-29 03:33:37,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 03:33:37,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-29 03:33:37,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:33:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-29 03:33:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 03:33:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-29 03:33:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 03:33:37,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:33:37,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:33:37,975 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:33:37,976 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-29 03:33:37,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:33:37 BoogieIcfgContainer [2021-10-29 03:33:37,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:33:37,980 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:33:37,980 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:33:37,989 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:33:37,990 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:33:37" (1/1) ... [2021-10-29 03:33:37,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:33:38,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:38,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 46 states and 57 transitions. [2021-10-29 03:33:38,034 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2021-10-29 03:33:38,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 03:33:38,036 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:38,037 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:38,081 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:444) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-29 03:33:38,087 INFO L168 Benchmark]: Toolchain (without parser) took 1672.23 ms. Allocated memory was 50.3 MB in the beginning and 71.3 MB in the end (delta: 21.0 MB). Free memory was 25.1 MB in the beginning and 32.9 MB in the end (delta: -7.8 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:33:38,087 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 50.3 MB. Free memory was 30.2 MB in the beginning and 30.1 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:33:38,088 INFO L168 Benchmark]: CACSL2BoogieTranslator took 559.27 ms. Allocated memory was 50.3 MB in the beginning and 71.3 MB in the end (delta: 21.0 MB). Free memory was 24.9 MB in the beginning and 45.7 MB in the end (delta: -20.9 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:33:38,089 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.35 ms. Allocated memory is still 71.3 MB. Free memory was 45.7 MB in the beginning and 43.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:33:38,090 INFO L168 Benchmark]: Boogie Preprocessor took 58.76 ms. Allocated memory is still 71.3 MB. Free memory was 43.5 MB in the beginning and 41.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:33:38,091 INFO L168 Benchmark]: RCFGBuilder took 890.40 ms. Allocated memory is still 71.3 MB. Free memory was 41.7 MB in the beginning and 38.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:33:38,091 INFO L168 Benchmark]: CodeCheck took 105.01 ms. Allocated memory is still 71.3 MB. Free memory was 38.0 MB in the beginning and 32.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:33:38,101 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 50.3 MB. Free memory was 30.2 MB in the beginning and 30.1 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 559.27 ms. Allocated memory was 50.3 MB in the beginning and 71.3 MB in the end (delta: 21.0 MB). Free memory was 24.9 MB in the beginning and 45.7 MB in the end (delta: -20.9 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 53.35 ms. Allocated memory is still 71.3 MB. Free memory was 45.7 MB in the beginning and 43.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.76 ms. Allocated memory is still 71.3 MB. Free memory was 43.5 MB in the beginning and 41.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 890.40 ms. Allocated memory is still 71.3 MB. Free memory was 41.7 MB in the beginning and 38.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 105.01 ms. Allocated memory is still 71.3 MB. Free memory was 38.0 MB in the beginning and 32.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-29 03:33:38,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36557ed3-3ce7-4a88-90c2-e7b6d02b5785/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...