./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cmemrchr-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65a1e225-199a-44bf-bc13-9249beff854e/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65a1e225-199a-44bf-bc13-9249beff854e/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65a1e225-199a-44bf-bc13-9249beff854e/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65a1e225-199a-44bf-bc13-9249beff854e/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cmemrchr-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65a1e225-199a-44bf-bc13-9249beff854e/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65a1e225-199a-44bf-bc13-9249beff854e/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3a34687129125cc08371e7bb78f7bdb7a4f5274a9b22928fd388f593b6db6995 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:08:15,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:08:15,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:08:15,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:08:15,562 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:08:15,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:08:15,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:08:15,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:08:15,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:08:15,580 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:08:15,581 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:08:15,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:08:15,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:08:15,587 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:08:15,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:08:15,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:08:15,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:08:15,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:08:15,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:08:15,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:08:15,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:08:15,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:08:15,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:08:15,614 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:08:15,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:08:15,624 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:08:15,624 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:08:15,626 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:08:15,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:08:15,628 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:08:15,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:08:15,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:08:15,632 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:08:15,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:08:15,635 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:08:15,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:08:15,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:08:15,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:08:15,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:08:15,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:08:15,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:08:15,640 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65a1e225-199a-44bf-bc13-9249beff854e/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 01:08:15,682 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:08:15,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:08:15,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:08:15,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:08:15,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:08:15,686 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:08:15,686 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:08:15,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:08:15,686 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:08:15,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:08:15,688 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:08:15,688 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:08:15,688 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:08:15,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:08:15,689 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:08:15,689 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:08:15,689 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:08:15,690 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:08:15,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:08:15,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:08:15,691 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:08:15,691 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:08:15,691 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:08:15,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:08:15,692 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_65a1e225-199a-44bf-bc13-9249beff854e/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65a1e225-199a-44bf-bc13-9249beff854e/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a34687129125cc08371e7bb78f7bdb7a4f5274a9b22928fd388f593b6db6995 [2021-11-23 01:08:16,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:08:16,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:08:16,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:08:16,051 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:08:16,052 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:08:16,053 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65a1e225-199a-44bf-bc13-9249beff854e/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-memsafety/openbsd_cmemrchr-alloca-2.i [2021-11-23 01:08:16,131 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65a1e225-199a-44bf-bc13-9249beff854e/bin/ukojak-LBtLqBUTdQ/data/4f751011e/e03f97a0830845a58ae5adfb52875391/FLAG15dddd327 [2021-11-23 01:08:16,792 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:08:16,793 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65a1e225-199a-44bf-bc13-9249beff854e/sv-benchmarks/c/array-memsafety/openbsd_cmemrchr-alloca-2.i [2021-11-23 01:08:16,809 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65a1e225-199a-44bf-bc13-9249beff854e/bin/ukojak-LBtLqBUTdQ/data/4f751011e/e03f97a0830845a58ae5adfb52875391/FLAG15dddd327 [2021-11-23 01:08:17,050 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65a1e225-199a-44bf-bc13-9249beff854e/bin/ukojak-LBtLqBUTdQ/data/4f751011e/e03f97a0830845a58ae5adfb52875391 [2021-11-23 01:08:17,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:08:17,054 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:08:17,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:08:17,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:08:17,066 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:08:17,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:08:17" (1/1) ... [2021-11-23 01:08:17,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30b9187 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:17, skipping insertion in model container [2021-11-23 01:08:17,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:08:17" (1/1) ... [2021-11-23 01:08:17,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:08:17,145 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:08:17,559 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:08:17,570 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:08:17,623 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:08:17,659 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:08:17,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:17 WrapperNode [2021-11-23 01:08:17,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:08:17,661 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:08:17,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:08:17,661 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:08:17,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:17" (1/1) ... [2021-11-23 01:08:17,696 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:17" (1/1) ... [2021-11-23 01:08:17,727 INFO L137 Inliner]: procedures = 117, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2021-11-23 01:08:17,728 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:08:17,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:08:17,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:08:17,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:08:17,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:17" (1/1) ... [2021-11-23 01:08:17,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:17" (1/1) ... [2021-11-23 01:08:17,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:17" (1/1) ... [2021-11-23 01:08:17,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:17" (1/1) ... [2021-11-23 01:08:17,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:17" (1/1) ... [2021-11-23 01:08:17,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:17" (1/1) ... [2021-11-23 01:08:17,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:17" (1/1) ... [2021-11-23 01:08:17,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:08:17,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:08:17,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:08:17,789 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:08:17,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:17" (1/1) ... [2021-11-23 01:08:17,804 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:08:17,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65a1e225-199a-44bf-bc13-9249beff854e/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:08:17,828 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65a1e225-199a-44bf-bc13-9249beff854e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:08:17,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65a1e225-199a-44bf-bc13-9249beff854e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:08:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:08:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:08:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:08:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:08:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:08:17,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:08:18,022 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:08:18,024 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:08:18,205 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:08:18,280 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:08:18,281 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:08:18,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:08:18 BoogieIcfgContainer [2021-11-23 01:08:18,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:08:18,285 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:08:18,285 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:08:18,297 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:08:18,297 