./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product29_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_434a9d3e-4610-41eb-bfe3-bf5e60411af8/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_434a9d3e-4610-41eb-bfe3-bf5e60411af8/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_434a9d3e-4610-41eb-bfe3-bf5e60411af8/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_434a9d3e-4610-41eb-bfe3-bf5e60411af8/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product29_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_434a9d3e-4610-41eb-bfe3-bf5e60411af8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_434a9d3e-4610-41eb-bfe3-bf5e60411af8/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 d733dbb906adb6defb82ddd5acbd52a79b17963e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 14:46:19,069 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:46:19,070 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:46:19,079 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:46:19,079 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:46:19,080 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:46:19,081 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:46:19,082 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:46:19,083 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:46:19,083 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:46:19,084 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:46:19,084 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:46:19,085 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:46:19,085 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:46:19,086 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:46:19,086 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:46:19,087 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:46:19,088 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:46:19,089 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:46:19,090 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:46:19,091 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:46:19,092 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:46:19,093 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:46:19,093 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:46:19,093 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:46:19,094 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:46:19,095 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:46:19,095 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:46:19,096 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:46:19,096 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:46:19,097 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:46:19,097 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:46:19,097 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:46:19,097 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:46:19,098 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:46:19,098 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:46:19,099 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_434a9d3e-4610-41eb-bfe3-bf5e60411af8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 14:46:19,108 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:46:19,108 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:46:19,109 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:46:19,109 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 14:46:19,110 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:46:19,110 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:46:19,110 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:46:19,110 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:46:19,110 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:46:19,110 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:46:19,110 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:46:19,111 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:46:19,111 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:46:19,111 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:46:19,111 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:46:19,111 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:46:19,111 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:46:19,111 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:46:19,111 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 14:46:19,112 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 14:46:19,112 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:46:19,112 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:46:19,112 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 14:46:19,112 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:46:19,112 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:46:19,112 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:46:19,113 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 14:46:19,113 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:46:19,113 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:46:19,113 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_434a9d3e-4610-41eb-bfe3-bf5e60411af8/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 -> d733dbb906adb6defb82ddd5acbd52a79b17963e [2018-11-18 14:46:19,135 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:46:19,144 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:46:19,147 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:46:19,148 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:46:19,148 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:46:19,149 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_434a9d3e-4610-41eb-bfe3-bf5e60411af8/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product29_true-unreach-call_false-termination.cil.c [2018-11-18 14:46:19,186 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_434a9d3e-4610-41eb-bfe3-bf5e60411af8/bin-2019/ukojak/data/272db9b37/f0c799231d1d4bd389a77d393c3a3150/FLAGd09d235eb [2018-11-18 14:46:19,515 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:46:19,515 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_434a9d3e-4610-41eb-bfe3-bf5e60411af8/sv-benchmarks/c/product-lines/minepump_spec4_product29_true-unreach-call_false-termination.cil.c [2018-11-18 14:46:19,522 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_434a9d3e-4610-41eb-bfe3-bf5e60411af8/bin-2019/ukojak/data/272db9b37/f0c799231d1d4bd389a77d393c3a3150/FLAGd09d235eb [2018-11-18 14:46:19,533 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_434a9d3e-4610-41eb-bfe3-bf5e60411af8/bin-2019/ukojak/data/272db9b37/f0c799231d1d4bd389a77d393c3a3150 [2018-11-18 14:46:19,535 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:46:19,535 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:46:19,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:46:19,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:46:19,538 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:46:19,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:46:19" (1/1) ... [2018-11-18 14:46:19,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:19, skipping insertion in model container [2018-11-18 14:46:19,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:46:19" (1/1) ... [2018-11-18 14:46:19,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:46:19,576 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:46:19,759 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:46:19,766 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:46:19,862 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:46:19,882 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:46:19,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:19 WrapperNode [2018-11-18 14:46:19,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:46:19,883 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:46:19,883 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:46:19,883 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:46:19,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:19" (1/1) ... [2018-11-18 14:46:19,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:19" (1/1) ... [2018-11-18 14:46:19,914 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:46:19,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:46:19,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:46:19,914 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:46:19,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:19" (1/1) ... [2018-11-18 14:46:19,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:19" (1/1) ... [2018-11-18 