./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-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_d531129f-60bc-4d39-a598-f996c32fa382/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531129f-60bc-4d39-a598-f996c32fa382/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_d531129f-60bc-4d39-a598-f996c32fa382/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531129f-60bc-4d39-a598-f996c32fa382/bin/ukojak-vF6T2TMglN/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531129f-60bc-4d39-a598-f996c32fa382/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_d531129f-60bc-4d39-a598-f996c32fa382/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 34ebd55fb329f5d1f91a7448416ebb87d44ad143bdc373b65c05d35b2199abdd --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:57:59,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:57:59,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:57:59,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:57:59,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:57:59,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:57:59,467 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:57:59,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:57:59,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:57:59,482 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:57:59,483 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:57:59,484 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:57:59,485 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:57:59,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:57:59,488 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:57:59,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:57:59,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:57:59,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:57:59,494 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:57:59,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:57:59,510 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:57:59,512 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:57:59,516 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:57:59,517 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:57:59,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:57:59,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:57:59,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:57:59,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:57:59,528 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:57:59,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:57:59,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:57:59,532 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:57:59,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:57:59,535 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:57:59,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:57:59,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:57:59,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:57:59,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:57:59,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:57:59,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:57:59,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:57:59,541 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531129f-60bc-4d39-a598-f996c32fa382/bin/ukojak-vF6T2TMglN/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-21 05:57:59,587 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:57:59,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:57:59,589 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:57:59,589 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:57:59,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:57:59,590 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 05:57:59,590 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 05:57:59,590 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:57:59,596 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 05:57:59,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:57:59,597 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-21 05:57:59,598 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-21 05:57:59,598 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-21 05:57:59,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:57:59,598 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 05:57:59,598 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:57:59,599 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:57:59,599 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:57:59,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:57:59,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:57:59,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:57:59,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:57:59,600 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:57:59,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:57:59,600 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_d531129f-60bc-4d39-a598-f996c32fa382/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531129f-60bc-4d39-a598-f996c32fa382/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34ebd55fb329f5d1f91a7448416ebb87d44ad143bdc373b65c05d35b2199abdd [2021-11-21 05:57:59,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:57:59,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:57:59,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:57:59,898 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:57:59,899 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:57:59,900 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531129f-60bc-4d39-a598-f996c32fa382/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i [2021-11-21 05:57:59,971 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531129f-60bc-4d39-a598-f996c32fa382/bin/ukojak-vF6T2TMglN/data/6df1c9a2c/be1b3f2c33b140e39d0bb0e26e76518c/FLAG217374c1b [2021-11-21 05:58:00,485 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:58:00,486 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531129f-60bc-4d39-a598-f996c32fa382/sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i [2021-11-21 05:58:00,498 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531129f-60bc-4d39-a598-f996c32fa382/bin/ukojak-vF6T2TMglN/data/6df1c9a2c/be1b3f2c33b140e39d0bb0e26e76518c/FLAG217374c1b [2021-11-21 05:58:00,801 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531129f-60bc-4d39-a598-f996c32fa382/bin/ukojak-vF6T2TMglN/data/6df1c9a2c/be1b3f2c33b140e39d0bb0e26e76518c [2021-11-21 05:58:00,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:58:00,804 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:58:00,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:58:00,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:58:00,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:58:00,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:58:00" (1/1) ... [2021-11-21 05:58:00,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31719e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:58:00, skipping insertion in model container [2021-11-21 05:58:00,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:58:00" (1/1) ... [2021-11-21 05:58:00,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:58:00,868 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:58:01,184 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:58:01,195 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:58:01,264 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:58:01,292 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:58:01,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:58:01 WrapperNode [2021-11-21 05:58:01,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:58:01,294 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:58:01,294 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:58:01,295 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:58:01,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:58:01" (1/1) ... [2021-11-21 05:58:01,315 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:58:01" (1/1) ... [2021-11-21 05:58:01,336 INFO L137 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 91 [2021-11-21 05:58:01,337 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:58:01,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:58:01,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:58:01,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:58:01,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:58:01" (1/1) ... [2021-11-21 05:58:01,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:58:01" (1/1) ... [2021-11-21 05:58:01,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:58:01" (1/1) ... [2021-11-21 05:58:01,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:58:01" (1/1) ... [2021-11-21 05:58:01,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:58:01" (1/1) ... [2021-11-21 05:58:01,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:58:01" (1/1) ... [2021-11-21 05:58:01,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:58:01" (1/1) ... [2021-11-21 05:58:01,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:58:01,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:58:01,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:58:01,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:58:01,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:58:01" (1/1) ... [2021-11-21 05:58:01,375 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:58:01,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531129f-60bc-4d39-a598-f996c32fa382/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:58:01,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531129f-60bc-4d39-a598-f996c32fa382/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:58:01,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d531129f-60bc-4d39-a598-f996c32fa382/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:58:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 