./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c12a5-495d-46da-8518-026dfe8fbb6d/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c12a5-495d-46da-8518-026dfe8fbb6d/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c12a5-495d-46da-8518-026dfe8fbb6d/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c12a5-495d-46da-8518-026dfe8fbb6d/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c12a5-495d-46da-8518-026dfe8fbb6d/bin/ukojak-LBtLqBUTdQ/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c12a5-495d-46da-8518-026dfe8fbb6d/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3b13662719be51a1d3330a7f40f7706daa8c7b2d4044bc92f854095c09c7c129 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:35:12,873 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:35:12,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:35:12,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:35:12,945 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:35:12,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:35:12,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:35:12,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:35:12,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:35:12,958 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:35:12,960 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:35:12,961 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:35:12,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:35:12,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:35:12,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:35:12,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:35:12,976 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:35:12,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:35:12,980 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:35:12,987 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:35:12,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:35:12,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:35:12,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:35:13,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:35:13,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:35:13,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:35:13,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:35:13,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:35:13,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:35:13,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:35:13,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:35:13,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:35:13,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:35:13,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:35:13,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:35:13,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:35:13,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:35:13,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:35:13,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:35:13,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:35:13,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:35:13,023 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c12a5-495d-46da-8518-026dfe8fbb6d/bin/ukojak-LBtLqBUTdQ/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2021-11-23 00:35:13,048 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:35:13,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:35:13,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:35:13,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:35:13,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:35:13,052 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:35:13,052 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:35:13,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:35:13,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:35:13,060 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:35:13,060 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 00:35:13,060 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 00:35:13,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:35:13,061 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:35:13,061 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:35:13,061 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:35:13,062 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:35:13,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:35:13,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:35:13,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:35:13,064 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:35:13,064 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:35:13,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:35:13,064 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_792c12a5-495d-46da-8518-026dfe8fbb6d/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c12a5-495d-46da-8518-026dfe8fbb6d/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b13662719be51a1d3330a7f40f7706daa8c7b2d4044bc92f854095c09c7c129 [2021-11-23 00:35:13,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:35:13,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:35:13,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:35:13,346 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:35:13,346 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:35:13,348 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c12a5-495d-46da-8518-026dfe8fbb6d/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i [2021-11-23 00:35:13,441 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c12a5-495d-46da-8518-026dfe8fbb6d/bin/ukojak-LBtLqBUTdQ/data/f0e70ee6a/5c8e359e262d4c1292d86d8ed3cd9c09/FLAGb1bd01065 [2021-11-23 00:35:14,132 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:35:14,139 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c12a5-495d-46da-8518-026dfe8fbb6d/sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i [2021-11-23 00:35:14,165 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c12a5-495d-46da-8518-026dfe8fbb6d/bin/ukojak-LBtLqBUTdQ/data/f0e70ee6a/5c8e359e262d4c1292d86d8ed3cd9c09/FLAGb1bd01065 [2021-11-23 00:35:14,341 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c12a5-495d-46da-8518-026dfe8fbb6d/bin/ukojak-LBtLqBUTdQ/data/f0e70ee6a/5c8e359e262d4c1292d86d8ed3cd9c09 [2021-11-23 00:35:14,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:35:14,345 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:35:14,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:35:14,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:35:14,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:35:14,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:35:14" (1/1) ... [2021-11-23 00:35:14,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2929bd42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:14, skipping insertion in model container [2021-11-23 00:35:14,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:35:14" (1/1) ... [2021-11-23 00:35:14,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:35:14,418 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:35:14,898 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c12a5-495d-46da-8518-026dfe8fbb6d/sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i[33822,33835] [2021-11-23 00:35:14,962 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:35:14,977 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:35:15,049 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c12a5-495d-46da-8518-026dfe8fbb6d/sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i[33822,33835] [2021-11-23 00:35:15,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:35:15,150 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:35:15,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:15 WrapperNode [2021-11-23 00:35:15,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:35:15,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:35:15,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:35:15,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:35:15,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:15" (1/1) ... [2021-11-23 00:35:15,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:15" (1/1) ... [2021-11-23 00:35:15,279 INFO L137 Inliner]: procedures = 232, calls = 75, calls flagged for inlining = 33, calls inlined = 51, statements flattened = 551 [2021-11-23 00:35:15,279 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:35:15,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:35:15,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:35:15,281 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:35:15,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:15" (1/1) ... [2021-11-23 00:35:15,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:15" (1/1) ... [2021-11-23 