14:46:19,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:19" (1/1) ... [2018-11-18 14:46:19,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:19" (1/1) ... [2018-11-18 14:46:19,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:19" (1/1) ... [2018-11-18 14:46:19,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:19" (1/1) ... [2018-11-18 14:46:19,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:19" (1/1) ... [2018-11-18 14:46:19,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:46:19,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:46:19,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:46:19,937 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:46:19,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_434a9d3e-4610-41eb-bfe3-bf5e60411af8/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 [2018-11-18 14:46:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:46:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 14:46:19,977 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 14:46:19,978 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 14:46:19,978 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 14:46:19,978 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 14:46:19,978 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 14:46:19,978 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 14:46:19,979 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 14:46:19,979 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 14:46:19,979 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 14:46:19,979 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 14:46:19,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 14:46:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 14:46:19,980 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 14:46:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 14:46:19,980 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 14:46:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:46:19,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:46:20,614 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:46:20,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:46:20 BoogieIcfgContainer [2018-11-18 14:46:20,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:46:20,615 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 14:46:20,615 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 14:46:20,625 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 14:46:20,625 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:46:20" (1/1) ... [2018-11-18 14:46:20,635 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:46:20,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:46:20,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 61 states and 81 transitions. [2018-11-18 14:46:20,670 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 81 transitions. [2018-11-18 14:46:20,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 14:46:20,675 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:46:20,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:20,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:46:20,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:46:20,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2018-11-18 14:46:20,855 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2018-11-18 14:46:20,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 14:46:20,856 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:46:20,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:20,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:46:20,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:46:20,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 64 states and 82 transitions. [2018-11-18 14:46:20,991 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2018-11-18 14:46:20,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 14:46:20,992 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:46:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:21,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:46:21,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:46:21,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 74 states and 101 transitions. [2018-11-18 14:46:21,196 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 101 transitions. [2018-11-18 14:46:21,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 14:46:21,197 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:46:21,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:21,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:46:21,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:46:21,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 75 states and 102 transitions. [2018-11-18 14:46:21,251 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 102 transitions. [2018-11-18 14:46:21,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 14:46:21,251 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:46:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:21,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:46:21,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:46:21,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 76 states and 103 transitions. [2018-11-18 14:46:21,294 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 103 transitions. [2018-11-18 14:46:21,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 14:46:21,295 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:46:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:21,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:46:21,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:46:21,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 91 states and 136 transitions. [2018-11-18 14:46:21,734 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 136 transitions. [2018-11-18 14:46:21,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 14:46:21,735 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:46:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:21,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:46:22,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:46:22,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 105 states and 169 transitions. [2018-11-18 14:46:22,258 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 169 transitions. [2018-11-18 14:46:22,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 14:46:22,260 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:46:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:22,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:46:22,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:46:22,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 107 states and 171 transitions. [2018-11-18 14:46:22,386 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 171 transitions. [2018-11-18 14:46:22,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 14:46:22,387 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:46:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:22,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:46:22,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:46:22,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 109 states and 176 transitions. [2018-11-18 14:46:22,585 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 176 transitions. [2018-11-18 14:46:22,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 14:46:22,586 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:46:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:22,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:46:22,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:46:22,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 107 states and 170 transitions. [2018-11-18 14:46:22,647 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 170 transitions. [2018-11-18 14:46:22,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 14:46:22,648 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:46:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:22,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:46:22,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:46:22,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 108 states and 171 transitions. [2018-11-18 14:46:22,687 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 171 transitions. [2018-11-18 14:46:22,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 14:46:22,689 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:46:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:22,766 