./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-properties/splice-2.i --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_306ff7fc-3554-43b5-8237-f6403e570e6b/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306ff7fc-3554-43b5-8237-f6403e570e6b/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_306ff7fc-3554-43b5-8237-f6403e570e6b/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306ff7fc-3554-43b5-8237-f6403e570e6b/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/list-properties/splice-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306ff7fc-3554-43b5-8237-f6403e570e6b/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_306ff7fc-3554-43b5-8237-f6403e570e6b/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 098fc4cb5d15cb305e8d98bf2e1c69b111d102681b51dec68ae720515d6f30bc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:41:08,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:41:08,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:41:08,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:41:08,881 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:41:08,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:41:08,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:41:08,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:41:08,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:41:08,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:41:08,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:41:08,905 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:41:08,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:41:08,916 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:41:08,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:41:08,924 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:41:08,926 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:41:08,927 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:41:08,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:41:08,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:41:08,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:41:08,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:41:08,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:41:08,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:41:08,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:41:08,956 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:41:08,957 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:41:08,970 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:41:08,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:41:08,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:41:08,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:41:08,974 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:41:08,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:41:08,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:41:08,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:41:08,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:41:08,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:41:08,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:41:08,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:41:08,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:41:08,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:41:08,983 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306ff7fc-3554-43b5-8237-f6403e570e6b/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:41:09,032 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:41:09,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:41:09,034 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:41:09,035 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:41:09,035 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:41:09,036 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:41:09,036 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:41:09,036 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:41:09,037 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:41:09,037 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:41:09,038 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:41:09,039 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:41:09,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:41:09,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:41:09,039 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:41:09,040 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:41:09,040 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:41:09,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:41:09,040 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:41:09,041 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:41:09,041 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:41:09,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:41:09,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:41:09,042 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:41:09,042 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:41:09,042 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:41:09,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:41:09,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:41:09,043 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_306ff7fc-3554-43b5-8237-f6403e570e6b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306ff7fc-3554-43b5-8237-f6403e570e6b/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 098fc4cb5d15cb305e8d98bf2e1c69b111d102681b51dec68ae720515d6f30bc [2021-11-23 01:41:09,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:41:09,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:41:09,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:41:09,428 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:41:09,430 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:41:09,431 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306ff7fc-3554-43b5-8237-f6403e570e6b/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/list-properties/splice-2.i [2021-11-23 01:41:09,527 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306ff7fc-3554-43b5-8237-f6403e570e6b/bin/ukojak-LBtLqBUTdQ/data/aad21ff74/4b86e3b38f004ccb97c7444ef24b9aa5/FLAG33a71285f [2021-11-23 01:41:10,222 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:41:10,222 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306ff7fc-3554-43b5-8237-f6403e570e6b/sv-benchmarks/c/list-properties/splice-2.i [2021-11-23 01:41:10,237 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306ff7fc-3554-43b5-8237-f6403e570e6b/bin/ukojak-LBtLqBUTdQ/data/aad21ff74/4b86e3b38f004ccb97c7444ef24b9aa5/FLAG33a71285f [2021-11-23 01:41:10,481 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306ff7fc-3554-43b5-8237-f6403e570e6b/bin/ukojak-LBtLqBUTdQ/data/aad21ff74/4b86e3b38f004ccb97c7444ef24b9aa5 [2021-11-23 01:41:10,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:41:10,488 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:41:10,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:41:10,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:41:10,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:41:10,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:41:10" (1/1) ... [2021-11-23 01:41:10,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ff701ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:10, skipping insertion in model container [2021-11-23 01:41:10,512 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:41:10" (1/1) ... [2021-11-23 01:41:10,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:41:10,573 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:41:10,893 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_306ff7fc-3554-43b5-8237-f6403e570e6b/sv-benchmarks/c/list-properties/splice-2.i[23721,23734] [2021-11-23 01:41:10,897 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:41:10,906 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:41:10,952 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_306ff7fc-3554-43b5-8237-f6403e570e6b/sv-benchmarks/c/list-properties/splice-2.i[23721,23734] [2021-11-23 01:41:10,954 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:41:11,015 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:41:11,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:11 WrapperNode [2021-11-23 01:41:11,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:41:11,018 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:41:11,018 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:41:11,020 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:41:11,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:11" (1/1) ... [2021-11-23 01:41:11,066 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:11" (1/1) ... [2021-11-23 01:41:11,113 INFO L137 Inliner]: procedures = 124, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 104 [2021-11-23 01:41:11,113 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:41:11,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:41:11,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:41:11,114 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:41:11,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:11" (1/1) ... [2021-11-23 01:41:11,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:11" (1/1) ... [2021-11-23 01:41:11,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:11" (1/1) ... [2021-11-23 01:41:11,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:11" (1/1) ... [2021-11-23 01:41:11,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:11" (1/1) ... [2021-11-23 