./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13e12a0-150a-4a7c-993c-c7eb04e8a44a/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13e12a0-150a-4a7c-993c-c7eb04e8a44a/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13e12a0-150a-4a7c-993c-c7eb04e8a44a/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13e12a0-150a-4a7c-993c-c7eb04e8a44a/bin/ukojak-vF6T2TMglN/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13e12a0-150a-4a7c-993c-c7eb04e8a44a/bin/ukojak-vF6T2TMglN/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13e12a0-150a-4a7c-993c-c7eb04e8a44a/bin/ukojak-vF6T2TMglN --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 f22afdea3888c472e42c0b4bee511704d4ceb9c1e2d9f4db0ce5ffbd6de758f0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 06:28:47,332 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 06:28:47,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 06:28:47,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 06:28:47,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 06:28:47,389 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 06:28:47,391 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 06:28:47,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 06:28:47,398 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 06:28:47,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 06:28:47,407 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 06:28:47,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 06:28:47,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 06:28:47,412 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 06:28:47,415 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 06:28:47,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 06:28:47,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 06:28:47,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 06:28:47,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 06:28:47,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 06:28:47,432 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 06:28:47,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 06:28:47,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 06:28:47,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 06:28:47,450 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 06:28:47,450 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 06:28:47,451 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 06:28:47,453 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 06:28:47,454 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 06:28:47,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 06:28:47,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 06:28:47,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 06:28:47,459 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 06:28:47,460 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 06:28:47,462 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 06:28:47,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 06:28:47,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 06:28:47,464 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 06:28:47,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 06:28:47,465 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 06:28:47,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 06:28:47,466 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13e12a0-150a-4a7c-993c-c7eb04e8a44a/bin/ukojak-vF6T2TMglN/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-21 06:28:47,516 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 06:28:47,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 06:28:47,518 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 06:28:47,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 06:28:47,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 06:28:47,518 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 06:28:47,519 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 06:28:47,519 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 06:28:47,519 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 06:28:47,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 06:28:47,520 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-21 06:28:47,520 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-21 06:28:47,521 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-21 06:28:47,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 06:28:47,521 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 06:28:47,521 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 06:28:47,521 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 06:28:47,522 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 06:28:47,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 06:28:47,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:28:47,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 06:28:47,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 06:28:47,523 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 06:28:47,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 06:28:47,523 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_c13e12a0-150a-4a7c-993c-c7eb04e8a44a/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13e12a0-150a-4a7c-993c-c7eb04e8a44a/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f22afdea3888c472e42c0b4bee511704d4ceb9c1e2d9f4db0ce5ffbd6de758f0 [2021-11-21 06:28:47,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 06:28:47,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 06:28:47,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 06:28:47,861 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 06:28:47,862 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 06:28:47,863 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13e12a0-150a-4a7c-993c-c7eb04e8a44a/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca-1.i [2021-11-21 06:28:47,942 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13e12a0-150a-4a7c-993c-c7eb04e8a44a/bin/ukojak-vF6T2TMglN/data/248a4e61c/7f5103f3f5404ecab7ff0db3043d75ab/FLAG6fd17b369 [2021-11-21 06:28:48,480 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 06:28:48,480 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13e12a0-150a-4a7c-993c-c7eb04e8a44a/sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca-1.i [2021-11-21 06:28:48,494 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13e12a0-150a-4a7c-993c-c7eb04e8a44a/bin/ukojak-vF6T2TMglN/data/248a4e61c/7f5103f3f5404ecab7ff0db3043d75ab/FLAG6fd17b369 [2021-11-21 06:28:48,793 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13e12a0-150a-4a7c-993c-c7eb04e8a44a/bin/ukojak-vF6T2TMglN/data/248a4e61c/7f5103f3f5404ecab7ff0db3043d75ab [2021-11-21 06:28:48,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 06:28:48,797 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 06:28:48,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 06:28:48,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 06:28:48,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 06:28:48,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:28:48" (1/1) ... [2021-11-21 06:28:48,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58a706fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:48, skipping insertion in model container [2021-11-21 06:28:48,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:28:48" (1/1) ... [2021-11-21 06:28:48,828 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 06:28:48,868 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 06:28:49,252 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:28:49,260 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 06:28:49,294 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:28:49,323 INFO L208 MainTranslator]: Completed translation [2021-11-21 06:28:49,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:49 WrapperNode [2021-11-21 06:28:49,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 06:28:49,325 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 06:28:49,326 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 06:28:49,326 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 06:28:49,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:49" (1/1) ... [2021-11-21 06:28:49,347 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:49" (1/1) ... [2021-11-21 06:28:49,369 INFO L137 Inliner]: procedures = 117, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2021-11-21 06:28:49,369 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 06:28:49,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 06:28:49,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 06:28:49,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 06:28:49,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:49" (1/1) ... [2021-11-21 06:28:49,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:49" (1/1) ... [2021-11-21 06:28:49,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:49" (1/1) ... [2021-11-21 06:28:49,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:49" (1/1) ... [2021-11-21 06:28:49,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:49" (1/1) ... [2021-11-21 06:28:49,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:49" (1/1) ... [2021-11-21 06:28:49,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:49" (1/1) ... [2021-11-21 06:28:49,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 06:28:49,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 06:28:49,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 06:28:49,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 06:28:49,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:49" (1/1) ... [2021-11-21 06:28:49,407 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:28:49,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13e12a0-150a-4a7c-993c-c7eb04e8a44a/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 06:28:49,445 