./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext2/optional_data_creation_test04-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a9552a-03ff-4c73-a9c9-1ff7d7c45c14/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a9552a-03ff-4c73-a9c9-1ff7d7c45c14/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a9552a-03ff-4c73-a9c9-1ff7d7c45c14/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a9552a-03ff-4c73-a9c9-1ff7d7c45c14/bin/ukojak-vF6T2TMglN/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext2/optional_data_creation_test04-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a9552a-03ff-4c73-a9c9-1ff7d7c45c14/bin/ukojak-vF6T2TMglN/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a9552a-03ff-4c73-a9c9-1ff7d7c45c14/bin/ukojak-vF6T2TMglN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2fe3fcfd23f0db0414af322b91d2d32e3943484ebce4a900c0ef2633a5499508 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 04:23:29,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 04:23:29,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 04:23:29,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 04:23:29,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 04:23:29,692 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 04:23:29,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 04:23:29,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 04:23:29,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 04:23:29,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 04:23:29,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 04:23:29,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 04:23:29,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 04:23:29,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 04:23:29,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 04:23:29,706 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 04:23:29,707 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 04:23:29,709 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 04:23:29,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 04:23:29,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 04:23:29,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 04:23:29,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 04:23:29,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 04:23:29,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 04:23:29,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 04:23:29,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 04:23:29,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 04:23:29,736 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 04:23:29,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 04:23:29,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 04:23:29,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 04:23:29,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 04:23:29,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 04:23:29,743 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 04:23:29,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 04:23:29,746 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 04:23:29,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 04:23:29,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 04:23:29,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 04:23:29,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 04:23:29,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 04:23:29,750 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a9552a-03ff-4c73-a9c9-1ff7d7c45c14/bin/ukojak-vF6T2TMglN/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-21 04:23:29,788 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 04:23:29,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 04:23:29,791 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 04:23:29,791 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 04:23:29,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 04:23:29,791 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 04:23:29,792 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 04:23:29,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 04:23:29,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 04:23:29,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 04:23:29,793 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-21 04:23:29,794 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-21 04:23:29,794 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-21 04:23:29,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 04:23:29,794 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 04:23:29,795 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 04:23:29,795 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 04:23:29,795 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 04:23:29,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 04:23:29,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:23:29,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 04:23:29,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 04:23:29,797 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 04:23:29,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 04:23:29,797 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_a7a9552a-03ff-4c73-a9c9-1ff7d7c45c14/bin/ukojak-vF6T2TMglN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a9552a-03ff-4c73-a9c9-1ff7d7c45c14/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fe3fcfd23f0db0414af322b91d2d32e3943484ebce4a900c0ef2633a5499508 [2021-11-21 04:23:30,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 04:23:30,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 04:23:30,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 04:23:30,098 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 04:23:30,099 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 04:23:30,100 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a9552a-03ff-4c73-a9c9-1ff7d7c45c14/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/memsafety-ext2/optional_data_creation_test04-2.i [2021-11-21 04:23:30,182 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a9552a-03ff-4c73-a9c9-1ff7d7c45c14/bin/ukojak-vF6T2TMglN/data/2d743e7d2/b75f9ae61eb5483394f53542d6e20871/FLAG26b7f5bff [2021-11-21 04:23:30,722 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 04:23:30,722 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a9552a-03ff-4c73-a9c9-1ff7d7c45c14/sv-benchmarks/c/memsafety-ext2/optional_data_creation_test04-2.i [2021-11-21 04:23:30,734 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a9552a-03ff-4c73-a9c9-1ff7d7c45c14/bin/ukojak-vF6T2TMglN/data/2d743e7d2/b75f9ae61eb5483394f53542d6e20871/FLAG26b7f5bff [2021-11-21 04:23:31,028 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a9552a-03ff-4c73-a9c9-1ff7d7c45c14/bin/ukojak-vF6T2TMglN/data/2d743e7d2/b75f9ae61eb5483394f53542d6e20871 [2021-11-21 04:23:31,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 04:23:31,032 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 04:23:31,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 04:23:31,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 04:23:31,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 04:23:31,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:23:31" (1/1) ... [2021-11-21 04:23:31,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6da47590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:23:31, skipping insertion in model container [2021-11-21 04:23:31,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:23:31" (1/1) ... [2021-11-21 04:23:31,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 04:23:31,089 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 04:23:31,425 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:23:31,436 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 04:23:31,506 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:23:31,538 INFO L208 MainTranslator]: Completed translation [2021-11-21 04:23:31,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:23:31 WrapperNode [2021-11-21 04:23:31,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 04:23:31,540 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 04:23:31,540 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 04:23:31,540 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 04:23:31,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:23:31" (1/1) ... [2021-11-21 04:23:31,571 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:23:31" (1/1) ... [2021-11-21 04:23:31,614 INFO L137 Inliner]: procedures = 126, calls = 37, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 114 [2021-11-21 04:23:31,616 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 04:23:31,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 04:23:31,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 04:23:31,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 04:23:31,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:23:31" (1/1) ... [2021-11-21 04:23:31,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:23:31" (1/1) ... [2021-11-21 04:23:31,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:23:31" (1/1) ... [2021-11-21 04:23:31,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:23:31" (1/1) ... [2021-11-21 04:23:31,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:23:31" (1/1) ... [2021-11-21 