./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_shadowinit.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f0cd8-23ef-4e82-b02c-9e8d8f877037/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f0cd8-23ef-4e82-b02c-9e8d8f877037/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f0cd8-23ef-4e82-b02c-9e8d8f877037/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f0cd8-23ef-4e82-b02c-9e8d8f877037/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_shadowinit.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f0cd8-23ef-4e82-b02c-9e8d8f877037/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f0cd8-23ef-4e82-b02c-9e8d8f877037/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 03931b69e9073178e54f20b91a2b2a66154a89c69758aa4d312927278c5c0104 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 22:43:19,745 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 22:43:19,747 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 22:43:19,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 22:43:19,820 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 22:43:19,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 22:43:19,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 22:43:19,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 22:43:19,829 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 22:43:19,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 22:43:19,833 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 22:43:19,835 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 22:43:19,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 22:43:19,837 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 22:43:19,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 22:43:19,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 22:43:19,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 22:43:19,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 22:43:19,847 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 22:43:19,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 22:43:19,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 22:43:19,855 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 22:43:19,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 22:43:19,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 22:43:19,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 22:43:19,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 22:43:19,865 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 22:43:19,866 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 22:43:19,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 22:43:19,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 22:43:19,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 22:43:19,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 22:43:19,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 22:43:19,874 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 22:43:19,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 22:43:19,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 22:43:19,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 22:43:19,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 22:43:19,878 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 22:43:19,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 22:43:19,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 22:43:19,881 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f0cd8-23ef-4e82-b02c-9e8d8f877037/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 22:43:19,909 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 22:43:19,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 22:43:19,910 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 22:43:19,911 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 22:43:19,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 22:43:19,912 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 22:43:19,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 22:43:19,913 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 22:43:19,913 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 22:43:19,913 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 22:43:19,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 22:43:19,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 22:43:19,914 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 22:43:19,915 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 22:43:19,915 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 22:43:19,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 22:43:19,916 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 22:43:19,916 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 22:43:19,916 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 22:43:19,917 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 22:43:19,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 22:43:19,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:43:19,918 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 22:43:19,918 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 22:43:19,919 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 22:43:19,919 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 22:43:19,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 22:43:19,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 22:43:19,920 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_979f0cd8-23ef-4e82-b02c-9e8d8f877037/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f0cd8-23ef-4e82-b02c-9e8d8f877037/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03931b69e9073178e54f20b91a2b2a66154a89c69758aa4d312927278c5c0104 [2021-11-13 22:43:20,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 22:43:20,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 22:43:20,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 22:43:20,315 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 22:43:20,316 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 22:43:20,318 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f0cd8-23ef-4e82-b02c-9e8d8f877037/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/array-industry-pattern/array_shadowinit.i [2021-11-13 22:43:20,408 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f0cd8-23ef-4e82-b02c-9e8d8f877037/bin/ukojak-2xVlg8857e/data/970097029/5ce0dce5023a4d2aa9a9a236f867bed9/FLAGf4b2cc13a [2021-11-13 22:43:20,913 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 22:43:20,913 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f0cd8-23ef-4e82-b02c-9e8d8f877037/sv-benchmarks/c/array-industry-pattern/array_shadowinit.i [2021-11-13 22:43:20,926 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f0cd8-23ef-4e82-b02c-9e8d8f877037/bin/ukojak-2xVlg8857e/data/970097029/5ce0dce5023a4d2aa9a9a236f867bed9/FLAGf4b2cc13a [2021-11-13 22:43:21,262 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f0cd8-23ef-4e82-b02c-9e8d8f877037/bin/ukojak-2xVlg8857e/data/970097029/5ce0dce5023a4d2aa9a9a236f867bed9 [2021-11-13 22:43:21,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 22:43:21,266 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 22:43:21,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 22:43:21,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 22:43:21,276 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 22:43:21,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:43:21" (1/1) ... [2021-11-13 22:43:21,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@258afe21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:21, skipping insertion in model container [2021-11-13 22:43:21,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:43:21" (1/1) ... [2021-11-13 22:43:21,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 22:43:21,316 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 22:43:21,616 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f0cd8-23ef-4e82-b02c-9e8d8f877037/sv-benchmarks/c/array-industry-pattern/array_shadowinit.i[809,822] [2021-11-13 22:43:21,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:43:21,649 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 22:43:21,666 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f0cd8-23ef-4e82-b02c-9e8d8f877037/sv-benchmarks/c/array-industry-pattern/array_shadowinit.i[809,822] [2021-11-13 22:43:21,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:43:21,700 INFO L208 MainTranslator]: Completed translation [2021-11-13 22:43:21,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:21 WrapperNode [2021-11-13 22:43:21,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 22:43:21,703 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 22:43:21,704 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 22:43:21,706 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 22:43:21,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:21" (1/1) ... [2021-11-13 22:43:21,726 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:21" (1/1) ... [2021-11-13 22:43:21,753 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 22:43:21,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 22:43:21,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 22:43:21,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 22:43:21,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:21" (1/1) ... [2021-11-13 22:43:21,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:21" (1/1) ... [2021-11-13 22:43:21,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:21" (1/1) ... [2021-11-13 22:43:21,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:21" (1/1) ... [2021-11-13 