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13e12a0-150a-4a7c-993c-c7eb04e8a44a/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 06:28:49,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13e12a0-150a-4a7c-993c-c7eb04e8a44a/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 06:28:49,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 06:28:49,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 06:28:49,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 06:28:49,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 06:28:49,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 06:28:49,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 06:28:49,579 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 06:28:49,581 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 06:28:49,803 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 06:28:49,859 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 06:28:49,860 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-21 06:28:49,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:28:49 BoogieIcfgContainer [2021-11-21 06:28:49,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 06:28:49,863 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 06:28:49,863 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 06:28:49,870 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 06:28:49,871 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:28:49" (1/1) ... [2021-11-21 06:28:49,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 06:28:49,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:28:49,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2021-11-21 06:28:49,934 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2021-11-21 06:28:49,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 06:28:49,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:28:49,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:28:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:28:50,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:28:50,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:28:50,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2021-11-21 06:28:50,094 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2021-11-21 06:28:50,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 06:28:50,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:28:50,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:28:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:28:50,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:28:50,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:28:50,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2021-11-21 06:28:50,175 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2021-11-21 06:28:50,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 06:28:50,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:28:50,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:28:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:28:50,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:28:50,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:28:50,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2021-11-21 06:28:50,461 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2021-11-21 06:28:50,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 06:28:50,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:28:50,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:28:50,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:28:50,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:28:50,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:28:50,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2021-11-21 06:28:50,507 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2021-11-21 06:28:50,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 06:28:50,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:28:50,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:28:50,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:28:50,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:28:50,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:28:50,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2021-11-21 06:28:50,913 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2021-11-21 06:28:50,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 06:28:50,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:28:50,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:28:50,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:28:51,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:28:51,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:28:51,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2021-11-21 06:28:51,604 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2021-11-21 06:28:51,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 06:28:51,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:28:51,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:28:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:28:51,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:28:52,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:28:52,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2021-11-21 06:28:52,160 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2021-11-21 06:28:52,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 06:28:52,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:28:52,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:28:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:28:52,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:28:52,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:28:52,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2021-11-21 06:28:52,294 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2021-11-21 06:28:52,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 06:28:52,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:28:52,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:28:52,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:28:52,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:28:52,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:28:52,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2021-11-21 06:28:52,646 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2021-11-21 06:28:52,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 06:28:52,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:28:52,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:28:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:28:52,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:28:53,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:28:53,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2021-11-21 06:28:53,699 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2021-11-21 06:28:53,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 06:28:53,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:28:53,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:28:53,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:28:53,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:28:55,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:28:55,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 56 transitions. [2021-11-21 06:28:55,410 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2021-11-21 06:28:55,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 06:28:55,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:28:55,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:28:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:28:55,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:28:55,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:28:55,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2021-11-21 06:28:55,795 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2021-11-21 06:28:55,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 06:28:55,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:28:55,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:28:55,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:28:55,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:28:56,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:28:56,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2021-11-21 06:28:56,036 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2021-11-21 06:28:56,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 06:28:56,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:28:56,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:28:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:28:56,446 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:28:58,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:28:58,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2021-11-21 06:28:58,372 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2021-11-21 06:28:58,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 06:28:58,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:28:58,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:28:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:28:58,491 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:28:58,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:28:58,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2021-11-21 06:28:58,870 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2021-11-21 06:28:58,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 06:28:58,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:28:58,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:28:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:28:59,170 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:29:00,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:00,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 34 states and 50 transitions. [2021-11-21 06:29:00,360 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2021-11-21 06:29:00,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 