./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product21_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_a283a381-54cf-49e5-90a7-6ae1be78fbb7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a283a381-54cf-49e5-90a7-6ae1be78fbb7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a283a381-54cf-49e5-90a7-6ae1be78fbb7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a283a381-54cf-49e5-90a7-6ae1be78fbb7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product21_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a283a381-54cf-49e5-90a7-6ae1be78fbb7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a283a381-54cf-49e5-90a7-6ae1be78fbb7/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8ca334e090ac37635ea5e20a191b6f0bec293495 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 14:07:12,215 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:07:12,216 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:07:12,223 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:07:12,223 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:07:12,224 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:07:12,225 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:07:12,226 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:07:12,227 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:07:12,227 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:07:12,228 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:07:12,228 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:07:12,228 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:07:12,229 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:07:12,230 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:07:12,230 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:07:12,231 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:07:12,232 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:07:12,233 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:07:12,234 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:07:12,235 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:07:12,235 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:07:12,237 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:07:12,237 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:07:12,237 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:07:12,238 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:07:12,238 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:07:12,239 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:07:12,239 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:07:12,240 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:07:12,240 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:07:12,241 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:07:12,241 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:07:12,241 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:07:12,241 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:07:12,242 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:07:12,242 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a283a381-54cf-49e5-90a7-6ae1be78fbb7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 14:07:12,251 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:07:12,252 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:07:12,252 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:07:12,252 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 14:07:12,252 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 14:07:12,253 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 14:07:12,253 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 14:07:12,253 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 14:07:12,253 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 14:07:12,253 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 14:07:12,253 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 14:07:12,253 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 14:07:12,253 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 14:07:12,254 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:07:12,254 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:07:12,254 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:07:12,254 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:07:12,254 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:07:12,255 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:07:12,255 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:07:12,255 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:07:12,255 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:07:12,255 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:07:12,255 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:07:12,255 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:07:12,256 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:07:12,256 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:07:12,256 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:07:12,256 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 14:07:12,256 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:07:12,256 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:07:12,256 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:07:12,256 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:07:12,257 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 14:07:12,257 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:07:12,257 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:07:12,257 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 14:07:12,257 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_a283a381-54cf-49e5-90a7-6ae1be78fbb7/bin-2019/utaipan 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 -> Taipan 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 -> 8ca334e090ac37635ea5e20a191b6f0bec293495 [2018-11-18 14:07:12,279 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:07:12,288 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:07:12,289 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:07:12,290 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:07:12,290 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:07:12,291 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a283a381-54cf-49e5-90a7-6ae1be78fbb7/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product21_true-unreach-call_false-termination.cil.c [2018-11-18 14:07:12,325 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a283a381-54cf-49e5-90a7-6ae1be78fbb7/bin-2019/utaipan/data/ae637adf9/0c942875b3c645cdbc3fa2b6894b9039/FLAG380999049 [2018-11-18 14:07:12,755 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:07:12,755 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a283a381-54cf-49e5-90a7-6ae1be78fbb7/sv-benchmarks/c/product-lines/minepump_spec4_product21_true-unreach-call_false-termination.cil.c [2018-11-18 14:07:12,761 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a283a381-54cf-49e5-90a7-6ae1be78fbb7/bin-2019/utaipan/data/ae637adf9/0c942875b3c645cdbc3fa2b6894b9039/FLAG380999049 [2018-11-18 14:07:12,769 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a283a381-54cf-49e5-90a7-6ae1be78fbb7/bin-2019/utaipan/data/ae637adf9/0c942875b3c645cdbc3fa2b6894b9039 [2018-11-18 14:07:12,772 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:07:12,773 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:07:12,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:07:12,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:07:12,776 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:07:12,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:07:12" (1/1) ... [2018-11-18 14:07:12,779 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 02:07:12, skipping insertion in model container [2018-11-18 14:07:12,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:07:12" (1/1) ... [2018-11-18 14:07:12,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:07:12,818 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:07:13,008 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:07:13,016 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:07:13,116 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:07:13,133 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:07:13,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:07:13 WrapperNode [2018-11-18 14:07:13,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:07:13,134 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:07:13,134 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:07:13,134 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:07:13,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:07:13" (1/1) ... [2018-11-18 14:07:13,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:07:13" (1/1) ... [2018-11-18 14:07:13,153 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:07:13,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:07:13,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:07:13,154 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:07:13,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:07:13" (1/1) ... [2018-11-18 14:07:13,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:07:13" (1/1) ... [2018-11-18 14:07:13,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:07:13" (1/1) ... [2018-11-18 14:07:13,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:07:13" (1/1) ... [2018-11-18 14:07:13,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:07:13" (1/1) ... [2018-11-18 14:07:13,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:07:13" (1/1) ... [2018-11-18 14:07:13,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:07:13" (1/1) ... [2018-11-18 14:07:13,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:07:13,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:07:13,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:07:13,179 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:07:13,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:07:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a283a381-54cf-49e5-90a7-6ae1be78fbb7/bin-2019/utaipan/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 [2018-11-18 14:07:13,218 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 14:07:13,219 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 14:07:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-18 14:07:13,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-18 14:07:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 14:07:13,219 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 14:07:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 14:07:13,219 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 14:07:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:07:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 14:07:13,219 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 14:07:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 14:07:13,220 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 14:07:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 14:07:13,220 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 14:07:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 14:07:13,220 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 14:07:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 14:07:13,220 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 14:07:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 14:07:13,221 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 14:07:13,221 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 14:07:13,221 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 14:07:13,221 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 14:07:13,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 14:07:13,221 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 14:07:13,221 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 14:07:13,221 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 14:07:13,221 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 14:07:13,221 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 14:07:13,222 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 14:07:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 14:07:13,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 14:07:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 14:07:13,222 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 14:07:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 14:07:13,223 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 14:07:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 14:07:13,223 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 14:07:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 14:07:13,223 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 14:07:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 14:07:13,223 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 14:07:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 14:07:13,223 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 14:07:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 14:07:13,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 14:07:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 14:07:13,224 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 14:07:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 14:07:13,224 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 14:07:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:07:13,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:07:13,628 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:07:13,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:07:13 BoogieIcfgContainer [2018-11-18 