./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product06_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f3094763-fd35-4107-b638-c698a5cf05d7/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f3094763-fd35-4107-b638-c698a5cf05d7/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f3094763-fd35-4107-b638-c698a5cf05d7/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f3094763-fd35-4107-b638-c698a5cf05d7/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product06_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f3094763-fd35-4107-b638-c698a5cf05d7/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f3094763-fd35-4107-b638-c698a5cf05d7/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b261f373c94d4201e773fd055c7f1efffffc1032 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 03:43:14,187 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:43:14,188 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:43:14,194 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:43:14,194 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:43:14,195 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:43:14,196 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:43:14,197 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:43:14,198 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:43:14,199 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:43:14,200 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:43:14,200 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:43:14,200 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:43:14,201 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:43:14,201 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:43:14,202 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:43:14,202 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:43:14,203 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:43:14,204 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:43:14,205 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:43:14,206 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:43:14,207 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:43:14,208 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:43:14,208 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:43:14,209 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:43:14,209 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:43:14,210 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:43:14,210 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:43:14,211 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:43:14,211 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:43:14,212 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:43:14,212 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:43:14,212 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:43:14,212 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:43:14,213 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:43:14,214 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:43:14,214 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f3094763-fd35-4107-b638-c698a5cf05d7/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 03:43:14,221 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:43:14,221 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:43:14,222 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:43:14,222 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 03:43:14,222 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 03:43:14,222 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 03:43:14,222 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 03:43:14,222 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:43:14,223 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:43:14,223 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:43:14,223 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:43:14,223 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:43:14,223 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:43:14,223 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:43:14,223 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:43:14,223 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:43:14,223 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:43:14,224 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:43:14,224 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:43:14,224 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:43:14,224 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 03:43:14,224 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:43:14,224 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 03:43:14,224 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:43:14,224 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:43:14,224 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:43:14,225 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:43:14,225 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 03:43:14,225 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:43:14,225 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 03:43:14,225 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_f3094763-fd35-4107-b638-c698a5cf05d7/bin-2019/uautomizer 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 -> Automizer 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 -> b261f373c94d4201e773fd055c7f1efffffc1032 [2018-11-23 03:43:14,248 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:43:14,257 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:43:14,259 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:43:14,260 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:43:14,260 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:43:14,261 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f3094763-fd35-4107-b638-c698a5cf05d7/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product06_true-unreach-call_false-termination.cil.c [2018-11-23 03:43:14,298 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f3094763-fd35-4107-b638-c698a5cf05d7/bin-2019/uautomizer/data/b53264b3d/309fa4ea356542d799f7f4e8837014c5/FLAG335e84895 [2018-11-23 03:43:14,734 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:43:14,734 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f3094763-fd35-4107-b638-c698a5cf05d7/sv-benchmarks/c/product-lines/minepump_spec4_product06_true-unreach-call_false-termination.cil.c [2018-11-23 03:43:14,744 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f3094763-fd35-4107-b638-c698a5cf05d7/bin-2019/uautomizer/data/b53264b3d/309fa4ea356542d799f7f4e8837014c5/FLAG335e84895 [2018-11-23 03:43:14,755 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f3094763-fd35-4107-b638-c698a5cf05d7/bin-2019/uautomizer/data/b53264b3d/309fa4ea356542d799f7f4e8837014c5 [2018-11-23 03:43:14,757 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:43:14,757 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:43:14,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:43:14,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:43:14,760 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:43:14,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:43:14" (1/1) ... [2018-11-23 