06:29:00,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:00,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:00,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:00,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:29:02,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:02,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 38 states and 59 transitions. [2021-11-21 06:29:02,850 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 59 transitions. [2021-11-21 06:29:02,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 06:29:02,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:02,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:03,070 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:29:04,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:04,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2021-11-21 06:29:04,640 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2021-11-21 06:29:04,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 06:29:04,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:04,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:04,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:04,987 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:29:06,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:06,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 39 states and 59 transitions. [2021-11-21 06:29:06,139 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 59 transitions. [2021-11-21 06:29:06,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 06:29:06,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:06,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:06,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 06:29:07,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:07,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2021-11-21 06:29:07,746 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2021-11-21 06:29:07,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 06:29:07,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:07,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:07,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:07,936 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:29:11,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:11,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 44 states and 67 transitions. [2021-11-21 06:29:11,346 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2021-11-21 06:29:11,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 06:29:11,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:11,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:11,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:11,364 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 06:29:12,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:12,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 45 states and 69 transitions. [2021-11-21 06:29:12,056 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 69 transitions. [2021-11-21 06:29:12,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 06:29:12,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:12,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:12,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:13,682 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:29:21,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:21,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 53 states and 85 transitions. [2021-11-21 06:29:21,293 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 85 transitions. [2021-11-21 06:29:21,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 06:29:21,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:21,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:21,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:21,318 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 06:29:21,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:21,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 53 states and 84 transitions. [2021-11-21 06:29:21,824 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 84 transitions. [2021-11-21 06:29:21,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 06:29:21,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:21,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:21,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:21,860 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 06:29:24,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:24,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 58 states and 91 transitions. [2021-11-21 06:29:24,291 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 91 transitions. [2021-11-21 06:29:24,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 06:29:24,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:24,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:24,317 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 06:29:24,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:24,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 55 states and 85 transitions. [2021-11-21 06:29:24,924 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 85 transitions. [2021-11-21 06:29:24,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 06:29:24,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:24,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:25,844 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:29:32,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:32,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 61 states and 98 transitions. [2021-11-21 06:29:32,026 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 98 transitions. [2021-11-21 06:29:32,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 06:29:32,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:32,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:32,065 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-21 06:29:32,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:32,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 62 states and 100 transitions. [2021-11-21 06:29:32,769 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 100 transitions. [2021-11-21 06:29:32,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 06:29:32,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:32,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:32,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:32,790 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-21 06:29:34,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:34,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 63 states and 100 transitions. [2021-11-21 06:29:34,089 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 100 transitions. [2021-11-21 06:29:34,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 06:29:34,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:34,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:34,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:34,129 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-21 06:29:36,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:36,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 67 states and 106 transitions. [2021-11-21 06:29:36,225 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 106 transitions. [2021-11-21 06:29:36,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 06:29:36,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:36,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:36,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:36,669 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:29:43,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:29:43,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 73 states and 120 transitions. [2021-11-21 06:29:43,838 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 120 transitions. [2021-11-21 06:29:43,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 06:29:43,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:29:43,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:29:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:29:46,205 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:30:01,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:30:01,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 84 states and 148 transitions. [2021-11-21 06:30:01,743 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 148 transitions. [2021-11-21 06:30:01,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 06:30:01,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:30:01,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:30:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:30:03,687 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:30:14,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:30:14,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 92 states and 164 transitions. [2021-11-21 06:30:14,445 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 164 transitions. [2021-11-21 06:30:14,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 06:30:14,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:30:14,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:30:14,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:30:14,482 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-21 06:30:17,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:30:17,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 95 states and 169 transitions. [2021-11-21 06:30:17,256 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 169 transitions. [2021-11-21 06:30:17,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 06:30:17,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:30:17,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:30:17,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:30:18,974 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:30:30,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:30:30,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 