./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999577e6-432d-44b5-8f98-fb871c71d50d/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999577e6-432d-44b5-8f98-fb871c71d50d/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_999577e6-432d-44b5-8f98-fb871c71d50d/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999577e6-432d-44b5-8f98-fb871c71d50d/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999577e6-432d-44b5-8f98-fb871c71d50d/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999577e6-432d-44b5-8f98-fb871c71d50d/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c0706d1a5964bb8391155a217bd6084c2519a4607ef121976461541c97aecebc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:13:01,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:13:01,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:13:01,301 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:13:01,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:13:01,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:13:01,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:13:01,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:13:01,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:13:01,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:13:01,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:13:01,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:13:01,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:13:01,329 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:13:01,331 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:13:01,336 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:13:01,337 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:13:01,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:13:01,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:13:01,351 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:13:01,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:13:01,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:13:01,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:13:01,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:13:01,362 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:13:01,363 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:13:01,363 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:13:01,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:13:01,366 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:13:01,367 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:13:01,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:13:01,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:13:01,372 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:13:01,373 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:13:01,374 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:13:01,375 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:13:01,375 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:13:01,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:13:01,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:13:01,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:13:01,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:13:01,379 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999577e6-432d-44b5-8f98-fb871c71d50d/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 01:13:01,408 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:13:01,408 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:13:01,410 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:13:01,410 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:13:01,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:13:01,411 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:13:01,411 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:13:01,411 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:13:01,411 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:13:01,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:13:01,412 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:13:01,412 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:13:01,412 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:13:01,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:13:01,413 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:13:01,413 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:13:01,413 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:13:01,413 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:13:01,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:13:01,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:13:01,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:13:01,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:13:01,415 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:13:01,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:13:01,415 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_999577e6-432d-44b5-8f98-fb871c71d50d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999577e6-432d-44b5-8f98-fb871c71d50d/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0706d1a5964bb8391155a217bd6084c2519a4607ef121976461541c97aecebc [2021-11-23 01:13:01,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:13:01,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:13:01,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:13:01,707 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:13:01,709 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:13:01,710 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999577e6-432d-44b5-8f98-fb871c71d50d/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-2.i [2021-11-23 01:13:01,795 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999577e6-432d-44b5-8f98-fb871c71d50d/bin/ukojak-LBtLqBUTdQ/data/2adf26f9d/46b7c8c9753447ac988f52cb285d729e/FLAG4f100f88e [2021-11-23 01:13:02,319 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:13:02,320 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999577e6-432d-44b5-8f98-fb871c71d50d/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-2.i [2021-11-23 01:13:02,339 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999577e6-432d-44b5-8f98-fb871c71d50d/bin/ukojak-LBtLqBUTdQ/data/2adf26f9d/46b7c8c9753447ac988f52cb285d729e/FLAG4f100f88e [2021-11-23 01:13:02,656 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999577e6-432d-44b5-8f98-fb871c71d50d/bin/ukojak-LBtLqBUTdQ/data/2adf26f9d/46b7c8c9753447ac988f52cb285d729e [2021-11-23 01:13:02,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:13:02,660 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:13:02,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:13:02,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:13:02,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:13:02,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:13:02" (1/1) ... [2021-11-23 01:13:02,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@203b75fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:02, skipping insertion in model container [2021-11-23 01:13:02,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:13:02" (1/1) ... [2021-11-23 01:13:02,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:13:02,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:13:03,041 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_999577e6-432d-44b5-8f98-fb871c71d50d/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-2.i[24092,24105] [2021-11-23 01:13:03,046 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:13:03,060 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:13:03,131 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_999577e6-432d-44b5-8f98-fb871c71d50d/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-2.i[24092,24105] [2021-11-23 01:13:03,132 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:13:03,162 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:13:03,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:03 WrapperNode [2021-11-23 01:13:03,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:13:03,164 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:13:03,164 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:13:03,164 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:13:03,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:03" (1/1) ... [2021-11-23 01:13:03,183 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:03" (1/1) ... [2021-11-23 01:13:03,212 INFO L137 Inliner]: procedures = 122, calls = 22, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 94 [2021-11-23 01:13:03,214 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:13:03,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:13:03,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:13:03,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:13:03,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:03" (1/1) ... [2021-11-23 01:13:03,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:03" (1/1) ... [2021-11-23 01:13:03,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:03" (1/1) ... [2021-11-23 01:13:03,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:03" (1/1) ... [2021-11-23 01:13:03,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:03" (1/1) ... [2021-11-23 01:13:03,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:03" (1/1) ... [2021-11-23 01:13:03,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:03" (1/1) ... [2021-11-23 01:13:03,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:13:03,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:13:03,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:13:03,257 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:13:03,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:03" (1/1) ... [2021-11-23 01:13:03,272 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:13:03,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999577e6-432d-44b5-8f98-fb871c71d50d/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:13:03,296 