./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/sina3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26afc73-4070-4cdc-b8bf-134a5c121231/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26afc73-4070-4cdc-b8bf-134a5c121231/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26afc73-4070-4cdc-b8bf-134a5c121231/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26afc73-4070-4cdc-b8bf-134a5c121231/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/sina3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26afc73-4070-4cdc-b8bf-134a5c121231/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26afc73-4070-4cdc-b8bf-134a5c121231/bin/ukojak-LBtLqBUTdQ --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 2aebf3cfbf85ca5d76e40b9ce94a108ab82985532ad1ea09b88a009b3e11ff5a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:15:35,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:15:35,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:15:35,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:15:35,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:15:35,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:15:35,851 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:15:35,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:15:35,859 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:15:35,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:15:35,865 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:15:35,867 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:15:35,868 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:15:35,871 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:15:35,873 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:15:35,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:15:35,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:15:35,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:15:35,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:15:35,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:15:35,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:15:35,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:15:35,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:15:35,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:15:35,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:15:35,903 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:15:35,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:15:35,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:15:35,907 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:15:35,908 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:15:35,910 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:15:35,911 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:15:35,913 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:15:35,914 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:15:35,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:15:35,916 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:15:35,917 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:15:35,917 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:15:35,918 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:15:35,919 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:15:35,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:15:35,920 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26afc73-4070-4cdc-b8bf-134a5c121231/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:15:35,965 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:15:35,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:15:35,969 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:15:35,969 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:15:35,970 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:15:35,970 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:15:35,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:15:35,970 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:15:35,977 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:15:35,978 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:15:35,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:15:35,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:15:35,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:15:35,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:15:35,980 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:15:35,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:15:35,980 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:15:35,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:15:35,981 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:15:35,981 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:15:35,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:15:35,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:15:35,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:15:35,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:15:35,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:15:35,982 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:15:35,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:15:35,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:15:35,983 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_c26afc73-4070-4cdc-b8bf-134a5c121231/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26afc73-4070-4cdc-b8bf-134a5c121231/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2aebf3cfbf85ca5d76e40b9ce94a108ab82985532ad1ea09b88a009b3e11ff5a [2021-11-23 01:15:36,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:15:36,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:15:36,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:15:36,301 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:15:36,302 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:15:36,303 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26afc73-4070-4cdc-b8bf-134a5c121231/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-fpi/sina3.c [2021-11-23 01:15:36,408 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26afc73-4070-4cdc-b8bf-134a5c121231/bin/ukojak-LBtLqBUTdQ/data/533057fe2/74304cc827be49c7a30dee49c290247a/FLAGbcbd3c46d [2021-11-23 01:15:36,983 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:15:36,984 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26afc73-4070-4cdc-b8bf-134a5c121231/sv-benchmarks/c/array-fpi/sina3.c [2021-11-23 01:15:36,997 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26afc73-4070-4cdc-b8bf-134a5c121231/bin/ukojak-LBtLqBUTdQ/data/533057fe2/74304cc827be49c7a30dee49c290247a/FLAGbcbd3c46d [2021-11-23 01:15:37,324 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26afc73-4070-4cdc-b8bf-134a5c121231/bin/ukojak-LBtLqBUTdQ/data/533057fe2/74304cc827be49c7a30dee49c290247a [2021-11-23 01:15:37,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:15:37,328 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:15:37,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:15:37,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:15:37,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:15:37,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:15:37" (1/1) ... [2021-11-23 01:15:37,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13416927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:37, skipping insertion in model container [2021-11-23 01:15:37,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:15:37" (1/1) ... [2021-11-23 01:15:37,352 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:15:37,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:15:37,514 WARN L230 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_c26afc73-4070-4cdc-b8bf-134a5c121231/sv-benchmarks/c/array-fpi/sina3.c[588,601] [2021-11-23 01:15:37,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:15:37,544 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:15:37,556 WARN L230 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_c26afc73-4070-4cdc-b8bf-134a5c121231/sv-benchmarks/c/array-fpi/sina3.c[588,601] [2021-11-23 01:15:37,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:15:37,581 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:15:37,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:37 WrapperNode [2021-11-23 01:15:37,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:15:37,583 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:15:37,583 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:15:37,584 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:15:37,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:37" (1/1) ... [2021-11-23 01:15:37,632 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:37" (1/1) ... [2021-11-23 01:15:37,665 INFO L137 Inliner]: procedures = 17, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 96 [2021-11-23 01:15:37,665 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:15:37,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:15:37,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:15:37,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:15:37,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:37" (1/1) ... [2021-11-23 01:15:37,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:37" (1/1) ... [2021-11-23 01:15:37,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:37" (1/1) ... [2021-11-23 01:15:37,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:37" (1/1) ... [2021-11-23 01:15:37,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:37" (1/1) ... [2021-11-23 01:15:37,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:37" (1/1) ... [2021-11-23 01:15:37,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:37" (1/1) ... [2021-11-23 01:15:37,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:15:37,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:15:37,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:15:37,724 