14:07:13,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:07:13,629 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 14:07:13,629 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 14:07:13,632 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 14:07:13,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:07:12" (1/3) ... [2018-11-18 14:07:13,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16e2f273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:07:13, skipping insertion in model container [2018-11-18 14:07:13,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:07:13" (2/3) ... [2018-11-18 14:07:13,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16e2f273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:07:13, skipping insertion in model container [2018-11-18 14:07:13,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:07:13" (3/3) ... [2018-11-18 14:07:13,635 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product21_true-unreach-call_false-termination.cil.c [2018-11-18 14:07:13,640 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 14:07:13,646 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 14:07:13,654 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 14:07:13,675 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 14:07:13,675 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 14:07:13,676 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 14:07:13,676 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:07:13,676 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:07:13,676 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 14:07:13,676 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:07:13,676 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 14:07:13,689 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2018-11-18 14:07:13,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 14:07:13,696 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:07:13,696 INFO L375 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] [2018-11-18 14:07:13,698 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:07:13,703 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:07:13,703 INFO L82 PathProgramCache]: Analyzing trace with hash 1352385897, now seen corresponding path program 1 times [2018-11-18 14:07:13,704 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:07:13,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:07:13,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:07:13,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:07:13,732 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:07:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:07:13,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:07:13,885 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:07:13,886 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 14:07:13,886 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:07:13,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 14:07:13,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 14:07:13,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 14:07:13,897 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2018-11-18 14:07:13,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:07:13,924 INFO L93 Difference]: Finished difference Result 248 states and 307 transitions. [2018-11-18 14:07:13,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 14:07:13,925 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 14:07:13,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:07:13,933 INFO L225 Difference]: With dead ends: 248 [2018-11-18 14:07:13,933 INFO L226 Difference]: Without dead ends: 124 [2018-11-18 14:07:13,936 INFO L604 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 [2018-11-18 14:07:13,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-11-18 14:07:13,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-11-18 14:07:13,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-11-18 14:07:13,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 145 transitions. [2018-11-18 14:07:13,970 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 145 transitions. Word has length 46 [2018-11-18 14:07:13,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:07:13,970 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 145 transitions. [2018-11-18 14:07:13,970 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 14:07:13,970 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 145 transitions. [2018-11-18 14:07:13,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 14:07:13,972 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:07:13,972 INFO L375 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] [2018-11-18 14:07:13,972 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:07:13,972 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:07:13,972 INFO L82 PathProgramCache]: Analyzing trace with hash 10813231, now seen corresponding path program 1 times [2018-11-18 14:07:13,972 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:07:13,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:07:13,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:07:13,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:07:13,974 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:07:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:07:14,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:07:14,054 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:07:14,055 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:07:14,055 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:07:14,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:07:14,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:07:14,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:07:14,057 INFO L87 Difference]: Start difference. First operand 124 states and 145 transitions. Second operand 3 states. [2018-11-18 14:07:14,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:07:14,073 INFO L93 Difference]: Finished difference Result 195 states and 227 transitions. [2018-11-18 14:07:14,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:07:14,073 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 14:07:14,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:07:14,075 INFO L225 Difference]: With dead ends: 195 [2018-11-18 14:07:14,075 INFO L226 Difference]: Without dead ends: 114 [2018-11-18 14:07:14,076 INFO L604 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 [2018-11-18 14:07:14,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-11-18 14:07:14,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-11-18 14:07:14,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-11-18 14:07:14,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 132 transitions. [2018-11-18 14:07:14,086 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 132 transitions. Word has length 48 [2018-11-18 