03:43:14,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff9ad9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:14, skipping insertion in model container [2018-11-23 03:43:14,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:43:14" (1/1) ... [2018-11-23 03:43:14,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:43:14,799 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:43:14,997 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:43:15,006 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:43:15,101 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:43:15,121 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:43:15,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:15 WrapperNode [2018-11-23 03:43:15,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:43:15,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:43:15,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:43:15,122 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:43:15,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:15" (1/1) ... [2018-11-23 03:43:15,137 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:15" (1/1) ... [2018-11-23 03:43:15,143 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:43:15,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:43:15,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:43:15,143 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:43:15,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:15" (1/1) ... [2018-11-23 03:43:15,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:15" (1/1) ... [2018-11-23 03:43:15,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:15" (1/1) ... [2018-11-23 03:43:15,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:15" (1/1) ... [2018-11-23 03:43:15,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:15" (1/1) ... [2018-11-23 03:43:15,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:15" (1/1) ... [2018-11-23 03:43:15,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:15" (1/1) ... [2018-11-23 03:43:15,170 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:43:15,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:43:15,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:43:15,171 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:43:15,171 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f3094763-fd35-4107-b638-c698a5cf05d7/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2018-11-23 03:43:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 03:43:15,206 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 03:43:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-23 03:43:15,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-23 03:43:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 03:43:15,207 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 03:43:15,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 03:43:15,207 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 03:43:15,207 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 03:43:15,207 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 03:43:15,207 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 03:43:15,207 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 03:43:15,207 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 03:43:15,207 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 03:43:15,207 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 03:43:15,207 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 03:43:15,207 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 03:43:15,208 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 03:43:15,208 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 03:43:15,208 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 03:43:15,208 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 03:43:15,208 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 03:43:15,208 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 03:43:15,208 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 03:43:15,208 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 03:43:15,208 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 03:43:15,208 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 03:43:15,209 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 03:43:15,209 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 03:43:15,209 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 03:43:15,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 03:43:15,209 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 03:43:15,209 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 03:43:15,209 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 03:43:15,209 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 03:43:15,209 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 03:43:15,210 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 03:43:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 03:43:15,210 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 03:43:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 03:43:15,210 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 03:43:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 03:43:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 03:43:15,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 03:43:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 03:43:15,211 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 03:43:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 03:43:15,211 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 03:43:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:43:15,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:43:15,574 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:43:15,577 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 03:43:15,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:43:15 BoogieIcfgContainer [2018-11-23 03:43:15,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:43:15,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 03:43:15,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 03:43:15,581 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 03:43:15,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:43:14" (1/3) ... [2018-11-23 03:43:15,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fc9e40c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:43:15, skipping insertion in model container [2018-11-23 03:43:15,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:15" (2/3) ... [2018-11-23 03:43:15,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fc9e40c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:43:15, skipping insertion in model container [2018-11-23 03:43:15,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:43:15" (3/3) ... [2018-11-23 03:43:15,584 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product06_true-unreach-call_false-termination.cil.c [2018-11-23 03:43:15,592 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 03:43:15,598 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 03:43:15,611 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 03:43:15,635 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 03:43:15,635 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 03:43:15,635 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 03:43:15,635 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 03:43:15,635 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 03:43:15,635 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 03:43:15,636 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 03:43:15,636 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 03:43:15,636 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 03:43:15,650 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states. [2018-11-23 03:43:15,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 03:43:15,656 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:43:15,656 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:43:15,658 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:43:15,662 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:43:15,662 INFO L82 PathProgramCache]: Analyzing trace with hash -1470272802, now seen corresponding path program 1 times [2018-11-23 03:43:15,663 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:43:15,663 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:43:15,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:43:15,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:43:15,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:43:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:43:15,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:43:15,841 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:43:15,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 03:43:15,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 03:43:15,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 03:43:15,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 03:43:15,853 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 2 states. [2018-11-23 03:43:15,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:43:15,877 INFO L93 Difference]: Finished difference Result 212 states and 261 transitions. [2018-11-23 03:43:15,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 03:43:15,878 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 03:43:15,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:43:15,886 INFO L225 Difference]: With dead ends: 212 [2018-11-23 03:43:15,886 INFO L226 Difference]: Without dead ends: 106 [2018-11-23 03:43:15,889 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 03:43:15,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-11-23 03:43:15,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-11-23 03:43:15,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-11-23 03:43:15,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2018-11-23 03:43:15,922 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 46 [2018-11-23 03:43:15,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:43:15,923 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2018-11-23 03:43:15,923 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 03:43:15,923 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2018-11-23 03:43:15,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 03:43:15,925 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:43:15,925 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:43:15,925 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:43:15,926 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:43:15,926 INFO L82 PathProgramCache]: Analyzing trace with hash -444386040, now seen corresponding path program 1 times [2018-11-23 03:43:15,926 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:43:15,926 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:43:15,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:43:15,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:43:15,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:43:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:43:16,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:43:16,013 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:43:16,013 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 03:43:16,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:43:16,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:43:16,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:43:16,015 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 3 states. [2018-11-23 03:43:16,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:43:16,031 INFO L93 Difference]: Finished difference Result 157 states and 179 transitions. [2018-11-23 03:43:16,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:43:16,031 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 03:43:16,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:43:16,032 INFO L225 Difference]: With dead ends: 157 [2018-11-23 03:43:16,033 INFO L226 Difference]: Without dead ends: 97 [2018-11-23 03:43:16,033 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:43:16,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-11-23 03:43:16,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-11-23 03:43:16,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-11-23 03:43:16,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 110 transitions. [2018-11-23 03:43:16,043 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 110 transitions. Word has length 47 [2018-11-23 03:43:16,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:43:16,044 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 110 transitions. [2018-11-23 03:43:16,044 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:43:16,044 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 110 transitions. [2018-11-23 03:43:16,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 03:43:16,045 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:43:16,045 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:43:16,045 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:43:16,046 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:43:16,046 INFO L82 PathProgramCache]: Analyzing trace with hash -780536263, now seen corresponding path program 1 times [2018-11-23 03:43:16,046 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:43:16,046 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:43:16,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:43:16,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:43:16,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:43:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:43:16,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:43:16,129 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:43:16,130 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 03:43:16,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:43:16,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:43:16,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:43:16,131 INFO L87 Difference]: Start difference. First operand 97 states and 110 transitions. Second operand 3 states. [2018-11-23 03:43:16,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:43:16,160 INFO L93 Difference]: Finished difference Result 170 states and 197 transitions. [2018-11-23 03:43:16,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:43:16,161 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 03:43:16,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:43:16,162 INFO L225 Difference]: With dead ends: 170 [2018-11-23 03:43:16,162 