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999577e6-432d-44b5-8f98-fb871c71d50d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:13:03,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999577e6-432d-44b5-8f98-fb871c71d50d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:13:03,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:13:03,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:13:03,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:13:03,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:13:03,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:13:03,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:13:03,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:13:03,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:13:03,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:13:03,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:13:03,429 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:13:03,431 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:13:03,753 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:13:03,823 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:13:03,825 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 01:13:03,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:13:03 BoogieIcfgContainer [2021-11-23 01:13:03,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:13:03,830 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:13:03,830 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:13:03,841 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:13:03,841 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:13:03" (1/1) ... [2021-11-23 01:13:03,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:13:03,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:03,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 53 states and 61 transitions. [2021-11-23 01:13:03,922 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 61 transitions. [2021-11-23 01:13:03,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:13:03,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:03,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:04,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:04,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:04,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 52 states and 60 transitions. [2021-11-23 01:13:04,118 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2021-11-23 01:13:04,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:13:04,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:04,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:04,187 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 01:13:04,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:04,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 51 states and 59 transitions. [2021-11-23 01:13:04,272 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2021-11-23 01:13:04,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:13:04,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:04,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:04,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:04,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:04,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 50 states and 58 transitions. [2021-11-23 01:13:04,319 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2021-11-23 01:13:04,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:13:04,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:04,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:04,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:04,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:04,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:04,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 49 states and 57 transitions. [2021-11-23 01:13:04,396 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 57 transitions. [2021-11-23 01:13:04,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:13:04,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:04,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:04,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:04,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:04,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 61 transitions. [2021-11-23 01:13:04,452 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2021-11-23 01:13:04,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:13:04,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:04,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:04,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:04,526 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 01:13:04,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:04,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 53 states and 64 transitions. [2021-11-23 01:13:04,650 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2021-11-23 01:13:04,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:13:04,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:04,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:04,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:04,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:04,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 52 states and 63 transitions. [2021-11-23 01:13:04,755 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2021-11-23 01:13:04,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:13:04,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:04,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:04,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:04,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:05,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:05,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 51 states and 62 transitions. [2021-11-23 01:13:05,001 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 62 transitions. [2021-11-23 01:13:05,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:13:05,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:05,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:05,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:05,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:05,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 54 states and 68 transitions. [2021-11-23 01:13:05,324 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2021-11-23 01:13:05,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:13:05,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:05,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:05,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:05,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:05,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 55 states and 70 transitions. [2021-11-23 01:13:05,703 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2021-11-23 01:13:05,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:13:05,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:05,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:05,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:05,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:05,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:05,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 54 states and 69 transitions. [2021-11-23 01:13:05,755 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2021-11-23 01:13:05,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:13:05,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:05,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:05,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:05,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:05,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:05,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 53 states and 68 transitions. [2021-11-23 01:13:05,811 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2021-11-23 01:13:05,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:13:05,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:05,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:05,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:06,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:06,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 57 states and 79 transitions. [2021-11-23 01:13:06,205 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2021-11-23 01:13:06,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:13:06,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:06,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:06,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:06,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:06,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:06,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 58 states and 80 transitions. [2021-11-23 01:13:06,350 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 80 transitions. [2021-11-23 01:13:06,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:13:06,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:06,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:06,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:06,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:06,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:06,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 58 states and 79 transitions. [2021-11-23 01:13:06,617 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 79 transitions. [2021-11-23 01:13:06,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:13:06,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:06,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:06,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:06,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:06,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 59 states and 80 transitions. [2021-11-23 01:13:06,823 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 80 transitions. [2021-11-23 01:13:06,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:13:06,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:06,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:06,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:07,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:07,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 