14:07:14,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:07:14,086 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 132 transitions. [2018-11-18 14:07:14,086 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:07:14,087 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 132 transitions. [2018-11-18 14:07:14,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 14:07:14,088 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:07:14,088 INFO L375 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] [2018-11-18 14:07:14,088 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:07:14,088 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:07:14,088 INFO L82 PathProgramCache]: Analyzing trace with hash 682841765, now seen corresponding path program 1 times [2018-11-18 14:07:14,089 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:07:14,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:07:14,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:07:14,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:07:14,089 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:07:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:07:14,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:07:14,190 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:07:14,190 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 14:07:14,190 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:07:14,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 14:07:14,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 14:07:14,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:07:14,191 INFO L87 Difference]: Start difference. First operand 114 states and 132 transitions. Second operand 7 states. [2018-11-18 14:07:14,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:07:14,427 INFO L93 Difference]: Finished difference Result 204 states and 241 transitions. [2018-11-18 14:07:14,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 14:07:14,428 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-18 14:07:14,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:07:14,429 INFO L225 Difference]: With dead ends: 204 [2018-11-18 14:07:14,429 INFO L226 Difference]: Without dead ends: 114 [2018-11-18 14:07:14,430 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 14:07:14,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-11-18 14:07:14,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-11-18 14:07:14,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-11-18 14:07:14,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 131 transitions. [2018-11-18 14:07:14,440 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 131 transitions. Word has length 52 [2018-11-18 14:07:14,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:07:14,441 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 131 transitions. [2018-11-18 14:07:14,441 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 14:07:14,441 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 131 transitions. [2018-11-18 14:07:14,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 14:07:14,443 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:07:14,443 INFO L375 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, 1] [2018-11-18 14:07:14,443 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:07:14,443 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:07:14,443 INFO L82 PathProgramCache]: Analyzing trace with hash 125007546, now seen corresponding path program 1 times [2018-11-18 14:07:14,444 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:07:14,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:07:14,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:07:14,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:07:14,445 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:07:14,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:07:14,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:07:14,544 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:07:14,545 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 14:07:14,545 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:07:14,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 14:07:14,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 14:07:14,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 14:07:14,546 INFO L87 Difference]: Start difference. First operand 114 states and 131 transitions. Second operand 10 states. [2018-11-18 14:07:14,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:07:14,929 INFO L93 Difference]: Finished difference Result 364 states and 445 transitions. [2018-11-18 14:07:14,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 14:07:14,929 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 65 [2018-11-18 14:07:14,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:07:14,932 INFO L225 Difference]: With dead ends: 364 [2018-11-18 14:07:14,933 INFO L226 Difference]: Without dead ends: 274 [2018-11-18 14:07:14,934 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-18 14:07:14,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2018-11-18 14:07:14,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 270. [2018-11-18 14:07:14,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2018-11-18 14:07:14,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 321 transitions. [2018-11-18 14:07:14,962 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 321 transitions. Word has length 65 [2018-11-18 14:07:14,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:07:14,962 INFO L480 AbstractCegarLoop]: Abstraction has 270 states and 321 transitions. [2018-11-18 14:07:14,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 14:07:14,962 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 321 transitions. [2018-11-18 14:07:14,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 14:07:14,964 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:07:14,965 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:07:14,965 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:07:14,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:07:14,966 INFO L82 PathProgramCache]: Analyzing trace with hash 591495886, now seen corresponding path program 1 times [2018-11-18 14:07:14,966 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:07:14,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:07:14,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:07:14,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:07:14,967 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:07:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:07:15,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:07:15,046 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:07:15,046 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:07:15,046 