./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.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_757798df-7564-4a56-ba17-728fb10e8c51/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757798df-7564-4a56-ba17-728fb10e8c51/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_757798df-7564-4a56-ba17-728fb10e8c51/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757798df-7564-4a56-ba17-728fb10e8c51/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757798df-7564-4a56-ba17-728fb10e8c51/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_757798df-7564-4a56-ba17-728fb10e8c51/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 b3d7899c651fa61cfb9cf623e0f4ceb470fe32eb0d0272d2277c965ed07c2f88 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:35:43,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:35:43,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:35:43,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:35:43,290 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:35:43,292 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:35:43,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:35:43,297 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:35:43,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:35:43,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:35:43,302 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:35:43,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:35:43,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:35:43,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:35:43,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:35:43,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:35:43,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:35:43,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:35:43,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:35:43,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:35:43,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:35:43,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:35:43,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:35:43,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:35:43,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:35:43,330 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:35:43,331 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:35:43,332 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:35:43,333 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:35:43,334 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:35:43,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:35:43,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:35:43,337 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:35:43,338 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:35:43,339 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:35:43,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:35:43,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:35:43,341 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:35:43,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:35:43,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:35:43,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:35:43,345 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757798df-7564-4a56-ba17-728fb10e8c51/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 00:35:43,369 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:35:43,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:35:43,371 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:35:43,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:35:43,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:35:43,372 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:35:43,372 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:35:43,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:35:43,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:35:43,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:35:43,373 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 00:35:43,373 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 00:35:43,373 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 00:35:43,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:35:43,374 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:35:43,374 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:35:43,374 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:35:43,375 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:35:43,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:35:43,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:35:43,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:35:43,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:35:43,376 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:35:43,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:35:43,376 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_757798df-7564-4a56-ba17-728fb10e8c51/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757798df-7564-4a56-ba17-728fb10e8c51/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3d7899c651fa61cfb9cf623e0f4ceb470fe32eb0d0272d2277c965ed07c2f88 [2021-11-23 00:35:43,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:35:43,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:35:43,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:35:43,697 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:35:43,699 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:35:43,701 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757798df-7564-4a56-ba17-728fb10e8c51/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i [2021-11-23 00:35:43,776 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757798df-7564-4a56-ba17-728fb10e8c51/bin/ukojak-LBtLqBUTdQ/data/0f0d712a0/2283f9959dae469ab3dedb388cf85796/FLAG6b19d9d35 [2021-11-23 00:35:44,328 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:35:44,328 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757798df-7564-4a56-ba17-728fb10e8c51/sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i [2021-11-23 00:35:44,343 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757798df-7564-4a56-ba17-728fb10e8c51/bin/ukojak-LBtLqBUTdQ/data/0f0d712a0/2283f9959dae469ab3dedb388cf85796/FLAG6b19d9d35 [2021-11-23 00:35:44,620 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757798df-7564-4a56-ba17-728fb10e8c51/bin/ukojak-LBtLqBUTdQ/data/0f0d712a0/2283f9959dae469ab3dedb388cf85796 [2021-11-23 00:35:44,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:35:44,629 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:35:44,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:35:44,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:35:44,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:35:44,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:35:44" (1/1) ... [2021-11-23 00:35:44,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e7301ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:44, skipping insertion in model container [2021-11-23 00:35:44,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:35:44" (1/1) ... [2021-11-23 00:35:44,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:35:44,701 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:35:45,046 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_757798df-7564-4a56-ba17-728fb10e8c51/sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i[24038,24051] [2021-11-23 00:35:45,049 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:35:45,058 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:35:45,100 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_757798df-7564-4a56-ba17-728fb10e8c51/sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i[24038,24051] [2021-11-23 00:35:45,101 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:35:45,131 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:35:45,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:45 WrapperNode [2021-11-23 00:35:45,131 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:35:45,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:35:45,133 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:35:45,133 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:35:45,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:45" (1/1) ... [2021-11-23 00:35:45,156 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:45" (1/1) ... [2021-11-23 00:35:45,181 INFO L137 Inliner]: procedures = 126, calls = 30, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 108 [2021-11-23 00:35:45,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:35:45,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:35:45,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:35:45,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:35:45,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:45" (1/1) ... [2021-11-23 00:35:45,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:45" (1/1) ... [2021-11-23 00:35:45,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:45" (1/1) ... [2021-11-23 00:35:45,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:45" (1/1) ... [2021-11-23 00:35:45,207 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:45" (1/1) ... [2021-11-23 00:35:45,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:45" (1/1) ... [2021-11-23 00:35:45,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:45" (1/1) ... [2021-11-23 00:35:45,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:35:45,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:35:45,239 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:35:45,239 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:35:45,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:45" (1/1) ... [2021-11-23 00:35:45,247 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:35:45,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757798df-7564-4a56-ba17-728fb10e8c51/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:35:45,273 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757798df-7564-4a56-ba17-728fb10e8c51/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:35:45,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757798df-7564-4a56-ba17-728fb10e8c51/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:35:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:35:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:35:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:35:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:35:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 00:35:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 00:35:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:35:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 00:35:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:35:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:35:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:35:45,408 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:35:45,410 