101 states and 182 transitions. [2021-11-21 06:30:30,089 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 182 transitions. [2021-11-21 06:30:30,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 06:30:30,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:30:30,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:30:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:30:30,398 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-21 06:30:34,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:30:34,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 106 states and 198 transitions. [2021-11-21 06:30:34,601 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 198 transitions. [2021-11-21 06:30:34,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 06:30:34,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:30:34,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:30:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:30:36,484 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:30:53,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:30:53,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 117 states and 227 transitions. [2021-11-21 06:30:53,656 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 227 transitions. [2021-11-21 06:30:53,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 06:30:53,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:30:53,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:30:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:30:53,718 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:31:00,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:00,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 123 states and 242 transitions. [2021-11-21 06:31:00,192 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 242 transitions. [2021-11-21 06:31:00,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 06:31:00,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:00,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:00,227 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-21 06:31:01,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:01,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 124 states and 242 transitions. [2021-11-21 06:31:01,441 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 242 transitions. [2021-11-21 06:31:01,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 06:31:01,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:01,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:02,539 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 9 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:31:06,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:06,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 121 states and 235 transitions. [2021-11-21 06:31:06,884 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 235 transitions. [2021-11-21 06:31:06,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 06:31:06,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:06,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:06,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:10,195 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:31:24,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:24,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 130 states and 256 transitions. [2021-11-21 06:31:24,564 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 256 transitions. [2021-11-21 06:31:24,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 06:31:24,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:24,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:24,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:25,060 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:31:32,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:32,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 136 states and 271 transitions. [2021-11-21 06:31:32,424 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 271 transitions. [2021-11-21 06:31:32,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 06:31:32,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:32,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:33,037 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:31:35,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:35,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 138 states and 274 transitions. [2021-11-21 06:31:35,385 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 274 transitions. [2021-11-21 06:31:35,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 06:31:35,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:35,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:35,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:35,436 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-21 06:31:36,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:36,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 139 states and 274 transitions. [2021-11-21 06:31:36,873 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 274 transitions. [2021-11-21 06:31:36,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 06:31:36,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:36,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:36,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:36,911 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-21 06:31:38,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:38,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 140 states and 274 transitions. [2021-11-21 06:31:38,214 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 274 transitions. [2021-11-21 06:31:38,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 06:31:38,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:38,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:39,847 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:31:50,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:50,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 146 states and 285 transitions. [2021-11-21 06:31:50,991 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 285 transitions. [2021-11-21 06:31:50,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 06:31:50,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:50,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:51,052 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:31:59,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:59,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 152 states and 296 transitions. [2021-11-21 06:31:59,265 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 296 transitions. [2021-11-21 06:31:59,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 06:31:59,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:59,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:59,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:32:02,434 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 9 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:32:21,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:32:21,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 160 states and 316 transitions. [2021-11-21 06:32:21,758 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 316 transitions. [2021-11-21 06:32:21,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 06:32:21,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:32:21,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:32:21,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:32:21,826 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 9 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:32:30,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:32:30,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 166 states and 331 transitions. [2021-11-21 06:32:30,589 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 331 transitions. [2021-11-21 06:32:30,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 06:32:30,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:32:30,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:32:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:32:32,527 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 9 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:32:52,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:32:52,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 174 states and 356 transitions. [2021-11-21 06:32:52,381 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 356 transitions. [2021-11-21 06:32:52,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 06:32:52,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:32:52,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:32:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:32:52,444 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 9 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:33:02,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:33:02,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 182 states and 372 transitions. [2021-11-21 06:33:02,689 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 372 transitions. [2021-11-21 06:33:02,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 06:33:02,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:33:02,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:33:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:33:02,753 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 9 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:33:11,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:33:11,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 188 states and 383 transitions. [2021-11-21 06:33:11,835 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 383 transitions. [2021-11-21 06:33:11,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 06:33:11,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:33:11,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:33:11,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:33:11,899 