04:23:31,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:23:31" (1/1) ... [2021-11-21 04:23:31,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:23:31" (1/1) ... [2021-11-21 04:23:31,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 04:23:31,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 04:23:31,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 04:23:31,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 04:23:31,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:23:31" (1/1) ... [2021-11-21 04:23:31,701 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:23:31,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a9552a-03ff-4c73-a9c9-1ff7d7c45c14/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 04:23:31,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a9552a-03ff-4c73-a9c9-1ff7d7c45c14/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 04:23:31,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a9552a-03ff-4c73-a9c9-1ff7d7c45c14/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 04:23:31,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 04:23:31,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 04:23:31,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 04:23:31,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 04:23:31,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 04:23:31,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 04:23:31,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 04:23:31,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 04:23:31,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 04:23:31,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 04:23:31,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 04:23:31,907 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 04:23:31,909 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 04:23:32,297 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 04:23:32,353 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 04:23:32,353 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-21 04:23:32,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:23:32 BoogieIcfgContainer [2021-11-21 04:23:32,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 04:23:32,357 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 04:23:32,357 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 04:23:32,377 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 04:23:32,377 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:23:32" (1/1) ... [2021-11-21 04:23:32,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 04:23:32,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:32,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 88 states and 96 transitions. [2021-11-21 04:23:32,467 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 96 transitions. [2021-11-21 04:23:32,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 04:23:32,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:32,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:32,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:23:32,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:32,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 90 states and 99 transitions. [2021-11-21 04:23:32,676 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 99 transitions. [2021-11-21 04:23:32,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 04:23:32,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:32,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:32,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:32,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:23:32,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:32,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 92 states and 102 transitions. [2021-11-21 04:23:32,958 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 102 transitions. [2021-11-21 04:23:32,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 04:23:32,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:32,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:32,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:33,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:23:33,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:33,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 93 states and 104 transitions. [2021-11-21 04:23:33,155 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 104 transitions. [2021-11-21 04:23:33,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 04:23:33,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:33,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:33,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:23:33,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:33,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 94 states and 106 transitions. [2021-11-21 04:23:33,483 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 106 transitions. [2021-11-21 04:23:33,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 04:23:33,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:33,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:33,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:23:33,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:33,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 96 states and 109 transitions. [2021-11-21 04:23:33,569 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 109 transitions. [2021-11-21 04:23:33,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 04:23:33,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:33,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:33,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:23:33,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:33,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 99 states and 115 transitions. [2021-11-21 04:23:33,858 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 115 transitions. [2021-11-21 04:23:33,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 04:23:33,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:33,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:33,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:33,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:23:33,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:33,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 98 states and 114 transitions. [2021-11-21 04:23:33,971 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 114 transitions. [2021-11-21 04:23:33,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 04:23:33,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:33,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:33,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:34,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:23:34,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:34,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 97 states and 113 transitions. [2021-11-21 04:23:34,207 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 113 transitions. [2021-11-21 04:23:34,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 04:23:34,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:34,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:34,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:34,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:23:34,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:34,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 96 states and 112 transitions. [2021-11-21 04:23:34,243 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 112 transitions. [2021-11-21 04:23:34,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 04:23:34,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:34,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:34,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:23:34,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:34,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 95 states and 111 transitions. [2021-11-21 04:23:34,297 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 111 transitions. [2021-11-21 04:23:34,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 04:23:34,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:34,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:34,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:34,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:23:34,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:34,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 99 states and 119 transitions. [2021-11-21 04:23:34,606 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 119 transitions. [2021-11-21 04:23:34,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 04:23:34,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:34,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:34,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:23:35,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:35,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 104 states and 129 transitions. [2021-11-21 04:23:35,324 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 129 transitions. [2021-11-21 04:23:35,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 04:23:35,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:35,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:35,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:23:35,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:35,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 