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:35:45,704 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:35:45,787 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:35:45,792 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 00:35:45,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:35:45 BoogieIcfgContainer [2021-11-23 00:35:45,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:35:45,795 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:35:45,795 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:35:45,804 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:35:45,804 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:35:45" (1/1) ... [2021-11-23 00:35:45,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:35:45,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:45,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 62 states and 68 transitions. [2021-11-23 00:35:45,868 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 68 transitions. [2021-11-23 00:35:45,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:35:45,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:45,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:46,039 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 00:35:46,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:46,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 63 states and 70 transitions. [2021-11-23 00:35:46,093 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 70 transitions. [2021-11-23 00:35:46,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:35:46,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:46,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:46,172 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 00:35:46,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:46,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 62 states and 69 transitions. [2021-11-23 00:35:46,236 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 69 transitions. [2021-11-23 00:35:46,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:35:46,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:46,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:46,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:46,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:46,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:46,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 61 states and 68 transitions. [2021-11-23 00:35:46,462 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 68 transitions. [2021-11-23 00:35:46,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:35:46,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:46,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:46,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:46,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:46,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 60 states and 67 transitions. [2021-11-23 00:35:46,529 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 67 transitions. [2021-11-23 00:35:46,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:35:46,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:46,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:46,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:46,665 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 00:35:46,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:46,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 59 states and 66 transitions. [2021-11-23 00:35:46,797 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 66 transitions. [2021-11-23 00:35:46,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:35:46,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:46,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:46,870 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 00:35:46,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:46,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 58 states and 65 transitions. [2021-11-23 00:35:46,912 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2021-11-23 00:35:46,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:35:46,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:46,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:46,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:47,008 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 00:35:47,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:47,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 57 states and 64 transitions. [2021-11-23 00:35:47,205 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2021-11-23 00:35:47,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:35:47,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:47,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:47,280 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 00:35:47,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:47,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 62 states and 71 transitions. [2021-11-23 00:35:47,695 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 71 transitions. [2021-11-23 00:35:47,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:35:47,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:47,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:47,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:47,804 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:35:48,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:48,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 63 states and 72 transitions. [2021-11-23 00:35:48,734 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2021-11-23 00:35:48,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:35:48,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:48,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:49,031 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:35:50,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:50,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 65 states and 76 transitions. [2021-11-23 00:35:50,660 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 76 transitions. [2021-11-23 00:35:50,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:35:50,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:50,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:51,183 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:53,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:53,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 78 states and 98 transitions. [2021-11-23 00:35:53,846 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 98 transitions. [2021-11-23 00:35:53,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:35:53,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:53,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:54,259 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:35:55,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:55,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 81 states and 104 transitions. [2021-11-23 00:35:55,432 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 104 transitions. [2021-11-23 00:35:55,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:35:55,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:55,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:55,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:55,991 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:35:58,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:58,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 84 states and 110 transitions. [2021-11-23 00:35:58,458 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 110 transitions. [2021-11-23 00:35:58,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:35:58,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:58,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:58,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:58,488 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:35:58,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:58,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 86 states and 114 transitions. [2021-11-23 00:35:58,944 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 114 transitions. [2021-11-23 00:35:58,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:35:58,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:58,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:59,312 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:36:00,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:00,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 89 states and 120 transitions. [2021-11-23 00:36:00,440 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 120 transitions. [2021-11-23 00:36:00,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:36:00,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:00,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:00,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:00,466 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:36:00,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:00,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 90 states and 121 transitions. [2021-11-23 00:36:00,477 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 121 transitions. [2021-11-23 00:36:00,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:36:00,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:00,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:00,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:00,519 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:36:00,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:00,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 91 states and 122 transitions. [2021-11-23 00:36:00,533 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 122 transitions. [2021-11-23 00:36:00,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:36:00,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:00,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:00,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:00,754 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:36:01,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:01,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 94 states and 129 transitions. [2021-11-23 00:36:01,939 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 129 transitions. [2021-11-23 00:36:01,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:36:01,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:01,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:02,222 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:36:03,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:03,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 97 states and 135 transitions. [2021-11-23 00:36:03,962 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 135 transitions. [2021-11-23 