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:08:18" (1/1) ... [2021-11-23 01:08:18,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:08:18,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:18,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2021-11-23 01:08:18,368 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2021-11-23 01:08:18,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:08:18,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:18,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:18,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:18,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:18,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:18,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2021-11-23 01:08:18,652 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2021-11-23 01:08:18,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:08:18,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:18,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:18,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:18,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:18,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2021-11-23 01:08:18,993 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2021-11-23 01:08:18,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:08:18,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:18,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:19,114 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:19,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:19,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2021-11-23 01:08:19,604 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2021-11-23 01:08:19,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:08:19,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:19,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:19,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:19,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:19,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2021-11-23 01:08:19,851 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2021-11-23 01:08:19,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:08:19,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:19,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:19,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:20,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:20,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2021-11-23 01:08:20,090 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2021-11-23 01:08:20,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:08:20,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:20,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:20,264 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:20,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:20,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2021-11-23 01:08:20,536 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2021-11-23 01:08:20,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:08:20,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:20,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:20,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:20,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:21,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:21,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2021-11-23 01:08:21,960 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2021-11-23 01:08:21,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:08:21,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:21,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:22,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:22,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:22,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2021-11-23 01:08:22,673 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2021-11-23 01:08:22,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:08:22,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:22,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:23,044 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:24,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:24,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2021-11-23 01:08:24,055 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-11-23 01:08:24,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:08:24,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:24,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:24,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:08:25,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:25,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2021-11-23 01:08:25,598 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2021-11-23 01:08:25,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:08:25,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:25,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:26,116 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:27,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:27,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2021-11-23 01:08:27,414 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2021-11-23 01:08:27,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:08:27,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:27,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:27,758 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:28,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:28,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 63 transitions. [2021-11-23 01:08:28,996 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 63 transitions. [2021-11-23 01:08:28,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:08:28,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:28,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:29,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:08:30,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:30,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 64 transitions. [2021-11-23 01:08:30,068 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 64 transitions. [2021-11-23 01:08:30,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:08:30,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:30,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:30,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:30,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:08:30,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:30,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 43 states and 68 transitions. [2021-11-23 01:08:30,432 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 68 transitions. [2021-11-23 01:08:30,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:08:30,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:30,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:30,906 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:32,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:32,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 46 states and 74 transitions. [2021-11-23 01:08:32,439 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 74 transitions. [2021-11-23 01:08:32,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:08:32,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:32,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:33,342 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:36,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:36,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 50 states and 90 transitions. [2021-11-23 01:08:36,223 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 90 transitions. [2021-11-23 01:08:36,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:08:36,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:36,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:36,253 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:08:37,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:37,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 52 states and 97 transitions. [2021-11-23 01:08:37,804 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 97 transitions. [2021-11-23 01:08:37,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:08:37,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:37,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:37,842 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:08:39,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:39,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 53 states and 98 transitions. [2021-11-23 01:08:39,111 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 98 transitions. [2021-11-23 01:08:39,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:08:39,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:39,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:39,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:39,848 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:42,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:42,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 57 states and 114 transitions. [2021-11-23 01:08:42,818 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 114 transitions. [2021-11-23 01:08:42,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:08:42,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:42,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:43,598 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:46,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:46,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 60 states and 120 transitions. [2021-11-23 01:08:46,009 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 120 transitions. [2021-11-23 01:08:46,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:08:46,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:46,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:46,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:46,057 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:08:47,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:47,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 61 states and 121 transitions. [2021-11-23 01:08:47,594 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 121 transitions. [2021-11-23 01:08:47,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:08:47,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:47,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:48,382 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:51,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:51,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 64 states and 130 transitions. [2021-11-23 01:08:51,322 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 130 transitions. [2021-11-23 01:08:51,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:08:51,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:51,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:51,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:51,352 