22:43:21,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:21" (1/1) ... [2021-11-13 22:43:21,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:21" (1/1) ... [2021-11-13 22:43:21,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:21" (1/1) ... [2021-11-13 22:43:21,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 22:43:21,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 22:43:21,812 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 22:43:21,812 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 22:43:21,814 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:21" (1/1) ... [2021-11-13 22:43:21,823 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:43:21,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f0cd8-23ef-4e82-b02c-9e8d8f877037/bin/ukojak-2xVlg8857e/z3 [2021-11-13 22:43:21,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f0cd8-23ef-4e82-b02c-9e8d8f877037/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 22:43:21,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f0cd8-23ef-4e82-b02c-9e8d8f877037/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 22:43:21,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 22:43:21,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 22:43:21,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 22:43:21,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 22:43:21,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 22:43:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 22:43:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 22:43:22,259 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 22:43:22,259 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 22:43:22,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:43:22 BoogieIcfgContainer [2021-11-13 22:43:22,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 22:43:22,280 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 22:43:22,280 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 22:43:22,303 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 22:43:22,303 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:43:22" (1/1) ... [2021-11-13 22:43:22,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 22:43:22,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:22,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2021-11-13 22:43:22,415 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2021-11-13 22:43:22,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 22:43:22,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:22,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:22,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:22,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:22,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2021-11-13 22:43:22,729 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2021-11-13 22:43:22,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 22:43:22,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:22,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:22,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:22,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:23,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:23,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 15 states and 26 transitions. [2021-11-13 22:43:23,268 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 26 transitions. [2021-11-13 22:43:23,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 22:43:23,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:23,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:23,616 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:24,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:24,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 15 states and 25 transitions. [2021-11-13 22:43:24,091 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 25 transitions. [2021-11-13 22:43:24,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 22:43:24,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:24,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:24,306 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:25,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:25,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 20 states and 39 transitions. [2021-11-13 22:43:25,260 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 39 transitions. [2021-11-13 22:43:25,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 22:43:25,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:25,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:25,670 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:27,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:27,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 26 states and 57 transitions. [2021-11-13 22:43:27,346 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 57 transitions. [2021-11-13 22:43:27,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 22:43:27,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:27,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:27,521 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:27,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:27,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 27 states and 61 transitions. [2021-11-13 22:43:27,849 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 61 transitions. [2021-11-13 22:43:27,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 22:43:27,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:27,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:27,993 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:28,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:28,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 25 states and 50 transitions. [2021-11-13 22:43:28,511 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 50 transitions. [2021-11-13 22:43:28,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 22:43:28,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:28,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:28,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:28,606 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:29,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:29,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 26 states and 51 transitions. [2021-11-13 22:43:29,435 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 51 transitions. [2021-11-13 22:43:29,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 22:43:29,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:29,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:29,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:29,645 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:31,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:31,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 33 states and 68 transitions. [2021-11-13 22:43:31,461 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 68 transitions. [2021-11-13 22:43:31,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 22:43:31,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:31,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:31,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:31,495 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:31,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:31,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 34 states and 69 transitions. [2021-11-13 22:43:31,817 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 69 transitions. [2021-11-13 22:43:31,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 22:43:31,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:31,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:31,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:32,371 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:35,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:35,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 43 states and 92 transitions. [2021-11-13 22:43:35,601 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 92 transitions. [2021-11-13 22:43:35,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 22:43:35,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:35,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:35,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:35,678 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:36,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:36,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 46 states and 101 transitions. [2021-11-13 22:43:36,903 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 101 transitions. [2021-11-13 22:43:36,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 22:43:36,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:36,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:37,221 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:38,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:38,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 48 states and 109 transitions. [2021-11-13 22:43:38,347 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 109 transitions. [2021-11-13 22:43:38,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 22:43:38,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:38,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:38,433 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:38,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:38,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 49 states and 112 transitions. [2021-11-13 22:43:38,942 