./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product19_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a226c601-fb6b-4045-b0fd-859869020c2c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a226c601-fb6b-4045-b0fd-859869020c2c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a226c601-fb6b-4045-b0fd-859869020c2c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a226c601-fb6b-4045-b0fd-859869020c2c/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product19_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a226c601-fb6b-4045-b0fd-859869020c2c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a226c601-fb6b-4045-b0fd-859869020c2c/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash db72a434ba2554f10f7540a58e5ab1c726dc8fbe ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 01:22:26,952 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:22:26,954 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:22:26,963 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:22:26,963 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:22:26,964 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:22:26,965 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:22:26,966 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:22:26,968 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:22:26,968 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:22:26,969 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:22:26,969 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:22:26,970 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:22:26,970 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:22:26,971 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:22:26,972 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:22:26,972 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:22:26,974 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:22:26,975 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:22:26,976 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:22:26,977 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:22:26,978 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:22:26,980 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:22:26,980 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:22:26,980 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:22:26,981 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:22:26,982 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:22:26,982 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:22:26,983 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:22:26,984 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:22:26,984 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:22:26,984 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:22:26,984 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:22:26,985 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:22:26,985 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:22:26,986 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:22:26,986 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a226c601-fb6b-4045-b0fd-859869020c2c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 01:22:26,996 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:22:26,997 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:22:26,997 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:22:26,997 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 01:22:26,998 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 01:22:26,998 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 01:22:26,998 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:22:26,998 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 01:22:26,998 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 01:22:26,999 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 01:22:26,999 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:22:26,999 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:22:26,999 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:22:26,999 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:22:26,999 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 01:22:26,999 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:22:27,000 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:22:27,000 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:22:27,000 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 01:22:27,000 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 01:22:27,000 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:22:27,000 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:22:27,000 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 01:22:27,001 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:22:27,001 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:22:27,001 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:22:27,001 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 01:22:27,001 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:22:27,001 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 01:22:27,001 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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-vcloud-master/worker/working_dir_a226c601-fb6b-4045-b0fd-859869020c2c/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db72a434ba2554f10f7540a58e5ab1c726dc8fbe [2018-11-23 01:22:27,029 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:22:27,039 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:22:27,041 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:22:27,043 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:22:27,043 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:22:27,044 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a226c601-fb6b-4045-b0fd-859869020c2c/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product19_true-unreach-call_false-termination.cil.c [2018-11-23 01:22:27,096 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a226c601-fb6b-4045-b0fd-859869020c2c/bin-2019/ukojak/data/af2312f20/1cf36c107e0448e8a6d8e27367c3216f/FLAG398498ab6 [2018-11-23 01:22:27,430 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:22:27,430 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a226c601-fb6b-4045-b0fd-859869020c2c/sv-benchmarks/c/product-lines/minepump_spec1_product19_true-unreach-call_false-termination.cil.c [2018-11-23 01:22:27,439 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a226c601-fb6b-4045-b0fd-859869020c2c/bin-2019/ukojak/data/af2312f20/1cf36c107e0448e8a6d8e27367c3216f/FLAG398498ab6 [2018-11-23 01:22:27,448 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a226c601-fb6b-4045-b0fd-859869020c2c/bin-2019/ukojak/data/af2312f20/1cf36c107e0448e8a6d8e27367c3216f [2018-11-23 01:22:27,450 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:22:27,450 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:22:27,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:22:27,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:22:27,453 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:22:27,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:22:27" (1/1) ... [2018-11-23 01:22:27,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60a0aff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:27, skipping insertion in model container [2018-11-23 01:22:27,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:22:27" (1/1) ... [2018-11-23 01:22:27,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:22:27,492 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:22:27,694 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:22:27,763 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:22:27,822 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:22:27,840 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:22:27,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:27 WrapperNode [2018-11-23 01:22:27,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:22:27,841 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:22:27,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:22:27,841 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:22:27,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:27" (1/1) ... [2018-11-23 01:22:27,860 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:27" (1/1) ... [2018-11-23 01:22:27,884 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:22:27,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:22:27,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:22:27,885 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:22:27,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:27" (1/1) ... [2018-11-23 01:22:27,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:27" (1/1) ... [2018-11-23 01:22:27,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:27" (1/1) ... [2018-11-23 01:22:27,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:27" (1/1) ... [2018-11-23 01:22:27,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:27" (1/1) ... [2018-11-23 01:22:27,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:27" (1/1) ... [2018-11-23 01:22:27,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:27" (1/1) ... [2018-11-23 