./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product13_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5c967dfd-6966-40a1-8639-7f9878832f9f/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5c967dfd-6966-40a1-8639-7f9878832f9f/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5c967dfd-6966-40a1-8639-7f9878832f9f/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5c967dfd-6966-40a1-8639-7f9878832f9f/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product13_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5c967dfd-6966-40a1-8639-7f9878832f9f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5c967dfd-6966-40a1-8639-7f9878832f9f/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 f73634e342cf3e7f84044af175d79019321da0bc ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:48:39,922 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:48:39,924 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:48:39,933 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:48:39,933 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:48:39,934 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:48:39,935 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:48:39,936 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:48:39,937 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:48:39,938 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:48:39,939 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:48:39,939 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:48:39,940 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:48:39,941 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:48:39,942 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:48:39,942 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:48:39,943 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:48:39,945 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:48:39,946 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:48:39,948 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:48:39,949 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:48:39,949 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:48:39,952 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:48:39,952 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:48:39,952 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:48:39,953 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:48:39,954 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:48:39,955 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:48:39,956 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:48:39,956 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:48:39,957 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:48:39,957 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:48:39,957 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:48:39,958 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:48:39,958 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:48:39,960 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:48:39,960 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5c967dfd-6966-40a1-8639-7f9878832f9f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 22:48:39,971 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:48:39,971 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:48:39,972 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:48:39,972 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:48:39,972 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:48:39,973 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:48:39,973 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:48:39,973 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:48:39,973 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:48:39,973 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:48:39,973 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:48:39,973 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:48:39,974 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:48:39,974 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:48:39,974 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:48:39,974 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:48:39,974 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:48:39,974 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 22:48:39,976 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 22:48:39,976 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:48:39,976 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:48:39,976 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:48:39,976 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:48:39,977 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:48:39,977 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:48:39,977 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 22:48:39,977 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:48:39,977 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:48:39,977 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_5c967dfd-6966-40a1-8639-7f9878832f9f/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 -> f73634e342cf3e7f84044af175d79019321da0bc [2018-10-26 22:48:40,004 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:48:40,014 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:48:40,019 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:48:40,020 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:48:40,021 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:48:40,021 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5c967dfd-6966-40a1-8639-7f9878832f9f/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product13_true-unreach-call_false-termination.cil.c [2018-10-26 22:48:40,074 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c967dfd-6966-40a1-8639-7f9878832f9f/bin-2019/ukojak/data/e1bd4d4fa/d4ab349bda104082854ea196a8074a91/FLAGa8a220df1 [2018-10-26 22:48:40,492 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:48:40,493 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5c967dfd-6966-40a1-8639-7f9878832f9f/sv-benchmarks/c/product-lines/minepump_spec2_product13_true-unreach-call_false-termination.cil.c [2018-10-26 22:48:40,502 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c967dfd-6966-40a1-8639-7f9878832f9f/bin-2019/ukojak/data/e1bd4d4fa/d4ab349bda104082854ea196a8074a91/FLAGa8a220df1 [2018-10-26 22:48:40,513 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5c967dfd-6966-40a1-8639-7f9878832f9f/bin-2019/ukojak/data/e1bd4d4fa/d4ab349bda104082854ea196a8074a91 [2018-10-26 22:48:40,516 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:48:40,517 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:48:40,518 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:48:40,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:48:40,522 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:48:40,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:48:40" (1/1) ... [2018-10-26 22:48:40,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@450f8cba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:48:40, skipping insertion in model container [2018-10-26 22:48:40,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:48:40" (1/1) ... [2018-10-26 22:48:40,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:48:40,568 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:48:40,778 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:48:40,786 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:48:40,880 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:48:40,908 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:48:40,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:48:40 WrapperNode [2018-10-26 22:48:40,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:48:40,909 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:48:40,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:48:40,909 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:48:40,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:48:40" (1/1) ... [2018-10-26 22:48:40,932 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:48:40" (1/1) ... [2018-10-26 22:48:41,034 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:48:41,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:48:41,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:48:41,035 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:48:41,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:48:40" (1/1) ... [2018-10-26 22:48:41,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:48:40" (1/1) ... [2018-10-26 22:48:41,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:48:40" (1/1) ... [2018-10-26 22:48:41,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:48:40" (1/1) ... [2018-10-26 22:48:41,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:48:40" (1/1) ... [2018-10-26 22:48:41,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:48:40" (1/1) ... [2018-10-26 22:48:41,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:48:40" (1/1) ... [2018-10-26 22:48:41,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:48:41,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:48:41,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:48:41,064 