00:36:03,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:36:03,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:03,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:04,548 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:36:05,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:05,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 99 states and 138 transitions. [2021-11-23 00:36:05,666 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 138 transitions. [2021-11-23 00:36:05,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:36:05,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:05,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:05,855 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:07,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:07,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 88 states and 118 transitions. [2021-11-23 00:36:07,552 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 118 transitions. [2021-11-23 00:36:07,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:36:07,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:07,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:08,364 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:36:14,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:14,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 95 states and 132 transitions. [2021-11-23 00:36:14,995 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 132 transitions. [2021-11-23 00:36:14,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:36:14,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:14,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:16,840 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:26,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:26,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 102 states and 149 transitions. [2021-11-23 00:36:26,005 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 149 transitions. [2021-11-23 00:36:26,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:36:26,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:26,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:26,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:26,028 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:36:26,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:26,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 103 states and 151 transitions. [2021-11-23 00:36:26,682 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 151 transitions. [2021-11-23 00:36:26,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:36:26,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:26,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:27,170 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:36:28,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:28,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 105 states and 158 transitions. [2021-11-23 00:36:28,875 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 158 transitions. [2021-11-23 00:36:28,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:36:28,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:28,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:28,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:29,090 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:36:31,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:31,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 109 states and 164 transitions. [2021-11-23 00:36:31,332 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 164 transitions. [2021-11-23 00:36:31,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:36:31,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:31,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:32,867 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:46,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:46,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 117 states and 183 transitions. [2021-11-23 00:36:46,581 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 183 transitions. [2021-11-23 00:36:46,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:36:46,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:46,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:48,834 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:04,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:04,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 125 states and 202 transitions. [2021-11-23 00:37:04,541 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 202 transitions. [2021-11-23 00:37:04,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:37:04,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:04,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:04,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:06,730 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:37:15,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:15,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 132 states and 218 transitions. [2021-11-23 00:37:15,495 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 218 transitions. [2021-11-23 00:37:15,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:37:15,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:15,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:15,523 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:37:18,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:18,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 136 states and 223 transitions. [2021-11-23 00:37:18,625 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 223 transitions. [2021-11-23 00:37:18,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:37:18,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:18,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:18,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:18,993 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:37:22,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:22,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 139 states and 235 transitions. [2021-11-23 00:37:22,552 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 235 transitions. [2021-11-23 00:37:22,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:37:22,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:22,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:22,974 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:37:28,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:28,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 144 states and 255 transitions. [2021-11-23 00:37:28,886 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 255 transitions. [2021-11-23 00:37:28,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:37:28,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:28,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:28,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:29,303 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:37:31,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:31,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 145 states and 258 transitions. [2021-11-23 00:37:31,761 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 258 transitions. [2021-11-23 00:37:31,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:37:31,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:31,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:31,783 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:37:33,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:33,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 145 states and 257 transitions. [2021-11-23 00:37:33,012 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 257 transitions. [2021-11-23 00:37:33,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:37:33,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:33,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:37,862 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:06,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:06,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 153 states and 280 transitions. [2021-11-23 00:38:06,429 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 280 transitions. [2021-11-23 00:38:06,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:38:06,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:06,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:06,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:06,979 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:10,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:10,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 156 states and 284 transitions. [2021-11-23 00:38:10,097 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 284 transitions. [2021-11-23 00:38:10,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:38:10,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:10,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:10,616 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:13,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:13,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 158 states and 289 transitions. [2021-11-23 00:38:13,542 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 289 transitions. [2021-11-23 00:38:13,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:38:13,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:13,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:14,933 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:38:31,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:31,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 168 states and 315 transitions. [2021-11-23 00:38:31,758 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 315 transitions. [2021-11-23 00:38:31,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:38:31,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:31,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:32,160 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:38:34,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:34,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 171 states and 322 transitions. [2021-11-23 00:38:34,562 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 322 transitions. [2021-11-23 00:38:34,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:38:34,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:34,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:34,937 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:38:51,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:51,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 181 states and 344 transitions. [2021-11-23 00:38:51,753 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 344 transitions. [2021-11-23 00:38:51,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:38:51,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:51,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:51,969 