05:58:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 05:58:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 05:58:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 05:58:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:58:01,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:58:01,529 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:58:01,530 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:58:01,719 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:58:01,775 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:58:01,775 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-21 05:58:01,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:58:01 BoogieIcfgContainer [2021-11-21 05:58:01,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:58:01,779 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:58:01,779 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:58:01,789 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:58:01,790 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:58:01" (1/1) ... [2021-11-21 05:58:01,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:58:01,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:01,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 36 states and 40 transitions. [2021-11-21 05:58:01,879 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2021-11-21 05:58:01,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 05:58:01,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:01,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:02,145 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 05:58:02,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:02,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 35 states and 39 transitions. [2021-11-21 05:58:02,207 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2021-11-21 05:58:02,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 05:58:02,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:02,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:02,304 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 05:58:02,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:02,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 37 states and 43 transitions. [2021-11-21 05:58:02,502 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2021-11-21 05:58:02,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:58:02,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:02,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:02,535 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 05:58:02,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:02,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 47 transitions. [2021-11-21 05:58:02,560 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2021-11-21 05:58:02,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:58:02,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:02,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:02,711 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 05:58:03,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:03,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 41 states and 52 transitions. [2021-11-21 05:58:03,027 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2021-11-21 05:58:03,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:58:03,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:03,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:03,114 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 05:58:03,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:03,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 43 states and 58 transitions. [2021-11-21 05:58:03,423 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2021-11-21 05:58:03,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:58:03,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:03,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:03,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:03,628 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 05:58:04,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:04,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2021-11-21 05:58:04,237 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2021-11-21 05:58:04,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 05:58:04,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:04,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:04,267 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 05:58:04,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:04,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 47 states and 70 transitions. [2021-11-21 05:58:04,285 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 70 transitions. [2021-11-21 05:58:04,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 05:58:04,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:04,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:04,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:04,362 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 05:58:05,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:05,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 50 states and 76 transitions. [2021-11-21 05:58:05,208 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 76 transitions. [2021-11-21 05:58:05,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 05:58:05,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:05,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:05,367 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 05:58:05,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:05,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 53 states and 83 transitions. [2021-11-21 05:58:05,981 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 83 transitions. [2021-11-21 05:58:05,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 05:58:05,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:05,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:05,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:06,146 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 05:58:06,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:06,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 55 states and 88 transitions. [2021-11-21 05:58:06,446 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 88 transitions. [2021-11-21 05:58:06,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 05:58:06,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:06,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:06,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:06,510 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 05:58:06,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:06,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 56 states and 90 transitions. [2021-11-21 05:58:06,922 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 90 transitions. [2021-11-21 05:58:06,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 05:58:06,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:06,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:06,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:06,991 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 05:58:07,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:07,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 57 states and 90 transitions. [2021-11-21 05:58:07,221 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 90 transitions. [2021-11-21 05:58:07,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 05:58:07,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:07,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:07,259 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 05:58:07,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:07,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 58 states and 90 transitions. [2021-11-21 05:58:07,472 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 90 transitions. [2021-11-21 05:58:07,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 05:58:07,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:07,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:07,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:07,641 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 05:58:08,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:08,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 61 states and 101 transitions. [2021-11-21 05:58:08,537 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 101 transitions. [2021-11-21 05:58:08,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 05:58:08,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:08,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:08,574 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 05:58:09,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:09,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 62 states and 106 transitions. [2021-11-21 05:58:09,054 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 106 transitions. [2021-11-21 05:58:09,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 05:58:09,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:09,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:09,072 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 05:58:09,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:09,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 63 states and 110 transitions. [2021-11-21 05:58:09,546 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 110 transitions. [2021-11-21 05:58:09,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 05:58:09,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:09,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:09,772 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 05:58:10,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:10,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 64 states and 113 transitions. [2021-11-21 05:58:10,232 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 113 transitions. [2021-11-21 