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:15:37,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:37" (1/1) ... [2021-11-23 01:15:37,733 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:15:37,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26afc73-4070-4cdc-b8bf-134a5c121231/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:15:37,762 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26afc73-4070-4cdc-b8bf-134a5c121231/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:15:37,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26afc73-4070-4cdc-b8bf-134a5c121231/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:15:37,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:15:37,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:15:37,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:15:37,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:15:37,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:15:37,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:15:37,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:15:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:15:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:15:37,918 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:15:37,920 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:15:38,170 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:15:38,241 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:15:38,243 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-23 01:15:38,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:15:38 BoogieIcfgContainer [2021-11-23 01:15:38,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:15:38,248 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:15:38,248 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:15:38,259 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:15:38,260 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:15:38" (1/1) ... [2021-11-23 01:15:38,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:15:38,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:38,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2021-11-23 01:15:38,355 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2021-11-23 01:15:38,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:15:38,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:38,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:38,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:38,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:38,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2021-11-23 01:15:38,662 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2021-11-23 01:15:38,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:15:38,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:38,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:38,726 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:15:38,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:38,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2021-11-23 01:15:38,814 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2021-11-23 01:15:38,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:15:38,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:38,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:38,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:15:38,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:38,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2021-11-23 01:15:38,937 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2021-11-23 01:15:38,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:15:38,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:38,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:38,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:39,052 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:15:39,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:39,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2021-11-23 01:15:39,119 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2021-11-23 01:15:39,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:15:39,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:39,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:40,159 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:41,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:41,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 27 states and 60 transitions. [2021-11-23 01:15:41,831 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 60 transitions. [2021-11-23 01:15:41,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:15:41,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:41,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:42,023 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:15:42,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:42,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 28 states and 63 transitions. [2021-11-23 01:15:42,397 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 63 transitions. [2021-11-23 01:15:42,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:15:42,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:42,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:42,553 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:15:43,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:43,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 31 states and 69 transitions. [2021-11-23 01:15:43,464 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 69 transitions. [2021-11-23 01:15:43,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:15:43,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:43,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:43,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:43,543 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:15:43,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:43,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 31 states and 66 transitions. [2021-11-23 01:15:43,811 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 66 transitions. [2021-11-23 01:15:43,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:15:43,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:43,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:43,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:43,852 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:15:44,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:44,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 34 states and 72 transitions. [2021-11-23 01:15:44,455 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 72 transitions. [2021-11-23 01:15:44,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:15:44,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:44,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:44,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:44,570 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:15:45,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:45,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 37 states and 76 transitions. [2021-11-23 01:15:45,476 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 76 transitions. [2021-11-23 01:15:45,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:15:45,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:45,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:45,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:45,543 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:15:46,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:46,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 42 states and 85 transitions. [2021-11-23 01:15:46,482 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 85 transitions. [2021-11-23 01:15:46,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:15:46,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:46,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:46,615 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:15:47,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:47,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 46 states and 93 transitions. [2021-11-23 01:15:47,899 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 93 transitions. [2021-11-23 01:15:47,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:15:47,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:47,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:48,230 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:15:48,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:48,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 42 states and 81 transitions. [2021-11-23 01:15:48,797 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 81 transitions. [2021-11-23 01:15:48,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:15:48,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:48,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:48,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:48,927 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:15:49,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:49,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 39 states and 71 transitions. [2021-11-23 01:15:49,293 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 71 transitions. [2021-11-23 01:15:49,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:15:49,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:49,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:51,109 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:54,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:55,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 47 states and 93 transitions. [2021-11-23 01:15:55,000 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 93 transitions. [2021-11-23 01:15:55,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:15:55,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:55,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:55,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:55,426 