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:08:51,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:51,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 65 states and 130 transitions. [2021-11-23 01:08:51,919 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 130 transitions. [2021-11-23 01:08:51,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:08:51,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:51,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:52,819 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:55,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:55,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 68 states and 136 transitions. [2021-11-23 01:08:55,408 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 136 transitions. [2021-11-23 01:08:55,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:08:55,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:55,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:55,438 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:08:56,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:56,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 67 states and 133 transitions. [2021-11-23 01:08:56,214 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 133 transitions. [2021-11-23 01:08:56,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:08:56,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:56,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:56,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:56,268 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:56,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:56,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 68 states and 133 transitions. [2021-11-23 01:08:56,915 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 133 transitions. [2021-11-23 01:08:56,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:08:56,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:56,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:56,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:56,980 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-23 01:08:58,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:58,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 69 states and 134 transitions. [2021-11-23 01:08:58,729 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 134 transitions. [2021-11-23 01:08:58,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:08:58,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:58,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:59,645 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:02,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:02,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 72 states and 143 transitions. [2021-11-23 01:09:02,920 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 143 transitions. [2021-11-23 01:09:02,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:09:02,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:02,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:03,817 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:06,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:06,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 75 states and 149 transitions. [2021-11-23 01:09:06,897 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 149 transitions. [2021-11-23 01:09:06,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:09:06,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:06,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:08,841 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:16,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:16,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 82 states and 177 transitions. [2021-11-23 01:09:16,725 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 177 transitions. [2021-11-23 01:09:16,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:09:16,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:16,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:16,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:16,985 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:09:19,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:19,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 82 states and 176 transitions. [2021-11-23 01:09:19,026 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 176 transitions. [2021-11-23 01:09:19,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:09:19,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:19,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:19,059 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:09:21,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:21,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 83 states and 177 transitions. [2021-11-23 01:09:21,114 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 177 transitions. [2021-11-23 01:09:21,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:09:21,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:21,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:22,231 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:26,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:26,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 86 states and 188 transitions. [2021-11-23 01:09:26,313 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 188 transitions. [2021-11-23 01:09:26,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:09:26,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:26,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:26,365 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:28,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:28,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 87 states and 187 transitions. [2021-11-23 01:09:28,349 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 187 transitions. [2021-11-23 01:09:28,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:09:28,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:28,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:29,438 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:33,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:33,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 90 states and 193 transitions. [2021-11-23 01:09:33,304 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 193 transitions. [2021-11-23 01:09:33,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:09:33,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:33,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:33,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:33,332 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:09:34,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:34,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 90 states and 192 transitions. [2021-11-23 01:09:34,382 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 192 transitions. [2021-11-23 01:09:34,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:09:34,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:34,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:34,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:34,413 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:09:35,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:35,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 91 states and 195 transitions. [2021-11-23 01:09:35,351 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 195 transitions. [2021-11-23 01:09:35,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:09:35,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:35,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:35,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:37,715 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:43,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:43,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 94 states and 205 transitions. [2021-11-23 01:09:43,049 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 205 transitions. [2021-11-23 01:09:43,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:09:43,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:43,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:43,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:43,081 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-11-23 01:09:45,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:45,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 95 states and 206 transitions. [2021-11-23 01:09:45,628 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 206 transitions. [2021-11-23 01:09:45,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:09:45,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:45,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:47,217 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:52,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:52,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 98 states and 217 transitions. [2021-11-23 01:09:52,253 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 217 transitions. [2021-11-23 01:09:52,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:09:52,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:52,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:52,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:52,314 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:54,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:54,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 99 states and 215 transitions. [2021-11-23 01:09:54,645 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 215 transitions. [2021-11-23 01:09:54,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:09:54,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:54,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:54,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:56,081 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:00,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:00,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 102 states and 221 transitions. [2021-11-23 01:10:00,666 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 221 transitions. [2021-11-23 01:10:00,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:10:00,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:00,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:00,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:03,561 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:09,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:09,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 105 states and 231 transitions. [2021-11-23 01:10:09,755 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 231 transitions. [2021-11-23 01:10:09,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:10:09,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:09,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:09,787 