./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark03_linear.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1227b1-e6d7-4a93-9372-61113f075f10/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1227b1-e6d7-4a93-9372-61113f075f10/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1227b1-e6d7-4a93-9372-61113f075f10/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1227b1-e6d7-4a93-9372-61113f075f10/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark03_linear.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1227b1-e6d7-4a93-9372-61113f075f10/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1227b1-e6d7-4a93-9372-61113f075f10/bin/ukojak-d1pc8ZmBRL --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 36118893e72f01ac34f08ae30ac9eb83d0074096398f7228653cb15beb7a3f4b --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 06:32:51,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 06:32:51,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 06:32:51,869 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 06:32:51,869 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 06:32:51,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 06:32:51,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 06:32:51,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 06:32:51,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 06:32:51,879 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 06:32:51,881 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 06:32:51,882 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 06:32:51,882 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 06:32:51,884 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 06:32:51,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 06:32:51,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 06:32:51,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 06:32:51,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 06:32:51,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 06:32:51,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 06:32:51,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 06:32:51,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 06:32:51,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 06:32:51,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 06:32:51,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 06:32:51,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 06:32:51,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 06:32:51,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 06:32:51,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 06:32:51,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 06:32:51,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 06:32:51,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 06:32:51,938 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 06:32:51,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 06:32:51,941 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 06:32:51,941 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 06:32:51,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 06:32:51,942 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 06:32:51,942 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 06:32:51,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 06:32:51,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 06:32:51,945 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1227b1-e6d7-4a93-9372-61113f075f10/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-25 06:32:51,978 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 06:32:51,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 06:32:51,979 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 06:32:51,980 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 06:32:51,980 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 06:32:51,981 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 06:32:51,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 06:32:51,981 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 06:32:51,981 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 06:32:51,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 06:32:51,982 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 06:32:51,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 06:32:51,982 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 06:32:51,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 06:32:51,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 06:32:51,983 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 06:32:51,983 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 06:32:51,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 06:32:51,983 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 06:32:51,983 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 06:32:51,984 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 06:32:51,984 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 06:32:51,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 06:32:51,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:32:51,989 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 06:32:51,989 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 06:32:51,990 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 06:32:51,990 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 06:32:51,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 06:32:51,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 06:32:51,992 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_0c1227b1-e6d7-4a93-9372-61113f075f10/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1227b1-e6d7-4a93-9372-61113f075f10/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36118893e72f01ac34f08ae30ac9eb83d0074096398f7228653cb15beb7a3f4b [2021-11-25 06:32:52,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 06:32:52,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 06:32:52,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 06:32:52,261 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 06:32:52,262 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 06:32:52,263 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1227b1-e6d7-4a93-9372-61113f075f10/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/loop-zilu/benchmark03_linear.i [2021-11-25 06:32:52,325 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1227b1-e6d7-4a93-9372-61113f075f10/bin/ukojak-d1pc8ZmBRL/data/da88fb2b8/f5919966632a4f71bdd1f7f421068498/FLAG9f9ac7e6d [2021-11-25 06:32:52,850 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 06:32:52,851 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1227b1-e6d7-4a93-9372-61113f075f10/sv-benchmarks/c/loop-zilu/benchmark03_linear.i [2021-11-25 06:32:52,857 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1227b1-e6d7-4a93-9372-61113f075f10/bin/ukojak-d1pc8ZmBRL/data/da88fb2b8/f5919966632a4f71bdd1f7f421068498/FLAG9f9ac7e6d [2021-11-25 06:32:53,223 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1227b1-e6d7-4a93-9372-61113f075f10/bin/ukojak-d1pc8ZmBRL/data/da88fb2b8/f5919966632a4f71bdd1f7f421068498 [2021-11-25 06:32:53,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 06:32:53,227 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 06:32:53,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 06:32:53,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 06:32:53,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 06:32:53,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:32:53" (1/1) ... [2021-11-25 06:32:53,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1de60581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:53, skipping insertion in model container [2021-11-25 06:32:53,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:32:53" (1/1) ... [2021-11-25 06:32:53,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 06:32:53,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 06:32:53,422 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_0c1227b1-e6d7-4a93-9372-61113f075f10/sv-benchmarks/c/loop-zilu/benchmark03_linear.i[868,881] [2021-11-25 06:32:53,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:32:53,448 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 06:32:53,470 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_0c1227b1-e6d7-4a93-9372-61113f075f10/sv-benchmarks/c/loop-zilu/benchmark03_linear.i[868,881] [2021-11-25 06:32:53,487 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:32:53,502 INFO L208 MainTranslator]: Completed translation [2021-11-25 06:32:53,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:53 WrapperNode [2021-11-25 06:32:53,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 06:32:53,507 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 06:32:53,508 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 06:32:53,508 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 06:32:53,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:53" (1/1) ... [2021-11-25 06:32:53,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:53" (1/1) ... [2021-11-25 06:32:53,551 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2021-11-25 06:32:53,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 06:32:53,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 06:32:53,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 06:32:53,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 06:32:53,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:53" (1/1) ... [2021-11-25 06:32:53,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:53" (1/1) ... [2021-11-25 06:32:53,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:53" (1/1) ... [2021-11-25 06:32:53,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:53" (1/1) ... [2021-11-25 06:32:53,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:53" (1/1) ... [2021-11-25 