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 112 transitions. [2021-11-13 22:43:38,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 22:43:38,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:38,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:38,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:39,641 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:40,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:40,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 45 states and 90 transitions. [2021-11-13 22:43:40,708 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 90 transitions. [2021-11-13 22:43:40,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:43:40,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:40,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:41,063 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:44,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:44,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 52 states and 108 transitions. [2021-11-13 22:43:44,159 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 108 transitions. [2021-11-13 22:43:44,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:43:44,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:44,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:44,214 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:45,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:45,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 54 states and 109 transitions. [2021-11-13 22:43:45,163 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 109 transitions. [2021-11-13 22:43:45,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 22:43:45,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:45,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:45,985 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:50,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:50,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 62 states and 134 transitions. [2021-11-13 22:43:50,708 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 134 transitions. [2021-11-13 22:43:50,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 22:43:50,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:50,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:50,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:50,789 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:53,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:53,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 66 states and 145 transitions. [2021-11-13 22:43:53,162 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 145 transitions. [2021-11-13 22:43:53,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 22:43:53,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:53,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:53,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:53,552 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:55,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:55,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 68 states and 152 transitions. [2021-11-13 22:43:55,156 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 152 transitions. [2021-11-13 22:43:55,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 22:43:55,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:55,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:55,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:55,241 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:56,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:56,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 70 states and 159 transitions. [2021-11-13 22:43:56,653 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 159 transitions. [2021-11-13 22:43:56,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 22:43:56,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:56,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:57,076 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:58,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:58,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 68 states and 144 transitions. [2021-11-13 22:43:58,019 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 144 transitions. [2021-11-13 22:43:58,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 22:43:58,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:58,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:58,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:58,112 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:43:58,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:58,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 69 states and 147 transitions. [2021-11-13 22:43:58,902 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 147 transitions. [2021-11-13 22:43:58,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 22:43:58,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:58,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:58,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:59,437 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:44:04,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:04,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 76 states and 166 transitions. [2021-11-13 22:44:04,309 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 166 transitions. [2021-11-13 22:44:04,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 22:44:04,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:04,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:04,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:04,342 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:44:05,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:05,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 78 states and 167 transitions. [2021-11-13 22:44:05,739 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 167 transitions. [2021-11-13 22:44:05,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 22:44:05,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:05,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:06,864 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:44:13,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:13,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 86 states and 194 transitions. [2021-11-13 22:44:13,773 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 194 transitions. [2021-11-13 22:44:13,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 22:44:13,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:13,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:13,857 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:44:17,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:17,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 90 states and 208 transitions. [2021-11-13 22:44:17,163 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 208 transitions. [2021-11-13 22:44:17,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 22:44:17,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:17,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:18,203 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 7 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:44:20,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:20,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 85 states and 164 transitions. [2021-11-13 22:44:20,094 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 164 transitions. [2021-11-13 22:44:20,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 22:44:20,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:20,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:20,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:20,536 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:44:22,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:22,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 87 states and 173 transitions. [2021-11-13 22:44:22,703 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 173 transitions. [2021-11-13 22:44:22,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:44:22,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:22,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:23,091 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 1 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:44:25,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:25,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 89 states and 181 transitions. [2021-11-13 22:44:25,359 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 181 transitions. [2021-11-13 22:44:25,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:44:25,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:25,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:25,780 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:44:28,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:28,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 91 states and 188 transitions. [2021-11-13 22:44:28,090 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 188 transitions. [2021-11-13 22:44:28,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:44:28,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:28,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:28,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:28,865 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 27 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:44:36,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:36,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 98 states and 