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:38:53,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:53,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 182 states and 344 transitions. [2021-11-23 00:38:53,496 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 344 transitions. [2021-11-23 00:38:53,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:38:53,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:53,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:53,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:56,752 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:39,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:39,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 195 states and 377 transitions. [2021-11-23 00:39:39,788 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 377 transitions. [2021-11-23 00:39:39,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:39:39,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:39,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:39,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:45,189 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:19,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:19,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 199 states and 382 transitions. [2021-11-23 00:40:19,739 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 382 transitions. [2021-11-23 00:40:19,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:40:19,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:19,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:19,764 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:40:25,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:25,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 202 states and 389 transitions. [2021-11-23 00:40:25,554 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 389 transitions. [2021-11-23 00:40:25,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:40:25,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:25,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:28,653 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:41:21,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:21,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 216 states and 424 transitions. [2021-11-23 00:41:21,567 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 424 transitions. [2021-11-23 00:41:21,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:41:21,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:21,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:21,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:21,785 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:41:47,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:47,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 226 states and 449 transitions. [2021-11-23 00:41:47,800 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 449 transitions. [2021-11-23 00:41:47,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:41:47,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:47,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:47,826 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:42:17,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:17,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 236 states and 474 transitions. [2021-11-23 00:42:17,123 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 474 transitions. [2021-11-23 00:42:17,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:42:17,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:17,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:26,128 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:15,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:15,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 249 states and 508 transitions. [2021-11-23 00:43:15,850 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 508 transitions. [2021-11-23 00:43:15,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:43:15,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:15,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:16,019 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:18,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:18,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 250 states and 508 transitions. [2021-11-23 00:43:18,439 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 508 transitions. [2021-11-23 00:43:18,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:43:18,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:18,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:24,237 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:44:06,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:06,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 261 states and 539 transitions. [2021-11-23 00:44:06,290 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 539 transitions. [2021-11-23 00:44:06,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:44:06,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:06,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:06,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:06,393 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:44:11,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:11,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 263 states and 540 transitions. [2021-11-23 00:44:11,936 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 540 transitions. [2021-11-23 00:44:11,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:44:11,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:11,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:17,677 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:45:12,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:12,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 276 states and 573 transitions. [2021-11-23 00:45:12,019 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 573 transitions. [2021-11-23 00:45:12,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:45:12,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:12,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:12,104 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:45:15,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:15,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 277 states and 573 transitions. [2021-11-23 00:45:15,214 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 573 transitions. [2021-11-23 00:45:15,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:45:15,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:15,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:25,795 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:45:48,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:48,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 281 states and 584 transitions. [2021-11-23 00:45:48,894 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 584 transitions. [2021-11-23 00:45:48,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:45:48,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:48,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:48,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:54,749 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:46:45,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:45,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 291 states and 619 transitions. [2021-11-23 00:46:45,036 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 619 transitions. [2021-11-23 00:46:45,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:46:45,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:45,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:45,065 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:46:47,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:47,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 291 states and 618 transitions. [2021-11-23 00:46:47,787 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 618 transitions. [2021-11-23 00:46:47,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:46:47,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:47,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:47,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:47,929 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:46:55,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:55,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 293 states and 627 transitions. [2021-11-23 00:46:55,623 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 627 transitions. [2021-11-23 00:46:55,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:46:55,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:55,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:55,656 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:46:58,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:58,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 293 states and 626 transitions. [2021-11-23 00:46:58,972 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 626 transitions. [2021-11-23 00:46:58,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:46:58,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:58,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:58,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:59,263 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:47:03,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:03,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 294 states and 630 transitions. [2021-11-23 00:47:03,241 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 630 transitions. [2021-11-23 00:47:03,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:47:03,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:03,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:03,366 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:47:19,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:19,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 298 states and 634 transitions. [2021-11-23 00:47:19,626 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 634 transitions. [2021-11-23 00:47:19,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:47:19,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:19,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:19,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:19,753 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:47:33,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:33,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 301 states and 638 transitions. [2021-11-23 00:47:33,155 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 638 transitions. [2021-11-23 00:47:33,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:47:33,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:33,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:33,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:36,253 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.