INFO L226 Difference]: Without dead ends: 97 [2018-11-23 03:43:16,163 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:43:16,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-11-23 03:43:16,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-11-23 03:43:16,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-11-23 03:43:16,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 109 transitions. [2018-11-23 03:43:16,172 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 109 transitions. Word has length 52 [2018-11-23 03:43:16,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:43:16,172 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 109 transitions. [2018-11-23 03:43:16,172 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:43:16,172 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 109 transitions. [2018-11-23 03:43:16,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 03:43:16,174 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:43:16,174 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:43:16,174 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:43:16,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:43:16,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1024878044, now seen corresponding path program 1 times [2018-11-23 03:43:16,175 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:43:16,175 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:43:16,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:43:16,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:43:16,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:43:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:43:16,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:43:16,323 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:43:16,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 03:43:16,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 03:43:16,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 03:43:16,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 03:43:16,324 INFO L87 Difference]: Start difference. First operand 97 states and 109 transitions. Second operand 10 states. [2018-11-23 03:43:16,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:43:16,666 INFO L93 Difference]: Finished difference Result 296 states and 357 transitions. [2018-11-23 03:43:16,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 03:43:16,666 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2018-11-23 03:43:16,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:43:16,669 INFO L225 Difference]: With dead ends: 296 [2018-11-23 03:43:16,669 INFO L226 Difference]: Without dead ends: 223 [2018-11-23 03:43:16,670 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-23 03:43:16,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2018-11-23 03:43:16,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 219. [2018-11-23 03:43:16,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-11-23 03:43:16,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 255 transitions. [2018-11-23 03:43:16,693 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 255 transitions. Word has length 60 [2018-11-23 03:43:16,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:43:16,694 INFO L480 AbstractCegarLoop]: Abstraction has 219 states and 255 transitions. [2018-11-23 03:43:16,694 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 03:43:16,694 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 255 transitions. [2018-11-23 03:43:16,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 03:43:16,696 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:43:16,696 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:43:16,696 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:43:16,696 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:43:16,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1944926198, now seen corresponding path program 1 times [2018-11-23 03:43:16,697 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:43:16,697 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:43:16,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:43:16,698 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:43:16,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:43:16,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:43:16,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:43:16,770 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:43:16,770 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 03:43:16,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:43:16,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:43:16,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:43:16,771 INFO L87 Difference]: Start difference. First operand 219 states and 255 transitions. Second operand 3 states. [2018-11-23 03:43:16,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:43:16,785 INFO L93 Difference]: Finished difference Result 356 states and 424 transitions. [2018-11-23 03:43:16,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:43:16,786 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2018-11-23 03:43:16,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:43:16,787 INFO L225 Difference]: With dead ends: 356 [2018-11-23 03:43:16,788 INFO L226 Difference]: Without dead ends: 161 [2018-11-23 03:43:16,789 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:43:16,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-11-23 03:43:16,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-11-23 03:43:16,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-11-23 03:43:16,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 179 transitions. [2018-11-23 03:43:16,802 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 179 transitions. Word has length 64 [2018-11-23 03:43:16,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:43:16,803 INFO L480 AbstractCegarLoop]: Abstraction has 161 states and 179 transitions. [2018-11-23 03:43:16,803 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:43:16,803 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 179 transitions. [2018-11-23 03:43:16,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-23 03:43:16,805 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:43:16,805 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:43:16,805 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:43:16,805 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:43:16,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1619105206, now seen corresponding path program 1 times [2018-11-23 03:43:16,806 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:43:16,806 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:43:16,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:43:16,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:43:16,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:43:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:43:16,912 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 03:43:16,912 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:43:16,912 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f3094763-fd35-4107-b638-c698a5cf05d7/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:43:16,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:43:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:43:17,010 