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 9 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:33:21,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:33:21,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 194 states and 394 transitions. [2021-11-21 06:33:21,093 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 394 transitions. [2021-11-21 06:33:21,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 06:33:21,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:33:21,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:33:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:33:26,134 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 5 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:33:52,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:33:52,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 205 states and 417 transitions. [2021-11-21 06:33:52,564 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 417 transitions. [2021-11-21 06:33:52,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 06:33:52,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:33:52,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:33:52,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:33:53,250 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 5 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:34:03,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:34:03,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 211 states and 429 transitions. [2021-11-21 06:34:03,216 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 429 transitions. [2021-11-21 06:34:03,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 06:34:03,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:34:03,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:34:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:34:03,951 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 5 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:34:14,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:34:14,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 217 states and 445 transitions. [2021-11-21 06:34:14,302 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 445 transitions. [2021-11-21 06:34:14,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 06:34:14,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:34:14,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:34:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:34:15,214 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 5 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:34:25,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:34:25,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 223 states and 460 transitions. [2021-11-21 06:34:25,317 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 460 transitions. [2021-11-21 06:34:25,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 06:34:25,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:34:25,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:34:25,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:34:26,030 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 5 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:34:27,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:34:27,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 225 states and 462 transitions. [2021-11-21 06:34:27,823 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 462 transitions. [2021-11-21 06:34:27,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 06:34:27,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:34:27,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:34:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:34:30,558 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 27 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:34:49,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:34:49,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 232 states and 475 transitions. [2021-11-21 06:34:49,512 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 475 transitions. [2021-11-21 06:34:49,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 06:34:49,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:34:49,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:34:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:34:49,549 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-21 06:34:51,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:34:51,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 233 states and 475 transitions. [2021-11-21 06:34:51,508 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 475 transitions. [2021-11-21 06:34:51,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 06:34:51,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:34:51,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:34:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:34:51,574 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 27 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:35:02,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:35:02,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 239 states and 486 transitions. [2021-11-21 06:35:02,508 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 486 transitions. [2021-11-21 06:35:02,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 06:35:02,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:35:02,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:35:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:35:02,578 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 27 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:35:13,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:35:13,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 245 states and 497 transitions. [2021-11-21 06:35:13,522 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 497 transitions. [2021-11-21 06:35:13,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 06:35:13,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:35:13,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:35:13,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:35:13,592 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 27 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:35:24,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:35:24,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 251 states and 511 transitions. [2021-11-21 06:35:24,689 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 511 transitions. [2021-11-21 06:35:24,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 06:35:24,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:35:24,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:35:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:35:24,725 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-21 06:35:26,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:35:26,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 252 states and 511 transitions. [2021-11-21 06:35:26,971 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 511 transitions. [2021-11-21 06:35:26,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 06:35:26,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:35:26,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:35:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:35:32,840 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 16 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:35:59,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:35:59,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 258 states and 527 transitions. [2021-11-21 06:35:59,400 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 527 transitions. [2021-11-21 06:35:59,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 06:35:59,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:35:59,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:35:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:35:59,474 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 16 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:01,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:01,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 260 states and 530 transitions. [2021-11-21 06:36:01,557 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 530 transitions. [2021-11-21 06:36:01,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 06:36:01,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:01,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:01,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:01,631 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 16 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:13,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:13,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 266 states and 543 transitions. [2021-11-21 06:36:13,368 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 543 transitions. [2021-11-21 06:36:13,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 06:36:13,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:13,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:13,449 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 16 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:25,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:25,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 272 states and 554 transitions. [2021-11-21 06:36:25,287 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 554 transitions. [2021-11-21 06:36:25,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 06:36:25,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:25,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:25,372 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 16 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:37,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:37,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 