206 transitions. [2021-11-13 22:44:36,075 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 206 transitions. [2021-11-13 22:44:36,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:44:36,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:36,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:36,118 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 27 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:44:38,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:38,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 100 states and 207 transitions. [2021-11-13 22:44:38,140 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 207 transitions. [2021-11-13 22:44:38,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 22:44:38,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:38,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:38,654 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 4 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:44:39,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:39,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 101 states and 211 transitions. [2021-11-13 22:44:39,998 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 211 transitions. [2021-11-13 22:44:39,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 22:44:39,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:39,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:40,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:41,721 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:44:52,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:52,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 110 states and 238 transitions. [2021-11-13 22:44:52,459 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 238 transitions. [2021-11-13 22:44:52,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 22:44:52,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:52,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:52,544 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:44:53,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:53,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 111 states and 239 transitions. [2021-11-13 22:44:53,890 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 239 transitions. [2021-11-13 22:44:53,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 22:44:53,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:53,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:58,718 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 7 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:45:04,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:04,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 106 states and 213 transitions. [2021-11-13 22:45:04,082 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 213 transitions. [2021-11-13 22:45:04,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 22:45:04,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:04,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:04,605 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 1 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:45:07,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:07,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 108 states and 224 transitions. [2021-11-13 22:45:07,150 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 224 transitions. [2021-11-13 22:45:07,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 22:45:07,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:07,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:07,671 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 1 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:45:10,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:10,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 110 states and 234 transitions. [2021-11-13 22:45:10,342 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 234 transitions. [2021-11-13 22:45:10,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:45:10,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:10,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:11,177 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 41 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:45:19,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:19,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 117 states and 253 transitions. [2021-11-13 22:45:19,517 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 253 transitions. [2021-11-13 22:45:19,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:45:19,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:19,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:19,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:20,000 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 2 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:45:22,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:22,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 119 states and 260 transitions. [2021-11-13 22:45:22,672 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 260 transitions. [2021-11-13 22:45:22,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:45:22,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:22,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:22,710 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 41 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:45:25,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:25,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 121 states and 261 transitions. [2021-11-13 22:45:25,193 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 261 transitions. [2021-11-13 22:45:25,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 22:45:25,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:25,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:25,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:26,751 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:45:39,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:39,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 130 states and 290 transitions. [2021-11-13 22:45:39,520 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 290 transitions. [2021-11-13 22:45:39,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 22:45:39,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:39,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:39,604 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:45:41,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:41,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 131 states and 291 transitions. [2021-11-13 22:45:41,297 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 291 transitions. [2021-11-13 22:45:41,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 22:45:41,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:41,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:41,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:41,974 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 4 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:45:45,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:45,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 133 states and 298 transitions. [2021-11-13 22:45:45,028 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 298 transitions. [2021-11-13 22:45:45,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 22:45:45,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:45,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:45,674 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 1 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:45:49,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:49,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 135 states and 311 transitions. [2021-11-13 22:45:49,196 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 311 transitions. [2021-11-13 22:45:49,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 22:45:49,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:49,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:49,905 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 7 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:45:53,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:53,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 137 states and 316 transitions. [2021-11-13 22:45:53,247 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 316 transitions. [2021-11-13 22:45:53,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 22:45:53,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:53,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:53,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:53,947 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 11 proven. 