06:32:53,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:53" (1/1) ... [2021-11-25 06:32:53,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:53" (1/1) ... [2021-11-25 06:32:53,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 06:32:53,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 06:32:53,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 06:32:53,600 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 06:32:53,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:53" (1/1) ... [2021-11-25 06:32:53,608 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:32:53,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1227b1-e6d7-4a93-9372-61113f075f10/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 06:32:53,634 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1227b1-e6d7-4a93-9372-61113f075f10/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 06:32:53,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1227b1-e6d7-4a93-9372-61113f075f10/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 06:32:53,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 06:32:53,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 06:32:53,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 06:32:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 06:32:53,742 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 06:32:53,744 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 06:32:53,891 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 06:32:53,923 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 06:32:53,924 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 06:32:53,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:32:53 BoogieIcfgContainer [2021-11-25 06:32:53,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 06:32:53,927 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 06:32:53,927 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 06:32:53,937 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 06:32:53,937 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:32:53" (1/1) ... [2021-11-25 06:32:53,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 06:32:54,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:54,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 26 states and 28 transitions. [2021-11-25 06:32:54,038 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2021-11-25 06:32:54,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 06:32:54,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:54,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:54,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:32:54,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:54,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2021-11-25 06:32:54,237 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2021-11-25 06:32:54,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-25 06:32:54,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:54,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:54,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:32:54,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:54,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2021-11-25 06:32:54,285 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2021-11-25 06:32:54,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-25 06:32:54,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:54,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:54,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:54,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:32:54,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:54,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2021-11-25 06:32:54,541 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2021-11-25 06:32:54,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 06:32:54,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:54,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:54,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:32:54,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:54,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2021-11-25 06:32:54,591 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2021-11-25 06:32:54,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 06:32:54,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:54,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:54,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:54,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:32:55,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:55,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 40 states and 54 transitions. [2021-11-25 06:32:55,115 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2021-11-25 06:32:55,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 06:32:55,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:55,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:55,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:55,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:32:55,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:55,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 47 states and 66 transitions. [2021-11-25 06:32:55,777 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 66 transitions. [2021-11-25 06:32:55,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 06:32:55,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:55,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:55,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:55,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:32:56,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:56,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 55 states and 81 transitions. [2021-11-25 06:32:56,766 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 81 transitions. [2021-11-25 06:32:56,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 06:32:56,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:56,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:56,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:32:57,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:57,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 64 states and 96 transitions. [2021-11-25 06:32:57,960 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 96 transitions. [2021-11-25 06:32:57,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 06:32:57,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:57,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:57,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:58,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:32:58,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:58,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 67 states and 104 transitions. [2021-11-25 06:32:58,114 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 104 transitions. [2021-11-25 06:32:58,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 06:32:58,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:58,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:58,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:58,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:32:58,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:58,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 70 states and 115 transitions. [2021-11-25 06:32:58,386 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 115 transitions. [2021-11-25 06:32:58,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 06:32:58,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:58,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:58,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:58,488 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:32:59,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:59,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 79 states and 134 transitions. [2021-11-25 06:32:59,578 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 134 transitions. [2021-11-25 06:32:59,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 06:32:59,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:59,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:59,732 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:33:01,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:01,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 89 states and 157 transitions. [2021-11-25 06:33:01,225 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 157 transitions. [2021-11-25 06:33:01,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 06:33:01,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:01,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:01,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:01,253 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:33:01,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:01,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 91 states and 159 transitions. [2021-11-25 06:33:01,410 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 159 transitions. [2021-11-25 06:33:01,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 06:33:01,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:01,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:01,537 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:33:03,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:03,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 100 states and 180 transitions. [2021-11-25 06:33:03,046 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 180 transitions. [2021-11-25 06:33:03,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 06:33:03,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:03,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:03,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:03,075 