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:07:15,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:07:15,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:07:15,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:07:15,047 INFO L87 Difference]: Start difference. First operand 270 states and 321 transitions. Second operand 3 states. [2018-11-18 14:07:15,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:07:15,064 INFO L93 Difference]: Finished difference Result 413 states and 502 transitions. [2018-11-18 14:07:15,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:07:15,065 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2018-11-18 14:07:15,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:07:15,066 INFO L225 Difference]: With dead ends: 413 [2018-11-18 14:07:15,066 INFO L226 Difference]: Without dead ends: 167 [2018-11-18 14:07:15,067 INFO L604 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 [2018-11-18 14:07:15,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2018-11-18 14:07:15,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2018-11-18 14:07:15,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-11-18 14:07:15,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 185 transitions. [2018-11-18 14:07:15,079 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 185 transitions. Word has length 73 [2018-11-18 14:07:15,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:07:15,079 INFO L480 AbstractCegarLoop]: Abstraction has 167 states and 185 transitions. [2018-11-18 14:07:15,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:07:15,079 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 185 transitions. [2018-11-18 14:07:15,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 14:07:15,081 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:07:15,081 INFO L375 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, 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] [2018-11-18 14:07:15,082 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:07:15,082 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:07:15,082 INFO L82 PathProgramCache]: Analyzing trace with hash -930093324, now seen corresponding path program 1 times [2018-11-18 14:07:15,082 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:07:15,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:07:15,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:07:15,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:07:15,083 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:07:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:07:15,176 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 14:07:15,176 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:07:15,176 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:07:15,177 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 111 with the following transitions: [2018-11-18 14:07:15,178 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [37], [38], [50], [59], [74], [77], [78], [79], [83], [89], [93], [97], [100], [105], [111], [113], [116], [133], [134], [135], [136], [178], [182], [188], [196], [202], [206], [207], [210], [225], [228], [229], [230], [231], [232], [233], [235], [236], [237], [238], [239], [240], [241], [242], [243], [247], [257], [258], [259], [260], [263], [264], [273], [274], [275], [276], [277], [278], [279], [287], [288] [2018-11-18 14:07:15,202 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:07:15,202 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:07:15,531 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 14:07:15,532 INFO L272 AbstractInterpreter]: Visited 66 different actions 75 times. Merged at 6 different actions 6 times. Never widened. Performed 2622 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2622 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 132 variables. [2018-11-18 14:07:15,547 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:07:15,547 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 14:07:15,824 INFO L227 lantSequenceWeakener]: Weakened 100 states. On average, predicates are now at 97.4% of their original sizes. [2018-11-18 14:07:15,824 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 14:07:15,907 INFO L415 sIntCurrentIteration]: We unified 109 AI predicates to 109 [2018-11-18 14:07:15,907 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 14:07:15,908 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:07:15,908 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [7] total 22 [2018-11-18 14:07:15,908 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:07:15,909 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-18 14:07:15,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-18 14:07:15,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2018-11-18 14:07:15,909 INFO L87 Difference]: Start difference. First operand 167 states and 185 transitions. Second operand 17 states. [2018-11-18 14:07:17,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:07:17,577 INFO L93 Difference]: Finished difference Result 213 states and 238 transitions. [2018-11-18 14:07:17,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 14:07:17,577 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 110 [2018-11-18 14:07:17,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:07:17,578 INFO L225 Difference]: With dead ends: 213 [2018-11-18 14:07:17,578 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 14:07:17,579 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 110 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2018-11-18 14:07:17,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 14:07:17,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 14:07:17,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 14:07:17,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 14:07:17,579 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2018-11-18 14:07:17,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:07:17,580 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:07:17,580 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-18 14:07:17,580 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 14:07:17,580 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 14:07:17,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 14:07:18,354 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 692 698) the Hoare annotation is: true [2018-11-18 14:07:18,354 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 692 698) no Hoare annotation was computed. [2018-11-18 14:07:18,355 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 699 707) no Hoare annotation was computed. [2018-11-18 14:07:18,355 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 699 707) the Hoare annotation is: true [2018-11-18 14:07:18,355 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 699 707) no Hoare annotation was computed. [2018-11-18 14:07:18,355 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 