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:46:22,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:46:22,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 115 states and 184 transitions. [2018-11-18 14:46:22,922 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 184 transitions. [2018-11-18 14:46:22,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 14:46:22,923 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:46:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:22,950 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:46:23,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:46:23,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 116 states and 187 transitions. [2018-11-18 14:46:23,064 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 187 transitions. [2018-11-18 14:46:23,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 14:46:23,064 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:46:23,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:23,097 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:46:23,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:46:23,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 117 states and 190 transitions. [2018-11-18 14:46:23,113 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 190 transitions. [2018-11-18 14:46:23,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 14:46:23,114 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:46:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:23,142 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:46:23,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:46:23,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 119 states and 193 transitions. [2018-11-18 14:46:23,300 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 193 transitions. [2018-11-18 14:46:23,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 14:46:23,301 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:46:23,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:23,329 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:46:23,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:46:23,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 121 states and 195 transitions. [2018-11-18 14:46:23,351 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 195 transitions. [2018-11-18 14:46:23,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 14:46:23,352 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:46:23,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:23,418 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:46:23,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:46:23,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 136 states and 224 transitions. [2018-11-18 14:46:23,906 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 224 transitions. [2018-11-18 14:46:23,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 14:46:23,906 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:46:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:23,934 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 14:46:23,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:46:23,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 137 states and 225 transitions. [2018-11-18 14:46:23,948 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 225 transitions. [2018-11-18 14:46:23,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 14:46:23,949 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:46:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:23,976 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:46:23,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:46:23,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 138 states and 226 transitions. [2018-11-18 14:46:23,987 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 226 transitions. [2018-11-18 14:46:23,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 14:46:23,988 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:46:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:24,065 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 14:46:24,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:46:24,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 155 states and 280 transitions. [2018-11-18 14:46:24,888 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 280 transitions. [2018-11-18 14:46:24,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 14:46:24,890 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:46:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:24,967 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 14:46:24,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:46:24,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 156 states and 281 transitions. [2018-11-18 14:46:24,987 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 281 transitions. [2018-11-18 14:46:24,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 14:46:24,988 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:46:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:25,066 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 14:46:25,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:46:25,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 159 states and 284 transitions. [2018-11-18 14:46:25,258 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 284 transitions. [2018-11-18 14:46:25,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 14:46:25,259 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:46:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:25,351 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 14:46:25,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:46:25,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 159 states and 283 transitions. [2018-11-18 14:46:25,489 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 283 transitions. [2018-11-18 14:46:25,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 14:46:25,490 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:46:25,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:25,533 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 14:46:25,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:46:25,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 164 states and 292 transitions. [2018-11-18 14:46:25,980 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 292 transitions. [2018-11-18 14:46:25,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 14:46:25,981 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:46:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:26,079 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 14:46:26,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:46:26,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 170 states and 301 transitions. [2018-11-18 14:46:26,407 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 301 transitions. [2018-11-18 14:46:26,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 14:46:26,407 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:46:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:26,495 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 14:46:26,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:46:26,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 171 states and 302 transitions. [2018-11-18 14:46:26,510 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 302 transitions. [2018-11-18 14:46:26,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 14:46:26,512 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:46:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:26,592 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 14:46:26,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:46:26,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 172 states and 303 transitions. [2018-11-18 14:46:26,606 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 303 transitions. [2018-11-18 14:46:26,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 14:46:26,607 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:46:26,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:26,637 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 14:46:26,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:46:26,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 162 states and 283 transitions. [2018-11-18 14:46:26,684 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 283 transitions. [2018-11-18 14:46:26,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 14:46:26,685 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:46:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:26,709 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 