00:35:15,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:15" (1/1) ... [2021-11-23 00:35:15,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:15" (1/1) ... [2021-11-23 00:35:15,334 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:15" (1/1) ... [2021-11-23 00:35:15,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:15" (1/1) ... [2021-11-23 00:35:15,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:15" (1/1) ... [2021-11-23 00:35:15,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:35:15,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:35:15,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:35:15,374 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:35:15,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:15" (1/1) ... [2021-11-23 00:35:15,397 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:35:15,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c12a5-495d-46da-8518-026dfe8fbb6d/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:35:15,429 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c12a5-495d-46da-8518-026dfe8fbb6d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:35:15,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c12a5-495d-46da-8518-026dfe8fbb6d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:35:15,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 00:35:15,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:35:15,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 00:35:15,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:35:15,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:35:15,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:35:15,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:35:15,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 00:35:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:35:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:35:15,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:35:15,667 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:35:15,669 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:35:16,448 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:35:16,607 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:35:16,607 INFO L301 CfgBuilder]: Removed 76 assume(true) statements. [2021-11-23 00:35:16,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:35:16 BoogieIcfgContainer [2021-11-23 00:35:16,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:35:16,612 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:35:16,612 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:35:16,636 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:35:16,636 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:35:16" (1/1) ... [2021-11-23 00:35:16,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:35:16,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:16,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 328 states and 442 transitions. [2021-11-23 00:35:16,760 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 442 transitions. [2021-11-23 00:35:16,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:35:16,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:16,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:16,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:16,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:16,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:16,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 327 states and 440 transitions. [2021-11-23 00:35:16,994 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 440 transitions. [2021-11-23 00:35:16,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:35:16,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:16,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:17,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:17,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:17,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 326 states and 439 transitions. [2021-11-23 00:35:17,167 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 439 transitions. [2021-11-23 00:35:17,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:35:17,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:17,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:17,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:17,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:17,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 329 states and 445 transitions. [2021-11-23 00:35:17,574 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 445 transitions. [2021-11-23 00:35:17,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:35:17,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:17,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:17,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:18,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:18,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 332 states and 450 transitions. [2021-11-23 00:35:18,284 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 450 transitions. [2021-11-23 00:35:18,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:35:18,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:18,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:18,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:19,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:19,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 336 states and 458 transitions. [2021-11-23 00:35:19,257 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 458 transitions. [2021-11-23 00:35:19,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:35:19,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:19,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:19,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:20,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:20,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 340 states and 466 transitions. [2021-11-23 00:35:20,631 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 466 transitions. [2021-11-23 00:35:20,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:35:20,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:20,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:20,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:21,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:21,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 342 states and 471 transitions. [2021-11-23 00:35:21,429 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 471 transitions. [2021-11-23 00:35:21,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:35:21,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:21,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:21,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:22,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:22,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 344 states and 476 transitions. [2021-11-23 00:35:22,679 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 476 transitions. [2021-11-23 00:35:22,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:35:22,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:22,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:22,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:22,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:22,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:22,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 343 states and 475 transitions. [2021-11-23 00:35:22,719 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 475 transitions. [2021-11-23 00:35:22,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:35:22,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:22,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:22,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:22,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:23,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:23,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 344 states and 477 transitions. [2021-11-23 00:35:23,461 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 477 transitions. [2021-11-23 00:35:23,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:35:23,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:23,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:23,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:24,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:24,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 347 states and 483 transitions. [2021-11-23 00:35:24,889 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 483 transitions. [2021-11-23 00:35:24,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:35:24,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:24,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:24,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:26,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:26,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 