./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83a2de2f-4717-4ef8-9d9d-f9a367eec6af/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83a2de2f-4717-4ef8-9d9d-f9a367eec6af/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83a2de2f-4717-4ef8-9d9d-f9a367eec6af/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83a2de2f-4717-4ef8-9d9d-f9a367eec6af/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83a2de2f-4717-4ef8-9d9d-f9a367eec6af/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83a2de2f-4717-4ef8-9d9d-f9a367eec6af/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 36c3a12d89778d96e6058a4f11ff4e1483403bd2fab9b14de640491057c7f753 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:21:30,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:21:30,693 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:21:30,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:21:30,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:21:30,748 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:21:30,750 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:21:30,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:21:30,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:21:30,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:21:30,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:21:30,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:21:30,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:21:30,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:21:30,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:21:30,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:21:30,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:21:30,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:21:30,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:21:30,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:21:30,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:21:30,795 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:21:30,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:21:30,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:21:30,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:21:30,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:21:30,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:21:30,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:21:30,809 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:21:30,810 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:21:30,811 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:21:30,812 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:21:30,813 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:21:30,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:21:30,815 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:21:30,815 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:21:30,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:21:30,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:21:30,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:21:30,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:21:30,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:21:30,820 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83a2de2f-4717-4ef8-9d9d-f9a367eec6af/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-22 23:21:30,845 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:21:30,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:21:30,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:21:30,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:21:30,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:21:30,849 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:21:30,849 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 23:21:30,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:21:30,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:21:30,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:21:30,851 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-22 23:21:30,851 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-22 23:21:30,851 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-22 23:21:30,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:21:30,852 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:21:30,852 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:21:30,853 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:21:30,853 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:21:30,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:21:30,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:21:30,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:21:30,855 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:21:30,855 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:21:30,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:21:30,856 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_83a2de2f-4717-4ef8-9d9d-f9a367eec6af/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83a2de2f-4717-4ef8-9d9d-f9a367eec6af/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36c3a12d89778d96e6058a4f11ff4e1483403bd2fab9b14de640491057c7f753 [2021-11-22 23:21:31,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:21:31,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:21:31,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:21:31,239 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:21:31,241 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:21:31,242 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83a2de2f-4717-4ef8-9d9d-f9a367eec6af/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca-1.i [2021-11-22 23:21:31,322 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83a2de2f-4717-4ef8-9d9d-f9a367eec6af/bin/ukojak-LBtLqBUTdQ/data/e46dc2c22/2ae1fa09f8bb4b47a04f4f9f38037a8c/FLAG0a525a1a2 [2021-11-22 23:21:31,888 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:21:31,889 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83a2de2f-4717-4ef8-9d9d-f9a367eec6af/sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca-1.i [2021-11-22 23:21:31,914 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83a2de2f-4717-4ef8-9d9d-f9a367eec6af/bin/ukojak-LBtLqBUTdQ/data/e46dc2c22/2ae1fa09f8bb4b47a04f4f9f38037a8c/FLAG0a525a1a2 [2021-11-22 23:21:32,158 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83a2de2f-4717-4ef8-9d9d-f9a367eec6af/bin/ukojak-LBtLqBUTdQ/data/e46dc2c22/2ae1fa09f8bb4b47a04f4f9f38037a8c [2021-11-22 23:21:32,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:21:32,161 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:21:32,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:21:32,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:21:32,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:21:32,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:21:32" (1/1) ... [2021-11-22 23:21:32,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a1eaf50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:32, skipping insertion in model container [2021-11-22 23:21:32,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:21:32" (1/1) ... [2021-11-22 23:21:32,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:21:32,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:21:32,550 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:21:32,558 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:21:32,604 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:21:32,633 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:21:32,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:32 WrapperNode [2021-11-22 23:21:32,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:21:32,635 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:21:32,637 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:21:32,637 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:21:32,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:32" (1/1) ... [2021-11-22 23:21:32,658 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:32" (1/1) ... [2021-11-22 23:21:32,683 INFO L137 Inliner]: procedures = 119, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 98 [2021-11-22 23:21:32,684 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:21:32,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:21:32,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:21:32,685 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:21:32,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:32" (1/1) ... [2021-11-22 23:21:32,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:32" (1/1) ... [2021-11-22 23:21:32,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:32" (1/1) ... [2021-11-22 23:21:32,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:32" (1/1) ... [2021-11-22 23:21:32,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:32" (1/1) ... [2021-11-22 23:21:32,717 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:32" (1/1) ... [2021-11-22 23:21:32,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:32" (1/1) ... [2021-11-22 23:21:32,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:21:32,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:21:32,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:21:32,724 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:21:32,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:32" (1/1) ... [2021-11-22 23:21:32,734 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:21:32,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83a2de2f-4717-4ef8-9d9d-f9a367eec6af/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:21:32,762 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83a2de2f-4717-4ef8-9d9d-f9a367eec6af/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:21:32,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83a2de2f-4717-4ef8-9d9d-f9a367eec6af/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:21:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:21:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:21:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 23:21:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:21:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 23:21:32,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:21:32,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:21:32,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:21:32,909 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:21:32,911 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:21:33,203 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:21:33,321 