./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product45_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_20d13c70-5877-4342-8d10-8951e0ce62a3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_20d13c70-5877-4342-8d10-8951e0ce62a3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_20d13c70-5877-4342-8d10-8951e0ce62a3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_20d13c70-5877-4342-8d10-8951e0ce62a3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product45_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_20d13c70-5877-4342-8d10-8951e0ce62a3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_20d13c70-5877-4342-8d10-8951e0ce62a3/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 8c7c11659b56a65fd9b011a28c96b3117f33c316 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 08:54:09,507 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:54:09,508 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:54:09,515 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:54:09,515 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:54:09,515 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:54:09,516 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:54:09,518 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:54:09,519 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:54:09,520 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:54:09,520 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:54:09,521 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:54:09,521 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:54:09,522 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:54:09,523 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:54:09,523 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:54:09,524 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:54:09,525 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:54:09,527 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:54:09,528 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:54:09,529 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:54:09,530 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:54:09,531 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:54:09,532 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:54:09,532 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:54:09,532 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:54:09,533 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:54:09,534 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:54:09,534 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:54:09,535 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:54:09,535 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:54:09,536 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:54:09,536 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:54:09,536 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:54:09,537 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:54:09,538 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:54:09,538 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_20d13c70-5877-4342-8d10-8951e0ce62a3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 08:54:09,549 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:54:09,550 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:54:09,550 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 08:54:09,550 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 08:54:09,551 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:54:09,551 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:54:09,551 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:54:09,551 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:54:09,552 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:54:09,552 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:54:09,552 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:54:09,552 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 08:54:09,552 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 08:54:09,552 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 08:54:09,552 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:54:09,553 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:54:09,553 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:54:09,553 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 08:54:09,553 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 08:54:09,553 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 08:54:09,553 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:54:09,553 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 08:54:09,554 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 08:54:09,554 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:54:09,554 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 08:54:09,554 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 08:54:09,554 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 08:54:09,554 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 08:54:09,554 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 08:54:09,555 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_20d13c70-5877-4342-8d10-8951e0ce62a3/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 -> 8c7c11659b56a65fd9b011a28c96b3117f33c316 [2018-11-18 08:54:09,580 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:54:09,589 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:54:09,592 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:54:09,594 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:54:09,594 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:54:09,595 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_20d13c70-5877-4342-8d10-8951e0ce62a3/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product45_true-unreach-call_false-termination.cil.c [2018-11-18 08:54:09,645 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_20d13c70-5877-4342-8d10-8951e0ce62a3/bin-2019/ukojak/data/07790e26d/dcbd361691b749949fb6be22ff6dfc50/FLAGaa202ea55 [2018-11-18 08:54:10,032 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:54:10,033 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_20d13c70-5877-4342-8d10-8951e0ce62a3/sv-benchmarks/c/product-lines/minepump_spec1_product45_true-unreach-call_false-termination.cil.c [2018-11-18 08:54:10,043 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_20d13c70-5877-4342-8d10-8951e0ce62a3/bin-2019/ukojak/data/07790e26d/dcbd361691b749949fb6be22ff6dfc50/FLAGaa202ea55 [2018-11-18 08:54:10,414 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_20d13c70-5877-4342-8d10-8951e0ce62a3/bin-2019/ukojak/data/07790e26d/dcbd361691b749949fb6be22ff6dfc50 [2018-11-18 08:54:10,417 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:54:10,418 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:54:10,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:54:10,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:54:10,421 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:54:10,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:54:10" (1/1) ... [2018-11-18 08:54:10,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5587dbd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:10, skipping insertion in model container [2018-11-18 08:54:10,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:54:10" (1/1) ... [2018-11-18 08:54:10,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:54:10,464 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:54:10,670 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:54:10,677 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:54:10,786 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:54:10,806 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:54:10,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:10 WrapperNode [2018-11-18 08:54:10,807 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:54:10,807 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:54:10,807 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:54:10,807 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:54:10,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:10" (1/1) ... [2018-11-18 08:54:10,824 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:10" (1/1) ... [2018-11-18 08:54:10,841 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:54:10,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:54:10,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:54:10,841 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:54:10,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:10" (1/1) ... [2018-11-18 08:54:10,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:10" (1/1) ... [2018-11-18 08:54:10,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:10" (1/1) ... [2018-11-18 