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:56,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:56,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 48 states and 104 transitions. [2021-11-23 01:15:56,184 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 104 transitions. [2021-11-23 01:15:56,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:15:56,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:56,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:56,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:56,557 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:15:57,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:57,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 49 states and 107 transitions. [2021-11-23 01:15:57,345 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 107 transitions. [2021-11-23 01:15:57,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:15:57,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:57,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:57,441 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:15:58,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:58,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 53 states and 118 transitions. [2021-11-23 01:15:58,867 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 118 transitions. [2021-11-23 01:15:58,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:15:58,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:58,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:58,964 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:15:59,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:59,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 55 states and 121 transitions. [2021-11-23 01:15:59,705 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 121 transitions. [2021-11-23 01:15:59,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:15:59,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:59,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:00,028 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:16:01,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:01,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 57 states and 123 transitions. [2021-11-23 01:16:01,331 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 123 transitions. [2021-11-23 01:16:01,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:16:01,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:01,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:01,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:01,606 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:16:03,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:03,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 58 states and 128 transitions. [2021-11-23 01:16:03,957 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 128 transitions. [2021-11-23 01:16:03,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:16:03,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:03,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:04,249 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:16:04,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:04,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 59 states and 131 transitions. [2021-11-23 01:16:04,824 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 131 transitions. [2021-11-23 01:16:04,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:16:04,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:04,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:04,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:07,368 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:16:14,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:14,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 69 states and 153 transitions. [2021-11-23 01:16:14,642 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 153 transitions. [2021-11-23 01:16:14,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:16:14,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:14,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:14,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:14,937 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:16:17,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:17,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 74 states and 167 transitions. [2021-11-23 01:16:17,467 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 167 transitions. [2021-11-23 01:16:17,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:16:17,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:17,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:17,765 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:16:19,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:19,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 76 states and 171 transitions. [2021-11-23 01:16:19,431 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 171 transitions. [2021-11-23 01:16:19,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:16:19,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:19,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:19,671 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:16:20,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:20,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 77 states and 173 transitions. [2021-11-23 01:16:20,287 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 173 transitions. [2021-11-23 01:16:20,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:16:20,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:20,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:20,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:23,521 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:16:32,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:32,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 88 states and 204 transitions. [2021-11-23 01:16:32,436 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 204 transitions. [2021-11-23 01:16:32,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:16:32,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:32,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:33,180 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:16:34,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:34,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 89 states and 212 transitions. [2021-11-23 01:16:34,496 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 212 transitions. [2021-11-23 01:16:34,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:16:34,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:34,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:35,177 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:16:36,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:36,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 90 states and 215 transitions. [2021-11-23 01:16:36,474 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 215 transitions. [2021-11-23 01:16:36,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:16:36,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:36,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:36,643 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:16:38,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:38,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 92 states and 217 transitions. [2021-11-23 01:16:38,775 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 217 transitions. [2021-11-23 01:16:38,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:16:38,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:38,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:38,870 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:16:42,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:42,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 99 states and 227 transitions. [2021-11-23 01:16:42,631 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 227 transitions. [2021-11-23 01:16:42,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:16:42,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:42,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:42,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:42,825 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:16:46,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:46,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 100 states and 234 transitions. [2021-11-23 01:16:46,594 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 234 transitions. [2021-11-23 01:16:46,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:16:46,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:46,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:46,777 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:16:47,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:47,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 101 states and 237 transitions. [2021-11-23 01:16:47,532 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 237 transitions. [2021-11-23 01:16:47,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:16:47,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:47,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:47,719 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:16:49,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:49,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 102 states and 241 transitions. [2021-11-23 01:16:49,053 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 241 transitions. [2021-11-23 01:16:49,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:16:49,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:49,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:54,568 