01:41:11,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:11" (1/1) ... [2021-11-23 01:41:11,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:11" (1/1) ... [2021-11-23 01:41:11,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:41:11,149 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:41:11,149 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:41:11,150 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:41:11,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:11" (1/1) ... [2021-11-23 01:41:11,163 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:41:11,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306ff7fc-3554-43b5-8237-f6403e570e6b/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:41:11,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306ff7fc-3554-43b5-8237-f6403e570e6b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:41:11,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306ff7fc-3554-43b5-8237-f6403e570e6b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:41:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2021-11-23 01:41:11,245 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2021-11-23 01:41:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:41:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:41:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:41:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:41:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:41:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:41:11,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:41:11,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:41:11,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:41:11,434 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:41:11,436 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:41:11,489 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2021-11-23 01:41:11,730 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:41:11,780 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:41:11,780 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 01:41:11,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:41:11 BoogieIcfgContainer [2021-11-23 01:41:11,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:41:11,784 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:41:11,784 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:41:11,796 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:41:11,797 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:41:11" (1/1) ... [2021-11-23 01:41:11,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:41:11,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:11,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2021-11-23 01:41:11,873 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2021-11-23 01:41:11,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:41:11,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:11,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:12,058 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 01:41:12,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:12,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2021-11-23 01:41:12,110 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2021-11-23 01:41:12,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:41:12,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:12,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:12,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:12,252 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 01:41:12,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:12,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2021-11-23 01:41:12,322 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2021-11-23 01:41:12,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:41:12,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:12,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:12,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:12,515 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 01:41:12,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:12,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2021-11-23 01:41:12,709 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2021-11-23 01:41:12,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:41:12,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:12,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:12,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:13,330 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 01:41:14,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:14,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 45 states and 64 transitions. [2021-11-23 01:41:14,634 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2021-11-23 01:41:14,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:41:14,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:14,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:14,884 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:41:17,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:17,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 58 states and 86 transitions. [2021-11-23 01:41:17,484 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 86 transitions. [2021-11-23 01:41:17,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:41:17,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:17,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:18,083 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:20,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:20,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 66 states and 106 transitions. [2021-11-23 01:41:20,325 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 106 transitions. [2021-11-23 01:41:20,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:41:20,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:20,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:21,244 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:24,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:24,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 74 states and 124 transitions. [2021-11-23 01:41:24,496 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 124 transitions. [2021-11-23 01:41:24,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:41:24,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:24,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:24,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:24,809 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:25,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:25,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 76 states and 131 transitions. [2021-11-23 01:41:25,722 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 131 transitions. [2021-11-23 01:41:25,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:41:25,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:25,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:25,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:26,056 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:41:28,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:28,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 83 states and 146 transitions. [2021-11-23 01:41:28,847 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 146 transitions. [2021-11-23 01:41:28,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:41:28,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:28,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:28,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:28,902 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:41:29,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:29,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 84 states and 149 transitions. [2021-11-23 01:41:29,290 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 149 transitions. [2021-11-23 01:41:29,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:41:29,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:29,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:29,952 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:41:32,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:32,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 90 states and 159 transitions. [2021-11-23 01:41:32,578 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 159 transitions. [2021-11-23 01:41:32,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:41:32,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:32,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:32,669 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:41:33,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:33,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 91 states and 161 transitions. [2021-11-23 01:41:33,116 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 161 transitions. [2021-11-23 01:41:33,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:41:33,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:33,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:33,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:34,207 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:36,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:36,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 95 states and 177 transitions. [2021-11-23 01:41:36,660 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 177 transitions. [2021-11-23 