106 states and 132 transitions. [2021-11-21 04:23:35,364 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 132 transitions. [2021-11-21 04:23:35,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 04:23:35,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:35,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:35,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:35,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:23:35,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:35,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 108 states and 139 transitions. [2021-11-21 04:23:35,741 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 139 transitions. [2021-11-21 04:23:35,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 04:23:35,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:35,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:35,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:35,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:23:35,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:35,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 110 states and 142 transitions. [2021-11-21 04:23:35,775 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 142 transitions. [2021-11-21 04:23:35,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 04:23:35,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:35,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:35,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:35,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:23:35,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:35,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 112 states and 145 transitions. [2021-11-21 04:23:35,813 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 145 transitions. [2021-11-21 04:23:35,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 04:23:35,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:35,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:35,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:35,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:23:36,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:36,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 119 states and 159 transitions. [2021-11-21 04:23:36,739 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 159 transitions. [2021-11-21 04:23:36,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 04:23:36,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:36,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:36,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:36,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:23:38,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:38,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 126 states and 176 transitions. [2021-11-21 04:23:38,055 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 176 transitions. [2021-11-21 04:23:38,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 04:23:38,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:38,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:38,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:38,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:23:38,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:38,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 129 states and 182 transitions. [2021-11-21 04:23:38,754 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 182 transitions. [2021-11-21 04:23:38,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 04:23:38,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:38,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:38,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:23:40,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:40,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 132 states and 190 transitions. [2021-11-21 04:23:40,001 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 190 transitions. [2021-11-21 04:23:40,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 04:23:40,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:40,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:40,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:40,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:23:40,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:40,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 134 states and 194 transitions. [2021-11-21 04:23:40,610 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 194 transitions. [2021-11-21 04:23:40,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 04:23:40,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:40,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:40,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:40,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:23:41,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:41,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 139 states and 212 transitions. [2021-11-21 04:23:41,413 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 212 transitions. [2021-11-21 04:23:41,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 04:23:41,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:41,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:41,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:41,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:23:42,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:42,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 141 states and 215 transitions. [2021-11-21 04:23:42,140 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 215 transitions. [2021-11-21 04:23:42,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 04:23:42,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:42,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:42,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:23:42,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:42,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 140 states and 214 transitions. [2021-11-21 04:23:42,166 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 214 transitions. [2021-11-21 04:23:42,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 04:23:42,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:42,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:42,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:23:42,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:42,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 142 states and 217 transitions. [2021-11-21 04:23:42,241 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 217 transitions. [2021-11-21 04:23:42,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 04:23:42,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:42,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:42,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:42,275 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:23:42,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:42,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 142 states and 216 transitions. [2021-11-21 04:23:42,553 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 216 transitions. [2021-11-21 04:23:42,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 04:23:42,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:42,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:42,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:42,571 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:23:42,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:42,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 142 states and 215 transitions. [2021-11-21 04:23:42,930 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 215 transitions. [2021-11-21 04:23:42,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 04:23:42,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:42,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:42,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:42,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:23:43,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:43,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 146 states and 223 transitions. [2021-11-21 04:23:43,549 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 223 transitions. [2021-11-21 04:23:43,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 04:23:43,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:43,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:43,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:23:44,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:44,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 150 states and 230 transitions. [2021-11-21 04:23:44,405 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 230 transitions. [2021-11-21 04:23:44,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 04:23:44,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:44,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:44,421 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 04:23:44,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:44,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 150 states and 229 transitions. [2021-11-21 04:23:44,695 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 