350 states and 488 transitions. [2021-11-23 00:35:26,327 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 488 transitions. [2021-11-23 00:35:26,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:35:26,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:26,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:26,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:27,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:27,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 355 states and 496 transitions. [2021-11-23 00:35:27,949 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 496 transitions. [2021-11-23 00:35:27,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:35:27,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:27,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:27,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:28,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:30,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:30,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 360 states and 507 transitions. [2021-11-23 00:35:30,938 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 507 transitions. [2021-11-23 00:35:30,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:35:30,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:30,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:30,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:30,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:30,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 359 states and 506 transitions. [2021-11-23 00:35:30,981 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 506 transitions. [2021-11-23 00:35:30,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:35:30,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:30,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:30,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:31,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:31,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:31,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 360 states and 508 transitions. [2021-11-23 00:35:31,641 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 508 transitions. [2021-11-23 00:35:31,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:35:31,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:31,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:31,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:31,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:31,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:31,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 360 states and 504 transitions. [2021-11-23 00:35:31,675 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 504 transitions. [2021-11-23 00:35:31,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:35:31,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:31,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:31,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:34,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:34,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 372 states and 524 transitions. [2021-11-23 00:35:34,729 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 524 transitions. [2021-11-23 00:35:34,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:35:34,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:34,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:35,353 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:41,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:41,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 384 states and 547 transitions. [2021-11-23 00:35:41,003 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 547 transitions. [2021-11-23 00:35:41,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:35:41,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:41,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:41,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:41,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:42,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:42,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 388 states and 553 transitions. [2021-11-23 00:35:42,553 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 553 transitions. [2021-11-23 00:35:42,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:35:42,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:42,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:42,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:43,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:43,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 392 states and 557 transitions. [2021-11-23 00:35:43,978 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 557 transitions. [2021-11-23 00:35:43,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:35:43,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:43,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:45,133 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:52,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:52,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 404 states and 584 transitions. [2021-11-23 00:35:52,425 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 584 transitions. [2021-11-23 00:35:52,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:35:52,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:52,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:52,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:54,349 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:59,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:59,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 412 states and 611 transitions. [2021-11-23 00:35:59,906 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 611 transitions. [2021-11-23 00:35:59,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:35:59,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:59,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:59,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:00,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:01,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:01,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 415 states and 616 transitions. [2021-11-23 00:36:01,895 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 616 transitions. [2021-11-23 00:36:01,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:36:01,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:01,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:01,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:02,065 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:04,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:04,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 418 states and 620 transitions. [2021-11-23 00:36:04,073 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 620 transitions. [2021-11-23 00:36:04,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:36:04,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:04,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:04,236 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:06,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:06,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 421 states and 625 transitions. [2021-11-23 00:36:06,455 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 625 transitions. [2021-11-23 00:36:06,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:36:06,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:06,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:06,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:06,481 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:36:07,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:07,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 422 states and 626 transitions. [2021-11-23 00:36:07,696 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 626 transitions. [2021-11-23 00:36:07,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:36:07,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:07,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:07,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:07,734 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:36:09,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:09,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 423 states and 627 transitions. [2021-11-23 00:36:09,244 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 627 transitions. [2021-11-23 00:36:09,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:36:09,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:09,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:09,283 