01:22:27,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:22:27,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:22:27,906 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:22:27,906 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:22:27,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a226c601-fb6b-4045-b0fd-859869020c2c/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 01:22:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 01:22:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 01:22:27,950 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 01:22:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 01:22:27,950 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 01:22:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 01:22:27,950 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 01:22:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 01:22:27,951 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 01:22:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 01:22:27,951 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 01:22:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 01:22:27,951 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 01:22:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 01:22:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 01:22:27,952 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 01:22:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:22:27,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:22:28,495 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:22:28,495 INFO L280 CfgBuilder]: Removed 34 assue(true) statements. [2018-11-23 01:22:28,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:22:28 BoogieIcfgContainer [2018-11-23 01:22:28,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:22:28,496 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 01:22:28,496 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 01:22:28,503 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 01:22:28,504 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:22:28" (1/1) ... [2018-11-23 01:22:28,512 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:22:28,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:28,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2018-11-23 01:22:28,540 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2018-11-23 01:22:28,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 01:22:28,545 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:28,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:28,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:22:28,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:28,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2018-11-23 01:22:28,689 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2018-11-23 01:22:28,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 01:22:28,690 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:28,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:22:28,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:28,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2018-11-23 01:22:28,792 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2018-11-23 01:22:28,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 01:22:28,793 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:28,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:22:28,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:28,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 66 states and 94 transitions. [2018-11-23 01:22:28,956 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2018-11-23 01:22:28,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 01:22:28,957 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:28,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:22:28,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:28,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 95 transitions. [2018-11-23 01:22:28,999 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2018-11-23 01:22:29,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 01:22:29,000 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:29,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:29,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:22:29,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:29,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 96 transitions. [2018-11-23 01:22:29,042 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2018-11-23 01:22:29,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 01:22:29,043 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:29,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:22:29,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:29,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 69 states and 97 transitions. [2018-11-23 01:22:29,081 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2018-11-23 01:22:29,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 01:22:29,082 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:29,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:29,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:22:29,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:29,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 86 states and 135 transitions. [2018-11-23 01:22:29,592 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 135 transitions. [2018-11-23 01:22:29,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 01:22:29,593 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:29,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:22:29,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:29,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 91 states and 144 transitions. [2018-11-23 01:22:29,680 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 144 transitions. [2018-11-23 01:22:29,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 01:22:29,686 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:29,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:29,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:22:30,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:30,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 103 states and 171 transitions. [2018-11-23 01:22:30,212 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 171 transitions. [2018-11-23 01:22:30,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 01:22:30,213 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:30,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:30,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:22:30,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:30,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 106 states and 176 transitions. [2018-11-23 01:22:30,279 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 176 transitions. [2018-11-23 01:22:30,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 01:22:30,281 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:30,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:22:30,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:30,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 107 states and 177 transitions. [2018-11-23 01:22:30,306 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 177 transitions. [2018-11-23 01:22:30,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 01:22:30,307 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:30,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:30,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:22:30,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:30,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 108 states and 178 transitions. [2018-11-23 01:22:30,342 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 178 transitions. [2018-11-23 01:22:30,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 01:22:30,343 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:30,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:22:30,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:30,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 113 states and 186 transitions. [2018-11-23 01:22:30,579 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 186 transitions. [2018-11-23 01:22:30,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 01:22:30,580 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:30,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:22:30,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:30,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 119 states and 199 transitions. [2018-11-23 01:22:30,681 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 199 transitions. [2018-11-23 01:22:30,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 01:22:30,682 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:30,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:30,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:22:30,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:30,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 120 states and 200 transitions. [2018-11-23 01:22:30,700 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 200 