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-23 01:10:12,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:12,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 106 states and 232 transitions. [2021-11-23 01:10:12,547 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 232 transitions. [2021-11-23 01:10:12,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:10:12,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:12,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:12,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:14,111 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:19,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:19,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 109 states and 243 transitions. [2021-11-23 01:10:19,776 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 243 transitions. [2021-11-23 01:10:19,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:10:19,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:19,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:19,832 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:21,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:21,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 110 states and 243 transitions. [2021-11-23 01:10:21,226 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 243 transitions. [2021-11-23 01:10:21,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:10:21,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:21,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:21,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:22,794 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:27,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:27,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 113 states and 249 transitions. [2021-11-23 01:10:27,974 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 249 transitions. [2021-11-23 01:10:27,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:10:27,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:27,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:31,466 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:38,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:38,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 116 states and 259 transitions. [2021-11-23 01:10:38,162 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 259 transitions. [2021-11-23 01:10:38,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:10:38,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:38,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:39,819 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:42,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:42,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 117 states and 259 transitions. [2021-11-23 01:10:42,339 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 259 transitions. [2021-11-23 01:10:42,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:10:42,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:42,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:42,393 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-11-23 01:10:45,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:45,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 118 states and 260 transitions. [2021-11-23 01:10:45,483 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 260 transitions. [2021-11-23 01:10:45,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:10:45,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:45,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:47,220 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:53,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:53,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 121 states and 271 transitions. [2021-11-23 01:10:53,711 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 271 transitions. [2021-11-23 01:10:53,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:10:53,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:53,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:53,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:53,769 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:55,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:55,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 122 states and 271 transitions. [2021-11-23 01:10:55,452 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 271 transitions. [2021-11-23 01:10:55,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:10:55,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:55,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:57,510 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:03,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:03,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 125 states and 277 transitions. [2021-11-23 01:11:03,301 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 277 transitions. [2021-11-23 01:11:03,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:11:03,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:03,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:03,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:06,877 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:14,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:14,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 128 states and 287 transitions. [2021-11-23 01:11:14,386 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 287 transitions. [2021-11-23 01:11:14,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:11:14,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:14,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:18,144 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:22,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:22,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 129 states and 287 transitions. [2021-11-23 01:11:22,882 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 287 transitions. [2021-11-23 01:11:22,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:11:22,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:22,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:22,915 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-23 01:11:26,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:26,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 130 states and 288 transitions. [2021-11-23 01:11:26,328 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 288 transitions. [2021-11-23 01:11:26,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:11:26,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:26,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:28,240 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:35,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:35,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 133 states and 299 transitions. [2021-11-23 01:11:35,634 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 299 transitions. [2021-11-23 01:11:35,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:11:35,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:35,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:35,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:35,691 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:37,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:37,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 134 states and 299 transitions. [2021-11-23 01:11:37,491 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 299 transitions. [2021-11-23 01:11:37,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:11:37,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:37,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:39,537 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:45,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:45,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 137 states and 305 transitions. [2021-11-23 01:11:45,950 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 305 transitions. [2021-11-23 01:11:45,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:11:45,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:45,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:49,839 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:58,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:58,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 140 states and 315 transitions. [2021-11-23 01:11:58,237 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 315 transitions. [2021-11-23 01:11:58,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:11:58,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:58,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:00,281 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:03,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:03,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 141 states and 315 transitions. [2021-11-23 01:12:03,471 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 315 transitions. [2021-11-23 01:12:03,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:12:03,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:03,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:03,507 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-11-23 01:12:07,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:07,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 142 states and 316 transitions. [2021-11-23 01:12:07,296 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 316 transitions. [2021-11-23 01:12:07,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:12:07,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:07,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:07,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:09,530 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:17,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:17,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 145 states and 327 transitions. [2021-11-23 01:12:17,617 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 327 transitions. [2021-11-23 01:12:17,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:12:17,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:17,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:17,677 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:19,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:19,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 146 states and 327 transitions. [2021-11-23 01:12:19,526 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 327 transitions. [2021-11-23 01:12:19,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:12:19,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:19,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:21,580 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:28,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:28,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 