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:07,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:07,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 108 states and 263 transitions. [2021-11-23 01:17:07,224 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 263 transitions. [2021-11-23 01:17:07,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:17:07,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:07,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:07,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:07,817 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:09,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:09,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 110 states and 268 transitions. [2021-11-23 01:17:09,343 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 268 transitions. [2021-11-23 01:17:09,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:17:09,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:09,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:09,521 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 01:17:13,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:13,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 115 states and 286 transitions. [2021-11-23 01:17:13,249 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 286 transitions. [2021-11-23 01:17:13,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:17:13,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:13,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:13,451 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 01:17:16,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:16,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 118 states and 296 transitions. [2021-11-23 01:17:16,241 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 296 transitions. [2021-11-23 01:17:16,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:17:16,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:16,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:16,441 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 01:17:18,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:18,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 121 states and 302 transitions. [2021-11-23 01:17:18,643 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 302 transitions. [2021-11-23 01:17:18,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:17:18,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:18,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:18,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:18,844 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 01:17:21,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:21,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 123 states and 310 transitions. [2021-11-23 01:17:21,206 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 310 transitions. [2021-11-23 01:17:21,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:17:21,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:21,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:21,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:21,457 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 01:17:24,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:24,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 127 states and 315 transitions. [2021-11-23 01:17:24,842 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 315 transitions. [2021-11-23 01:17:24,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:17:24,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:24,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:30,160 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 1 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:42,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:42,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 134 states and 331 transitions. [2021-11-23 01:17:42,434 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 331 transitions. [2021-11-23 01:17:42,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:17:42,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:42,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:42,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:43,386 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 1 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:45,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:45,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 135 states and 337 transitions. [2021-11-23 01:17:45,083 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 337 transitions. [2021-11-23 01:17:45,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:17:45,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:45,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:45,252 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-23 01:17:47,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:47,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 137 states and 341 transitions. [2021-11-23 01:17:47,351 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 341 transitions. [2021-11-23 01:17:47,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:17:47,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:47,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:48,551 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 01:17:50,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:50,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 138 states and 342 transitions. [2021-11-23 01:17:50,800 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 342 transitions. [2021-11-23 01:17:50,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:17:50,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:50,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:51,919 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 01:17:55,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:55,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 140 states and 344 transitions. [2021-11-23 01:17:55,247 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 344 transitions. [2021-11-23 01:17:55,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:17:55,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:55,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:05,460 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:18:31,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:31,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 154 states and 374 transitions. [2021-11-23 01:18:31,441 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 374 transitions. [2021-11-23 01:18:31,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:18:31,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:31,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:31,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:31,665 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:18:37,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:37,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 159 states and 383 transitions. [2021-11-23 01:18:37,251 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 383 transitions. [2021-11-23 01:18:37,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:18:37,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:37,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:37,456 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:18:39,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:39,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 161 states and 386 transitions. [2021-11-23 01:18:39,578 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 386 transitions. [2021-11-23 01:18:39,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:18:39,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:39,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:40,533 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-23 01:18:47,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:47,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 162 states and 394 transitions. [2021-11-23 01:18:47,999 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 394 transitions. [2021-11-23 01:18:47,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:18:47,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:48,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:48,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:49,110 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-23 01:18:50,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:50,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 163 states and 397 transitions. [2021-11-23 01:18:50,376 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 397 transitions. [2021-11-23 01:18:50,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:18:50,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:50,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:51,414 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-23 01:18:52,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:52,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 164 states and 400 transitions. [2021-11-23 01:18:52,978 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 400 transitions. [2021-11-23 01:18:52,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:18:52,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:52,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:52,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:53,862 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:18:56,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:56,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 165 states and 407 transitions. [2021-11-23 01:18:56,034 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 407 transitions. [2021-11-23 01:18:56,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:18:56,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:56,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:56,956 