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:36:10,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:10,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 422 states and 625 transitions. [2021-11-23 00:36:10,058 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 625 transitions. [2021-11-23 00:36:10,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:36:10,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:10,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:10,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:10,082 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:36:10,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:10,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 421 states and 623 transitions. [2021-11-23 00:36:10,939 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 623 transitions. [2021-11-23 00:36:10,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:36:10,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:10,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:12,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:16,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:16,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 430 states and 636 transitions. [2021-11-23 00:36:16,799 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 636 transitions. [2021-11-23 00:36:16,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:36:16,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:16,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:16,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:16,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:17,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:17,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 432 states and 637 transitions. [2021-11-23 00:36:17,389 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 637 transitions. [2021-11-23 00:36:17,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:36:17,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:17,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:19,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:28,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:28,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 448 states and 666 transitions. [2021-11-23 00:36:28,152 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 666 transitions. [2021-11-23 00:36:28,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:36:28,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:28,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:28,198 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:36:31,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:31,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 453 states and 677 transitions. [2021-11-23 00:36:31,149 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 677 transitions. [2021-11-23 00:36:31,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:36:31,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:31,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:31,172 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:36:32,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:32,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 453 states and 676 transitions. [2021-11-23 00:36:32,043 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 676 transitions. [2021-11-23 00:36:32,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:36:32,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:32,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:32,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:32,068 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:36:33,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:33,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 454 states and 677 transitions. [2021-11-23 00:36:33,990 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 677 transitions. [2021-11-23 00:36:33,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:36:33,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:33,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:34,040 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:36:36,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:36,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 454 states and 676 transitions. [2021-11-23 00:36:36,285 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 676 transitions. [2021-11-23 00:36:36,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:36:36,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:36,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:36,336 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:36:37,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:37,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 453 states and 674 transitions. [2021-11-23 00:36:37,405 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 674 transitions. [2021-11-23 00:36:37,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:36:37,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:37,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:40,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:54,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:54,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 470 states and 705 transitions. [2021-11-23 00:36:54,163 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 705 transitions. [2021-11-23 00:36:54,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:36:54,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:54,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:54,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:54,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:54,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 472 states and 708 transitions. [2021-11-23 00:36:54,949 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 708 transitions. [2021-11-23 00:36:54,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:36:54,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:54,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:55,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:56,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:56,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 475 states and 712 transitions. [2021-11-23 00:36:56,256 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 712 transitions. [2021-11-23 00:36:56,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:36:56,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:56,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:56,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:56,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:56,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 475 states and 708 transitions. [2021-11-23 00:36:56,284 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 708 transitions. [2021-11-23 00:36:56,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:36:56,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:56,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:56,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:59,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:19,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:19,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 493 states and 741 transitions. [2021-11-23 00:37:19,311 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 741 transitions. [2021-11-23 00:37:19,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:37:19,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:19,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:22,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:39,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:39,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 513 states and 779 transitions. [2021-11-23 00:37:39,612 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 779 transitions. [2021-11-23 00:37:39,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:37:39,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:39,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:44,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:07,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:07,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 533 states and 817 transitions. [2021-11-23 00:38:07,901 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 817 transitions. [2021-11-23 00:38:07,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:38:07,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:07,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:07,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:12,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:36,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:36,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 554 states and 856 transitions. [2021-11-23 00:38:36,218 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 