transitions. [2018-11-23 01:22:30,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 01:22:30,701 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:30,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:22:30,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:30,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 125 states and 211 transitions. [2018-11-23 01:22:30,816 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 211 transitions. [2018-11-23 01:22:30,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 01:22:30,816 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:30,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:22:30,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:30,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 126 states and 212 transitions. [2018-11-23 01:22:30,848 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 212 transitions. [2018-11-23 01:22:30,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 01:22:30,850 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:30,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:30,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:22:30,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:31,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 129 states and 220 transitions. [2018-11-23 01:22:31,000 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 220 transitions. [2018-11-23 01:22:31,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-23 01:22:31,001 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:31,067 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:22:31,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:31,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 136 states and 239 transitions. [2018-11-23 01:22:31,292 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 239 transitions. [2018-11-23 01:22:31,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-23 01:22:31,293 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:31,309 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:22:31,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:31,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 137 states and 240 transitions. [2018-11-23 01:22:31,320 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 240 transitions. [2018-11-23 01:22:31,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 01:22:31,321 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:31,335 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:22:31,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:31,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 135 states and 236 transitions. [2018-11-23 01:22:31,350 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 236 transitions. [2018-11-23 01:22:31,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 01:22:31,351 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:31,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:31,607 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 01:22:32,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:32,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 142 states and 249 transitions. [2018-11-23 01:22:32,254 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 249 transitions. [2018-11-23 01:22:32,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 01:22:32,255 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:32,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:32,271 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:22:32,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:32,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 145 states and 256 transitions. [2018-11-23 01:22:32,587 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 256 transitions. [2018-11-23 01:22:32,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 01:22:32,588 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:32,625 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:22:32,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:32,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 155 states and 276 transitions. [2018-11-23 01:22:32,939 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 276 transitions. [2018-11-23 01:22:32,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 01:22:32,940 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:32,958 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 01:22:33,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:33,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 162 states and 289 transitions. [2018-11-23 01:22:33,204 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 289 transitions. [2018-11-23 01:22:33,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 01:22:33,205 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:33,231 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 01:22:33,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:33,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 164 states and 290 transitions. [2018-11-23 01:22:33,383 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 290 transitions. [2018-11-23 01:22:33,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 01:22:33,384 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:33,404 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:22:33,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:33,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 167 states and 297 transitions. [2018-11-23 01:22:33,627 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 297 transitions. [2018-11-23 01:22:33,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 01:22:33,628 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:33,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:33,645 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:22:33,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:33,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 168 states and 298 transitions. [2018-11-23 01:22:33,656 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 298 transitions. [2018-11-23 01:22:33,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 01:22:33,657 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:33,674 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:22:34,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:34,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 171 states and 306 transitions. [2018-11-23 01:22:34,029 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 306 transitions. [2018-11-23 01:22:34,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 01:22:34,030 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:34,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:34,094 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:22:34,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:34,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 172 states and 314 transitions. [2018-11-23 01:22:34,106 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 314 transitions. [2018-11-23 01:22:34,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 01:22:34,107 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:34,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:34,128 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 01:22:34,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:34,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 173 states and 314 transitions. [2018-11-23 01:22:34,137 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 314 transitions. [2018-11-23 01:22:34,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 01:22:34,138 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:34,267 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 01:22:34,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:34,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 181 states and 334 transitions. [2018-11-23 01:22:34,900 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 334 transitions. [2018-11-23 01:22:34,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 01:22:34,901 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:34,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:34,915 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 01:22:35,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:35,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 188 states and 356 transitions. [2018-11-23 01:22:35,211 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 356 transitions. [2018-11-23 01:22:35,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 01:22:35,212 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:35,243 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 01:22:35,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:35,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 189 states and 357 transitions. [2018-11-23 01:22:35,266 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 357 transitions. [2018-11-23 01:22:35,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 01:22:35,267 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:35,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:35,304 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:22:35,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:35,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 