149 states and 333 transitions. [2021-11-23 01:12:28,817 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 333 transitions. [2021-11-23 01:12:28,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:12:28,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:28,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:28,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:33,007 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:42,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:42,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 152 states and 343 transitions. [2021-11-23 01:12:42,286 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 343 transitions. [2021-11-23 01:12:42,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:12:42,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:42,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:46,977 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:52,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:52,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 153 states and 343 transitions. [2021-11-23 01:12:52,945 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 343 transitions. [2021-11-23 01:12:52,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:12:52,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:52,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:52,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:52,979 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-23 01:12:57,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:57,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 154 states and 344 transitions. [2021-11-23 01:12:57,252 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 344 transitions. [2021-11-23 01:12:57,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:12:57,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:57,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:59,557 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:08,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:08,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 157 states and 355 transitions. [2021-11-23 01:13:08,629 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 355 transitions. [2021-11-23 01:13:08,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:13:08,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:08,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:08,701 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:10,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:10,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 158 states and 355 transitions. [2021-11-23 01:13:10,859 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 355 transitions. [2021-11-23 01:13:10,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:13:10,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:10,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:13,253 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:21,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:21,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 161 states and 361 transitions. [2021-11-23 01:13:21,235 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 361 transitions. [2021-11-23 01:13:21,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:13:21,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:21,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:26,020 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:36,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:36,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 164 states and 371 transitions. [2021-11-23 01:13:36,161 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 371 transitions. [2021-11-23 01:13:36,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:13:36,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:36,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:36,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:40,767 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:46,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:46,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 165 states and 371 transitions. [2021-11-23 01:13:46,718 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 371 transitions. [2021-11-23 01:13:46,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:13:46,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:46,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:46,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:46,759 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-11-23 01:13:51,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:51,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 166 states and 372 transitions. [2021-11-23 01:13:51,539 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 372 transitions. [2021-11-23 01:13:51,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:13:51,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:51,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:51,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:54,176 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:04,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:04,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 169 states and 383 transitions. [2021-11-23 01:14:04,344 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 383 transitions. [2021-11-23 01:14:04,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:14:04,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:04,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:04,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:04,412 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:09,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:09,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 170 states and 381 transitions. [2021-11-23 01:14:09,135 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 381 transitions. [2021-11-23 01:14:09,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:14:09,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:09,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:11,516 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:20,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:20,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 173 states and 387 transitions. [2021-11-23 01:14:20,300 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 387 transitions. [2021-11-23 01:14:20,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:14:20,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:20,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:25,320 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:36,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:36,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 176 states and 397 transitions. [2021-11-23 01:14:36,375 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 397 transitions. [2021-11-23 01:14:36,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:14:36,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:36,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:41,206 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:47,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:47,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 177 states and 397 transitions. [2021-11-23 01:14:47,714 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 397 transitions. [2021-11-23 01:14:47,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:14:47,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:47,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:47,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:47,746 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2021-11-23 01:14:52,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:52,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 178 states and 398 transitions. [2021-11-23 01:14:52,644 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 398 transitions. [2021-11-23 01:14:52,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:14:52,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:52,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:55,638 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:07,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:07,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 181 states and 409 transitions. [2021-11-23 01:15:07,212 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 409 transitions. [2021-11-23 01:15:07,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:15:07,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:07,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:07,281 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:10,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:10,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 182 states and 409 transitions. [2021-11-23 01:15:10,066 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 409 transitions. [2021-11-23 01:15:10,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:15:10,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:10,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:12,881 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:22,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:22,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 185 states and 415 transitions. [2021-11-23 01:15:22,826 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 415 transitions. [2021-11-23 01:15:22,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:15:22,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:22,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:28,667 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 152 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:41,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:41,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 188 states and 425 transitions. [2021-11-23 01:15:41,094 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 425 transitions. [2021-11-23 01:15:41,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:15:41,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:41,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:41,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:43,839 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:48,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:48,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 189 states and 425 transitions. [2021-11-23 01:15:48,526 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 425 transitions. [2021-11-23 01:15:48,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:15:48,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:48,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:48,558 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-11-23 01:15:54,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:54,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 190 states and 426 transitions. [2021-11-23 