229 transitions. [2021-11-21 04:23:44,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 04:23:44,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:44,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:44,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:44,754 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 04:23:45,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:45,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 151 states and 229 transitions. [2021-11-21 04:23:45,087 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 229 transitions. [2021-11-21 04:23:45,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 04:23:45,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:45,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:45,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:23:47,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:47,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 159 states and 249 transitions. [2021-11-21 04:23:47,626 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 249 transitions. [2021-11-21 04:23:47,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 04:23:47,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:47,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:47,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:48,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:23:49,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:49,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 164 states and 261 transitions. [2021-11-21 04:23:49,779 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 261 transitions. [2021-11-21 04:23:49,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 04:23:49,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:49,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:50,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:23:52,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:52,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 172 states and 277 transitions. [2021-11-21 04:23:52,630 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 277 transitions. [2021-11-21 04:23:52,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 04:23:52,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:52,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:53,039 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:23:54,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:54,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 175 states and 281 transitions. [2021-11-21 04:23:54,405 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 281 transitions. [2021-11-21 04:23:54,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 04:23:54,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:54,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:54,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:55,080 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:23:57,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:57,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 178 states and 290 transitions. [2021-11-21 04:23:57,534 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 290 transitions. [2021-11-21 04:23:57,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 04:23:57,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:57,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:57,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:57,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:23:57,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:57,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 179 states and 292 transitions. [2021-11-21 04:23:57,964 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 292 transitions. [2021-11-21 04:23:57,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 04:23:57,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:57,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:58,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:23:58,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:58,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 181 states and 295 transitions. [2021-11-21 04:23:58,466 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 295 transitions. [2021-11-21 04:23:58,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 04:23:58,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:58,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:58,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:23:59,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:23:59,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 185 states and 302 transitions. [2021-11-21 04:23:59,485 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 302 transitions. [2021-11-21 04:23:59,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 04:23:59,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:23:59,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:23:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:23:59,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:24:00,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:24:00,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 189 states and 309 transitions. [2021-11-21 04:24:00,687 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 309 transitions. [2021-11-21 04:24:00,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 04:24:00,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:24:00,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:24:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:24:00,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:24:01,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:24:01,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 191 states and 313 transitions. [2021-11-21 04:24:01,692 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 313 transitions. [2021-11-21 04:24:01,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 04:24:01,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:24:01,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:24:01,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:24:02,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:24:03,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:24:03,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 193 states and 317 transitions. [2021-11-21 04:24:03,685 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 317 transitions. [2021-11-21 04:24:03,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 04:24:03,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:24:03,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:24:03,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:24:03,705 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 04:24:04,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:24:04,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 193 states and 316 transitions. [2021-11-21 04:24:04,190 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 316 transitions. [2021-11-21 04:24:04,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 04:24:04,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:24:04,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:24:04,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:24:04,215 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 04:24:04,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:24:04,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 194 states and 316 transitions. [2021-11-21 04:24:04,737 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 316 transitions. [2021-11-21 04:24:04,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 04:24:04,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:24:04,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:24:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:24:04,989 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 04:24:07,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:24:07,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 197 states and 321 transitions. [2021-11-21 04:24:07,186 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 321 transitions. [2021-11-21 04:24:07,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 04:24:07,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:24:07,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:24:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:24:08,214 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:24:11,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:24:11,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 200 states and 330 transitions. [2021-11-21 04:24:11,186 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 330 transitions. [2021-11-21 04:24:11,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 04:24:11,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:24:11,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:24:11,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:24:12,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:24:20,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:24:20,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 213 states and 355 transitions. [2021-11-21 04:24:20,981 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 355 transitions. [2021-11-21 04:24:20,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 04:24:20,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:24:20,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:24:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:24:21,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:24:22,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:24:22,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 217 states and 362 transitions. [2021-11-21 04:24:22,754 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 362 transitions. [2021-11-21 04:24:22,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:24:22,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:24:22,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:24:22,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:24:22,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:24:23,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:24:23,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 220 states and 367 transitions. [2021-11-21 04:24:23,981 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 367 transitions. [2021-11-21 04:24:23,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:24:23,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:24:23,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:24:23,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:24:24,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:24:25,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:24:25,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 224 states and 373 transitions. [2021-11-21 04:24:25,340 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 373 transitions. [2021-11-21 04:24:25,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:24:25,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:24:25,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:24:25,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:24:25,368 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:24:26,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:24:26,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 223 states and 371 transitions. [2021-11-21 04:24:26,118 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 371 transitions. [2021-11-21 04:24:26,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:24:26,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:24:26,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:24:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:24:26,167 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:24:26,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:24:26,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 222 states and 369 transitions. [2021-11-21 04:24:26,939 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 369 transitions. [2021-11-21 04:24:26,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:24:26,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:24:26,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:24:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:24:26,963 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 04:24:27,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:24:27,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 223 states and 370 transitions. [2021-11-21 04:24:27,802 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 370 transitions. [2021-11-21 04:24:27,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:24:27,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:24:27,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:24:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:24:27,827 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 04:24:28,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:24:28,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 223 states and 369 transitions. [2021-11-21 04:24:28,652 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 369 transitions. [2021-11-21 04:24:28,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 04:24:28,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:24:28,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:24:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:24:29,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:24:32,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:24:32,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 227 states and 375 transitions. [2021-11-21 04:24:32,009 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 375 transitions. [2021-11-21 04:24:32,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 04:24:32,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:24:32,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:24:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:24:32,070 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 04:24:34,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:24:34,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 230 states and 380 transitions. [2021-11-21 04:24:34,696 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 380 transitions. [2021-11-21 04:24:34,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 04:24:34,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:24:34,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:24:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:24:35,981 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:24:40,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:24:40,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 233 states and 389 transitions. [2021-11-21 04:24:40,090 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 389 transitions. [2021-11-21 04:24:40,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 04:24:40,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:24:40,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:24:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:24:40,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:24:54,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:24:54,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 250 states and 419 transitions. [2021-11-21 04:24:54,557 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 419 transitions. [2021-11-21 04:24:54,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 04:24:54,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:24:54,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:24:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:24:54,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:24:59,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:24:59,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 256 states and 428 transitions. [2021-11-21 04:24:59,714 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 428 transitions. [2021-11-21 04:24:59,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 04:24:59,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:24:59,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:24:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:24:59,741 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:25:00,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:25:00,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 254 states and 424 transitions. [2021-11-21 04:25:00,904 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 424 transitions. [2021-11-21 04:25:00,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 04:25:00,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:25:00,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:25:00,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:25:03,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:25:18,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:25:18,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 270 states and 454 transitions. [2021-11-21 04:25:18,423 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 454 transitions. [2021-11-21 04:25:18,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 04:25:18,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:25:18,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:25:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:25:21,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:25:38,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:25:38,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 284 states and 481 transitions. [2021-11-21 04:25:38,301 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 481 transitions. [2021-11-21 04:25:38,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 04:25:38,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:25:38,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:25:38,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:25:38,325 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-21 04:25:39,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:25:39,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 285 states and 482 transitions. [2021-11-21 04:25:39,564 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 482 transitions. [2021-11-21 04:25:39,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 04:25:39,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:25:39,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:25:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:25:39,585 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-21 04:25:40,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:25:40,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 