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:33:03,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:03,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 102 states and 182 transitions. [2021-11-25 06:33:03,278 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 182 transitions. [2021-11-25 06:33:03,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 06:33:03,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:03,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:03,421 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:33:05,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:05,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 112 states and 208 transitions. [2021-11-25 06:33:05,297 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 208 transitions. [2021-11-25 06:33:05,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:33:05,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:05,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:05,324 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:33:05,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:05,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 114 states and 210 transitions. [2021-11-25 06:33:05,554 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 210 transitions. [2021-11-25 06:33:05,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:33:05,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:05,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:05,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:05,854 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:33:08,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:08,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 124 states and 238 transitions. [2021-11-25 06:33:08,187 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 238 transitions. [2021-11-25 06:33:08,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 06:33:08,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:08,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:08,211 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:33:08,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:08,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 126 states and 240 transitions. [2021-11-25 06:33:08,449 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 240 transitions. [2021-11-25 06:33:08,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 06:33:08,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:08,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:08,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:08,703 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:33:10,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:10,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 134 states and 258 transitions. [2021-11-25 06:33:10,815 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 258 transitions. [2021-11-25 06:33:10,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 06:33:10,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:10,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:10,881 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:33:11,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:11,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 136 states and 260 transitions. [2021-11-25 06:33:11,146 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 260 transitions. [2021-11-25 06:33:11,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 06:33:11,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:11,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:11,546 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:33:14,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:14,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 144 states and 279 transitions. [2021-11-25 06:33:14,041 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 279 transitions. [2021-11-25 06:33:14,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 06:33:14,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:14,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:14,163 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:33:14,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:14,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 146 states and 281 transitions. [2021-11-25 06:33:14,452 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 281 transitions. [2021-11-25 06:33:14,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 06:33:14,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:14,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:14,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:14,768 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:33:16,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:16,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 152 states and 295 transitions. [2021-11-25 06:33:16,704 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 295 transitions. [2021-11-25 06:33:16,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 06:33:16,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:16,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:16,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:16,907 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:33:19,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:19,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 161 states and 316 transitions. [2021-11-25 06:33:19,822 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 316 transitions. [2021-11-25 06:33:19,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 06:33:19,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:19,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:19,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:20,020 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:33:24,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:24,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 171 states and 340 transitions. [2021-11-25 06:33:24,080 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 340 transitions. [2021-11-25 06:33:24,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 06:33:24,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:24,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:24,362 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:33:27,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:27,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 181 states and 373 transitions. [2021-11-25 06:33:27,987 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 373 transitions. [2021-11-25 06:33:27,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:33:27,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:27,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:28,160 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:33:29,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:29,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 184 states and 382 transitions. [2021-11-25 06:33:29,317 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 382 transitions. [2021-11-25 06:33:29,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:33:29,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:29,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:29,432 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:33:32,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:32,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 191 states and 398 transitions. [2021-11-25 06:33:32,536 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 398 transitions. [2021-11-25 06:33:32,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 06:33:32,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:32,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:32,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:32,583 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:33:36,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:36,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 199 states and 417 transitions. [2021-11-25 06:33:36,502 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 417 transitions. [2021-11-25 06:33:36,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 06:33:36,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:36,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:36,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:36,788 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:33:40,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:40,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 209 states and 452 transitions. [2021-11-25 06:33:40,932 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 452 transitions. [2021-11-25 06:33:40,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 06:33:40,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:40,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:41,078 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:33:44,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:44,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 216 states and 469 transitions. [2021-11-25 06:33:44,264 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 469 transitions. [2021-11-25 06:33:44,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 06:33:44,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:44,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:44,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:44,296 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:33:48,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:48,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 226 states and 489 transitions. [2021-11-25 06:33:48,978 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 489 transitions. [2021-11-25 06:33:48,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 06:33:48,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:48,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:50,146 