05:58:10,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 05:58:10,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:10,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:10,388 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 05:58:10,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:10,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 66 states and 117 transitions. [2021-11-21 05:58:10,764 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 117 transitions. [2021-11-21 05:58:10,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 05:58:10,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:10,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:10,971 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 05:58:11,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:11,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 68 states and 122 transitions. [2021-11-21 05:58:11,674 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 122 transitions. [2021-11-21 05:58:11,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 05:58:11,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:11,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:11,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:11,894 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 05:58:12,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:12,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 69 states and 124 transitions. [2021-11-21 05:58:12,407 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 124 transitions. [2021-11-21 05:58:12,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 05:58:12,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:12,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:12,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:12,437 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 05:58:13,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:13,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 70 states and 127 transitions. [2021-11-21 05:58:13,155 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 127 transitions. [2021-11-21 05:58:13,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 05:58:13,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:13,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:13,397 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:13,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:13,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 65 states and 111 transitions. [2021-11-21 05:58:13,895 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 111 transitions. [2021-11-21 05:58:13,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 05:58:13,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:13,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:13,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:13,924 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 05:58:14,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:14,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 66 states and 111 transitions. [2021-11-21 05:58:14,184 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 111 transitions. [2021-11-21 05:58:14,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 05:58:14,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:14,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:14,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:14,457 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:14,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:14,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 67 states and 113 transitions. [2021-11-21 05:58:14,985 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 113 transitions. [2021-11-21 05:58:14,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 05:58:14,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:14,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:14,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:15,013 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 05:58:15,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:15,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 68 states and 113 transitions. [2021-11-21 05:58:15,436 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 113 transitions. [2021-11-21 05:58:15,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 05:58:15,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:15,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:15,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:15,486 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 05:58:15,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:15,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 67 states and 108 transitions. [2021-11-21 05:58:15,869 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 108 transitions. [2021-11-21 05:58:15,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 05:58:15,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:15,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:15,882 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 05:58:16,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:16,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 43 states and 59 transitions. [2021-11-21 05:58:16,306 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 59 transitions. [2021-11-21 05:58:16,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:58:16,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:16,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:16,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:16,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:16,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:16,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 45 states and 63 transitions. [2021-11-21 05:58:16,774 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2021-11-21 05:58:16,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:58:16,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:16,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:16,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:16,949 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 05:58:17,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:17,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 48 states and 68 transitions. [2021-11-21 05:58:17,657 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 68 transitions. [2021-11-21 05:58:17,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:58:17,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:17,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:17,798 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 05:58:17,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:17,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 49 states and 69 transitions. [2021-11-21 05:58:17,921 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2021-11-21 05:58:17,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:58:17,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:17,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:18,086 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 05:58:18,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:18,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 50 states and 70 transitions. [2021-11-21 05:58:18,560 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 70 transitions. [2021-11-21 05:58:18,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:58:18,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:18,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:18,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:18,583 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 05:58:19,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:19,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 45 states and 60 transitions. [2021-11-21 05:58:19,083 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2021-11-21 05:58:19,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 05:58:19,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:19,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:19,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:19,300 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 05:58:19,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:19,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 48 states and 66 transitions. [2021-11-21 05:58:19,949 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 66 transitions. [2021-11-21 05:58:19,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 05:58:19,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:19,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:20,392 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 05:58:22,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:22,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 51 states and 71 transitions. [2021-11-21 05:58:22,126 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 71 transitions. [2021-11-21 05:58:22,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 05:58:22,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:22,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:22,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:23,036 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 05:58:28,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:28,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 59 states and 88 transitions. [2021-11-21 05:58:28,356 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 88 transitions. [2021-11-21 05:58:28,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 05:58:28,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:28,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:29,845 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 05:58:34,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:34,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 64 states and 96 transitions. [2021-11-21 05:58:34,428 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 96 transitions. [2021-11-21 