190 states and 358 transitions. [2018-11-23 01:22:35,318 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 358 transitions. [2018-11-23 01:22:35,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 01:22:35,318 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:35,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:35,354 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:22:35,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:35,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 191 states and 359 transitions. [2018-11-23 01:22:35,373 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 359 transitions. [2018-11-23 01:22:35,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 01:22:35,374 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:35,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:35,386 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 01:22:35,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:35,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 193 states and 360 transitions. [2018-11-23 01:22:35,531 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 360 transitions. [2018-11-23 01:22:35,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 01:22:35,532 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:35,552 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 01:22:35,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:35,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 194 states and 361 transitions. [2018-11-23 01:22:35,561 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 361 transitions. [2018-11-23 01:22:35,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 01:22:35,562 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:35,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:35,581 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 01:22:35,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:35,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 195 states and 362 transitions. [2018-11-23 01:22:35,616 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 362 transitions. [2018-11-23 01:22:35,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 01:22:35,617 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:35,635 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 01:22:35,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:35,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 196 states and 363 transitions. [2018-11-23 01:22:35,689 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 363 transitions. [2018-11-23 01:22:35,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 01:22:35,690 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:35,712 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 01:22:35,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:35,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 197 states and 364 transitions. [2018-11-23 01:22:35,741 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 364 transitions. [2018-11-23 01:22:35,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 01:22:35,741 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:35,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:35,756 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 01:22:37,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:37,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 213 states and 409 transitions. [2018-11-23 01:22:37,111 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 409 transitions. [2018-11-23 01:22:37,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 01:22:37,112 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:37,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:37,128 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 01:22:37,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:37,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 215 states and 410 transitions. [2018-11-23 01:22:37,324 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 410 transitions. [2018-11-23 01:22:37,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 01:22:37,326 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:37,345 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 01:22:38,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:38,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 225 states and 425 transitions. [2018-11-23 01:22:38,318 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 425 transitions. [2018-11-23 01:22:38,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 01:22:38,319 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:38,332 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 01:22:38,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:38,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 227 states and 427 transitions. [2018-11-23 01:22:38,507 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 427 transitions. [2018-11-23 01:22:38,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 01:22:38,508 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:38,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:38,523 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 01:22:38,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:38,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 228 states and 427 transitions. [2018-11-23 01:22:38,531 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 427 transitions. [2018-11-23 01:22:38,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 01:22:38,532 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:38,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:38,551 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 01:22:38,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:38,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 226 states and 417 transitions. [2018-11-23 01:22:38,781 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 417 transitions. [2018-11-23 01:22:38,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 01:22:38,782 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:38,797 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 01:22:38,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:38,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 227 states and 418 transitions. [2018-11-23 01:22:38,823 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 418 transitions. [2018-11-23 01:22:38,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 01:22:38,824 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:38,844 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 01:22:38,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:38,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 228 states and 419 transitions. [2018-11-23 01:22:38,869 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 419 transitions. [2018-11-23 01:22:38,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 01:22:38,870 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:38,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:38,959 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 01:22:39,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:39,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 231 states and 423 transitions. [2018-11-23 01:22:39,062 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 423 transitions. [2018-11-23 01:22:39,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 01:22:39,063 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:39,081 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 01:22:39,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:39,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 233 states and 425 transitions. [2018-11-23 01:22:39,301 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 425 transitions. [2018-11-23 01:22:39,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 01:22:39,302 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:39,330 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 01:22:39,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:39,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 236 states and 434 transitions. [2018-11-23 01:22:39,639 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 434 transitions. [2018-11-23 01:22:39,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 01:22:39,639 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:39,653 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 01:22:39,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:39,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 240 states and 441 transitions. [2018-11-23 01:22:39,754 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 441 transitions. [2018-11-23 01:22:39,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 01:22:39,754 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:39,816 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 01:22:40,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:40,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 248 states and 457 transitions. [2018-11-23 01:22:40,973 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 457 transitions. [2018-11-23 