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:48:41,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:48:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5c967dfd-6966-40a1-8639-7f9878832f9f/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 [2018-10-26 22:48:41,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 22:48:41,122 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 22:48:41,123 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 22:48:41,123 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 22:48:41,123 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 22:48:41,123 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-26 22:48:41,123 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-26 22:48:41,123 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 22:48:41,123 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 22:48:41,123 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-10-26 22:48:41,123 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-10-26 22:48:41,123 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-10-26 22:48:41,124 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-10-26 22:48:41,124 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 22:48:41,124 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 22:48:41,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:48:41,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:48:43,227 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:48:43,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:48:43 BoogieIcfgContainer [2018-10-26 22:48:43,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:48:43,228 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 22:48:43,228 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 22:48:43,237 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 22:48:43,237 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:48:43" (1/1) ... [2018-10-26 22:48:43,247 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:48:43,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:48:43,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2018-10-26 22:48:43,283 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2018-10-26 22:48:43,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 22:48:43,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:48:43,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:48:43,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:48:43,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:48:43,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 57 states and 72 transitions. [2018-10-26 22:48:43,477 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2018-10-26 22:48:43,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 22:48:43,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:48:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:48:43,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:48:43,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:48:43,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 60 states and 76 transitions. [2018-10-26 22:48:43,793 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2018-10-26 22:48:43,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 22:48:43,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:48:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:48:43,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:48:44,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:48:44,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 70 states and 95 transitions. [2018-10-26 22:48:44,551 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 95 transitions. [2018-10-26 22:48:44,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 22:48:44,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:48:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:48:44,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:48:44,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:48:44,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 71 states and 96 transitions. [2018-10-26 22:48:44,690 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 96 transitions. [2018-10-26 22:48:44,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 22:48:44,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:48:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:48:44,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:48:44,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:48:44,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 72 states and 97 transitions. [2018-10-26 22:48:44,803 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 97 transitions. [2018-10-26 22:48:44,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 22:48:44,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:48:44,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:48:45,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:48:45,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:48:45,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 89 states and 129 transitions. [2018-10-26 22:48:45,719 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 129 transitions. [2018-10-26 22:48:45,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 22:48:45,721 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:48:45,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:48:45,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:48:45,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:48:45,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 90 states and 130 transitions. [2018-10-26 22:48:45,828 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 130 transitions. [2018-10-26 22:48:45,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 22:48:45,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:48:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:48:46,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:48:47,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:48:47,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 110 states and 170 transitions. [2018-10-26 22:48:47,136 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 170 transitions. [2018-10-26 22:48:47,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-26 22:48:47,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:48:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:48:47,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:48:47,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:48:47,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 111 states and 171 transitions. [2018-10-26 22:48:47,238 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 171 transitions. [2018-10-26 22:48:47,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-26 22:48:47,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:48:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:48:47,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:48:48,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:48:48,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 122 states and 196 transitions. [2018-10-26 22:48:48,027 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 196 transitions. [2018-10-26 22:48:48,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-26 22:48:48,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:48:48,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:48:48,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:48:48,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:48:48,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 123 states and 197 transitions. [2018-10-26 22:48:48,133 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 197 transitions. [2018-10-26 22:48:48,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-26 22:48:48,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:48:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:48:48,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:48:48,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:48:48,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 129 states and 210 transitions. [2018-10-26 22:48:48,612 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 210 transitions. [2018-10-26 22:48:48,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-26 22:48:48,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:48:48,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:48:48,760 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:48:49,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:48:49,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 136 states and 227 transitions. [2018-10-26 22:48:49,224 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 227 transitions. [2018-10-26 22:48:49,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 22:48:49,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:48:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:48:49,251 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:48:49,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:48:49,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 134 states and 223 transitions. [2018-10-26 22:48:49,297 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 