14:46:26,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:46:26,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 166 states and 290 transitions. [2018-11-18 14:46:26,902 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 290 transitions. [2018-11-18 14:46:26,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 14:46:26,902 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:46:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:26,920 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 14:46:26,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:46:26,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 164 states and 286 transitions. [2018-11-18 14:46:26,965 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 286 transitions. [2018-11-18 14:46:26,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 14:46:26,966 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:46:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:26,992 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 14:46:27,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:46:27,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 162 states and 281 transitions. [2018-11-18 14:46:27,027 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 281 transitions. [2018-11-18 14:46:27,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 14:46:27,028 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:46:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:27,072 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 14:46:27,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:46:27,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 152 states and 263 transitions. [2018-11-18 14:46:27,254 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 263 transitions. [2018-11-18 14:46:27,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 14:46:27,255 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:46:27,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:27,380 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-18 14:46:27,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:46:27,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 79 states and 105 transitions. [2018-11-18 14:46:27,637 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 105 transitions. [2018-11-18 14:46:27,637 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 14:46:27,638 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2018-11-18 14:46:27,644 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 14:46:27,772 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 14:46:27,774 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 14:46:27,774 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 14:46:27,774 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 14:46:27,774 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-18 14:46:27,777 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 14:46:27,777 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 14:46:27,777 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 14:46:27,777 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 14:46:27,777 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 14:46:27,777 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 14:46:27,777 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-18 14:46:27,778 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 14:46:27,778 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-18 14:46:27,778 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 14:46:27,778 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 14:46:27,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 02:46:27 ImpRootNode [2018-11-18 14:46:27,779 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 14:46:27,779 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:46:27,779 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:46:27,779 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:46:27,780 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:46:20" (3/4) ... [2018-11-18 14:46:27,782 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 14:46:27,787 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 14:46:27,787 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 14:46:27,787 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 14:46:27,787 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 14:46:27,788 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 14:46:27,788 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 14:46:27,788 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 14:46:27,788 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 14:46:27,793 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-11-18 14:46:27,793 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 14:46:27,794 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 14:46:27,813 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(pumpRunning) == pumpRunning || !(0 == pumpRunning)) || 0 == systemActive [2018-11-18 14:46:27,814 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(pumpRunning) == pumpRunning [2018-11-18 14:46:27,847 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_434a9d3e-4610-41eb-bfe3-bf5e60411af8/bin-2019/ukojak/witness.graphml [2018-11-18 14:46:27,847 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:46:27,848 INFO L168 Benchmark]: Toolchain (without parser) took 8312.60 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 404.8 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -209.6 MB). Peak memory consumption was 195.1 MB. Max. memory is 11.5 GB. [2018-11-18 14:46:27,848 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:46:27,848 INFO L168 Benchmark]: CACSL2BoogieTranslator took 346.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.6 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -211.0 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:46:27,849 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 14:46:27,849 INFO L168 Benchmark]: Boogie Preprocessor took 22.16 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. [2018-11-18 14:46:27,849 INFO L168 Benchmark]: RCFGBuilder took 678.72 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: 81.4 MB). Peak memory consumption was 81.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:46:27,849 INFO L168 Benchmark]: CodeCheck took 7163.24 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 230.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -93.4 MB). Peak memory consumption was 136.8 MB. Max. memory is 11.5 GB. [2018-11-18 14:46:27,849 INFO L168 Benchmark]: Witness Printer took 68.17 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:46:27,850 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 9 procedures, 88 locations, 1 error locations. SAFE Result, 6.9s OverallTime, 34 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 871371568 SDtfs, -606261212 SDslu, -643761440 SDs, 0 SdLazy, 1371027394 SolverSat, 1079877650 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14130 GetRequests, 13827 SyntacticMatches, 129 SemanticMatches, 174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16697 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1426 NumberOfCodeBlocks, 1426 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 1393 ConstructedInterpolants, 0 QuantifiedInterpolants, 139276 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 24 PerfectInterpolantSequences, 413/447 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: 140]: 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: 920]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: (\old(pumpRunning) == pumpRunning || !(0 == pumpRunning)) || 0 == systemActive - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: (0 == pumpRunning && systemActive == 1) && systemActive == waterLevel - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: \old(pumpRunning) == pumpRunning - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 346.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.6 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -211.0 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.16 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 678.72 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: 81.4 MB). Peak memory consumption was 81.4 MB. Max. memory is 11.5 GB. * CodeCheck took 7163.24 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 230.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -93.4 MB). Peak memory consumption was 136.8 MB. Max. memory is 11.5 GB. * Witness Printer took 68.17 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...