856 transitions. [2021-11-23 00:38:36,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:38:36,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:36,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:36,247 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:38:39,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:39,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 556 states and 858 transitions. [2021-11-23 00:38:39,233 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 858 transitions. [2021-11-23 00:38:39,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:38:39,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:39,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:42,088 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:38:57,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:57,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 565 states and 888 transitions. [2021-11-23 00:38:57,502 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 888 transitions. [2021-11-23 00:38:57,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:38:57,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:57,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:57,529 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:38:59,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:59,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 566 states and 888 transitions. [2021-11-23 00:38:59,023 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 888 transitions. [2021-11-23 00:38:59,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:38:59,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:59,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:59,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:59,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:00,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:00,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 568 states and 889 transitions. [2021-11-23 00:39:00,248 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 889 transitions. [2021-11-23 00:39:00,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:39:00,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:00,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:05,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:12,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:12,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 571 states and 894 transitions. [2021-11-23 00:39:12,813 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 894 transitions. [2021-11-23 00:39:12,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:39:12,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:12,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:14,099 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:17,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:17,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 572 states and 894 transitions. [2021-11-23 00:39:17,280 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 894 transitions. [2021-11-23 00:39:17,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:39:17,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:17,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:23,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:55,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:55,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 594 states and 934 transitions. [2021-11-23 00:39:55,035 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 934 transitions. [2021-11-23 00:39:55,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:39:55,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:55,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:55,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:55,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:55,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:55,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 594 states and 930 transitions. [2021-11-23 00:39:55,065 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 930 transitions. [2021-11-23 00:39:55,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:39:55,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:55,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:55,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:56,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:35,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:35,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 625 states and 980 transitions. [2021-11-23 00:40:35,978 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 980 transitions. [2021-11-23 00:40:35,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:40:35,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:35,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:43,359 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:58,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:58,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 630 states and 987 transitions. [2021-11-23 00:40:58,792 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 987 transitions. [2021-11-23 00:40:58,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:40:58,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:58,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:59,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:03,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:03,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 635 states and 994 transitions. [2021-11-23 00:41:03,213 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 994 transitions. [2021-11-23 00:41:03,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:41:03,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:03,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:08,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:20,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:20,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 641 states and 1002 transitions. [2021-11-23 00:41:20,114 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 1002 transitions. [2021-11-23 00:41:20,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:41:20,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:20,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:27,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:08,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:08,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 667 states and 1043 transitions. [2021-11-23 00:42:08,822 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 1043 transitions. [2021-11-23 00:42:08,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:42:08,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:08,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:22,490 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:52,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:52,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 675 states and 1054 transitions. [2021-11-23 00:42:52,355 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 1054 transitions. [2021-11-23 00:42:52,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:42:52,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:52,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:52,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:52,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:54,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:54,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 674 states and 1051 transitions. [2021-11-23 00:42:54,393 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 1051 transitions. [2021-11-23 00:42:54,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:42:54,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:54,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:54,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:55,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:00,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:00,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 677 states and 1055 transitions. [2021-11-23 00:43:00,711 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 1055 transitions. [2021-11-23 00:43:00,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:43:00,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:00,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:19,959 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:08,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:08,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 692 states and 1086 transitions. [2021-11-23 00:44:08,779 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1086 transitions. [2021-11-23 00:44:08,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:44:08,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:08,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:19,184 