05:58:34,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 05:58:34,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:34,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:34,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:34,785 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 05:58:41,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:41,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 72 states and 113 transitions. [2021-11-21 05:58:41,581 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 113 transitions. [2021-11-21 05:58:41,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 05:58:41,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:41,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:42,316 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 05:58:44,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:44,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 74 states and 116 transitions. [2021-11-21 05:58:44,366 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 116 transitions. [2021-11-21 05:58:44,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 05:58:44,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:44,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:44,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:45,693 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 05:58:53,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:53,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 80 states and 128 transitions. [2021-11-21 05:58:53,233 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 128 transitions. [2021-11-21 05:58:53,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 05:58:53,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:53,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:53,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:53,258 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 05:58:55,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:55,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 82 states and 130 transitions. [2021-11-21 05:58:55,497 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 130 transitions. [2021-11-21 05:58:55,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 05:58:55,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:55,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:55,546 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 05:59:03,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:03,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 90 states and 145 transitions. [2021-11-21 05:59:03,072 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 145 transitions. [2021-11-21 05:59:03,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 05:59:03,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:03,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:03,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:03,112 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 05:59:06,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:06,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 93 states and 152 transitions. [2021-11-21 05:59:06,402 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 152 transitions. [2021-11-21 05:59:06,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 05:59:06,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:06,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:06,453 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 05:59:10,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:10,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 97 states and 158 transitions. [2021-11-21 05:59:10,208 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 158 transitions. [2021-11-21 05:59:10,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 05:59:10,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:10,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:10,280 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:59:12,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:12,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 100 states and 161 transitions. [2021-11-21 05:59:12,517 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 161 transitions. [2021-11-21 05:59:12,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 05:59:12,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:12,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:14,014 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:59:20,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:20,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 105 states and 169 transitions. [2021-11-21 05:59:20,360 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 169 transitions. [2021-11-21 05:59:20,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:59:20,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:20,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:20,403 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 05:59:22,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:22,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 107 states and 172 transitions. [2021-11-21 05:59:22,400 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 172 transitions. [2021-11-21 05:59:22,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:59:22,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:22,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:23,740 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 05:59:35,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:35,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 117 states and 204 transitions. [2021-11-21 05:59:35,549 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 204 transitions. [2021-11-21 05:59:35,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:59:35,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:35,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:35,588 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:59:36,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:36,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 118 states and 204 transitions. [2021-11-21 05:59:36,659 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 204 transitions. [2021-11-21 05:59:36,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:59:36,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:36,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:37,971 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:59:46,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:46,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 125 states and 217 transitions. [2021-11-21 05:59:46,890 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 217 transitions. [2021-11-21 05:59:46,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:59:46,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:46,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:46,930 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 05:59:48,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:48,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 114 states and 196 transitions. [2021-11-21 05:59:48,172 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 196 transitions. [2021-11-21 05:59:48,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:59:48,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:48,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:48,441 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 05:59:50,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:50,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 116 states and 200 transitions. [2021-11-21 05:59:50,254 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 200 transitions. [2021-11-21 05:59:50,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:59:50,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:50,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:50,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:51,114 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 05:59:54,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:54,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 118 states and 201 transitions. [2021-11-21 05:59:54,150 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 201 transitions. [2021-11-21 05:59:54,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:59:54,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:54,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:54,168 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 05:59:55,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:55,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 118 states and 200 transitions. [2021-11-21 05:59:55,185 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 200 transitions. [2021-11-21 05:59:55,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:59:55,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:55,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:55,451 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:59:56,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:56,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 118 states and 199 transitions. [2021-11-21 05:59:56,724 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 199 transitions. [2021-11-21 05:59:56,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:59:56,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:56,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:56,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:56,740 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:59:57,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:57,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 118 states and 198 transitions. [2021-11-21 05:59:57,928 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 198 transitions. [2021-11-21 05:59:57,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 05:59:57,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:57,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:57,950 