01:15:54,070 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 426 transitions. [2021-11-23 01:15:54,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:15:54,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:54,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:54,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:57,131 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:16:09,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:09,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 193 states and 437 transitions. [2021-11-23 01:16:09,512 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 437 transitions. [2021-11-23 01:16:09,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:16:09,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:09,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:09,586 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:16:15,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:15,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 194 states and 435 transitions. [2021-11-23 01:16:15,656 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 435 transitions. [2021-11-23 01:16:15,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:16:15,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:15,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:18,507 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:16:29,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:29,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 197 states and 441 transitions. [2021-11-23 01:16:29,134 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 441 transitions. [2021-11-23 01:16:29,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:16:29,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:29,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:35,413 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 177 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:16:48,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:48,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 200 states and 451 transitions. [2021-11-23 01:16:48,520 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 451 transitions. [2021-11-23 01:16:48,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:16:48,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:48,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:48,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:51,382 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 139 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:16:56,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:56,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 201 states and 451 transitions. [2021-11-23 01:16:56,586 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 451 transitions. [2021-11-23 01:16:56,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:16:56,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:56,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:56,616 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2021-11-23 01:17:02,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:02,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 202 states and 452 transitions. [2021-11-23 01:17:02,317 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 452 transitions. [2021-11-23 01:17:02,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:17:02,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:02,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:05,738 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:19,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:19,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 205 states and 463 transitions. [2021-11-23 01:17:19,276 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 463 transitions. [2021-11-23 01:17:19,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:17:19,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:19,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:19,351 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:22,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:22,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 206 states and 463 transitions. [2021-11-23 01:17:22,454 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 463 transitions. [2021-11-23 01:17:22,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:17:22,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:22,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:22,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:25,803 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:37,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:37,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 209 states and 469 transitions. [2021-11-23 01:17:37,150 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 469 transitions. [2021-11-23 01:17:37,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:17:37,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:37,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:37,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:43,482 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:57,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:57,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 212 states and 479 transitions. [2021-11-23 01:17:57,270 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 479 transitions. [2021-11-23 01:17:57,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:17:57,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:57,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:00,602 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:05,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:05,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 213 states and 479 transitions. [2021-11-23 01:18:05,922 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 479 transitions. [2021-11-23 01:18:05,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:18:05,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:05,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:05,955 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2021-11-23 01:18:11,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:11,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 214 states and 480 transitions. [2021-11-23 01:18:11,982 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 480 transitions. [2021-11-23 01:18:11,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:18:11,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:11,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:11,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:15,429 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:29,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:29,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 217 states and 491 transitions. [2021-11-23 01:18:29,730 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 491 transitions. [2021-11-23 01:18:29,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:18:29,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:29,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:29,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:29,807 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:36,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:36,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 218 states and 489 transitions. [2021-11-23 01:18:36,767 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 489 transitions. [2021-11-23 01:18:36,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:18:36,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:36,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:36,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:40,102 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 0 proven. 361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:52,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:52,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 221 states and 495 transitions. [2021-11-23 01:18:52,417 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 495 transitions. [2021-11-23 01:18:52,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:18:52,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:52,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:52,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:59,303 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:14,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:14,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 224 states and 505 transitions. [2021-11-23 01:19:14,106 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 505 transitions. [2021-11-23 01:19:14,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:19:14,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:14,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:21,191 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:30,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:30,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 225 states and 505 transitions. [2021-11-23 01:19:30,363 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 505 transitions. [2021-11-23 01:19:30,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:19:30,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:30,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:30,396 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2021-11-23 01:19:36,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:36,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 226 states and 506 transitions. [2021-11-23 01:19:36,989 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 506 transitions. [2021-11-23 01:19:36,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:19:36,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:36,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:37,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:40,814 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:56,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:56,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 229 states and 517 transitions. [2021-11-23 01:19:56,240 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 517 transitions. [2021-11-23 01:19:56,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:19:56,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:56,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:56,313 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 0 proven. 229 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:03,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:03,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 230 states and 515 transitions. [2021-11-23 01:20:03,803 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 515 transitions. [2021-11-23 01:20:03,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:20:03,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:03,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat