./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product31_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_ed36572c-60a7-4a50-a32a-5fb4fbc2259a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ed36572c-60a7-4a50-a32a-5fb4fbc2259a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ed36572c-60a7-4a50-a32a-5fb4fbc2259a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ed36572c-60a7-4a50-a32a-5fb4fbc2259a/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product31_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ed36572c-60a7-4a50-a32a-5fb4fbc2259a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ed36572c-60a7-4a50-a32a-5fb4fbc2259a/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 e966d9b3bce12fee8fc2d0d68326680d997e6955 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 17:24:11,123 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:24:11,125 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:24:11,131 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:24:11,131 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:24:11,132 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:24:11,133 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:24:11,135 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:24:11,136 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:24:11,137 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:24:11,137 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:24:11,138 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:24:11,138 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:24:11,139 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:24:11,140 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:24:11,140 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:24:11,141 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:24:11,142 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:24:11,144 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:24:11,145 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:24:11,146 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:24:11,147 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:24:11,148 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:24:11,148 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:24:11,149 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:24:11,149 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:24:11,150 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:24:11,151 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:24:11,151 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:24:11,152 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:24:11,152 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:24:11,153 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:24:11,153 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:24:11,153 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:24:11,154 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:24:11,155 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:24:11,155 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ed36572c-60a7-4a50-a32a-5fb4fbc2259a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 17:24:11,165 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:24:11,166 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:24:11,166 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:24:11,166 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 17:24:11,167 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 17:24:11,167 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 17:24:11,167 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:24:11,167 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:24:11,168 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:24:11,168 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:24:11,168 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:24:11,168 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:24:11,168 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:24:11,168 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:24:11,168 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:24:11,169 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:24:11,169 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:24:11,169 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:24:11,169 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 17:24:11,169 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 17:24:11,169 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:24:11,169 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:24:11,170 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 17:24:11,170 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:24:11,170 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:24:11,170 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:24:11,170 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 17:24:11,170 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:24:11,170 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:24:11,171 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_ed36572c-60a7-4a50-a32a-5fb4fbc2259a/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 -> e966d9b3bce12fee8fc2d0d68326680d997e6955 [2018-11-18 17:24:11,194 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:24:11,202 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:24:11,205 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:24:11,206 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:24:11,206 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:24:11,207 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ed36572c-60a7-4a50-a32a-5fb4fbc2259a/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product31_true-unreach-call_false-termination.cil.c [2018-11-18 17:24:11,241 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ed36572c-60a7-4a50-a32a-5fb4fbc2259a/bin-2019/ukojak/data/e8c155731/b348137ab834451b92bb63a61e0f7276/FLAGe3c637678 [2018-11-18 17:24:11,679 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:24:11,679 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ed36572c-60a7-4a50-a32a-5fb4fbc2259a/sv-benchmarks/c/product-lines/minepump_spec4_product31_true-unreach-call_false-termination.cil.c [2018-11-18 17:24:11,687 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ed36572c-60a7-4a50-a32a-5fb4fbc2259a/bin-2019/ukojak/data/e8c155731/b348137ab834451b92bb63a61e0f7276/FLAGe3c637678 [2018-11-18 17:24:11,695 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ed36572c-60a7-4a50-a32a-5fb4fbc2259a/bin-2019/ukojak/data/e8c155731/b348137ab834451b92bb63a61e0f7276 [2018-11-18 17:24:11,697 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:24:11,698 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:24:11,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:24:11,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:24:11,702 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:24:11,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:24:11" (1/1) ... [2018-11-18 17:24:11,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345e74ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:11, skipping insertion in model container [2018-11-18 17:24:11,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:24:11" (1/1) ... [2018-11-18 17:24:11,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:24:11,740 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:24:11,928 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:24:11,936 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:24:12,039 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:24:12,061 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:24:12,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:12 WrapperNode [2018-11-18 17:24:12,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:24:12,062 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:24:12,062 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:24:12,062 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:24:12,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:12" (1/1) ... [2018-11-18 17:24:12,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:12" (1/1) ... [2018-11-18 17:24:12,101 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:24:12,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:24:12,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:24:12,102 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:24:12,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:12" (1/1) ... [2018-11-18 17:24:12,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:12" (1/1) ... [2018-11-18 17:24:12,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:12" (1/1) ... [2018-11-18 17:24:12,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:12" (1/1) ... [2018-11-18 17:24:12,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:12" (1/1) ... [2018-11-18 17:24:12,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:12" (1/1) ... [2018-11-18 17:24:12,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:12" (1/1) ... [2018-11-18 17:24:12,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:24:12,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:24:12,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:24:12,121 