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 05:59:59,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:59,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 120 states and 202 transitions. [2021-11-21 05:59:59,088 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 202 transitions. [2021-11-21 05:59:59,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 05:59:59,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:59,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:59,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:59,836 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:00:02,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:02,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 122 states and 208 transitions. [2021-11-21 06:00:02,606 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 208 transitions. [2021-11-21 06:00:02,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 06:00:02,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:02,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:03,304 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:00:06,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:06,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 124 states and 212 transitions. [2021-11-21 06:00:06,423 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 212 transitions. [2021-11-21 06:00:06,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 06:00:06,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:06,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:06,444 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 06:00:08,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:08,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 124 states and 210 transitions. [2021-11-21 06:00:08,136 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 210 transitions. [2021-11-21 06:00:08,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 06:00:08,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:08,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:08,154 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 06:00:09,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:09,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 122 states and 207 transitions. [2021-11-21 06:00:09,340 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 207 transitions. [2021-11-21 06:00:09,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 06:00:09,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:09,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:09,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:10,908 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 06:00:13,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:13,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 123 states and 207 transitions. [2021-11-21 06:00:13,604 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 207 transitions. [2021-11-21 06:00:13,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 06:00:13,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:13,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:16,924 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:00:42,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:42,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 138 states and 241 transitions. [2021-11-21 06:00:42,895 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 241 transitions. [2021-11-21 06:00:42,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 06:00:42,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:42,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:42,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:43,018 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:00:59,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:59,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 149 states and 266 transitions. [2021-11-21 06:00:59,180 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 266 transitions. [2021-11-21 06:00:59,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 06:00:59,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:59,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:05,921 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 06:01:25,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:25,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 157 states and 281 transitions. [2021-11-21 06:01:25,326 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 281 transitions. [2021-11-21 06:01:25,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 06:01:25,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:25,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:25,637 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 06:01:39,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:39,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 166 states and 298 transitions. [2021-11-21 06:01:39,966 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 298 transitions. [2021-11-21 06:01:39,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 06:01:39,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:39,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:40,007 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 06:01:49,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:49,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 172 states and 312 transitions. [2021-11-21 06:01:49,636 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 312 transitions. [2021-11-21 06:01:49,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 06:01:49,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:49,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:49,697 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 06:01:51,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:51,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 173 states and 316 transitions. [2021-11-21 06:01:51,296 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 316 transitions. [2021-11-21 06:01:51,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 06:01:51,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:51,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:51,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:51,317 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 06:01:52,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:52,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 174 states and 318 transitions. [2021-11-21 06:01:52,692 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 318 transitions. [2021-11-21 06:01:52,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 06:01:52,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:52,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:52,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:54,323 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 06:02:01,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:01,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 175 states and 318 transitions. [2021-11-21 06:02:01,665 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 318 transitions. [2021-11-21 06:02:01,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 06:02:01,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:01,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:01,680 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 06:02:03,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:03,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 173 states and 314 transitions. [2021-11-21 06:02:03,190 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 314 transitions. [2021-11-21 06:02:03,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 06:02:03,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:03,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:06,431 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:02:32,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:32,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 182 states and 341 transitions. [2021-11-21 06:02:32,016 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 341 transitions. [2021-11-21 06:02:32,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 06:02:32,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:32,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:32,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:32,061 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:02:51,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:51,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 189 states and 353 transitions. [2021-11-21 06:02:51,700 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 353 transitions. [2021-11-21 06:02:51,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 06:02:51,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:51,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:51,744 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:02:53,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:53,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 190 states and 357 transitions. [2021-11-21 06:02:53,444 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 357 transitions. [2021-11-21 06:02:53,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 06:02:53,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:53,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:53,490 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 06:03:00,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:00,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 194 states and 361 transitions. [2021-11-21 06:03:00,822 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 361 transitions. [2021-11-21 06:03:00,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 06:03:00,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:00,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:00,863 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 06:03:11,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:11,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 200 states