01:41:36,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:41:36,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:36,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:36,702 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:41:37,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:37,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 97 states and 180 transitions. [2021-11-23 01:41:37,248 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 180 transitions. [2021-11-23 01:41:37,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:41:37,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:37,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:37,704 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:38,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:38,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 99 states and 183 transitions. [2021-11-23 01:41:38,982 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 183 transitions. [2021-11-23 01:41:38,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:41:38,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:38,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:40,523 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:42,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:42,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 101 states and 187 transitions. [2021-11-23 01:41:42,305 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 187 transitions. [2021-11-23 01:41:42,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:41:42,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:42,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:42,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:42,775 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:44,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:44,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 103 states and 195 transitions. [2021-11-23 01:41:44,119 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 195 transitions. [2021-11-23 01:41:44,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:41:44,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:44,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:44,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:46,543 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:55,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:55,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 115 states and 225 transitions. [2021-11-23 01:41:55,846 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 225 transitions. [2021-11-23 01:41:55,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:41:55,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:55,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:56,850 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:00,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:00,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 121 states and 239 transitions. [2021-11-23 01:42:00,282 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 239 transitions. [2021-11-23 01:42:00,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:42:00,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:00,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:02,894 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:42:18,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:18,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 137 states and 276 transitions. [2021-11-23 01:42:18,178 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 276 transitions. [2021-11-23 01:42:18,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:42:18,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:18,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:18,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:18,387 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:42:19,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:19,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 138 states and 279 transitions. [2021-11-23 01:42:19,211 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 279 transitions. [2021-11-23 01:42:19,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:42:19,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:19,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:19,430 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:42:20,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:20,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 139 states and 281 transitions. [2021-11-23 01:42:20,085 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 281 transitions. [2021-11-23 01:42:20,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:42:20,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:20,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:22,935 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:42:35,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:35,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 149 states and 302 transitions. [2021-11-23 01:42:35,317 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 302 transitions. [2021-11-23 01:42:35,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:42:35,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:35,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:35,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:35,506 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:42:36,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:36,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 150 states and 305 transitions. [2021-11-23 01:42:36,584 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 305 transitions. [2021-11-23 01:42:36,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:42:36,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:36,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:36,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:41,779 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:01,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:01,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 166 states and 349 transitions. [2021-11-23 01:43:01,422 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 349 transitions. [2021-11-23 01:43:01,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:43:01,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:01,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:01,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:02,784 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:08,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:08,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 172 states and 365 transitions. [2021-11-23 01:43:08,446 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 365 transitions. [2021-11-23 01:43:08,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:43:08,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:08,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:08,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:13,706 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:33,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:33,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 187 states and 410 transitions. [2021-11-23 01:43:33,856 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 410 transitions. [2021-11-23 01:43:33,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:43:33,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:33,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:33,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:41,367 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:58,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:58,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 194 states and 438 transitions. [2021-11-23 01:43:58,036 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 438 transitions. [2021-11-23 01:43:58,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:43:58,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:58,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:03,173 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:16,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:16,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 202 states and 455 transitions. [2021-11-23 01:44:16,960 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 455 transitions. [2021-11-23 01:44:16,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:44:16,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:16,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:16,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:17,405 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:26,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:26,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 208 states and 476 transitions. [2021-11-23 01:44:26,130 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 476 transitions. [2021-11-23 01:44:26,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:44:26,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:26,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:26,573 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:27,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:27,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 209 states and 477 transitions. [2021-11-23 01:44:27,846 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 477 transitions. [2021-11-23 01:44:27,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:44:27,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:27,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:30,058 