806 830) the Hoare annotation is: true [2018-11-18 14:07:18,355 INFO L421 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 14:07:18,355 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 806 830) no Hoare annotation was computed. [2018-11-18 14:07:18,355 INFO L425 ceAbstractionStarter]: For program point L818(lines 818 824) no Hoare annotation was computed. [2018-11-18 14:07:18,355 INFO L421 ceAbstractionStarter]: At program point L816(line 816) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 14:07:18,355 INFO L425 ceAbstractionStarter]: For program point L816-1(line 816) no Hoare annotation was computed. [2018-11-18 14:07:18,355 INFO L425 ceAbstractionStarter]: For program point L814(lines 814 827) no Hoare annotation was computed. [2018-11-18 14:07:18,355 INFO L425 ceAbstractionStarter]: For program point L814-1(lines 806 830) no Hoare annotation was computed. [2018-11-18 14:07:18,355 INFO L428 ceAbstractionStarter]: At program point L812(line 812) the Hoare annotation is: true [2018-11-18 14:07:18,356 INFO L425 ceAbstractionStarter]: For program point L812-1(line 812) no Hoare annotation was computed. [2018-11-18 14:07:18,356 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 781 803) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 14:07:18,356 INFO L421 ceAbstractionStarter]: At program point L793(line 793) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= main_~tmp~7 ~systemActive~0))) [2018-11-18 14:07:18,356 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 781 803) no Hoare annotation was computed. [2018-11-18 14:07:18,356 INFO L421 ceAbstractionStarter]: At program point L793-1(line 793) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= main_~tmp~7 ~systemActive~0))) [2018-11-18 14:07:18,356 INFO L425 ceAbstractionStarter]: For program point L791(lines 791 798) no Hoare annotation was computed. [2018-11-18 14:07:18,356 INFO L425 ceAbstractionStarter]: For program point L791-1(lines 791 798) no Hoare annotation was computed. [2018-11-18 14:07:18,356 INFO L425 ceAbstractionStarter]: For program point L789(line 789) no Hoare annotation was computed. [2018-11-18 14:07:18,356 INFO L421 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 14:07:18,356 INFO L421 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 14:07:18,356 INFO L421 ceAbstractionStarter]: At program point L787-1(line 787) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 14:07:18,356 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 781 803) no Hoare annotation was computed. [2018-11-18 14:07:18,356 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 163 171) no Hoare annotation was computed. [2018-11-18 14:07:18,356 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 163 171) the Hoare annotation is: true [2018-11-18 14:07:18,356 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 163 171) no Hoare annotation was computed. [2018-11-18 14:07:18,356 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 208 226) the Hoare annotation is: true [2018-11-18 14:07:18,356 INFO L425 ceAbstractionStarter]: For program point L217(lines 217 221) no Hoare annotation was computed. [2018-11-18 14:07:18,357 INFO L428 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: true [2018-11-18 14:07:18,357 INFO L425 ceAbstractionStarter]: For program point L217-2(lines 217 221) no Hoare annotation was computed. [2018-11-18 14:07:18,357 INFO L425 ceAbstractionStarter]: For program point L215-1(line 215) no Hoare annotation was computed. [2018-11-18 14:07:18,357 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 208 226) no Hoare annotation was computed. [2018-11-18 14:07:18,357 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 208 226) no Hoare annotation was computed. [2018-11-18 14:07:18,357 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 685 691) no Hoare annotation was computed. [2018-11-18 14:07:18,357 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 685 691) the Hoare annotation is: true [2018-11-18 14:07:18,357 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 771 780) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 14:07:18,357 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 771 780) no Hoare annotation was computed. [2018-11-18 14:07:18,357 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 771 780) no Hoare annotation was computed. [2018-11-18 14:07:18,357 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 152 162) the Hoare annotation is: true [2018-11-18 14:07:18,357 INFO L428 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: true [2018-11-18 14:07:18,357 INFO L425 ceAbstractionStarter]: For program point L157-1(line 157) no Hoare annotation was computed. [2018-11-18 14:07:18,357 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 152 162) no Hoare annotation was computed. [2018-11-18 14:07:18,357 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 152 162) no Hoare annotation was computed. [2018-11-18 14:07:18,357 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 144 151) the Hoare annotation is: true [2018-11-18 14:07:18,357 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 144 151) no Hoare annotation was computed. [2018-11-18 14:07:18,357 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 144 151) no Hoare annotation was computed. [2018-11-18 14:07:18,357 INFO L425 ceAbstractionStarter]: For program point L130-1(lines 111 135) no Hoare annotation was computed. [2018-11-18 14:07:18,358 INFO L421 ceAbstractionStarter]: At program point L125(line 125) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 14:07:18,358 INFO L421 ceAbstractionStarter]: At program point L121(line 121) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 14:07:18,358 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 127) no Hoare annotation was computed. [2018-11-18 14:07:18,358 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 111 135) no Hoare annotation was computed. [2018-11-18 14:07:18,358 INFO L421 ceAbstractionStarter]: At program point L117(line 117) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 14:07:18,358 INFO L425 ceAbstractionStarter]: For program point L117-1(line 117) no Hoare annotation was computed. [2018-11-18 14:07:18,358 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 111 135) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2))) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-18 14:07:18,358 INFO L425 ceAbstractionStarter]: For program point L115(lines 115 132) no Hoare annotation was computed. [2018-11-18 14:07:18,358 INFO L421 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2))) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-18 14:07:18,358 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 77 83) no Hoare annotation was computed. [2018-11-18 14:07:18,358 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 77 83) the Hoare annotation