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:24:12,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ed36572c-60a7-4a50-a32a-5fb4fbc2259a/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 17:24:12,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:24:12,159 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 17:24:12,159 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 17:24:12,159 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 17:24:12,159 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 17:24:12,159 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 17:24:12,160 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 17:24:12,160 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 17:24:12,160 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 17:24:12,160 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 17:24:12,160 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 17:24:12,160 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 17:24:12,160 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 17:24:12,160 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 17:24:12,161 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 17:24:12,161 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 17:24:12,161 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 17:24:12,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:24:12,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:24:12,870 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:24:12,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:24:12 BoogieIcfgContainer [2018-11-18 17:24:12,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:24:12,871 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 17:24:12,871 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 17:24:12,878 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 17:24:12,879 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:24:12" (1/1) ... [2018-11-18 17:24:12,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:24:12,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:12,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 66 states and 90 transitions. [2018-11-18 17:24:12,917 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2018-11-18 17:24:12,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 17:24:12,920 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:13,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:13,081 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 17:24:13,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:13,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 66 states and 87 transitions. [2018-11-18 17:24:13,090 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 87 transitions. [2018-11-18 17:24:13,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 17:24:13,091 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:13,175 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 17:24:13,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:13,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 69 states and 91 transitions. [2018-11-18 17:24:13,215 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 91 transitions. [2018-11-18 17:24:13,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 17:24:13,216 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:13,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:13,314 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 17:24:13,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:13,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 80 states and 112 transitions. [2018-11-18 17:24:13,477 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 112 transitions. [2018-11-18 17:24:13,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 17:24:13,478 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:13,516 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 17:24:13,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:13,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 81 states and 113 transitions. [2018-11-18 17:24:13,522 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 113 transitions. [2018-11-18 17:24:13,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 17:24:13,523 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:13,561 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 17:24:13,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:13,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 82 states and 114 transitions. [2018-11-18 17:24:13,574 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 114 transitions. [2018-11-18 17:24:13,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 17:24:13,575 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:13,610 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 17:24:13,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:13,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 83 states and 115 transitions. [2018-11-18 17:24:13,621 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 115 transitions. [2018-11-18 17:24:13,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 17:24:13,622 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:13,705 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 17:24:14,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:14,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 100 states and 148 transitions. [2018-11-18 17:24:14,029 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 148 transitions. [2018-11-18 17:24:14,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 17:24:14,031 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:14,068 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 17:24:14,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:14,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 101 states and 149 transitions. [2018-11-18 17:24:14,078 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 149 transitions. [2018-11-18 17:24:14,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 17:24:14,080 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:14,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:14,120 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 17:24:14,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:14,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 102 states and 150 transitions. [2018-11-18 17:24:14,128 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 150 transitions. [2018-11-18 17:24:14,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 17:24:14,130 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:14,218 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 17:24:14,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:14,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 118 states and 187 transitions. [2018-11-18 17:24:14,847 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 187 transitions. [2018-11-18 17:24:14,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 17:24:14,848 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:14,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:14,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:24:14,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:14,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 119 states and 188 transitions. [2018-11-18 17:24:14,913 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 188 transitions. [2018-11-18 17:24:14,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 17:24:14,914 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:14,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:14,986 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 17:24:15,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:15,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 126 states and 207 transitions. [2018-11-18 17:24:15,151 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 207 transitions. [2018-11-18 17:24:15,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 17:24:15,151 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:15,170 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 17:24:15,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:15,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 128 states and 208 transitions. [2018-11-18 17:24:15,219 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 208 transitions. [2018-11-18 17:24:15,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 17:24:15,220 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:15,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:15,296 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 17:24:15,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:15,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 130 states and 213 transitions. [2018-11-18 17:24:15,428 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 213 transitions. [2018-11-18 17:24:15,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 17:24:15,429 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:15,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:15,468 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 17:24:15,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:15,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 128 states and 207 transitions. [2018-11-18 17:24:15,477 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 207 transitions. [2018-11-18 