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:33:55,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:55,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 236 states and 529 transitions. [2021-11-25 06:33:55,858 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 529 transitions. [2021-11-25 06:33:55,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 06:33:55,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:55,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:55,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:55,982 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:00,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:00,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 244 states and 546 transitions. [2021-11-25 06:34:00,746 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 546 transitions. [2021-11-25 06:34:00,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 06:34:00,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:00,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:00,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:01,853 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:07,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:07,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 253 states and 567 transitions. [2021-11-25 06:34:07,775 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 567 transitions. [2021-11-25 06:34:07,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 06:34:07,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:07,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:07,802 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:11,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:11,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 261 states and 582 transitions. [2021-11-25 06:34:11,901 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 582 transitions. [2021-11-25 06:34:11,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 06:34:11,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:11,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:11,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:13,211 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:19,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:19,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 271 states and 614 transitions. [2021-11-25 06:34:19,815 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 614 transitions. [2021-11-25 06:34:19,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 06:34:19,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:19,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:19,985 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:24,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:24,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 278 states and 627 transitions. [2021-11-25 06:34:24,339 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 627 transitions. [2021-11-25 06:34:24,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 06:34:24,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:24,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:24,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:25,653 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:32,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:32,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 288 states and 647 transitions. [2021-11-25 06:34:32,007 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 647 transitions. [2021-11-25 06:34:32,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 06:34:32,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:32,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:32,042 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:36,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:36,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 294 states and 655 transitions. [2021-11-25 06:34:36,050 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 655 transitions. [2021-11-25 06:34:36,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 06:34:36,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:36,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:36,301 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:40,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:40,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 301 states and 664 transitions. [2021-11-25 06:34:40,901 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 664 transitions. [2021-11-25 06:34:40,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 06:34:40,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:40,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:40,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:40,921 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-25 06:34:46,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:46,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 309 states and 687 transitions. [2021-11-25 06:34:46,336 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 687 transitions. [2021-11-25 06:34:46,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-25 06:34:46,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:46,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:47,680 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:54,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:54,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 318 states and 718 transitions. [2021-11-25 06:34:54,511 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 718 transitions. [2021-11-25 06:34:54,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-25 06:34:54,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:54,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:54,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:54,961 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:35:02,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:35:02,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 328 states and 763 transitions. [2021-11-25 06:35:02,409 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 763 transitions. [2021-11-25 06:35:02,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-25 06:35:02,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:35:02,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:35:02,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:35:03,956 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:35:06,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:35:06,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 332 states and 767 transitions. [2021-11-25 06:35:06,751 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 767 transitions. [2021-11-25 06:35:06,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-25 06:35:06,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:35:06,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:35:06,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:35:07,115 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 30 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:35:11,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:35:11,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 338 states and 782 transitions. [2021-11-25 06:35:11,634 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 782 transitions. [2021-11-25 06:35:11,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-25 06:35:11,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:35:11,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:35:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:35:12,112 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:35:19,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:35:19,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 348 states and 829 transitions. [2021-11-25 06:35:19,603 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 829 transitions. [2021-11-25 06:35:19,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-25 06:35:19,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:35:19,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:35:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:35:20,080 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:35:22,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:35:22,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 351 states and 843 transitions. [2021-11-25 06:35:22,309 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 843 transitions. [2021-11-25 06:35:22,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-25 06:35:22,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:35:22,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:35:22,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:35:22,723 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:35:28,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:35:28,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 359 states and 864 transitions. [2021-11-25 06:35:28,860 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 864 transitions. [2021-11-25 06:35:28,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-25 06:35:28,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:35:28,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:35:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:35:28,881 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-25 06:35:36,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:35:36,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 367 states and 888 transitions. [2021-11-25 06:35:36,670 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 888 transitions. [2021-11-25 06:35:36,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-25 06:35:36,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:35:36,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:35:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:35:39,518 