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:43:17,091 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 03:43:17,107 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 03:43:17,108 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-23 03:43:17,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 03:43:17,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 03:43:17,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-11-23 03:43:17,109 INFO L87 Difference]: Start difference. First operand 161 states and 179 transitions. Second operand 12 states. [2018-11-23 03:43:17,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:43:17,416 INFO L93 Difference]: Finished difference Result 207 states and 231 transitions. [2018-11-23 03:43:17,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 03:43:17,417 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 100 [2018-11-23 03:43:17,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:43:17,417 INFO L225 Difference]: With dead ends: 207 [2018-11-23 03:43:17,417 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 03:43:17,418 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-11-23 03:43:17,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 03:43:17,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 03:43:17,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 03:43:17,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 03:43:17,418 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2018-11-23 03:43:17,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:43:17,418 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 03:43:17,418 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 03:43:17,419 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 03:43:17,419 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 03:43:17,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 03:43:18,402 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 327 334) the Hoare annotation is: true [2018-11-23 03:43:18,403 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 327 334) no Hoare annotation was computed. [2018-11-23 03:43:18,403 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 327 334) no Hoare annotation was computed. [2018-11-23 03:43:18,403 INFO L444 ceAbstractionStarter]: At program point L313(line 313) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-23 03:43:18,403 INFO L448 ceAbstractionStarter]: For program point L313-1(lines 294 318) no Hoare annotation was computed. [2018-11-23 03:43:18,403 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 294 318) no Hoare annotation was computed. [2018-11-23 03:43:18,403 INFO L444 ceAbstractionStarter]: At program point L308(line 308) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-23 03:43:18,403 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 294 318) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-23 03:43:18,404 INFO L444 ceAbstractionStarter]: At program point L304(line 304) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-23 03:43:18,404 INFO L448 ceAbstractionStarter]: For program point L302(lines 302 310) no Hoare annotation was computed. [2018-11-23 03:43:18,404 INFO L444 ceAbstractionStarter]: At program point L300(line 300) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-23 03:43:18,404 INFO L448 ceAbstractionStarter]: For program point L300-1(line 300) no Hoare annotation was computed. [2018-11-23 03:43:18,404 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 315) no Hoare annotation was computed. [2018-11-23 03:43:18,404 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 851 857) the Hoare annotation is: true [2018-11-23 03:43:18,404 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 851 857) no Hoare annotation was computed. [2018-11-23 03:43:18,404 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 286 292) no Hoare annotation was computed. [2018-11-23 03:43:18,404 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 286 292) the Hoare annotation is: true [2018-11-23 03:43:18,404 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 858 866) no Hoare annotation was computed. [2018-11-23 03:43:18,404 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 858 866) the Hoare annotation is: true [2018-11-23 03:43:18,404 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 858 866) no Hoare annotation was computed. [2018-11-23 03:43:18,405 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 452) no Hoare annotation was computed. [2018-11-23 03:43:18,405 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 400 465) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:43:18,405 INFO L444 ceAbstractionStarter]: At program point L448-2(lines 440 453) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:43:18,405 INFO L448 ceAbstractionStarter]: For program point L411(lines 410 457) no Hoare annotation was computed. [2018-11-23 03:43:18,405 INFO L444 ceAbstractionStarter]: At program point L442(line 442) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:43:18,405 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 453) no Hoare annotation was computed. [2018-11-23 03:43:18,405 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 400 465) no Hoare annotation was computed. [2018-11-23 03:43:18,405 INFO L444 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:43:18,405 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 436) no Hoare annotation was computed. [2018-11-23 03:43:18,405 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2018-11-23 03:43:18,406 INFO L444 ceAbstractionStarter]: At program point L455(lines 410 457) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:43:18,406 INFO L444 ceAbstractionStarter]: At program point L422(line 422) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:43:18,406 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 426) no Hoare annotation was computed. [2018-11-23 03:43:18,406 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 420 426) no Hoare annotation was computed. [2018-11-23 03:43:18,406 INFO L448 ceAbstractionStarter]: For program point L412(lines 412 416) no Hoare annotation was computed. [2018-11-23 03:43:18,406 INFO L444 ceAbstractionStarter]: At program point L458(lines 409 459) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:43:18,406 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 400 465) no Hoare annotation was computed. [2018-11-23 03:43:18,406 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 230 254) the Hoare annotation is: true [2018-11-23 03:43:18,406 INFO L444 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 (< ~waterLevel~0 2)))) [2018-11-23 03:43:18,406 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 230 254) no Hoare annotation was computed. [2018-11-23 03:43:18,407 INFO L448 ceAbstractionStarter]: For program point L242(lines 242 248) no Hoare annotation was computed. [2018-11-23 03:43:18,407 INFO L444 ceAbstractionStarter]: At program point L240(line 240) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 (< ~waterLevel~0 2)))) [2018-11-23 03:43:18,407 INFO L448 ceAbstractionStarter]: For program point L240-1(line 240) no Hoare annotation was computed. [2018-11-23 03:43:18,407 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 