223 transitions. [2018-10-26 22:48:49,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 22:48:49,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:48:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:48:50,145 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 22:48:51,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:48:51,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 137 states and 234 transitions. [2018-10-26 22:48:51,179 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 234 transitions. [2018-10-26 22:48:51,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 22:48:51,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:48:51,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:48:51,326 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:48:53,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:48:53,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 154 states and 270 transitions. [2018-10-26 22:48:53,038 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 270 transitions. [2018-10-26 22:48:53,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 22:48:53,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:48:53,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:48:53,061 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:48:53,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:48:53,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 156 states and 274 transitions. [2018-10-26 22:48:53,257 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 274 transitions. [2018-10-26 22:48:53,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-26 22:48:53,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:48:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:48:53,311 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 22:48:54,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:48:54,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 166 states and 290 transitions. [2018-10-26 22:48:54,036 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 290 transitions. [2018-10-26 22:48:54,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 22:48:54,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:48:54,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:48:54,062 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:48:54,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:48:54,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 167 states and 291 transitions. [2018-10-26 22:48:54,143 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 291 transitions. [2018-10-26 22:48:54,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 22:48:54,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:48:54,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:48:54,168 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:48:54,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:48:54,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 168 states and 292 transitions. [2018-10-26 22:48:54,261 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 292 transitions. [2018-10-26 22:48:54,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 22:48:54,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:48:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:48:54,287 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 22:48:54,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:48:54,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 169 states and 293 transitions. [2018-10-26 22:48:54,352 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 293 transitions. [2018-10-26 22:48:54,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 22:48:54,353 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:48:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:48:54,378 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:48:54,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:48:54,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 171 states and 300 transitions. [2018-10-26 22:48:54,608 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 300 transitions. [2018-10-26 22:48:54,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 22:48:54,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:48:54,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:48:54,633 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:48:54,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:48:54,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 174 states and 303 transitions. [2018-10-26 22:48:54,857 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 303 transitions. [2018-10-26 22:48:54,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-26 22:48:54,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:48:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:48:54,882 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:48:55,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:48:55,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 182 states and 330 transitions. [2018-10-26 22:48:55,234 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 330 transitions. [2018-10-26 22:48:55,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 22:48:55,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:48:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:48:55,260 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:48:56,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:48:56,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 190 states and 353 transitions. [2018-10-26 22:48:56,093 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 353 transitions. [2018-10-26 22:48:56,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-26 22:48:56,094 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:48:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:48:56,117 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:48:56,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:48:56,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 193 states and 358 transitions. [2018-10-26 22:48:56,207 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 358 transitions. [2018-10-26 22:48:56,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-26 22:48:56,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:48:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:48:56,773 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:48:58,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:48:58,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 204 states and 388 transitions. [2018-10-26 22:48:58,422 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 388 transitions. [2018-10-26 22:48:58,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-26 22:48:58,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:48:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:48:58,476 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:48:58,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:48:58,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 205 states and 389 transitions. [2018-10-26 22:48:58,547 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 389 transitions. [2018-10-26 22:48:58,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-26 22:48:58,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:48:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:48:58,578 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:48:58,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:48:58,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 206 states and 390 transitions. [2018-10-26 22:48:58,641 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 390 transitions. [2018-10-26 22:48:58,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-26 22:48:58,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:48:58,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:48:58,672 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:48:59,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:48:59,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 209 states and 392 transitions. [2018-10-26 22:48:59,142 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 392 transitions. [2018-10-26 22:48:59,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-26 22:48:59,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:48:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:48:59,271 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 22:49:00,432 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-26 22:49:01,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:49:01,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 229 states and 440 transitions. [2018-10-26 22:49:01,996 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 440 transitions. [2018-10-26 22:49:01,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-26 22:49:01,998 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:49:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:49:02,384 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 22:49:02,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:49:02,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 238 states and 480 transitions. [2018-10-26 22:49:02,989 