60 states and 81 transitions. [2021-11-23 01:13:07,061 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 81 transitions. [2021-11-23 01:13:07,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:13:07,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:07,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:07,148 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:07,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:07,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 64 states and 89 transitions. [2021-11-23 01:13:07,546 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 89 transitions. [2021-11-23 01:13:07,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:13:07,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:07,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:07,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:07,573 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:07,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:07,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 65 states and 90 transitions. [2021-11-23 01:13:07,780 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2021-11-23 01:13:07,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:13:07,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:07,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:07,825 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:08,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:08,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 66 states and 91 transitions. [2021-11-23 01:13:08,019 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 91 transitions. [2021-11-23 01:13:08,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:13:08,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:08,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:08,045 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:08,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:08,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 67 states and 92 transitions. [2021-11-23 01:13:08,253 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2021-11-23 01:13:08,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:13:08,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:08,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:08,325 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:08,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:08,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 71 states and 99 transitions. [2021-11-23 01:13:08,713 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2021-11-23 01:13:08,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:13:08,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:08,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:08,744 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:08,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:08,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 72 states and 99 transitions. [2021-11-23 01:13:08,937 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2021-11-23 01:13:08,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:13:08,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:08,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:08,968 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:09,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:09,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 73 states and 99 transitions. [2021-11-23 01:13:09,190 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 99 transitions. [2021-11-23 01:13:09,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:13:09,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:09,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:09,222 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:09,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:09,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 74 states and 99 transitions. [2021-11-23 01:13:09,444 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 99 transitions. [2021-11-23 01:13:09,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:13:09,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:09,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:09,684 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:13:10,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:10,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 67 states and 85 transitions. [2021-11-23 01:13:10,818 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2021-11-23 01:13:10,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:13:10,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:10,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:11,340 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:13:14,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:14,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 59 states and 71 transitions. [2021-11-23 01:13:14,187 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2021-11-23 01:13:14,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:13:14,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:14,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:14,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:14,530 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:13:15,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:15,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 60 states and 74 transitions. [2021-11-23 01:13:15,727 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 74 transitions. [2021-11-23 01:13:15,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:13:15,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:15,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:15,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:15,765 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:13:16,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:16,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 60 states and 73 transitions. [2021-11-23 01:13:16,379 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 73 transitions. [2021-11-23 01:13:16,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:13:16,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:16,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:17,597 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:13:23,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:23,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 60 states and 72 transitions. [2021-11-23 01:13:23,067 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 72 transitions. [2021-11-23 01:13:23,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:13:23,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:23,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:23,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:23,097 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:13:23,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:23,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 59 states and 71 transitions. [2021-11-23 01:13:23,513 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2021-11-23 01:13:23,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:13:23,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:23,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:23,877 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:13:24,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:24,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 61 states and 73 transitions. [2021-11-23 01:13:24,541 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 73 transitions. [2021-11-23 01:13:24,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:13:24,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:24,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:24,566 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:13:24,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:24,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 60 states and 72 transitions. [2021-11-23 01:13:24,579 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 72 transitions. [2021-11-23 01:13:24,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:13:24,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:24,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:24,753 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:13:24,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:24,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 61 states and 73 transitions. [2021-11-23 01:13:24,765 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 73 transitions. [2021-11-23 01:13:24,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:13:24,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:24,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:26,566 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 9 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:13:33,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:33,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 66 states and 84 transitions. [2021-11-23 01:13:33,482 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2021-11-23 01:13:33,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:13:33,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:33,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:33,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:35,263 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 9 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:13:43,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:43,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 71 states and 93 transitions. [2021-11-23 01:13:43,747 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2021-11-23 01:13:43,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:13:43,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:43,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:44,410 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:13:47,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:47,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 