01:22:40,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 01:22:40,974 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:40,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:40,996 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 01:22:41,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:41,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 249 states and 457 transitions. [2018-11-23 01:22:41,045 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 457 transitions. [2018-11-23 01:22:41,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 01:22:41,045 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:41,058 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 01:22:41,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:41,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 254 states and 467 transitions. [2018-11-23 01:22:41,439 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 467 transitions. [2018-11-23 01:22:41,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 01:22:41,439 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:41,456 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 01:22:41,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:41,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 252 states and 463 transitions. [2018-11-23 01:22:41,471 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 463 transitions. [2018-11-23 01:22:41,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 01:22:41,472 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:41,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:41,489 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 01:22:41,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:41,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 253 states and 466 transitions. [2018-11-23 01:22:41,744 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 466 transitions. [2018-11-23 01:22:41,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 01:22:41,745 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:41,905 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-23 01:22:42,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:42,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 255 states and 467 transitions. [2018-11-23 01:22:42,824 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 467 transitions. [2018-11-23 01:22:42,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 01:22:42,824 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:42,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:42,835 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 01:22:42,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:42,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 256 states and 467 transitions. [2018-11-23 01:22:42,849 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 467 transitions. [2018-11-23 01:22:42,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 01:22:42,849 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:42,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:42,861 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 01:22:43,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:43,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 258 states and 470 transitions. [2018-11-23 01:22:43,008 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 470 transitions. [2018-11-23 01:22:43,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 01:22:43,009 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:43,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:43,024 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 01:22:43,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:43,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 260 states and 472 transitions. [2018-11-23 01:22:43,038 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 472 transitions. [2018-11-23 01:22:43,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 01:22:43,039 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:43,050 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 01:22:43,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:43,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 258 states and 468 transitions. [2018-11-23 01:22:43,072 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 468 transitions. [2018-11-23 01:22:43,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 01:22:43,073 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:43,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:43,193 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 01:22:43,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:43,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 264 states and 480 transitions. [2018-11-23 01:22:43,413 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 480 transitions. [2018-11-23 01:22:43,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 01:22:43,414 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:43,532 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 01:22:43,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:43,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 265 states and 480 transitions. [2018-11-23 01:22:43,547 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 480 transitions. [2018-11-23 01:22:43,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 01:22:43,547 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:43,562 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 01:22:43,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:43,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 266 states and 480 transitions. [2018-11-23 01:22:43,581 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 480 transitions. [2018-11-23 01:22:43,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 01:22:43,582 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:43,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:43,600 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 01:22:43,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:43,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 266 states and 479 transitions. [2018-11-23 01:22:43,633 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 479 transitions. [2018-11-23 01:22:43,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 01:22:43,634 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:43,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:43,651 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 01:22:43,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:43,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 268 states and 482 transitions. [2018-11-23 01:22:43,692 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 482 transitions. [2018-11-23 01:22:43,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 01:22:43,692 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:43,704 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 01:22:43,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:43,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 259 states and 465 transitions. [2018-11-23 01:22:43,720 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 465 transitions. [2018-11-23 01:22:43,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-23 01:22:43,721 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:43,917 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 01:22:44,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:44,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 261 states and 466 transitions. [2018-11-23 01:22:44,253 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 466 transitions. [2018-11-23 01:22:44,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-23 01:22:44,254 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:44,264 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 01:22:44,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:44,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 264 states and 468 transitions. [2018-11-23 01:22:44,513 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 468 transitions. [2018-11-23 01:22:44,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-23 01:22:44,514 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:44,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:44,528 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 01:22:44,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:44,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 265 states and 469 transitions. [2018-11-23 01:22:44,554 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 469 transitions. [2018-11-23 01:22:44,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-23 01:22:44,555 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:44,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:44,566 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 01:22:44,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:44,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 257 states and 452 transitions. [2018-11-23 01:22:44,583 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 452 transitions. [2018-11-23 01:22:44,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-23 01:22:44,584 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:44,595 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 01:22:44,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:44,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 244 states and 429 transitions. [2018-11-23 01:22:44,610 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 429 transitions. [2018-11-23 01:22:44,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-23 01:22:44,611 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:44,756 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 32 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 01:22:44,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:44,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 249 states and 440 transitions. [2018-11-23 01:22:44,965 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 440 transitions. [2018-11-23 01:22:44,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 01:22:44,966 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:44,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:45,105 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 32 proven. 