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:21:33,321 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-22 23:21:33,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:21:33 BoogieIcfgContainer [2021-11-22 23:21:33,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:21:33,325 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:21:33,325 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:21:33,339 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:21:33,339 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:21:33" (1/1) ... [2021-11-22 23:21:33,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:21:33,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:33,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 44 states and 50 transitions. [2021-11-22 23:21:33,453 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2021-11-22 23:21:33,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-22 23:21:33,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:33,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:33,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:33,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:33,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:33,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 43 states and 49 transitions. [2021-11-22 23:21:33,734 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2021-11-22 23:21:33,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-22 23:21:33,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:33,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:33,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:33,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:33,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:33,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 45 states and 53 transitions. [2021-11-22 23:21:33,976 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2021-11-22 23:21:33,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-22 23:21:33,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:33,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:34,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:34,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:34,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 44 states and 52 transitions. [2021-11-22 23:21:34,053 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2021-11-22 23:21:34,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-22 23:21:34,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:34,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:34,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:34,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:34,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 46 states and 57 transitions. [2021-11-22 23:21:34,374 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2021-11-22 23:21:34,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-22 23:21:34,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:34,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:34,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:34,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:34,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 45 states and 56 transitions. [2021-11-22 23:21:34,453 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2021-11-22 23:21:34,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-22 23:21:34,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:34,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:34,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:34,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:34,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 44 states and 55 transitions. [2021-11-22 23:21:34,682 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 55 transitions. [2021-11-22 23:21:34,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:21:34,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:34,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:34,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:35,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:35,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 45 states and 55 transitions. [2021-11-22 23:21:35,073 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2021-11-22 23:21:35,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:21:35,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:35,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:35,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:35,201 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:35,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:35,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 46 states and 58 transitions. [2021-11-22 23:21:35,605 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2021-11-22 23:21:35,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:21:35,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:35,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:35,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:35,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:35,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 47 states and 59 transitions. [2021-11-22 23:21:35,641 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2021-11-22 23:21:35,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:21:35,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:35,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:35,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:35,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:35,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 48 states and 62 transitions. [2021-11-22 23:21:35,940 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2021-11-22 23:21:35,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:21:35,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:35,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:35,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:35,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:35,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 47 states and 61 transitions. [2021-11-22 23:21:35,971 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2021-11-22 23:21:35,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:21:35,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:35,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:35,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:35,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:36,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:36,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2021-11-22 23:21:36,007 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2021-11-22 23:21:36,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:21:36,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:36,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:36,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:36,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:37,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:37,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 49 states and 66 transitions. [2021-11-22 23:21:37,031 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 66 transitions. [2021-11-22 23:21:37,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:21:37,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:37,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:37,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:37,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:37,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 48 states and 65 transitions. [2021-11-22 23:21:37,061 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2021-11-22 23:21:37,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:21:37,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:37,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:37,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:37,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:37,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 47 states and 64 transitions. [2021-11-22 23:21:37,094 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 64 transitions. [2021-11-22 23:21:37,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:21:37,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:37,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:37,180 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:37,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:37,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 41 states and 52 transitions. [2021-11-22 23:21:37,429 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2021-11-22 23:21:37,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:21:37,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:37,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:37,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:37,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:37,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:37,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 40 states and 51 transitions. [2021-11-22 23:21:37,458 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2021-11-22 23:21:37,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:21:37,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:37,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:37,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:37,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:37,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 39 states and 50 transitions. [2021-11-22 23:21:37,491 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2021-11-22 23:21:37,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:21:37,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:37,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:37,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:38,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:38,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 40 states and 52 transitions. [2021-11-22 23:21:38,020 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 52 transitions. [2021-11-22 23:21:38,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:21:38,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:38,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:38,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:39,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:39,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 