77 states and 100 transitions. [2021-11-23 01:13:47,829 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 100 transitions. [2021-11-23 01:13:47,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:13:47,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:47,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:48,274 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:13:49,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:49,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 80 states and 106 transitions. [2021-11-23 01:13:49,362 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 106 transitions. [2021-11-23 01:13:49,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:13:49,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:49,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:52,057 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:14:02,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:02,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 81 states and 108 transitions. [2021-11-23 01:14:02,742 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 108 transitions. [2021-11-23 01:14:02,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:14:02,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:02,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:02,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:04,080 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:14:13,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:13,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 82 states and 109 transitions. [2021-11-23 01:14:13,409 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 109 transitions. [2021-11-23 01:14:13,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:14:13,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:13,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:13,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:18,481 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 32 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:14:41,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:41,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 88 states and 119 transitions. [2021-11-23 01:14:41,204 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 119 transitions. [2021-11-23 01:14:41,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:14:41,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:41,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:41,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:41,556 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 32 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:14:45,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:45,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 92 states and 123 transitions. [2021-11-23 01:14:45,719 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 123 transitions. [2021-11-23 01:14:45,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:14:45,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:45,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:51,397 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 32 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:15:14,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:14,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 93 states and 125 transitions. [2021-11-23 01:15:14,022 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 125 transitions. [2021-11-23 01:15:14,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:15:14,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:14,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:14,979 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-23 01:15:22,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:22,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 98 states and 135 transitions. [2021-11-23 01:15:22,162 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 135 transitions. [2021-11-23 01:15:22,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:15:22,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:22,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:29,991 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:16:04,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:04,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 103 states and 145 transitions. [2021-11-23 01:16:04,037 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 145 transitions. [2021-11-23 01:16:04,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:16:04,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:04,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:04,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:05,236 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:16:10,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:10,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 106 states and 148 transitions. [2021-11-23 01:16:10,460 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 148 transitions. [2021-11-23 01:16:10,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:16:10,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:10,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:10,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:15,622 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 30 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:16:42,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:42,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 110 states and 154 transitions. [2021-11-23 01:16:42,375 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 154 transitions. [2021-11-23 01:16:42,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:16:42,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:42,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:54,451 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 1 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:47,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:47,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 118 states and 170 transitions. [2021-11-23 01:17:47,538 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 170 transitions. [2021-11-23 01:17:47,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:17:47,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:47,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:48,290 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 1 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:01,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:01,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 126 states and 179 transitions. [2021-11-23 01:18:01,261 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 179 transitions. [2021-11-23 01:18:01,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:18:01,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:01,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:01,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:13,668 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:13,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:13,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 131 states and 187 transitions. [2021-11-23 01:19:13,327 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 187 transitions. [2021-11-23 01:19:13,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:19:13,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:13,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:13,374 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:19:15,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:15,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 132 states and 189 transitions. [2021-11-23 01:19:15,817 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 189 transitions. [2021-11-23 01:19:15,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:19:15,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:15,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:16,385 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-23 01:19:29,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:29,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 137 states and 200 transitions. [2021-11-23 01:19:29,369 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 200 transitions. [2021-11-23 01:19:29,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:19:29,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:29,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:45,117 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:58,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:58,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 142 states and 208 transitions. [2021-11-23 01:20:58,690 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 208 transitions. [2021-11-23 01:20:58,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:20:58,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:58,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:12,773 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:07,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:07,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 147 states and 215 transitions. [2021-11-23 01:22:07,527 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 215 transitions. [2021-11-23 01:22:07,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:22:07,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:07,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:30,161 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:22,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:22,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 178 states and 259 transitions. [2021-11-23 01:24:22,549 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 259 transitions. [2021-11-23 01:24:22,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:24:22,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:22,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:22,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:50,090 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.