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 480 transitions. [2018-10-26 22:49:02,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-26 22:49:02,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:49:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:49:03,105 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 22:49:03,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:49:03,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 244 states and 490 transitions. [2018-10-26 22:49:03,302 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 490 transitions. [2018-10-26 22:49:03,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-26 22:49:03,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:49:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:49:03,665 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 22:49:03,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:49:03,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 245 states and 493 transitions. [2018-10-26 22:49:03,865 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 493 transitions. [2018-10-26 22:49:03,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-26 22:49:03,867 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:49:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:49:04,050 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 22:49:04,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:49:04,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 246 states and 494 transitions. [2018-10-26 22:49:04,064 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 494 transitions. [2018-10-26 22:49:04,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-26 22:49:04,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:49:04,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:49:04,150 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 22:49:04,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:49:04,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 247 states and 495 transitions. [2018-10-26 22:49:04,165 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 495 transitions. [2018-10-26 22:49:04,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-26 22:49:04,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:49:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:49:04,187 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:49:04,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:49:04,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 248 states and 496 transitions. [2018-10-26 22:49:04,365 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 496 transitions. [2018-10-26 22:49:04,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-26 22:49:04,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:49:04,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:49:04,846 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 22:49:05,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:49:05,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 252 states and 508 transitions. [2018-10-26 22:49:05,138 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 508 transitions. [2018-10-26 22:49:05,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-26 22:49:05,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:49:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:49:05,160 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 22:49:05,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:49:05,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 256 states and 517 transitions. [2018-10-26 22:49:05,899 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 517 transitions. [2018-10-26 22:49:05,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-26 22:49:05,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:49:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:49:05,922 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-26 22:49:06,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:49:06,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 246 states and 487 transitions. [2018-10-26 22:49:06,150 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 487 transitions. [2018-10-26 22:49:06,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-26 22:49:06,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:49:06,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:49:06,181 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 22:49:06,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:49:06,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 244 states and 483 transitions. [2018-10-26 22:49:06,454 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 483 transitions. [2018-10-26 22:49:06,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-26 22:49:06,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:49:06,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:49:06,527 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-26 22:49:06,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:49:06,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 245 states and 485 transitions. [2018-10-26 22:49:06,731 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 485 transitions. [2018-10-26 22:49:06,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-26 22:49:06,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:49:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:49:06,763 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 22:49:07,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:49:07,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 247 states and 489 transitions. [2018-10-26 22:49:07,507 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 489 transitions. [2018-10-26 22:49:07,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-26 22:49:07,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:49:07,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:49:07,537 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 22:49:07,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:49:07,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 249 states and 492 transitions. [2018-10-26 22:49:07,775 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 492 transitions. [2018-10-26 22:49:07,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-26 22:49:07,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:49:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:49:07,810 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 22:49:08,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:49:08,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 251 states and 495 transitions. [2018-10-26 22:49:08,051 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 495 transitions. [2018-10-26 22:49:08,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-26 22:49:08,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:49:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:49:08,076 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 22:49:08,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:49:08,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 252 states and 496 transitions. [2018-10-26 22:49:08,446 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 496 transitions. [2018-10-26 22:49:08,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-26 22:49:08,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:49:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:49:08,470 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 22:49:08,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:49:08,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 253 states and 497 transitions. [2018-10-26 22:49:08,815 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 497 transitions. [2018-10-26 22:49:08,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-26 22:49:08,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:49:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:49:08,844 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 22:49:09,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:49:09,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 248 states and 485 transitions. [2018-10-26 22:49:09,115 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 485 transitions. [2018-10-26 22:49:09,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-26 22:49:09,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:49:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:49:09,137 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 22:49:09,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:49:09,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 243 states and 475 transitions. [2018-10-26 22:49:09,414 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 475 transitions. [2018-10-26 22:49:09,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-26 22:49:09,415 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:49:09,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:49:09,438 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-10-26 22:49:09,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:49:09,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 246 states and 477 transitions. [2018-10-26 