46 states and 61 transitions. [2021-11-22 23:21:39,462 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2021-11-22 23:21:39,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:21:39,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:39,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:39,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:41,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:41,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 52 states and 70 transitions. [2021-11-22 23:21:41,887 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 70 transitions. [2021-11-22 23:21:41,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:21:41,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:41,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:42,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:45,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:45,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 61 states and 86 transitions. [2021-11-22 23:21:45,773 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 86 transitions. [2021-11-22 23:21:45,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:21:45,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:45,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:46,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:50,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:50,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 70 states and 101 transitions. [2021-11-22 23:21:50,547 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 101 transitions. [2021-11-22 23:21:50,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:21:50,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:50,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:50,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:21:51,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:51,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 58 states and 77 transitions. [2021-11-22 23:21:51,095 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 77 transitions. [2021-11-22 23:21:51,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:21:51,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:51,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:51,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:52,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:52,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 63 states and 86 transitions. [2021-11-22 23:21:52,307 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2021-11-22 23:21:52,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:21:52,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:52,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:52,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:53,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:53,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 68 states and 95 transitions. [2021-11-22 23:21:53,431 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 95 transitions. [2021-11-22 23:21:53,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:21:53,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:53,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:53,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:54,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:54,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 69 states and 98 transitions. [2021-11-22 23:21:54,398 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2021-11-22 23:21:54,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:21:54,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:54,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:55,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:57,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:57,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 73 states and 106 transitions. [2021-11-22 23:21:57,900 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 106 transitions. [2021-11-22 23:21:57,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:21:57,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:57,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:57,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:57,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:57,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:57,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 74 states and 111 transitions. [2021-11-22 23:21:57,932 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 111 transitions. [2021-11-22 23:21:57,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:21:57,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:57,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:57,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:57,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:57,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 75 states and 116 transitions. [2021-11-22 23:21:57,973 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 116 transitions. [2021-11-22 23:21:57,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:57,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:57,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:58,148 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:59,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:59,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 78 states and 122 transitions. [2021-11-22 23:21:59,539 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 122 transitions. [2021-11-22 23:21:59,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:59,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:59,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:00,723 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:08,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:08,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 88 states and 139 transitions. [2021-11-22 23:22:08,051 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 139 transitions. [2021-11-22 23:22:08,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:22:08,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:08,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:08,094 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:22:08,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:08,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 86 states and 132 transitions. [2021-11-22 23:22:08,861 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 132 transitions. [2021-11-22 23:22:08,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:22:08,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:08,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:08,906 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:22:09,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:09,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2021-11-22 23:22:09,629 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2021-11-22 23:22:09,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:22:09,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:09,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:09,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:09,676 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:22:14,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:14,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 84 states and 132 transitions. [2021-11-22 23:22:14,517 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 132 transitions. [2021-11-22 23:22:14,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:22:14,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:14,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:14,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:22:15,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:15,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 77 states and 120 transitions. [2021-11-22 23:22:15,466 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 120 transitions. [2021-11-22 23:22:15,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:22:15,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:15,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:15,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:15,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:18,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:18,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 83 states and 135 transitions. [2021-11-22 23:22:18,941 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 135 transitions. [2021-11-22 23:22:18,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:22:18,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:18,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:18,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:21,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:34,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:34,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 91 states and 157 transitions. [2021-11-22 23:22:34,716 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 157 transitions. [2021-11-22 23:22:34,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:22:34,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:34,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:34,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:34,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:36,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:36,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 93 states and 163 transitions. [2021-11-22 23:22:36,479 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 163 transitions. [2021-11-22 23:22:36,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:22:36,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:36,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:36,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:36,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:37,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:37,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 95 states and 168 transitions. [2021-11-22 23:22:37,770 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 168 transitions. [2021-11-22 23:22:37,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:22:37,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:37,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:38,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:55,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:55,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 