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-23 01:18:59,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:59,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 166 states and 412 transitions. [2021-11-23 01:18:59,023 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 412 transitions. [2021-11-23 01:18:59,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:18:59,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:59,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:59,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:05,626 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:19:23,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:23,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 171 states and 431 transitions. [2021-11-23 01:19:23,085 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 431 transitions. [2021-11-23 01:19:23,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:19:23,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:23,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:23,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:23,993 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:19:29,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:29,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 176 states and 451 transitions. [2021-11-23 01:19:29,923 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 451 transitions. [2021-11-23 01:19:29,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:19:29,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:29,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:29,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:31,122 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:19:34,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:34,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 178 states and 462 transitions. [2021-11-23 01:19:34,054 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 462 transitions. [2021-11-23 01:19:34,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:19:34,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:34,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:34,978 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:19:37,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:37,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 180 states and 466 transitions. [2021-11-23 01:19:37,465 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 466 transitions. [2021-11-23 01:19:37,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:19:37,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:37,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:38,396 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:19:41,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:41,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 183 states and 472 transitions. [2021-11-23 01:19:41,631 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 472 transitions. [2021-11-23 01:19:41,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:19:41,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:41,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:42,540 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:19:44,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:44,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 184 states and 474 transitions. [2021-11-23 01:19:44,040 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 474 transitions. [2021-11-23 01:19:44,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:19:44,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:44,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:45,256 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:19:46,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:46,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 185 states and 476 transitions. [2021-11-23 01:19:46,475 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 476 transitions. [2021-11-23 01:19:46,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:19:46,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:46,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:47,487 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:19:48,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:48,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 186 states and 476 transitions. [2021-11-23 01:19:48,922 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 476 transitions. [2021-11-23 01:19:48,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:19:48,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:48,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:48,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:49,107 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:19:55,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:55,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 191 states and 482 transitions. [2021-11-23 01:19:55,696 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 482 transitions. [2021-11-23 01:19:55,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:19:55,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:55,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:55,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:10,707 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 4 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:43,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:43,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 193 states and 494 transitions. [2021-11-23 01:20:43,237 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 494 transitions. [2021-11-23 01:20:43,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:20:43,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:43,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:44,273 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 4 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:45,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:45,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 194 states and 500 transitions. [2021-11-23 01:20:45,988 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 500 transitions. [2021-11-23 01:20:45,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:20:45,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:45,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:47,223 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 4 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:49,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:49,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 195 states and 511 transitions. [2021-11-23 01:20:49,410 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 511 transitions. [2021-11-23 01:20:49,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:20:49,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:49,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:50,500 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:20:52,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:52,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 196 states and 515 transitions. [2021-11-23 01:20:52,611 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 515 transitions. [2021-11-23 01:20:52,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:20:52,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:52,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:53,791 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 4 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:56,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:56,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 197 states and 526 transitions. [2021-11-23 01:20:56,806 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 526 transitions. [2021-11-23 01:20:56,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:20:56,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:56,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:56,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:58,279 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 4 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:00,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:00,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 198 states and 530 transitions. [2021-11-23 01:21:00,519 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 530 transitions. [2021-11-23 01:21:00,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:21:00,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:00,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:01,755 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 4 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:03,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:03,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 199 states and 534 transitions. [2021-11-23 01:21:03,789 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 534 transitions. [2021-11-23 01:21:03,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:21:03,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:03,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:04,034 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:21:14,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:14,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 206 states and 546 transitions. [2021-11-23 01:21:14,008 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 546 transitions. [2021-11-23 01:21:14,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:21:14,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:14,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:14,457 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:21:15,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:15,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 207 states and 547 transitions. [2021-11-23 01:21:15,964 