08:54:10,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:10" (1/1) ... [2018-11-18 08:54:10,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:10" (1/1) ... [2018-11-18 08:54:10,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:10" (1/1) ... [2018-11-18 08:54:10,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:10" (1/1) ... [2018-11-18 08:54:10,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:54:10,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:54:10,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:54:10,862 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:54:10,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_20d13c70-5877-4342-8d10-8951e0ce62a3/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 08:54:10,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 08:54:10,904 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 08:54:10,904 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 08:54:10,904 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 08:54:10,904 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 08:54:10,904 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 08:54:10,904 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 08:54:10,904 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 08:54:10,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 08:54:10,904 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 08:54:10,905 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 08:54:10,905 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 08:54:10,905 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 08:54:10,905 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 08:54:10,905 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 08:54:10,905 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 08:54:10,905 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 08:54:10,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:54:10,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:54:11,677 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:54:11,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:54:11 BoogieIcfgContainer [2018-11-18 08:54:11,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:54:11,678 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 08:54:11,678 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 08:54:11,685 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 08:54:11,685 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:54:11" (1/1) ... [2018-11-18 08:54:11,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:54:11,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:54:11,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 65 states and 86 transitions. [2018-11-18 08:54:11,727 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 86 transitions. [2018-11-18 08:54:11,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 08:54:11,733 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:54:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:11,887 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 08:54:11,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:54:11,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 65 states and 83 transitions. [2018-11-18 08:54:11,898 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2018-11-18 08:54:11,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 08:54:11,899 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:54:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:11,967 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 08:54:12,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:54:12,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 68 states and 87 transitions. [2018-11-18 08:54:12,006 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 87 transitions. [2018-11-18 08:54:12,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 08:54:12,007 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:54:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:12,099 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 08:54:12,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:54:12,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 78 states and 105 transitions. [2018-11-18 08:54:12,244 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 105 transitions. [2018-11-18 08:54:12,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 08:54:12,245 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:54:12,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:12,293 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 08:54:12,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:54:12,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 79 states and 106 transitions. [2018-11-18 08:54:12,307 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 106 transitions. [2018-11-18 08:54:12,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 08:54:12,308 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:54:12,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:12,347 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 08:54:12,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:54:12,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 80 states and 107 transitions. [2018-11-18 08:54:12,355 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 107 transitions. [2018-11-18 08:54:12,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 08:54:12,357 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:54:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:12,444 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 08:54:12,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:54:12,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 93 states and 132 transitions. [2018-11-18 08:54:12,767 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2018-11-18 08:54:12,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 08:54:12,768 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:54:12,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:12,927 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 08:54:13,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:54:13,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 110 states and 165 transitions. [2018-11-18 08:54:13,625 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 165 transitions. [2018-11-18 08:54:13,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 08:54:13,627 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:54:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:13,664 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 08:54:13,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:54:13,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 111 states and 166 transitions. [2018-11-18 08:54:13,678 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 166 transitions. [2018-11-18 08:54:13,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 08:54:13,680 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:54:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:13,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:54:13,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:54:13,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 112 states and 167 transitions. [2018-11-18 08:54:13,735 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 167 transitions. [2018-11-18 08:54:13,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 08:54:13,736 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:54:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:13,814 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 08:54:14,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:54:14,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 121 states and 182 transitions. [2018-11-18 08:54:14,171 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 182 transitions. [2018-11-18 08:54:14,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 08:54:14,173 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:54:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:14,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 08:54:15,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:54:15,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 122 states and 181 transitions. [2018-11-18 08:54:15,053 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 181 transitions. [2018-11-18 08:54:15,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 08:54:15,054 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:54:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:15,119 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 08:54:15,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:54:15,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 129 states and 194 transitions. [2018-11-18 