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:35:50,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:35:50,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 377 states and 943 transitions. [2021-11-25 06:35:50,007 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 943 transitions. [2021-11-25 06:35:50,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-25 06:35:50,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:35:50,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:35:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:35:52,975 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:36:04,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:36:04,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 387 states and 968 transitions. [2021-11-25 06:36:04,073 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 968 transitions. [2021-11-25 06:36:04,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 06:36:04,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:36:04,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:36:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:36:04,099 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:36:13,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:36:13,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 397 states and 992 transitions. [2021-11-25 06:36:13,421 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 992 transitions. [2021-11-25 06:36:13,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 06:36:13,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:36:13,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:36:13,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:36:16,873 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:36:28,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:36:28,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 407 states and 1032 transitions. [2021-11-25 06:36:28,962 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 1032 transitions. [2021-11-25 06:36:28,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-25 06:36:28,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:36:28,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:36:28,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:36:29,331 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:36:38,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:36:38,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 416 states and 1052 transitions. [2021-11-25 06:36:38,223 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 1052 transitions. [2021-11-25 06:36:38,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-25 06:36:38,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:36:38,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:36:38,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:36:41,401 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:36:52,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:36:52,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 426 states and 1074 transitions. [2021-11-25 06:36:52,438 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 1074 transitions. [2021-11-25 06:36:52,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-25 06:36:52,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:36:52,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:36:52,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:36:52,473 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:37:00,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:37:00,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 434 states and 1090 transitions. [2021-11-25 06:37:00,589 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 1090 transitions. [2021-11-25 06:37:00,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 06:37:00,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:37:00,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:37:00,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:37:01,138 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:37:09,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:37:09,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 442 states and 1106 transitions. [2021-11-25 06:37:09,599 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 1106 transitions. [2021-11-25 06:37:09,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 06:37:09,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:37:09,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:37:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:37:09,619 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-25 06:37:17,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:37:17,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 450 states and 1132 transitions. [2021-11-25 06:37:17,800 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 1132 transitions. [2021-11-25 06:37:17,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 06:37:17,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:37:17,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:37:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:37:17,844 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:37:24,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:37:24,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 456 states and 1141 transitions. [2021-11-25 06:37:24,389 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 1141 transitions. [2021-11-25 06:37:24,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 06:37:24,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:37:24,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:37:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:37:25,094 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:37:35,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:37:35,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 466 states and 1196 transitions. [2021-11-25 06:37:35,729 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 1196 transitions. [2021-11-25 06:37:35,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 06:37:35,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:37:35,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:37:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:37:36,222 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:37:44,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:37:44,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 474 states and 1207 transitions. [2021-11-25 06:37:44,386 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 1207 transitions. [2021-11-25 06:37:44,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 06:37:44,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:37:44,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:37:44,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:37:45,277 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 60 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:37:52,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:37:52,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 480 states and 1224 transitions. [2021-11-25 06:37:52,014 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 1224 transitions. [2021-11-25 06:37:52,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-25 06:37:52,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:37:52,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:37:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:37:56,258 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:38:09,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:38:09,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 489 states and 1265 transitions. [2021-11-25 06:38:09,322 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 1265 transitions. [2021-11-25 06:38:09,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-25 06:38:09,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:38:09,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:38:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:38:10,315 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:38:21,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:38:21,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 499 states and 1326 transitions. [2021-11-25 06:38:21,576 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 1326 transitions. [2021-11-25 06:38:21,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-25 06:38:21,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:38:21,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:38:21,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:38:25,725 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:38:36,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:38:36,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 511 states and 1339 transitions. [2021-11-25 06:38:36,509 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 1339 transitions. [2021-11-25 06:38:36,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-25 06:38:36,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:38:36,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:38:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:38:37,504 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 60 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:38:47,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:38:47,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 519 states and 1363 transitions. [2021-11-25 06:38:47,199 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 1363 transitions. [2021-11-25 06:38:47,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-25 06:38:47,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:38:47,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:38:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:38:53,040 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:39:10,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:39:10,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 