107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:45:55,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:55,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 131 states and 283 transitions. [2021-11-13 22:45:55,774 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 283 transitions. [2021-11-13 22:45:55,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 22:45:55,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:55,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:55,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:56,479 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 1 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:46:00,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:00,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 133 states and 295 transitions. [2021-11-13 22:46:00,121 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 295 transitions. [2021-11-13 22:46:00,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 22:46:00,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:00,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:00,756 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 2 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:46:04,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:04,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 135 states and 304 transitions. [2021-11-13 22:46:04,062 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 304 transitions. [2021-11-13 22:46:04,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 22:46:04,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:04,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:04,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:05,226 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 58 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:46:17,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:17,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 143 states and 324 transitions. [2021-11-13 22:46:17,911 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 324 transitions. [2021-11-13 22:46:17,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 22:46:17,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:17,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:17,951 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 58 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:46:20,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:20,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 144 states and 325 transitions. [2021-11-13 22:46:20,215 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 325 transitions. [2021-11-13 22:46:20,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 22:46:20,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:20,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:20,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:20,954 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 4 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:46:24,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:24,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 146 states and 332 transitions. [2021-11-13 22:46:24,488 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 332 transitions. [2021-11-13 22:46:24,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 22:46:24,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:24,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:24,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:26,401 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:46:42,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:42,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 155 states and 363 transitions. [2021-11-13 22:46:42,956 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 363 transitions. [2021-11-13 22:46:42,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 22:46:42,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:42,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:43,044 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:46:45,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:45,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 156 states and 364 transitions. [2021-11-13 22:46:45,332 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 364 transitions. [2021-11-13 22:46:45,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 22:46:45,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:45,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:46,015 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 7 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:46:49,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:49,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 158 states and 371 transitions. [2021-11-13 22:46:49,846 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 371 transitions. [2021-11-13 22:46:49,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 22:46:49,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:49,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:49,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:50,583 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 1 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:46:54,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:54,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 160 states and 386 transitions. [2021-11-13 22:46:54,971 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 386 transitions. [2021-11-13 22:46:54,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 22:46:54,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:54,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:55,831 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 11 proven. 137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:46:58,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:58,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 161 states and 390 transitions. [2021-11-13 22:46:58,243 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 390 transitions. [2021-11-13 22:46:58,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 22:46:58,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:58,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:58,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:58,973 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 1 proven. 131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:03,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:03,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 163 states and 404 transitions. [2021-11-13 22:47:03,486 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 404 transitions. [2021-11-13 22:47:03,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 22:47:03,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:03,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:03,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:03,607 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 11 proven. 137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:05,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:05,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 164 states and 405 transitions. [2021-11-13 22:47:05,250 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 405 transitions. [2021-11-13 22:47:05,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-13 22:47:05,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:05,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:06,007 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 2 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:10,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:10,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 166 states and 416 transitions. [2021-11-13 22:47:10,364 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 416 transitions. [2021-11-13 22:47:10,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-13 22:47:10,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:10,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:11,353 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 16 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:13,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:13,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 159 states and 375 transitions. [2021-11-13 22:47:13,786 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 375 transitions. [2021-11-13 22:47:13,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-13 22:47:13,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:13,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:15,278 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 78 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:31,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:31,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 166 states and 396 transitions. [2021-11-13 22:47:31,367 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 396 transitions. [2021-11-13 22:47:31,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-13 22:47:31,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:31,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:31,412 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 78 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:35,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:35,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 168 states and 397 transitions. [2021-11-13 22:47:35,965 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 397 transitions. [2021-11-13 22:47:35,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 22:47:35,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:35,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:35,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:36,782 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 4 proven. 