is: true [2018-11-18 14:07:18,358 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 231 294) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 14:07:18,358 INFO L421 ceAbstractionStarter]: At program point L287(lines 240 288) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 14:07:18,358 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 231 294) no Hoare annotation was computed. [2018-11-18 14:07:18,358 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 281) no Hoare annotation was computed. [2018-11-18 14:07:18,358 INFO L421 ceAbstractionStarter]: At program point L277-2(lines 271 282) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) .cse0 .cse1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 14:07:18,358 INFO L425 ceAbstractionStarter]: For program point L242(lines 241 286) no Hoare annotation was computed. [2018-11-18 14:07:18,359 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 282) no Hoare annotation was computed. [2018-11-18 14:07:18,359 INFO L421 ceAbstractionStarter]: At program point L263(line 263) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) .cse0 .cse1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 14:07:18,359 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 267) no Hoare annotation was computed. [2018-11-18 14:07:18,359 INFO L425 ceAbstractionStarter]: For program point L261-1(lines 261 267) no Hoare annotation was computed. [2018-11-18 14:07:18,359 INFO L421 ceAbstractionStarter]: At program point L253(line 253) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) .cse0 .cse1) (not (= ~systemActive~0 1)) (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 14:07:18,359 INFO L421 ceAbstractionStarter]: At program point L284(lines 241 286) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) .cse0 .cse1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 14:07:18,359 INFO L425 ceAbstractionStarter]: For program point L251(lines 251 257) no Hoare annotation was computed. [2018-11-18 14:07:18,359 INFO L425 ceAbstractionStarter]: For program point L251-1(lines 251 257) no Hoare annotation was computed. [2018-11-18 14:07:18,359 INFO L425 ceAbstractionStarter]: For program point L243(lines 243 247) no Hoare annotation was computed. [2018-11-18 14:07:18,359 INFO L425 ceAbstractionStarter]: For program point L241-1(lines 241 286) no Hoare annotation was computed. [2018-11-18 14:07:18,359 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 231 294) no Hoare annotation was computed. [2018-11-18 14:07:18,359 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 911 919) no Hoare annotation was computed. [2018-11-18 14:07:18,359 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 911 919) the Hoare annotation is: true [2018-11-18 14:07:18,359 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 911 919) no Hoare annotation was computed. [2018-11-18 14:07:18,360 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:07:18,360 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 14:07:18,360 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:07:18,360 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 902 910) the Hoare annotation is: true [2018-11-18 14:07:18,360 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 902 910) no Hoare annotation was computed. [2018-11-18 14:07:18,360 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 902 910) no Hoare annotation was computed. [2018-11-18 14:07:18,360 INFO L425 ceAbstractionStarter]: For program point L862-1(lines 858 869) no Hoare annotation was computed. [2018-11-18 14:07:18,360 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 858 869) the Hoare annotation is: true [2018-11-18 14:07:18,360 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 858 869) no Hoare annotation was computed. [2018-11-18 14:07:18,360 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 710 739) no Hoare annotation was computed. [2018-11-18 14:07:18,361 INFO L428 ceAbstractionStarter]: At program point L735(lines 710 739) the Hoare annotation is: true [2018-11-18 14:07:18,361 INFO L425 ceAbstractionStarter]: For program point L731(line 731) no Hoare annotation was computed. [2018-11-18 14:07:18,361 INFO L425 ceAbstractionStarter]: For program point L721(line 721) no Hoare annotation was computed. [2018-11-18 14:07:18,361 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 710 739) the Hoare annotation is: true [2018-11-18 14:07:18,361 INFO L425 ceAbstractionStarter]: For program point L724(lines 724 728) no Hoare annotation was computed. [2018-11-18 14:07:18,361 INFO L428 ceAbstractionStarter]: At program point L724-1(lines 724 728) the Hoare annotation is: true [2018-11-18 14:07:18,361 INFO L425 ceAbstractionStarter]: For program point L720-1(lines 720 734) no Hoare annotation was computed. [2018-11-18 14:07:18,361 INFO L428 ceAbstractionStarter]: At program point L720-3(lines 720 734) the Hoare annotation is: true [2018-11-18 14:07:18,361 INFO L428 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: true [2018-11-18 14:07:18,361 INFO L425 ceAbstractionStarter]: For program point L716-1(line 716) no Hoare annotation was computed. [2018-11-18 14:07:18,361 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 870 878) the Hoare annotation is: true [2018-11-18 14:07:18,362 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 870 878) no Hoare annotation was computed. [2018-11-18 14:07:18,362 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 870 878) no Hoare annotation was computed. [2018-11-18 14:07:18,362 INFO L421 ceAbstractionStarter]: At program point L64(lines 64 70) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= ~waterLevel~0 2) .cse1) .cse2 (not (= |old(~waterLevel~0)| 2))) (or (and (= ~waterLevel~0 1) .cse1) .cse0 .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 14:07:18,362 INFO L421 ceAbstractionStarter]: At program point L59(line 59) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 14:07:18,362 INFO L425 ceAbstractionStarter]: For program point L57(lines 56 75) no Hoare annotation was computed. [2018-11-18 14:07:18,362 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 53 76) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= ~waterLevel~0 2) .cse1) .cse2 (not (= |old(~waterLevel~0)| 2))) (or (and (= ~waterLevel~0 1) .cse1) .cse0 .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 14:07:18,362 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2018-11-18 14:07:18,362 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2018-11-18 14:07:18,362 INFO L421 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= ~waterLevel~0 2) .cse1) .cse2 (not (= |old(~waterLevel~0)| 2))) (or (and (= ~waterLevel~0 1) .cse1) .cse0 .