110 states and 201 transitions. [2021-11-22 23:22:55,584 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 201 transitions. [2021-11-22 23:22:55,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:22:55,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:55,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:55,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:57,485 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:12,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:12,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 116 states and 210 transitions. [2021-11-22 23:23:12,298 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 210 transitions. [2021-11-22 23:23:12,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:23:12,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:12,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:12,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:13,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:30,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:30,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 128 states and 230 transitions. [2021-11-22 23:23:30,345 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 230 transitions. [2021-11-22 23:23:30,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:23:30,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:30,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:30,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:33,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:23:46,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:46,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 128 states and 229 transitions. [2021-11-22 23:23:46,271 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 229 transitions. [2021-11-22 23:23:46,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:23:46,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:46,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:46,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:46,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:23:54,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:54,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 133 states and 241 transitions. [2021-11-22 23:23:54,645 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 241 transitions. [2021-11-22 23:23:54,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:23:54,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:54,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:57,195 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:24:10,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:10,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 140 states and 256 transitions. [2021-11-22 23:24:10,860 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 256 transitions. [2021-11-22 23:24:10,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:24:10,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:10,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:10,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:24:14,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:14,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 142 states and 260 transitions. [2021-11-22 23:24:14,043 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 260 transitions. [2021-11-22 23:24:14,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:24:14,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:14,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:19,547 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:50,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:50,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 150 states and 284 transitions. [2021-11-22 23:24:50,857 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 284 transitions. [2021-11-22 23:24:50,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:24:50,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:50,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:50,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:24:52,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:52,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 151 states and 284 transitions. [2021-11-22 23:24:52,471 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 284 transitions. [2021-11-22 23:24:52,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:24:52,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:52,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:53,668 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:24:55,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:55,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 139 states and 265 transitions. [2021-11-22 23:24:55,543 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 265 transitions. [2021-11-22 23:24:55,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:24:55,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:55,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:55,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:55,666 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:24:57,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:57,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 140 states and 265 transitions. [2021-11-22 23:24:57,832 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 265 transitions. [2021-11-22 23:24:57,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:24:57,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:57,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:57,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:57,861 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-22 23:25:01,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:01,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 143 states and 268 transitions. [2021-11-22 23:25:01,656 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 268 transitions. [2021-11-22 23:25:01,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:25:01,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:01,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:01,683 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-22 23:25:05,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:05,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 146 states and 271 transitions. [2021-11-22 23:25:05,955 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 271 transitions. [2021-11-22 23:25:05,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:25:05,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:05,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:05,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:13,193 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:25:50,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:50,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 154 states and 292 transitions. [2021-11-22 23:25:50,614 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 292 transitions. [2021-11-22 23:25:50,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:25:50,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:50,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:50,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:50,636 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:25:52,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:52,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 155 states and 292 transitions. [2021-11-22 23:25:52,323 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 292 transitions. [2021-11-22 23:25:52,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:25:52,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:52,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:52,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:52,346 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:25:54,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:54,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 156 states and 294 transitions. [2021-11-22 23:25:54,179 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 294 transitions. [2021-11-22 23:25:54,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:25:54,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:54,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:59,693 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:49,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:49,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 169 states and 341 transitions. [2021-11-22 23:26:49,450 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 341 transitions. [2021-11-22 23:26:49,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:26:49,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:49,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:49,481 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:26:52,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:52,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 169 states and 340 transitions. [2021-11-22 23:26:52,121 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 340 transitions. [2021-11-22 23:26:52,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:26:52,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:52,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:52,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:52,148 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:26:54,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:54,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 170 states and 342 transitions. [2021-11-22 23:26:54,350 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 342 transitions. [2021-11-22 23:26:54,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:26:54,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:54,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:54,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:54,375 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:26:56,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:56,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 171 states and 344 transitions. [2021-11-22 23:26:56,453 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 344 transitions. [2021-11-22 23:26:56,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:26:56,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:56,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:56,482 