17:24:15,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 17:24:15,478 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:15,533 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 17:24:15,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:15,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 139 states and 232 transitions. [2018-11-18 17:24:15,880 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 232 transitions. [2018-11-18 17:24:15,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 17:24:15,881 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:15,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:15,907 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 17:24:16,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:16,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 140 states and 235 transitions. [2018-11-18 17:24:16,055 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 235 transitions. [2018-11-18 17:24:16,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 17:24:16,056 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:16,087 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 17:24:16,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:16,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 145 states and 244 transitions. [2018-11-18 17:24:16,215 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 244 transitions. [2018-11-18 17:24:16,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 17:24:16,216 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:16,242 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 17:24:16,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:16,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 146 states and 245 transitions. [2018-11-18 17:24:16,266 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 245 transitions. [2018-11-18 17:24:16,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 17:24:16,267 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:16,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:16,297 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 17:24:16,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:16,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 158 states and 284 transitions. [2018-11-18 17:24:16,716 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 284 transitions. [2018-11-18 17:24:16,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 17:24:16,717 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:16,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:16,737 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 17:24:16,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:16,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 161 states and 287 transitions. [2018-11-18 17:24:16,850 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 287 transitions. [2018-11-18 17:24:16,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 17:24:16,851 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:16,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:16,874 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 17:24:16,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:16,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 162 states and 288 transitions. [2018-11-18 17:24:16,911 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 288 transitions. [2018-11-18 17:24:16,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 17:24:16,912 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:16,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:16,937 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 17:24:16,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:16,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 163 states and 289 transitions. [2018-11-18 17:24:16,989 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 289 transitions. [2018-11-18 17:24:16,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 17:24:16,990 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:16,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:17,204 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:24:18,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:18,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 171 states and 312 transitions. [2018-11-18 17:24:18,270 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 312 transitions. [2018-11-18 17:24:18,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 17:24:18,271 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:18,291 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 17:24:18,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:18,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 172 states and 312 transitions. [2018-11-18 17:24:18,296 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 312 transitions. [2018-11-18 17:24:18,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 17:24:18,297 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:18,315 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 17:24:18,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:18,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 173 states and 313 transitions. [2018-11-18 17:24:18,324 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 313 transitions. [2018-11-18 17:24:18,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 17:24:18,324 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:18,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:18,342 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 17:24:18,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:18,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 174 states and 314 transitions. [2018-11-18 17:24:18,362 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 314 transitions. [2018-11-18 17:24:18,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 17:24:18,362 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:18,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:18,383 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 17:24:18,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:18,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 175 states and 311 transitions. [2018-11-18 17:24:18,555 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 311 transitions. [2018-11-18 17:24:18,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 17:24:18,555 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:18,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:18,581 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 17:24:18,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:18,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 178 states and 313 transitions. [2018-11-18 17:24:18,757 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 313 transitions. [2018-11-18 17:24:18,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 17:24:18,757 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:18,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:18,851 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 17:24:19,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:19,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 181 states and 320 transitions. [2018-11-18 17:24:19,544 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 320 transitions. [2018-11-18 17:24:19,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 17:24:19,545 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:19,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:19,615 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 17:24:19,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:19,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 183 states and 323 transitions. [2018-11-18 17:24:19,987 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 323 transitions. [2018-11-18 17:24:19,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 17:24:19,988 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:19,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:20,013 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 17:24:20,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:20,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 187 states and 330 transitions. [2018-11-18 17:24:20,047 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 330 transitions. [2018-11-18 17:24:20,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 17:24:20,048 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:20,096 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 17:24:20,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:20,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 190 states and 337 transitions. [2018-11-18 17:24:20,358 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 337 transitions. [2018-11-18 17:24:20,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 17:24:20,359 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:20,421 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 17:24:20,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:20,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 190 states and 333 transitions. [2018-11-18 17:24:20,599 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 333 transitions. [2018-11-18 17:24:20,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 17:24:20,600 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:20,682 