151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:47:41,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:41,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 170 states and 406 transitions. [2021-11-13 22:47:41,389 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 406 transitions. [2021-11-13 22:47:41,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 22:47:41,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:41,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:47,942 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:09,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:09,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 177 states and 434 transitions. [2021-11-13 22:48:09,556 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 434 transitions. [2021-11-13 22:48:09,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 22:48:09,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:09,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:10,006 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:12,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:12,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 178 states and 435 transitions. [2021-11-13 22:48:12,927 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 435 transitions. [2021-11-13 22:48:12,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 22:48:12,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:12,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:12,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:13,829 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 7 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:18,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:18,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 180 states and 442 transitions. [2021-11-13 22:48:18,749 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 442 transitions. [2021-11-13 22:48:18,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 22:48:18,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:18,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:22,316 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 1 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:42,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:43,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 182 states and 453 transitions. [2021-11-13 22:48:43,000 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 453 transitions. [2021-11-13 22:48:43,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 22:48:43,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:43,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:43,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:43,863 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 1 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:49,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:49,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 184 states and 469 transitions. [2021-11-13 22:48:49,452 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 469 transitions. [2021-11-13 22:48:49,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 22:48:49,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:49,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:49,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:50,373 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 11 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:55,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:55,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 186 states and 476 transitions. [2021-11-13 22:48:55,491 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 476 transitions. [2021-11-13 22:48:55,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 22:48:55,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:55,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:57,341 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 101 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:17,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:17,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 193 states and 495 transitions. [2021-11-13 22:49:17,688 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 495 transitions. [2021-11-13 22:49:17,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 22:49:17,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:17,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:20,705 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 2 proven. 176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:28,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:28,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 195 states and 508 transitions. [2021-11-13 22:49:28,428 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 508 transitions. [2021-11-13 22:49:28,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 22:49:28,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:28,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:28,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:29,810 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 16 proven. 181 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:33,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:33,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 196 states and 512 transitions. [2021-11-13 22:49:33,401 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 512 transitions. [2021-11-13 22:49:33,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 22:49:33,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:33,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:33,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:33,542 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 16 proven. 181 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:49:36,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:49:36,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 197 states and 513 transitions. [2021-11-13 22:49:36,349 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 513 transitions. [2021-11-13 22:49:36,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-13 22:49:36,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:49:36,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:49:36,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:49:40,384 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 181 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:10,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:10,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 205 states and 545 transitions. [2021-11-13 22:50:10,807 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 545 transitions. [2021-11-13 22:50:10,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-13 22:50:10,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:10,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:12,102 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 22 proven. 191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:16,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:16,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 197 states and 493 transitions. [2021-11-13 22:50:16,302 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 493 transitions. [2021-11-13 22:50:16,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-13 22:50:16,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:16,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:16,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:18,718 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 4 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:27,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:27,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 199 states and 504 transitions. [2021-11-13 22:50:27,528 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 504 transitions. [2021-11-13 22:50:27,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 22:50:27,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:27,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:29,145 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 7 proven. 198 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:36,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:36,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 201 states and 513 transitions. [2021-11-13 22:50:36,273 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 513 transitions. [2021-11-13 22:50:36,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 22:50:36,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:36,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:36,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:37,989 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 1 proven. 191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:46,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:46,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 203 states and 532 transitions. [2021-11-13 22:50:46,900 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 532 transitions. [2021-11-13 22:50:46,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-13 22:50:46,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:46,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:46,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:48,474 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 1 proven. 203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:50:57,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:50:57,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 205 states and 550 transitions. [2021-11-13 22:50:57,894 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 550 transitions. [2021-11-13 22:50:57,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-13 22:50:57,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:50:57,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:50:57,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:50:59,132 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 11 proven. 