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:38,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:38,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 696 states and 1095 transitions. [2021-11-23 00:44:38,989 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 1095 transitions. [2021-11-23 00:44:38,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:44:38,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:38,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:44:39,013 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:44:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:44:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:44:39,207 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:44:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:44:39,387 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 65 iterations. [2021-11-23 00:44:39,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:44:39 ImpRootNode [2021-11-23 00:44:39,491 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:44:39,492 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:44:39,492 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:44:39,492 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:44:39,492 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:35:16" (3/4) ... [2021-11-23 00:44:39,494 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 00:44:39,614 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c12a5-495d-46da-8518-026dfe8fbb6d/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:44:39,618 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:44:39,619 INFO L158 Benchmark]: Toolchain (without parser) took 565273.61ms. Allocated memory was 98.6MB in the beginning and 3.5GB in the end (delta: 3.4GB). Free memory was 61.6MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 674.7MB. Max. memory is 16.1GB. [2021-11-23 00:44:39,619 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 98.6MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:44:39,620 INFO L158 Benchmark]: CACSL2BoogieTranslator took 804.19ms. Allocated memory was 98.6MB in the beginning and 121.6MB in the end (delta: 23.1MB). Free memory was 61.4MB in the beginning and 87.7MB in the end (delta: -26.3MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2021-11-23 00:44:39,620 INFO L158 Benchmark]: Boogie Procedure Inliner took 127.46ms. Allocated memory is still 121.6MB. Free memory was 87.7MB in the beginning and 83.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 00:44:39,621 INFO L158 Benchmark]: Boogie Preprocessor took 93.07ms. Allocated memory is still 121.6MB. Free memory was 83.5MB in the beginning and 80.1MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 00:44:39,621 INFO L158 Benchmark]: RCFGBuilder took 1237.48ms. Allocated memory is still 121.6MB. Free memory was 80.1MB in the beginning and 90.5MB in the end (delta: -10.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2021-11-23 00:44:39,622 INFO L158 Benchmark]: CodeCheck took 562879.22ms. Allocated memory was 121.6MB in the beginning and 3.5GB in the end (delta: 3.4GB). Free memory was 90.5MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 675.5MB. Max. memory is 16.1GB. [2021-11-23 00:44:39,622 INFO L158 Benchmark]: Witness Printer took 126.36ms. Allocated memory is still 3.5GB. Free memory was 2.8GB in the beginning and 2.8GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 00:44:39,624 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, 328 locations, 146 error locations. Started 1 CEGAR loops. OverallTime: 562.7s, OverallIterations: 65, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17193 SdHoareTripleChecker+Valid, 98.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13650 mSDsluCounter, 11473 SdHoareTripleChecker+Invalid, 84.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11691 mSDsCounter, 13703 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 56074 IncrementalHoareTripleChecker+Invalid, 69777 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13703 mSolverCounterUnsat, 1408 mSDtfsCounter, 56074 mSolverCounterSat, 0.9s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11648 GetRequests, 9707 SyntacticMatches, 371 SemanticMatches, 1570 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1408821 ImplicationChecksByTransitivity, 549.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 113.0s InterpolantComputationTime, 1343 NumberOfCodeBlocks, 1343 NumberOfCodeBlocksAsserted, 65 NumberOfCheckSat, 1239 ConstructedInterpolants, 0 QuantifiedInterpolants, 20445 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 64 InterpolantComputations, 51 PerfectInterpolantSequences, 93/191 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 - CounterExampleResult [Line: 840]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L850] struct list_head gl_list = { &(gl_list), &(gl_list) }; [L949] CALL gl_read() [L909] CALL gl_insert(__VERIFIER_nondet_int()) [L899] struct node *node = malloc(sizeof *node); [L900] COND FALSE !(!node) VAL [\old(value)=11905, gl_list={3:0}, node={11904:0}, value=11905] [L902] node->value = value [L903] CALL list_add(&node->linkage, &gl_list) [L890] EXPR head->next [L890] CALL __list_add(new, head, head->next) [L878] next->prev = new VAL [gl_list={3:0}, new={11904:4}, new={11904:4}, next={3:0}, next={3:0}, prev={3:0}, prev={3:0}] [L879] new->next = next VAL [gl_list={3:0}, new={11904:4}, new={11904:4}, next={3:0}, next={3:0}, prev={3:0}, prev={3:0}] [L880] new->prev = prev VAL [gl_list={3:0}, new={11904:4}, new={11904:4}, next={3:0}, next={3:0}, prev={3:0}, prev={3:0}] [L881] prev->next = new [L890] RET __list_add(new, head, head->next) [L903] RET list_add(&node->linkage, &gl_list) [L904] (&node->nested)->next = (&node->nested) VAL [\old(value)=11905, gl_list={3:0}, node={11904:0}, value=11905] [L904] (&node->nested)->next = (&node->nested) VAL [\old(value)=11905, gl_list={3:0}, node={11904:0}, value=11905] [L909] RET gl_insert(__VERIFIER_nondet_int()) [L911] COND FALSE !(__VERIFIER_nondet_int()) [L949] RET gl_read() [L950] CALL inspect(&gl_list) [L853] COND FALSE !(!(head)) VAL [gl_list={3:0}, head={3:0}, head={3:0}] [L854] EXPR head->next VAL [gl_list={3:0}, head={3:0}, head={3:0}, head->next={11904:4}] [L854] COND FALSE !(!(head->next != head)) [L855] EXPR head->prev VAL [gl_list={3:0}, head={3:0}, head={3:0}, head->prev={11904:4}] [L855] COND FALSE !(!(head->prev != head)) [L856] EXPR head->prev [L856] head = head->prev [L857] COND FALSE !(!(head)) VAL [gl_list={3:0}, head={11904:4}, head={3:0}] [L858] EXPR head->next VAL [gl_list={3:0}, head={11904:4}, head={3:0}, head->next={3:0}] [L858] COND FALSE !(!(head->next != head)) [L859] EXPR head->prev VAL [gl_list={3:0}, head={11904:4}, head={3:0}, head->prev={3:0}] [L859] COND FALSE !(!(head->prev != head)) [L860] const struct node *node = ((struct node *)((char *)(head)-(unsigned long)(&((struct node *)0)->linkage))); VAL [gl_list={3:0}, head={11904:4}, head={3:0}, node={11904:0}] [L861] COND FALSE !(!(node)) VAL [gl_list={3:0}, head={3:0}, head={11904:4}, node={11904:0}] [L862] EXPR node->nested.next VAL [gl_list={3:0}, head={11904:4}, head={3:0}, node={11904:0}, node->nested.next={11904:12}] [L862] COND FALSE !(!(node->nested.next == &node->nested)) [L863] EXPR node->nested.prev VAL [gl_list={3:0}, head={3:0}, head={11904:4}, node={11904:0}, node->nested.prev={33:13}] [L863] COND TRUE !(node->nested.prev == &node->nested) [L863] CALL fail() [L840] reach_error() VAL [gl_list={3:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 98.6MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 804.19ms. Allocated memory was 98.6MB in the beginning and 121.6MB in the end (delta: 23.1MB). Free memory was 61.4MB in the beginning and 87.7MB in the end (delta: -26.3MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 127.46ms. Allocated memory is still 121.6MB. Free memory was 87.7MB in the beginning and 83.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.07ms. Allocated memory is still 121.6MB. Free memory was 83.5MB in the beginning and 80.1MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1237.48ms. Allocated memory is still 121.6MB. Free memory was 80.1MB in the beginning and 90.5MB in the end (delta: -10.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * CodeCheck took 562879.22ms. Allocated memory was 121.6MB in the beginning and 3.5GB in the end (delta: 3.4GB). Free memory was 90.5MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 675.5MB. Max. memory is 16.1GB. * Witness Printer took 126.36ms. Allocated memory is still 3.5GB. Free memory was 2.8GB in the beginning and 2.8GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-23 00:44:39,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c12a5-495d-46da-8518-026dfe8fbb6d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memcleanup)