22:49:09,778 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 477 transitions. [2018-10-26 22:49:09,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-26 22:49:09,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:49:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:49:09,801 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-26 22:49:10,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:49:10,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 249 states and 479 transitions. [2018-10-26 22:49:10,106 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 479 transitions. [2018-10-26 22:49:10,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-26 22:49:10,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:49:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:49:10,131 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-26 22:49:11,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:49:11,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 252 states and 481 transitions. [2018-10-26 22:49:11,132 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 481 transitions. [2018-10-26 22:49:11,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-26 22:49:11,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:49:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:49:11,465 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-10-26 22:49:11,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:49:11,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 253 states and 477 transitions. [2018-10-26 22:49:11,991 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 477 transitions. [2018-10-26 22:49:11,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-26 22:49:11,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:49:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:49:12,026 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-26 22:49:12,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:49:12,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 251 states and 469 transitions. [2018-10-26 22:49:12,447 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 469 transitions. [2018-10-26 22:49:12,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-26 22:49:12,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:49:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:49:12,650 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-26 22:49:12,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:49:12,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 92 states and 120 transitions. [2018-10-26 22:49:12,889 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 120 transitions. [2018-10-26 22:49:12,889 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:49:12,889 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 56 iterations. [2018-10-26 22:49:12,897 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 22:49:13,197 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:49:13,199 INFO L582 CodeCheckObserver]: Invariant with dag size 16 [2018-10-26 22:49:13,203 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:49:13,203 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:49:13,203 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:49:13,203 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:49:13,203 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-10-26 22:49:13,204 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:49:13,204 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:49:13,204 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:49:13,204 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:49:13,204 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-10-26 22:49:13,204 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:49:13,205 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:49:13,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 10:49:13 ImpRootNode [2018-10-26 22:49:13,205 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 22:49:13,205 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:49:13,205 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:49:13,205 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:49:13,208 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:48:43" (3/4) ... [2018-10-26 22:49:13,211 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:49:13,215 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 22:49:13,216 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 22:49:13,216 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 22:49:13,216 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-26 22:49:13,217 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 22:49:13,217 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-10-26 22:49:13,217 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-10-26 22:49:13,222 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-10-26 22:49:13,222 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-10-26 22:49:13,223 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-10-26 22:49:13,248 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical)) || \old(pumpRunning) == pumpRunning) || systemActive == 0) || !(0 == pumpRunning) [2018-10-26 22:49:13,288 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5c967dfd-6966-40a1-8639-7f9878832f9f/bin-2019/ukojak/witness.graphml [2018-10-26 22:49:13,288 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:49:13,289 INFO L168 Benchmark]: Toolchain (without parser) took 32772.01 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 365.4 MB). Free memory was 961.8 MB in the beginning and 883.3 MB in the end (delta: 78.5 MB). Peak memory consumption was 444.0 MB. Max. memory is 11.5 GB. [2018-10-26 22:49:13,289 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:49:13,290 INFO L168 Benchmark]: CACSL2BoogieTranslator took 390.23 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 937.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:49:13,290 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 937.7 MB in the beginning and 1.1 GB in the end (delta: -206.1 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2018-10-26 22:49:13,290 INFO L168 Benchmark]: Boogie Preprocessor took 28.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:49:13,292 INFO L168 Benchmark]: RCFGBuilder took 2164.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 93.4 MB). Peak memory consumption was 93.4 MB. Max. memory is 11.5 GB. [2018-10-26 22:49:13,292 INFO L168 Benchmark]: CodeCheck took 29976.72 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 212.9 MB). Free memory was 1.0 GB in the beginning and 883.3 MB in the end (delta: 164.4 MB). Peak memory consumption was 377.2 MB. Max. memory is 11.5 GB. [2018-10-26 22:49:13,293 INFO L168 Benchmark]: Witness Printer took 83.00 ms. Allocated memory is still 1.4 GB. Free memory was 883.3 MB in the beginning and 883.3 MB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-10-26 22:49:13,294 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, 116 locations, 1 error locations. SAFE Result, 29.6s OverallTime, 56 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1156645632 SDtfs, 1236669244 SDslu, 1566057168 SDs, 0 SdLazy, 635105274 SolverSat, -1195425570 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 103.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30566 GetRequests, 30056 SyntacticMatches, 188 SemanticMatches, 322 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49376 ImplicationChecksByTransitivity, 23.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 2922 NumberOfCodeBlocks, 2922 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 2867 ConstructedInterpolants, 0 QuantifiedInterpolants, 308413 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 55 InterpolantComputations, 42 PerfectInterpolantSequences, 1391/1439 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: 113]: 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: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: (((!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical)) || \old(pumpRunning) == pumpRunning) || systemActive == 0) || !(0 == pumpRunning) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= systemActive - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: tmp == methaneLevelCritical || !(0 == tmp) - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 390.23 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 937.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 125.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 937.7 MB in the beginning and 1.1 GB in the end (delta: -206.1 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2164.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 93.4 MB). Peak memory consumption was 93.4 MB. Max. memory is 11.5 GB. * CodeCheck took 29976.72 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 212.9 MB). Free memory was 1.0 GB in the beginning and 883.3 MB in the end (delta: 164.4 MB). Peak memory consumption was 377.2 MB. Max. memory is 11.5 GB. * Witness Printer took 83.00 ms. Allocated memory is still 1.4 GB. Free memory was 883.3 MB in the beginning and 883.3 MB 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...