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:33,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:33,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 211 states and 484 transitions. [2021-11-23 01:44:33,027 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 484 transitions. [2021-11-23 01:44:33,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:44:33,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:33,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:33,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:38,360 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 01:44:53,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:53,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 218 states and 504 transitions. [2021-11-23 01:44:53,563 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 504 transitions. [2021-11-23 01:44:53,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:44:53,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:53,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:58,751 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:24,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:24,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 230 states and 524 transitions. [2021-11-23 01:45:24,302 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 524 transitions. [2021-11-23 01:45:24,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:45:24,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:24,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:24,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:32,334 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:56,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:56,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 239 states and 552 transitions. [2021-11-23 01:45:56,773 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 552 transitions. [2021-11-23 01:45:56,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:45:56,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:56,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:56,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:07,225 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:49,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:49,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 256 states and 617 transitions. [2021-11-23 01:46:49,366 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 617 transitions. [2021-11-23 01:46:49,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:46:49,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:49,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:56,056 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 16 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:19,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:19,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 266 states and 641 transitions. [2021-11-23 01:47:19,318 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 641 transitions. [2021-11-23 01:47:19,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:47:19,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:19,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:20,669 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:30,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:30,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 272 states and 671 transitions. [2021-11-23 01:47:30,272 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 671 transitions. [2021-11-23 01:47:30,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:47:30,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:30,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:38,126 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:07,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:07,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 286 states and 720 transitions. [2021-11-23 01:48:07,979 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 720 transitions. [2021-11-23 01:48:07,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:48:07,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:07,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:16,792 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:48:29,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:29,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 288 states and 721 transitions. [2021-11-23 01:48:29,526 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 721 transitions. [2021-11-23 01:48:29,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:48:29,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:29,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:29,798 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:48:33,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:33,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 290 states and 725 transitions. [2021-11-23 01:48:33,762 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 725 transitions. [2021-11-23 01:48:33,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:48:33,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:33,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:33,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:39,290 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:03,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:03,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 302 states and 769 transitions. [2021-11-23 01:49:03,489 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 769 transitions. [2021-11-23 01:49:03,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:49:03,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:03,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:12,772 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:28,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:28,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 306 states and 784 transitions. [2021-11-23 01:49:28,610 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 784 transitions. [2021-11-23 01:49:28,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:49:28,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:28,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:28,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:39,381 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:18,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:18,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 322 states and 859 transitions. [2021-11-23 01:50:18,985 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 859 transitions. [2021-11-23 01:50:18,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:50:18,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:18,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:19,721 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:23,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:23,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 324 states and 865 transitions. [2021-11-23 01:50:23,438 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 865 transitions. [2021-11-23 01:50:23,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:50:23,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:23,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:31,906 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:51:04,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:04,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 334 states and 893 transitions. [2021-11-23 01:51:04,381 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 893 transitions. [2021-11-23 01:51:04,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:51:04,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:04,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:05,023 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:51:07,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:07,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 335 states and 897 transitions. [2021-11-23 01:51:07,050 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 897 transitions. [2021-11-23 01:51:07,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:51:07,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:07,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:16,163 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:57,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:57,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 347 states and 929 transitions. [2021-11-23 01:51:57,974 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 929 transitions. [2021-11-23 01:51:57,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:51:57,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:57,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:58,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:14,099 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 10 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:52:44,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:44,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 353 states and 951 transitions. [2021-11-23 01:52:44,326 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 951 transitions. [2021-11-23 01:52:44,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:52:44,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:44,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:47,284 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 10 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.