285 states and 481 transitions. [2021-11-21 04:25:40,818 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 481 transitions. [2021-11-21 04:25:40,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 04:25:40,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:25:40,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:25:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:25:42,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:25:54,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:25:54,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 296 states and 498 transitions. [2021-11-21 04:25:54,689 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 498 transitions. [2021-11-21 04:25:54,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 04:25:54,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:25:54,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:25:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:25:54,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:25:57,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:25:57,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 300 states and 502 transitions. [2021-11-21 04:25:57,922 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 502 transitions. [2021-11-21 04:25:57,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 04:25:57,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:25:57,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:25:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:25:57,983 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 04:26:02,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:26:02,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 303 states and 507 transitions. [2021-11-21 04:26:02,201 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 507 transitions. [2021-11-21 04:26:02,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 04:26:02,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:26:02,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:26:02,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:26:04,193 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:26:10,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:26:10,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 306 states and 516 transitions. [2021-11-21 04:26:10,856 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 516 transitions. [2021-11-21 04:26:10,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 04:26:10,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:26:10,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:26:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:26:10,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:26:10,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:26:10,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 305 states and 515 transitions. [2021-11-21 04:26:10,892 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 515 transitions. [2021-11-21 04:26:10,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 04:26:10,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:26:10,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:26:10,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:26:11,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:26:12,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:26:12,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 304 states and 514 transitions. [2021-11-21 04:26:12,846 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 514 transitions. [2021-11-21 04:26:12,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 04:26:12,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:26:12,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:26:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:26:15,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:26:19,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:26:19,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 306 states and 518 transitions. [2021-11-21 04:26:19,992 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 518 transitions. [2021-11-21 04:26:19,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 04:26:19,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:26:19,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:26:19,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:26:20,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:26:21,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:26:21,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 310 states and 526 transitions. [2021-11-21 04:26:21,661 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 526 transitions. [2021-11-21 04:26:21,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 04:26:21,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:26:21,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:26:21,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:26:27,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:26:55,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:26:55,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 329 states and 564 transitions. [2021-11-21 04:26:55,043 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 564 transitions. [2021-11-21 04:26:55,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 04:26:55,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:26:55,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:26:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:26:58,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:27:29,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:27:29,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 346 states and 600 transitions. [2021-11-21 04:27:29,251 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 600 transitions. [2021-11-21 04:27:29,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 04:27:29,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:27:29,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:27:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:27:29,274 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-21 04:27:30,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:27:30,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 347 states and 601 transitions. [2021-11-21 04:27:30,772 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 601 transitions. [2021-11-21 04:27:30,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 04:27:30,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:27:30,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:27:30,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:27:30,791 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-21 04:27:32,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:27:32,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 347 states and 600 transitions. [2021-11-21 04:27:32,260 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 600 transitions. [2021-11-21 04:27:32,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 04:27:32,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:27:32,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:27:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:27:32,372 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:27:33,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:27:33,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 348 states and 600 transitions. [2021-11-21 04:27:33,398 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 600 transitions. [2021-11-21 04:27:33,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 04:27:33,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:27:33,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:27:33,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:27:39,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:28:12,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:28:12,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 363 states and 631 transitions. [2021-11-21 04:28:12,126 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 631 transitions. [2021-11-21 04:28:12,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 04:28:12,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:28:12,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:28:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:28:12,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:28:15,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:28:15,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 366 states and 641 transitions. [2021-11-21 04:28:15,367 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 641 transitions. [2021-11-21 04:28:15,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 04:28:15,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:28:15,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:28:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:28:15,444 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-21 04:28:21,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:28:21,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 369 states and 646 transitions. [2021-11-21 04:28:21,391 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 646 transitions. [2021-11-21 04:28:21,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 04:28:21,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:28:21,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:28:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:28:24,384 