278 states and 565 transitions. [2021-11-21 06:36:37,586 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 565 transitions. [2021-11-21 06:36:37,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 06:36:37,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:37,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:43,840 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 16 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:18,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:18,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 284 states and 576 transitions. [2021-11-21 06:37:18,789 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 576 transitions. [2021-11-21 06:37:18,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 06:37:18,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:18,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:18,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:18,838 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-21 06:37:25,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:25,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 287 states and 576 transitions. [2021-11-21 06:37:25,668 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 576 transitions. [2021-11-21 06:37:25,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 06:37:25,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:25,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:25,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:25,743 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 16 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:38,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:38,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 293 states and 587 transitions. [2021-11-21 06:37:38,319 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 587 transitions. [2021-11-21 06:37:38,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 06:37:38,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:38,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:38,387 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 16 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:51,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:51,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 299 states and 598 transitions. [2021-11-21 06:37:51,418 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 598 transitions. [2021-11-21 06:37:51,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 06:37:51,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:51,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:51,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:51,486 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 16 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:38:04,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:38:04,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 305 states and 609 transitions. [2021-11-21 06:38:04,644 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 609 transitions. [2021-11-21 06:38:04,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 06:38:04,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:38:04,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:38:04,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:38:04,714 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 16 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:38:17,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:38:17,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 311 states and 620 transitions. [2021-11-21 06:38:17,737 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 620 transitions. [2021-11-21 06:38:17,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 06:38:17,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:38:17,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:38:17,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:38:17,803 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 16 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:38:31,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:38:31,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 317 states and 635 transitions. [2021-11-21 06:38:31,277 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 635 transitions. [2021-11-21 06:38:31,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 06:38:31,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:38:31,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:38:31,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:38:31,313 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-21 06:38:33,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:38:33,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 318 states and 635 transitions. [2021-11-21 06:38:33,749 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 635 transitions. [2021-11-21 06:38:33,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 06:38:33,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:38:33,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:38:33,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:38:33,818 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 16 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:38:47,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:38:47,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 324 states and 646 transitions. [2021-11-21 06:38:47,082 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 646 transitions. [2021-11-21 06:38:47,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 06:38:47,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:38:47,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:38:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:38:47,116 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-21 06:38:49,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:38:49,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 325 states and 646 transitions. [2021-11-21 06:38:49,674 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 646 transitions. [2021-11-21 06:38:49,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 06:38:49,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:38:49,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:38:49,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:38:49,742 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 16 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:39:03,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:39:03,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 331 states and 657 transitions. [2021-11-21 06:39:03,194 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 657 transitions. [2021-11-21 06:39:03,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-21 06:39:03,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:39:03,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:39:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:39:11,553 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 6 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:39:53,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:39:53,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 342 states and 684 transitions. [2021-11-21 06:39:53,615 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 684 transitions. [2021-11-21 06:39:53,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-21 06:39:53,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:39:53,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:39:53,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:39:54,621 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 6 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:40:09,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:09,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 348 states and 696 transitions. [2021-11-21 06:40:09,468 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 696 transitions. [2021-11-21 06:40:09,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-21 06:40:09,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:09,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:10,534 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 6 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:40:25,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:25,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 354 states and 708 transitions. [2021-11-21 06:40:25,027 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 708 transitions. [2021-11-21 06:40:25,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-21 06:40:25,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:25,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:26,102 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 6 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:40:40,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:40,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 360 states and 720 transitions. [2021-11-21 06:40:40,729 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 720 transitions. [2021-11-21 06:40:40,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-21 06:40:40,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:40,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:41,756 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 6 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:40:56,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:56,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 366 states and 732 transitions. [2021-11-21 06:40:56,682 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 732 transitions. [2021-11-21 06:40:56,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-21 06:40:56,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:56,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:56,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:57,707 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 6 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.