529 states and 1433 transitions. [2021-11-25 06:39:10,369 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 1433 transitions. [2021-11-25 06:39:10,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-25 06:39:10,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:39:10,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:39:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:39:11,208 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:39:14,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:39:14,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 532 states and 1452 transitions. [2021-11-25 06:39:14,776 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 1452 transitions. [2021-11-25 06:39:14,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-25 06:39:14,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:39:14,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:39:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:39:20,861 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:39:38,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:39:38,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1480 states to 542 states and 1480 transitions. [2021-11-25 06:39:38,526 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 1480 transitions. [2021-11-25 06:39:38,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-25 06:39:38,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:39:38,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:39:38,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:39:38,546 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-25 06:39:49,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:39:49,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 550 states and 1508 transitions. [2021-11-25 06:39:49,888 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 1508 transitions. [2021-11-25 06:39:49,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-25 06:39:49,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:39:49,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:39:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:39:56,321 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:40:15,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:15,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 560 states and 1556 transitions. [2021-11-25 06:40:15,078 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 1556 transitions. [2021-11-25 06:40:15,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-25 06:40:15,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:15,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:20,973 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:40:37,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:37,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 570 states and 1580 transitions. [2021-11-25 06:40:37,695 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 1580 transitions. [2021-11-25 06:40:37,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 06:40:37,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:37,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:37,724 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:40:52,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:52,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 580 states and 1607 transitions. [2021-11-25 06:40:52,147 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 1607 transitions. [2021-11-25 06:40:52,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-25 06:40:52,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:52,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:53,009 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 72 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:41:05,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:05,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1629 states to 589 states and 1629 transitions. [2021-11-25 06:41:05,736 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 1629 transitions. [2021-11-25 06:41:05,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-25 06:41:05,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:05,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:05,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:05,814 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-25 06:41:17,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:17,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 597 states and 1658 transitions. [2021-11-25 06:41:17,036 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 1658 transitions. [2021-11-25 06:41:17,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-25 06:41:17,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:17,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:17,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:17,076 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:41:28,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:28,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1676 states to 605 states and 1676 transitions. [2021-11-25 06:41:28,449 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 1676 transitions. [2021-11-25 06:41:28,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-25 06:41:28,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:28,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:28,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:29,445 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:41:44,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:44,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 615 states and 1743 transitions. [2021-11-25 06:41:44,442 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 1743 transitions. [2021-11-25 06:41:44,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-25 06:41:44,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:44,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:45,603 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 72 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:41:57,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:57,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 623 states and 1761 transitions. [2021-11-25 06:41:57,514 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 1761 transitions. [2021-11-25 06:41:57,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-25 06:41:57,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:57,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:59,317 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 100 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:42:08,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:08,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 629 states and 1780 transitions. [2021-11-25 06:42:08,462 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 1780 transitions. [2021-11-25 06:42:08,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-25 06:42:08,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:08,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:08,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:08,506 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:42:17,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:17,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1790 states to 635 states and 1790 transitions. [2021-11-25 06:42:17,300 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 1790 transitions. [2021-11-25 06:42:17,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-25 06:42:17,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:17,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:18,333 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:42:33,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:33,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1863 states to 645 states and 1863 transitions. [2021-11-25 06:42:33,977 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 1863 transitions. [2021-11-25 06:42:33,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-25 06:42:33,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:33,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:34,802 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:42:46,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:46,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 653 states and 1875 transitions. [2021-11-25 06:42:46,409 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 1875 transitions. [2021-11-25 06:42:46,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-25 06:42:46,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:46,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:48,211 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 100 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:43:00,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:00,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1901 states to 661 states and 1901 transitions. [2021-11-25 06:43:00,709 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 1901 transitions. [2021-11-25 06:43:00,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-25 06:43:00,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:00,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:08,944 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:43:30,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:30,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1953 states to 670 states and 1953 transitions. [2021-11-25 06:43:30,394 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 1953 transitions. [2021-11-25 06:43:30,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-25 06:43:30,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:30,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:40,290 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.