08:54:15,363 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 194 transitions. [2018-11-18 08:54:15,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 08:54:15,364 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:54:15,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:15,396 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 08:54:15,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:54:15,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 127 states and 190 transitions. [2018-11-18 08:54:15,426 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 190 transitions. [2018-11-18 08:54:15,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 08:54:15,427 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:54:15,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:15,451 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 08:54:15,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:54:15,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 129 states and 194 transitions. [2018-11-18 08:54:15,612 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 194 transitions. [2018-11-18 08:54:15,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 08:54:15,613 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:54:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:15,645 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 08:54:15,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:54:15,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 119 states and 176 transitions. [2018-11-18 08:54:15,805 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 176 transitions. [2018-11-18 08:54:15,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 08:54:15,807 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:54:15,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:15,841 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 08:54:16,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:54:16,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 126 states and 198 transitions. [2018-11-18 08:54:16,522 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 198 transitions. [2018-11-18 08:54:16,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 08:54:16,525 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:54:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:16,553 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 08:54:16,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:54:16,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 129 states and 201 transitions. [2018-11-18 08:54:16,743 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 201 transitions. [2018-11-18 08:54:16,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 08:54:16,745 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:54:16,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:16,972 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 08:54:17,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:54:17,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 134 states and 211 transitions. [2018-11-18 08:54:17,827 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 211 transitions. [2018-11-18 08:54:17,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 08:54:17,828 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:54:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:17,855 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 08:54:18,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:54:18,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 140 states and 218 transitions. [2018-11-18 08:54:18,550 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 218 transitions. [2018-11-18 08:54:18,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 08:54:18,551 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:54:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:18,596 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-18 08:54:18,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:54:18,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 142 states and 221 transitions. [2018-11-18 08:54:18,631 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 221 transitions. [2018-11-18 08:54:18,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-18 08:54:18,633 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:54:18,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:18,671 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-18 08:54:18,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:54:18,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 143 states and 222 transitions. [2018-11-18 08:54:18,710 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 222 transitions. [2018-11-18 08:54:18,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 08:54:18,711 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:54:18,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:18,747 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-18 08:54:18,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:54:18,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 136 states and 208 transitions. [2018-11-18 08:54:18,773 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 208 transitions. [2018-11-18 08:54:18,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 08:54:18,774 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:54:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:18,816 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 08:54:19,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:54:19,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 151 states and 234 transitions. [2018-11-18 08:54:19,305 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 234 transitions. [2018-11-18 08:54:19,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 08:54:19,306 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:54:19,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:19,329 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 08:54:19,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:54:19,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 154 states and 236 transitions. [2018-11-18 08:54:19,520 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 236 transitions. [2018-11-18 08:54:19,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-18 08:54:19,521 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:54:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:19,553 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 08:54:19,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:54:19,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 155 states and 237 transitions. [2018-11-18 08:54:19,578 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 237 transitions. [2018-11-18 08:54:19,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-18 08:54:19,579 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:54:19,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:19,813 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 08:54:20,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:54:20,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 154 states and 231 transitions. [2018-11-18 08:54:20,295 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 231 transitions. [2018-11-18 08:54:20,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 08:54:20,296 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:54:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:20,521 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 08:54:21,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:54:21,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 156 states and 232 transitions. [2018-11-18 08:54:21,389 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 232 transitions. [2018-11-18 08:54:21,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-18 08:54:21,390 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:54:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:21,412 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-18 08:54:21,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:54:21,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 161 states and 242 transitions. [2018-11-18 08:54:21,802 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 242 transitions. [2018-11-18 08:54:21,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-18 08:54:21,803 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:54:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:21,826 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-18 08:54:21,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:54:21,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 158 states and 236 transitions. [2018-11-18 08:54:21,855 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 236 transitions. [2018-11-18 08:54:21,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 08:54:21,856 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:54:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:21,886 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 08:54:21,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:54:21,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 160 states and 239 transitions. [2018-11-18 08:54:21,954 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 239 transitions. [2018-11-18 08:54:21,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-18 08:54:21,955 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:54:21,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:22,081 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 68 proven. 