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 547 transitions. [2021-11-23 01:21:15,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:21:15,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:15,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:18,044 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:21:35,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:35,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 216 states and 564 transitions. [2021-11-23 01:21:35,575 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 564 transitions. [2021-11-23 01:21:35,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:21:35,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:35,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:35,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:50,835 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:22:30,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:30,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 227 states and 589 transitions. [2021-11-23 01:22:30,766 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 589 transitions. [2021-11-23 01:22:30,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:22:30,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:30,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:31,705 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-23 01:22:40,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:40,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 232 states and 598 transitions. [2021-11-23 01:22:40,246 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 598 transitions. [2021-11-23 01:22:40,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:22:40,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:40,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:41,258 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-23 01:22:44,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:44,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 234 states and 601 transitions. [2021-11-23 01:22:44,299 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 601 transitions. [2021-11-23 01:22:44,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:22:44,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:44,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:46,829 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:22:51,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:51,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 235 states and 601 transitions. [2021-11-23 01:22:51,211 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 601 transitions. [2021-11-23 01:22:51,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:22:51,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:51,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:51,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:12,628 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:23:54,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:54,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 239 states and 612 transitions. [2021-11-23 01:23:54,225 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 612 transitions. [2021-11-23 01:23:54,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:23:54,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:54,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:56,446 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 01:24:10,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:10,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 246 states and 645 transitions. [2021-11-23 01:24:10,221 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 645 transitions. [2021-11-23 01:24:10,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:24:10,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:10,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:10,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:12,459 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 01:24:19,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:19,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 249 states and 655 transitions. [2021-11-23 01:24:19,362 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 655 transitions. [2021-11-23 01:24:19,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:24:19,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:19,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:21,551 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 01:24:30,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:30,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 254 states and 668 transitions. [2021-11-23 01:24:30,465 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 668 transitions. [2021-11-23 01:24:30,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:24:30,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:30,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:30,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:32,491 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 01:24:36,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:36,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 256 states and 680 transitions. [2021-11-23 01:24:36,602 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 680 transitions. [2021-11-23 01:24:36,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:24:36,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:36,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:39,009 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 01:24:45,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:45,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 258 states and 689 transitions. [2021-11-23 01:24:45,803 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 689 transitions. [2021-11-23 01:24:45,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:24:45,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:45,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:45,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:48,581 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 01:24:50,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:50,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 259 states and 692 transitions. [2021-11-23 01:24:50,961 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 692 transitions. [2021-11-23 01:24:50,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:24:50,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:50,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:53,542 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 10 proven. 21 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-11-23 01:24:56,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:56,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 260 states and 698 transitions. [2021-11-23 01:24:56,343 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 698 transitions. [2021-11-23 01:24:56,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:24:56,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:56,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:58,752 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 01:25:01,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:01,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 261 states and 699 transitions. [2021-11-23 01:25:01,417 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 699 transitions. [2021-11-23 01:25:01,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:25:01,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:01,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:01,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:03,993 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 10 proven. 21 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-11-23 01:25:07,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:07,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 262 states and 701 transitions. [2021-11-23 01:25:07,413 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 701 transitions. [2021-11-23 01:25:07,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:25:07,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:07,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:07,670 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-23 01:25:22,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:22,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 268 states and 708 transitions. [2021-11-23 01:25:22,829 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 708 transitions. [2021-11-23 01:25:22,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:25:22,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:22,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:22,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:45,368 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:37,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:37,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 279 states and 731 transitions. [2021-11-23 01:26:37,874 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 731 transitions. [2021-11-23 01:26:37,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:26:37,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:37,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:37,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:39,938 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:43,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:43,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 280 states and 736 transitions. [2021-11-23 01:26:43,566 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 736 transitions. [2021-11-23 01:26:43,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:26:43,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:43,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:06,071 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.