251) no Hoare annotation was computed. [2018-11-23 03:43:18,407 INFO L448 ceAbstractionStarter]: For program point L238-1(lines 230 254) no Hoare annotation was computed. [2018-11-23 03:43:18,407 INFO L451 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: true [2018-11-23 03:43:18,407 INFO L448 ceAbstractionStarter]: For program point L236-1(line 236) no Hoare annotation was computed. [2018-11-23 03:43:18,407 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-11-23 03:43:18,407 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-11-23 03:43:18,407 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:43:18,407 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:43:18,408 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:43:18,408 INFO L444 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:43:18,408 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-11-23 03:43:18,408 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-11-23 03:43:18,408 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0)) (= main_~tmp~0 ~waterLevel~0))) [2018-11-23 03:43:18,408 INFO L444 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0)) (= main_~tmp~0 ~waterLevel~0))) [2018-11-23 03:43:18,408 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-11-23 03:43:18,408 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 346 354) no Hoare annotation was computed. [2018-11-23 03:43:18,408 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 346 354) the Hoare annotation is: true [2018-11-23 03:43:18,408 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 346 354) no Hoare annotation was computed. [2018-11-23 03:43:18,408 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:43:18,408 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-23 03:43:18,409 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:43:18,409 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 218 226) the Hoare annotation is: true [2018-11-23 03:43:18,409 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 218 226) no Hoare annotation was computed. [2018-11-23 03:43:18,409 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 218 226) no Hoare annotation was computed. [2018-11-23 03:43:18,409 INFO L448 ceAbstractionStarter]: For program point L178-1(lines 174 185) no Hoare annotation was computed. [2018-11-23 03:43:18,409 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 174 185) the Hoare annotation is: true [2018-11-23 03:43:18,409 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 174 185) no Hoare annotation was computed. [2018-11-23 03:43:18,409 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 186 194) the Hoare annotation is: true [2018-11-23 03:43:18,409 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 186 194) no Hoare annotation was computed. [2018-11-23 03:43:18,409 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 186 194) no Hoare annotation was computed. [2018-11-23 03:43:18,410 INFO L444 ceAbstractionStarter]: At program point L275(line 275) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0))) (and (or (and .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 .cse2 (< |old(~waterLevel~0)| 2)) (or .cse1 (and .cse0 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-23 03:43:18,410 INFO L444 ceAbstractionStarter]: At program point L273(lines 273 279) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0))) (and (or (and .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 .cse2 (< |old(~waterLevel~0)| 2)) (or .cse1 (and .cse0 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-23 03:43:18,410 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 262 285) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0))) (and (or (and .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 .cse2 (< |old(~waterLevel~0)| 2)) (or .cse1 (and .cse0 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-23 03:43:18,411 INFO L444 ceAbstractionStarter]: At program point L268(line 268) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 .cse1 (< |old(~waterLevel~0)| 2)))) [2018-11-23 03:43:18,411 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 262 285) no Hoare annotation was computed. [2018-11-23 03:43:18,411 INFO L448 ceAbstractionStarter]: For program point L266(lines 265 284) no Hoare annotation was computed. [2018-11-23 03:43:18,411 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 262 285) no Hoare annotation was computed. [2018-11-23 03:43:18,411 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-23 03:43:18,411 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-23 03:43:18,411 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-23 03:43:18,411 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-23 03:43:18,411 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-23 03:43:18,411 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-23 03:43:18,411 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-11-23 03:43:18,412 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-23 03:43:18,412 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-23 03:43:18,412 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-23 03:43:18,412 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 150 161) the Hoare annotation is: true [2018-11-23 03:43:18,412 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 150 161) no Hoare annotation was computed. [2018-11-23 03:43:18,412 INFO L448 ceAbstractionStarter]: For program point L154-1(lines 150 161) no Hoare annotation was computed. [2018-11-23 03:43:18,412 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 844 850) no Hoare annotation was computed. [2018-11-23 03:43:18,412 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 844 850) the Hoare annotation is: true [2018-11-23 03:43:18,412 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-23 03:43:18,412 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-23 03:43:18,412 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:43:18,412 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) [2018-11-23 03:43:18,412 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 03:43:18,413 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:43:18,413 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 391 398) no Hoare annotation was computed. [2018-11-23 03:43:18,413 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 391 398) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= |old(~systemActive~0)| 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse0 .cse2 (< ~waterLevel~0 2)))) [2018-11-23 03:43:18,413 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 391 398) no Hoare annotation was computed. [2018-11-23 03:43:18,413 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 162 173) no Hoare annotation was computed. [2018-11-23 03:43:18,413 INFO L448 ceAbstractionStarter]: For program point L166-1(lines 162 173) no Hoare annotation was computed. [2018-11-23 03:43:18,413 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 162 173) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (or .cse0 (= ~waterLevel~0 1) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-23 03:43:18,413 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 868 875) no Hoare annotation was computed. [2018-11-23 03:43:18,415 