8 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 08:54:23,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:54:23,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 162 states and 240 transitions. [2018-11-18 08:54:23,069 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 240 transitions. [2018-11-18 08:54:23,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-18 08:54:23,070 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:54:23,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:23,131 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 68 proven. 8 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 08:54:23,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:54:23,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 123 states and 164 transitions. [2018-11-18 08:54:23,614 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 164 transitions. [2018-11-18 08:54:23,614 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 08:54:23,614 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 33 iterations. [2018-11-18 08:54:23,622 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 08:54:23,886 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-18 08:54:23,892 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-18 08:54:23,892 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 08:54:23,893 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 08:54:23,893 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-18 08:54:23,894 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 08:54:23,894 INFO L579 CodeCheckObserver]: Invariant with dag size 10 [2018-11-18 08:54:23,894 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 08:54:23,894 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 08:54:23,895 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-18 08:54:23,895 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 08:54:23,895 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 08:54:23,895 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-18 08:54:23,896 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 08:54:23,896 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 08:54:23,896 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 08:54:23,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 08:54:23 ImpRootNode [2018-11-18 08:54:23,896 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 08:54:23,897 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:54:23,897 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:54:23,897 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:54:23,900 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:54:11" (3/4) ... [2018-11-18 08:54:23,904 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 08:54:23,908 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 08:54:23,908 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 08:54:23,908 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 08:54:23,908 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 08:54:23,908 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 08:54:23,908 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 08:54:23,908 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 08:54:23,909 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 08:54:23,913 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2018-11-18 08:54:23,914 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 08:54:23,914 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 08:54:23,938 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || pumpRunning == \old(pumpRunning)) || systemActive == 0 [2018-11-18 08:54:23,939 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2018-11-18 08:54:23,939 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (tmp == methaneLevelCritical || (!(0 == pumpRunning) && !(tmp == 0))) || (!(pumpRunning == \old(pumpRunning)) && tmp == 0) [2018-11-18 08:54:23,939 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0 == methaneLevelCritical || !(pumpRunning == \old(pumpRunning))) || 0 == pumpRunning [2018-11-18 08:54:23,979 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_20d13c70-5877-4342-8d10-8951e0ce62a3/bin-2019/ukojak/witness.graphml [2018-11-18 08:54:23,979 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:54:23,980 INFO L168 Benchmark]: Toolchain (without parser) took 13562.63 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 531.6 MB). Free memory was 955.4 MB in the beginning and 1.0 GB in the end (delta: -60.6 MB). Peak memory consumption was 471.0 MB. Max. memory is 11.5 GB. [2018-11-18 08:54:23,981 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. [2018-11-18 08:54:23,981 INFO L168 Benchmark]: CACSL2BoogieTranslator took 387.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -166.2 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 08:54:23,982 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.87 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:54:23,982 INFO L168 Benchmark]: Boogie Preprocessor took 19.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:54:23,982 INFO L168 Benchmark]: RCFGBuilder took 816.27 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: 79.1 MB). Peak memory consumption was 79.1 MB. Max. memory is 11.5 GB. [2018-11-18 08:54:23,982 INFO L168 Benchmark]: CodeCheck took 12218.59 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 390.6 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 9.4 MB). Peak memory consumption was 400.0 MB. Max. memory is 11.5 GB. [2018-11-18 08:54:23,983 INFO L168 Benchmark]: Witness Printer took 82.59 ms. Allocated memory is still 1.6 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-18 08:54:23,984 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, 95 locations, 1 error locations. SAFE Result, 11.9s OverallTime, 33 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -294474936 SDtfs, 575517244 SDslu, -93317172 SDs, 0 SdLazy, 1452724428 SolverSat, 764666544 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16994 GetRequests, 16587 SyntacticMatches, 150 SemanticMatches, 257 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27260 ImplicationChecksByTransitivity, 9.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1903 NumberOfCodeBlocks, 1903 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 1871 ConstructedInterpolants, 0 QuantifiedInterpolants, 231741 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 32 InterpolantComputations, 23 PerfectInterpolantSequences, 982/1026 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: 145]: 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: 159]: Loop Invariant Derived loop invariant: (tmp == methaneLevelCritical || (!(0 == pumpRunning) && !(tmp == 0))) || (!(pumpRunning == \old(pumpRunning)) && tmp == 0) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical || !(pumpRunning == \old(pumpRunning))) || 0 == pumpRunning - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || pumpRunning == \old(pumpRunning)) || systemActive == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: tmp == methaneLevelCritical || (!(0 == methaneLevelCritical) && !(tmp == 0)) - InvariantResult [Line: 808]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 0 == pumpRunning) && tmp == systemActive) && tmp == 1 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 189]: 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 387.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -166.2 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.87 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 816.27 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: 79.1 MB). Peak memory consumption was 79.1 MB. Max. memory is 11.5 GB. * CodeCheck took 12218.59 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 390.6 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 9.4 MB). Peak memory consumption was 400.0 MB. Max. memory is 11.5 GB. * Witness Printer took 82.59 ms. Allocated memory is still 1.6 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...