18 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 01:22:45,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:45,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 251 states and 441 transitions. [2018-11-23 01:22:45,117 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 441 transitions. [2018-11-23 01:22:45,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-23 01:22:45,118 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:45,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:45,234 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 32 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 01:22:45,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:45,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 252 states and 442 transitions. [2018-11-23 01:22:45,248 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 442 transitions. [2018-11-23 01:22:45,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-23 01:22:45,249 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:22:45,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:22:45,263 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-23 01:22:45,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:22:45,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 133 states and 191 transitions. [2018-11-23 01:22:45,638 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 191 transitions. [2018-11-23 01:22:45,639 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 01:22:45,639 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 79 iterations. [2018-11-23 01:22:45,646 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 01:22:45,900 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-23 01:22:45,905 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:22:45,906 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:22:45,906 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:22:45,906 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-23 01:22:45,906 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-23 01:22:45,907 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:22:45,907 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:22:45,907 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:22:45,907 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:22:45,907 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:22:45,907 INFO L579 CodeCheckObserver]: Invariant with dag size 14 [2018-11-23 01:22:45,908 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:22:45,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:22:45 ImpRootNode [2018-11-23 01:22:45,908 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 01:22:45,909 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 01:22:45,909 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 01:22:45,909 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 01:22:45,910 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:22:28" (3/4) ... [2018-11-23 01:22:45,913 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 01:22:45,917 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 01:22:45,917 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 01:22:45,917 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 01:22:45,917 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 01:22:45,917 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 01:22:45,917 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 01:22:45,917 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 01:22:45,921 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2018-11-23 01:22:45,922 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-23 01:22:45,922 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 01:22:45,922 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 01:22:45,922 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 01:22:45,922 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 01:22:45,923 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 01:22:45,941 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) && !(systemActive == 0)) || pumpRunning == \old(pumpRunning)) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) [2018-11-23 01:22:45,942 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) && !(systemActive == 0)) || !(0 == pumpRunning) [2018-11-23 01:22:45,943 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((systemActive == 0 || methaneLevelCritical == tmp) || !(pumpRunning == \old(pumpRunning))) || !(0 == pumpRunning)) || tmp == 0 [2018-11-23 01:22:45,966 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a226c601-fb6b-4045-b0fd-859869020c2c/bin-2019/ukojak/witness.graphml [2018-11-23 01:22:45,966 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 01:22:45,967 INFO L168 Benchmark]: Toolchain (without parser) took 18516.76 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 538.4 MB). Free memory was 955.8 MB in the beginning and 1.1 GB in the end (delta: -127.0 MB). Peak memory consumption was 411.5 MB. Max. memory is 11.5 GB. [2018-11-23 01:22:45,968 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:22:45,968 INFO L168 Benchmark]: CACSL2BoogieTranslator took 390.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 955.8 MB in the beginning and 1.2 GB in the end (delta: -203.4 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. [2018-11-23 01:22:45,968 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:22:45,968 INFO L168 Benchmark]: Boogie Preprocessor took 20.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:22:45,968 INFO L168 Benchmark]: RCFGBuilder took 590.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 63.5 MB). Peak memory consumption was 63.5 MB. Max. memory is 11.5 GB. [2018-11-23 01:22:45,969 INFO L168 Benchmark]: CodeCheck took 17412.25 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 362.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.9 MB). Peak memory consumption was 375.7 MB. Max. memory is 11.5 GB. [2018-11-23 01:22:45,969 INFO L168 Benchmark]: Witness Printer took 57.37 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-11-23 01:22:45,970 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 72 locations, 1 error locations. SAFE Result, 17.1s OverallTime, 79 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1937635224 SDtfs, 19905272 SDslu, 921103280 SDs, 0 SdLazy, -201048738 SolverSat, -1696338314 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 50.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38450 GetRequests, 37605 SyntacticMatches, 495 SemanticMatches, 350 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61683 ImplicationChecksByTransitivity, 13.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 3643 NumberOfCodeBlocks, 3643 NumberOfCodeBlocksAsserted, 78 NumberOfCheckSat, 3565 ConstructedInterpolants, 0 QuantifiedInterpolants, 381774 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 78 InterpolantComputations, 52 PerfectInterpolantSequences, 1477/1661 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 73]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) && !(systemActive == 0)) || pumpRunning == \old(pumpRunning)) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) && !(systemActive == 0)) || !(0 == pumpRunning) - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: (((systemActive == 0 || methaneLevelCritical == tmp) || !(pumpRunning == \old(pumpRunning))) || !(0 == pumpRunning)) || tmp == 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 390.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 955.8 MB in the beginning and 1.2 GB in the end (delta: -203.4 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 590.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 63.5 MB). Peak memory consumption was 63.5 MB. Max. memory is 11.5 GB. * CodeCheck took 17412.25 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 362.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.9 MB). Peak memory consumption was 375.7 MB. Max. memory is 11.5 GB. * Witness Printer took 57.37 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...