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:28:33,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:28:33,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 372 states and 655 transitions. [2021-11-21 04:28:33,904 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 655 transitions. [2021-11-21 04:28:33,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:28:33,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:28:33,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:28:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:28:41,065 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:29:31,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:29:31,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 393 states and 696 transitions. [2021-11-21 04:29:31,194 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 696 transitions. [2021-11-21 04:29:31,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:29:31,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:29:31,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:29:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:29:34,836 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:30:33,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:30:33,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 418 states and 755 transitions. [2021-11-21 04:30:33,815 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 755 transitions. [2021-11-21 04:30:33,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:30:33,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:30:33,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:30:33,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:30:35,390 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:30:39,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:30:39,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 420 states and 757 transitions. [2021-11-21 04:30:39,476 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 757 transitions. [2021-11-21 04:30:39,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 04:30:39,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:30:39,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:30:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:30:42,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:31:45,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:31:45,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 444 states and 807 transitions. [2021-11-21 04:31:45,967 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 807 transitions. [2021-11-21 04:31:45,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 04:31:45,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:31:45,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:31:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:31:46,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:32:02,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:02,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 451 states and 818 transitions. [2021-11-21 04:32:02,219 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 818 transitions. [2021-11-21 04:32:02,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 04:32:02,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:02,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:02,249 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-21 04:32:04,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:04,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 452 states and 819 transitions. [2021-11-21 04:32:04,478 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 819 transitions. [2021-11-21 04:32:04,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 04:32:04,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:04,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:04,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:04,499 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-21 04:32:06,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:06,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 452 states and 818 transitions. [2021-11-21 04:32:06,880 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 818 transitions. [2021-11-21 04:32:06,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 04:32:06,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:06,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:06,914 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:32:09,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:09,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 450 states and 814 transitions. [2021-11-21 04:32:09,667 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 814 transitions. [2021-11-21 04:32:09,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 04:32:09,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:09,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:09,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:32:28,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:28,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 456 states and 824 transitions. [2021-11-21 04:32:28,952 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 824 transitions. [2021-11-21 04:32:28,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 04:32:28,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:28,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:28,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:29,033 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-21 04:32:37,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:37,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 459 states and 829 transitions. [2021-11-21 04:32:37,118 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 829 transitions. [2021-11-21 04:32:37,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 04:32:37,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:37,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:41,220 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:32:54,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:54,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 462 states and 838 transitions. [2021-11-21 04:32:54,549 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 838 transitions. [2021-11-21 04:32:54,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 04:32:54,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:54,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:54,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:54,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:33:42,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:33:42,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 478 states and 866 transitions. [2021-11-21 04:33:42,713 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 866 transitions. [2021-11-21 04:33:42,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 04:33:42,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:33:42,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:33:42,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:33:51,368 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:34:07,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:34:07,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 480 states and 868 transitions. [2021-11-21 04:34:07,232 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 868 transitions. [2021-11-21 04:34:07,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 04:34:07,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:34:07,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:34:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:34:15,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:35:12,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:12,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 495 states and 895 transitions. [2021-11-21 04:35:12,788 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 895 transitions. [2021-11-21 04:35:12,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 04:35:12,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:12,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:12,814 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-21 04:35:15,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:15,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 496 states and 896 transitions. [2021-11-21 04:35:15,520 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 896 transitions. [2021-11-21 04:35:15,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 04:35:15,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:15,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:15,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:15,541 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-21 04:35:18,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:18,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 496 states and 895 transitions. [2021-11-21 04:35:18,159 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 895 transitions. [2021-11-21 04:35:18,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 04:35:18,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:18,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:18,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:18,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.