and 371 transitions. [2021-11-21 06:03:11,473 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 371 transitions. [2021-11-21 06:03:11,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 06:03:11,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:11,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:11,674 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 06:03:20,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:20,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 205 states and 380 transitions. [2021-11-21 06:03:20,624 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 380 transitions. [2021-11-21 06:03:20,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 06:03:20,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:20,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:20,665 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 06:03:31,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:31,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 211 states and 391 transitions. [2021-11-21 06:03:31,447 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 391 transitions. [2021-11-21 06:03:31,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 06:03:31,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:31,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:35,877 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 06:03:58,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:58,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 220 states and 410 transitions. [2021-11-21 06:03:58,319 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 410 transitions. [2021-11-21 06:03:58,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 06:03:58,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:58,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:58,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:58,405 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 06:04:15,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:04:15,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 228 states and 427 transitions. [2021-11-21 06:04:15,558 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 427 transitions. [2021-11-21 06:04:15,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 06:04:15,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:04:15,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:04:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:04:15,577 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-21 06:04:17,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:04:17,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 229 states and 427 transitions. [2021-11-21 06:04:17,309 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 427 transitions. [2021-11-21 06:04:17,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 06:04:17,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:04:17,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:04:17,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:04:18,237 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 06:04:20,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:04:20,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 230 states and 433 transitions. [2021-11-21 06:04:20,895 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 433 transitions. [2021-11-21 06:04:20,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 06:04:20,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:04:20,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:04:20,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:04:26,167 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 06:05:25,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:05:25,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 251 states and 488 transitions. [2021-11-21 06:05:25,222 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 488 transitions. [2021-11-21 06:05:25,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 06:05:25,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:05:25,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:05:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:25,298 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 06:05:27,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:05:27,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 252 states and 491 transitions. [2021-11-21 06:05:27,315 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 491 transitions. [2021-11-21 06:05:27,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 06:05:27,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:05:27,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:05:27,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:27,400 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 06:05:29,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:05:29,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 253 states and 495 transitions. [2021-11-21 06:05:29,674 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 495 transitions. [2021-11-21 06:05:29,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 06:05:29,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:05:29,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:05:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:29,746 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 06:05:35,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:05:35,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 256 states and 499 transitions. [2021-11-21 06:05:35,920 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 499 transitions. [2021-11-21 06:05:35,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 06:05:35,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:05:35,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:05:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:48,786 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:06:47,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:06:47,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 273 states and 548 transitions. [2021-11-21 06:06:47,009 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 548 transitions. [2021-11-21 06:06:47,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 06:06:47,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:06:47,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:06:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:06:47,406 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:06:55,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:06:55,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 277 states and 557 transitions. [2021-11-21 06:06:55,693 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 557 transitions. [2021-11-21 06:06:55,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 06:06:55,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:06:55,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:06:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:06:55,934 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:07:05,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:07:05,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 281 states and 563 transitions. [2021-11-21 06:07:05,125 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 563 transitions. [2021-11-21 06:07:05,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 06:07:05,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:07:05,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:07:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:07:11,204 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 06:07:46,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:07:46,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 291 states and 591 transitions. [2021-11-21 06:07:46,221 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 591 transitions. [2021-11-21 06:07:46,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 06:07:46,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:07:46,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:07:46,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:07:46,265 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-21 06:07:58,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:07:58,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 296 states and 601 transitions. [2021-11-21 06:07:58,874 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 601 transitions. [2021-11-21 06:07:58,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 06:07:58,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:07:58,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:07:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:07:58,915 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-21 06:08:08,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:08:08,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 300 states and 607 transitions. [2021-11-21 06:08:08,674 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 607 transitions. [2021-11-21 06:08:08,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 06:08:08,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:08:08,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:08:08,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:08:15,099 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 1 proven. 26 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 06:09:14,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:09:14,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 309 states and 628 transitions. [2021-11-21 06:09:14,540 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 628 transitions. [2021-11-21 06:09:14,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 06:09:14,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:09:14,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:09:14,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:09:20,396 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 1 proven. 29 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.