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:24:21,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:21,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 158 states and 268 transitions. [2018-11-18 17:24:21,274 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 268 transitions. [2018-11-18 17:24:21,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 17:24:21,275 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:21,298 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 17:24:21,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:21,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 159 states and 268 transitions. [2018-11-18 17:24:21,321 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 268 transitions. [2018-11-18 17:24:21,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 17:24:21,322 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:21,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:21,339 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 17:24:21,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:21,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 157 states and 264 transitions. [2018-11-18 17:24:21,357 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 264 transitions. [2018-11-18 17:24:21,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 17:24:21,357 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:21,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:21,374 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 17:24:21,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:21,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 154 states and 258 transitions. [2018-11-18 17:24:21,405 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 258 transitions. [2018-11-18 17:24:21,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 17:24:21,406 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:21,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:21,421 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:24:21,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:21,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 160 states and 272 transitions. [2018-11-18 17:24:21,975 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 272 transitions. [2018-11-18 17:24:21,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 17:24:21,976 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:21,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:22,002 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 17:24:22,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:22,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 101 states and 144 transitions. [2018-11-18 17:24:22,028 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2018-11-18 17:24:22,029 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:24:22,030 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 41 iterations. [2018-11-18 17:24:22,039 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 17:24:22,233 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:24:22,235 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:24:22,235 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:24:22,235 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:24:22,235 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-18 17:24:22,238 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:24:22,238 INFO L579 CodeCheckObserver]: Invariant with dag size 18 [2018-11-18 17:24:22,239 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:24:22,239 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:24:22,239 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:24:22,239 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:24:22,239 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:24:22,240 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:24:22,240 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:24:22,240 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:24:22,240 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:24:22,240 INFO L579 CodeCheckObserver]: Invariant with dag size 10 [2018-11-18 17:24:22,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 05:24:22 ImpRootNode [2018-11-18 17:24:22,241 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 17:24:22,241 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:24:22,241 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:24:22,241 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:24:22,242 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:24:12" (3/4) ... [2018-11-18 17:24:22,245 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:24:22,249 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 17:24:22,249 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 17:24:22,249 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 17:24:22,249 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 17:24:22,249 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 17:24:22,249 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 17:24:22,249 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 17:24:22,249 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 17:24:22,254 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2018-11-18 17:24:22,255 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 17:24:22,255 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 17:24:22,277 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning) || !(0 == pumpRunning)) || ((!(1 == waterLevel) && !(0 == systemActive)) && \old(pumpRunning) == pumpRunning) [2018-11-18 17:24:22,277 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(pumpRunning) == pumpRunning [2018-11-18 17:24:22,311 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ed36572c-60a7-4a50-a32a-5fb4fbc2259a/bin-2019/ukojak/witness.graphml [2018-11-18 17:24:22,312 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:24:22,312 INFO L168 Benchmark]: Toolchain (without parser) took 10614.44 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 388.0 MB). Free memory was 956.4 MB in the beginning and 1.0 GB in the end (delta: -57.2 MB). Peak memory consumption was 330.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:24:22,313 INFO L168 Benchmark]: CDTParser took 0.10 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 17:24:22,313 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -188.5 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 17:24:22,313 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.84 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:24:22,314 INFO L168 Benchmark]: Boogie Preprocessor took 18.87 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 17:24:22,314 INFO L168 Benchmark]: RCFGBuilder took 750.07 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: 79.4 MB). Peak memory consumption was 79.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:24:22,314 INFO L168 Benchmark]: CodeCheck took 9369.73 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 223.9 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 38.3 MB). Peak memory consumption was 262.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:24:22,314 INFO L168 Benchmark]: Witness Printer took 70.39 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. [2018-11-18 17:24:22,315 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, 92 locations, 1 error locations. SAFE Result, 9.1s OverallTime, 41 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1602850864 SDtfs, -1871104008 SDslu, -1534945528 SDs, 0 SdLazy, 1316694368 SolverSat, -1488807216 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14409 GetRequests, 13953 SyntacticMatches, 220 SemanticMatches, 236 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27547 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1429 NumberOfCodeBlocks, 1429 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 1389 ConstructedInterpolants, 0 QuantifiedInterpolants, 132457 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 40 InterpolantComputations, 34 PerfectInterpolantSequences, 378/403 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: 952]: 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: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: \old(pumpRunning) == pumpRunning - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: ((\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning) || !(0 == pumpRunning)) || ((!(1 == waterLevel) && !(0 == systemActive)) && \old(pumpRunning) == pumpRunning) - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: (tmp == systemActive && 0 == pumpRunning) && 1 == waterLevel * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 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 362.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -188.5 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.84 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.87 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 750.07 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: 79.4 MB). Peak memory consumption was 79.4 MB. Max. memory is 11.5 GB. * CodeCheck took 9369.73 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 223.9 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 38.3 MB). Peak memory consumption was 262.1 MB. Max. memory is 11.5 GB. * Witness Printer took 70.39 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...