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 872) no Hoare annotation was computed. [2018-11-23 03:43:18,415 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 868 875) the Hoare annotation is: true [2018-11-23 03:43:18,415 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 868 875) no Hoare annotation was computed. [2018-11-23 03:43:18,415 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:43:18,415 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-11-23 03:43:18,415 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-11-23 03:43:18,416 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 335 345) the Hoare annotation is: true [2018-11-23 03:43:18,416 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 335 345) no Hoare annotation was computed. [2018-11-23 03:43:18,416 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 335 345) no Hoare annotation was computed. [2018-11-23 03:43:18,416 INFO L451 ceAbstractionStarter]: At program point L340(line 340) the Hoare annotation is: true [2018-11-23 03:43:18,416 INFO L448 ceAbstractionStarter]: For program point L340-1(line 340) no Hoare annotation was computed. [2018-11-23 03:43:18,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:43:18 BoogieIcfgContainer [2018-11-23 03:43:18,425 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 03:43:18,425 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:43:18,425 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:43:18,425 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:43:18,426 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:43:15" (3/4) ... [2018-11-23 03:43:18,429 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 03:43:18,434 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 03:43:18,434 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 03:43:18,434 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 03:43:18,434 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 03:43:18,434 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 03:43:18,434 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 03:43:18,435 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-23 03:43:18,435 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 03:43:18,435 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 03:43:18,435 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 03:43:18,435 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 03:43:18,435 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 03:43:18,435 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 03:43:18,435 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 03:43:18,435 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 03:43:18,435 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 03:43:18,435 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 03:43:18,435 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 03:43:18,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 03:43:18,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 03:43:18,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 03:43:18,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 03:43:18,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 03:43:18,442 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-23 03:43:18,442 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 03:43:18,442 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 03:43:18,443 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 03:43:18,443 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 03:43:18,443 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 03:43:18,443 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 03:43:18,466 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && !(systemActive == 0)) && \old(waterLevel) <= waterLevel) && splverifierCounter == 0)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) [2018-11-23 03:43:18,466 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) [2018-11-23 03:43:18,493 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f3094763-fd35-4107-b638-c698a5cf05d7/bin-2019/uautomizer/witness.graphml [2018-11-23 03:43:18,493 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:43:18,494 INFO L168 Benchmark]: Toolchain (without parser) took 3737.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 193.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -131.3 MB). Peak memory consumption was 62.2 MB. Max. memory is 11.5 GB. [2018-11-23 03:43:18,495 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:43:18,495 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -171.8 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:43:18,496 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:43:18,496 INFO L168 Benchmark]: Boogie Preprocessor took 27.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:43:18,496 INFO L168 Benchmark]: RCFGBuilder took 407.66 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: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2018-11-23 03:43:18,496 INFO L168 Benchmark]: TraceAbstraction took 2846.34 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 56.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -16.4 MB). Peak memory consumption was 213.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:43:18,497 INFO L168 Benchmark]: Witness Printer took 68.33 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: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 11.5 GB. [2018-11-23 03:43:18,498 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 363.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -171.8 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 407.66 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: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2846.34 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 56.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -16.4 MB). Peak memory consumption was 213.7 MB. Max. memory is 11.5 GB. * Witness Printer took 68.33 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: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 872]: 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && !(systemActive == 0)) && \old(waterLevel) <= waterLevel) && splverifierCounter == 0)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 119 locations, 1 error locations. SAFE Result, 2.7s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 653 SDtfs, 475 SDslu, 1079 SDs, 0 SdLazy, 712 SolverSat, 142 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 164 GetRequests, 128 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=219occurred in iteration=4, traceCheckStatistics: No data available, 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: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 290 PreInvPairs, 305 NumberOfFragments, 765 HoareAnnotationTreeSize, 290 FomulaSimplifications, 23 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 51 FomulaSimplificationsInter, 1103 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 469 NumberOfCodeBlocks, 469 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 462 ConstructedInterpolants, 0 QuantifiedInterpolants, 69223 SizeOfPredicates, 3 NumberOfNonLiveVariables, 746 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 58/64 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...