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:26:58,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:58,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 172 states and 344 transitions. [2021-11-22 23:26:58,705 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 344 transitions. [2021-11-22 23:26:58,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:26:58,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:58,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:06,875 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:00,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:00,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 187 states and 373 transitions. [2021-11-22 23:28:00,683 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 373 transitions. [2021-11-22 23:28:00,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:28:00,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:00,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:00,716 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-22 23:28:05,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:05,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 188 states and 375 transitions. [2021-11-22 23:28:05,410 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 375 transitions. [2021-11-22 23:28:05,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:28:05,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:05,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:05,535 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:28:08,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:08,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 189 states and 376 transitions. [2021-11-22 23:28:08,999 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 376 transitions. [2021-11-22 23:28:09,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:28:09,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:09,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:09,128 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:28:15,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:15,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 191 states and 380 transitions. [2021-11-22 23:28:15,166 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 380 transitions. [2021-11-22 23:28:15,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:28:15,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:15,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:15,197 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:28:19,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:19,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 192 states and 382 transitions. [2021-11-22 23:28:19,509 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 382 transitions. [2021-11-22 23:28:19,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:28:19,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:19,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:19,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:19,530 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-22 23:28:22,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:22,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 193 states and 384 transitions. [2021-11-22 23:28:22,115 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 384 transitions. [2021-11-22 23:28:22,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:28:22,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:22,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:22,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:27,976 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:29:02,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:02,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 201 states and 405 transitions. [2021-11-22 23:29:02,801 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 405 transitions. [2021-11-22 23:29:02,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:29:02,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:02,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:04,857 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:29:16,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:16,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 204 states and 410 transitions. [2021-11-22 23:29:16,578 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 410 transitions. [2021-11-22 23:29:16,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:29:16,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:16,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:16,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:16,614 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:29:19,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:19,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 204 states and 409 transitions. [2021-11-22 23:29:19,585 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 409 transitions. [2021-11-22 23:29:19,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:29:19,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:19,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:21,228 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:29:23,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:23,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 205 states and 409 transitions. [2021-11-22 23:29:23,887 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 409 transitions. [2021-11-22 23:29:23,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:29:23,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:23,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:23,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:25,603 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:29:34,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:34,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 208 states and 416 transitions. [2021-11-22 23:29:34,315 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 416 transitions. [2021-11-22 23:29:34,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:29:34,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:34,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:41,829 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:39,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:39,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 216 states and 441 transitions. [2021-11-22 23:30:39,091 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 441 transitions. [2021-11-22 23:30:39,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:30:39,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:39,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:39,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:39,123 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:30:42,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:42,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 217 states and 442 transitions. [2021-11-22 23:30:42,286 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 442 transitions. [2021-11-22 23:30:42,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:30:42,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:42,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:42,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:42,318 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:30:46,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:46,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 217 states and 441 transitions. [2021-11-22 23:30:46,388 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 441 transitions. [2021-11-22 23:30:46,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:30:46,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:46,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:01,399 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:07,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:07,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 228 states and 468 transitions. [2021-11-22 23:32:07,862 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 468 transitions. [2021-11-22 23:32:07,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:32:07,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:07,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:07,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:12,618 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:32:24,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:24,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 230 states and 472 transitions. [2021-11-22 23:32:24,039 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 472 transitions. [2021-11-22 23:32:24,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:32:24,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:24,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:24,063 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:32:31,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:31,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 231 states and 473 transitions. [2021-11-22 23:32:31,124 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 473 transitions. [2021-11-22 23:32:31,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:32:31,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:31,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:31,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:32,021 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:32:52,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:52,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 236 states and 485 transitions. [2021-11-22 23:32:52,570 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 485 transitions. [2021-11-22 23:32:52,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:32:52,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:52,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:52,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:57,801 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:33:06,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:06,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 237 states and 490 transitions. [2021-11-22 23:33:06,420 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 490 transitions. [2021-11-22 23:33:06,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:33:06,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:06,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:12,609 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.