209 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:07,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:07,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 207 states and 557 transitions. [2021-11-13 22:51:07,237 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 557 transitions. [2021-11-13 22:51:07,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-13 22:51:07,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:07,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:07,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:10,113 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 127 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:41,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:41,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 214 states and 577 transitions. [2021-11-13 22:51:41,219 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 577 transitions. [2021-11-13 22:51:41,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-13 22:51:41,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:41,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:42,941 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 2 proven. 215 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:51,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:51,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 216 states and 592 transitions. [2021-11-13 22:51:51,580 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 592 transitions. [2021-11-13 22:51:51,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-13 22:51:51,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:51,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:53,320 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 16 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:01,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:01,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 218 states and 599 transitions. [2021-11-13 22:52:01,968 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 599 transitions. [2021-11-13 22:52:01,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 22:52:01,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:01,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:06,731 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:46,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:46,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 226 states and 633 transitions. [2021-11-13 22:52:46,346 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 633 transitions. [2021-11-13 22:52:46,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 22:52:46,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:46,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:53,141 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 22 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:07,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:07,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 228 states and 638 transitions. [2021-11-13 22:53:07,018 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 638 transitions. [2021-11-13 22:53:07,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 22:53:07,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:07,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:08,878 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 4 proven. 227 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:17,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:17,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 230 states and 651 transitions. [2021-11-13 22:53:17,891 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 651 transitions. [2021-11-13 22:53:17,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 22:53:17,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:17,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:20,908 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 29 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:27,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:27,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 221 states and 589 transitions. [2021-11-13 22:53:27,372 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 589 transitions. [2021-11-13 22:53:27,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 22:53:27,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:27,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:29,065 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 7 proven. 239 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:38,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:38,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 223 states and 600 transitions. [2021-11-13 22:53:38,671 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 600 transitions. [2021-11-13 22:53:38,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 22:53:38,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:38,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:40,272 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 1 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:51,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:51,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 225 states and 621 transitions. [2021-11-13 22:53:51,248 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 621 transitions. [2021-11-13 22:53:51,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-13 22:53:51,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:51,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:52,992 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 11 proven. 251 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:01,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:01,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 227 states and 630 transitions. [2021-11-13 22:54:01,448 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 630 transitions. [2021-11-13 22:54:01,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-13 22:54:01,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:01,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:02,871 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 1 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:11,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:11,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 229 states and 650 transitions. [2021-11-13 22:54:11,569 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 650 transitions. [2021-11-13 22:54:11,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 22:54:11,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:11,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:11,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:12,779 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 2 proven. 258 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:21,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:21,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 231 states and 667 transitions. [2021-11-13 22:54:21,276 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 667 transitions. [2021-11-13 22:54:21,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 22:54:21,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:21,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:21,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:22,566 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 16 proven. 263 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:30,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:30,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 233 states and 674 transitions. [2021-11-13 22:54:30,452 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 674 transitions. [2021-11-13 22:54:30,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 22:54:30,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:30,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:32,930 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 156 proven. 97 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:04,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:04,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 240 states and 695 transitions. [2021-11-13 22:55:04,124 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 695 transitions. [2021-11-13 22:55:04,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 22:55:04,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:04,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:05,407 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 22 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:13,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:13,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 242 states and 702 transitions. [2021-11-13 22:55:13,850 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 702 transitions. [2021-11-13 22:55:13,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 22:55:13,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:13,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:15,180 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 4 proven. 271 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:24,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:24,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 244 states and 717 transitions. [2021-11-13 22:55:24,231 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 717 transitions. [2021-11-13 22:55:24,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 22:55:24,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:24,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:24,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:28,706 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.