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 14:07:18,363 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 834 845) the Hoare annotation is: true [2018-11-18 14:07:18,363 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 834 845) no Hoare annotation was computed. [2018-11-18 14:07:18,363 INFO L425 ceAbstractionStarter]: For program point L838-1(lines 834 845) no Hoare annotation was computed. [2018-11-18 14:07:18,363 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 764 770) no Hoare annotation was computed. [2018-11-18 14:07:18,363 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 764 770) the Hoare annotation is: true [2018-11-18 14:07:18,363 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:07:18,363 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-18 14:07:18,363 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 14:07:18,363 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:07:18,363 INFO L425 ceAbstractionStarter]: For program point L850-1(lines 846 857) no Hoare annotation was computed. [2018-11-18 14:07:18,363 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 846 857) no Hoare annotation was computed. [2018-11-18 14:07:18,364 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 846 857) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= ~waterLevel~0 1) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (= ~waterLevel~0 2) .cse0 .cse1 (not (= |old(~waterLevel~0)| 2))))) [2018-11-18 14:07:18,364 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 300) no Hoare annotation was computed. [2018-11-18 14:07:18,364 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 296 303) no Hoare annotation was computed. [2018-11-18 14:07:18,364 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 296 303) the Hoare annotation is: true [2018-11-18 14:07:18,364 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 296 303) no Hoare annotation was computed. [2018-11-18 14:07:18,364 INFO L421 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 14:07:18,364 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 85 109) no Hoare annotation was computed. [2018-11-18 14:07:18,364 INFO L425 ceAbstractionStarter]: For program point L93(lines 93 101) no Hoare annotation was computed. [2018-11-18 14:07:18,364 INFO L421 ceAbstractionStarter]: At program point L91(line 91) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 14:07:18,365 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 85 109) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2))) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-18 14:07:18,365 INFO L425 ceAbstractionStarter]: For program point L91-1(line 91) no Hoare annotation was computed. [2018-11-18 14:07:18,365 INFO L425 ceAbstractionStarter]: For program point L89(lines 89 106) no Hoare annotation was computed. [2018-11-18 14:07:18,365 INFO L421 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2))) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-18 14:07:18,365 INFO L425 ceAbstractionStarter]: For program point L104-1(lines 85 109) no Hoare annotation was computed. [2018-11-18 14:07:18,365 INFO L421 ceAbstractionStarter]: At program point L99(line 99) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 14:07:18,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:07:18 BoogieIcfgContainer [2018-11-18 14:07:18,379 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 14:07:18,379 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:07:18,379 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:07:18,379 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:07:18,380 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:07:13" (3/4) ... [2018-11-18 14:07:18,383 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 14:07:18,387 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 14:07:18,387 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 14:07:18,387 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-18 14:07:18,391 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 14:07:18,391 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 14:07:18,391 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 14:07:18,391 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 14:07:18,391 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 14:07:18,391 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 14:07:18,392 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 14:07:18,392 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 14:07:18,392 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 14:07:18,392 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 14:07:18,392 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 14:07:18,392 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 14:07:18,392 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 14:07:18,392 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 14:07:18,392 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 14:07:18,392 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 14:07:18,392 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 14:07:18,392 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 14:07:18,392 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 14:07:18,392 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 14:07:18,392 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 14:07:18,392 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 14:07:18,397 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2018-11-18 14:07:18,397 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 14:07:18,397 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 14:07:18,412 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 2 && pumpRunning == 0) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((waterLevel == 1 && pumpRunning == 0) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-18 14:07:18,412 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-18 14:07:18,444 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a283a381-54cf-49e5-90a7-6ae1be78fbb7/bin-2019/utaipan/witness.graphml [2018-11-18 14:07:18,444 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:07:18,444 INFO L168 Benchmark]: Toolchain (without parser) took 5672.45 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 318.8 MB). Free memory was 954.3 MB in the beginning and 1.1 GB in the end (delta: -125.3 MB). Peak memory consumption was 193.5 MB. Max. memory is 11.5 GB. [2018-11-18 14:07:18,445 INFO L168 Benchmark]: CDTParser took 0.12 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 14:07:18,445 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 954.3 MB in the beginning and 1.2 GB in the end (delta: -210.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:07:18,445 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:07:18,446 INFO L168 Benchmark]: Boogie Preprocessor took 24.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:07:18,446 INFO L168 Benchmark]: RCFGBuilder took 450.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:07:18,446 INFO L168 Benchmark]: TraceAbstraction took 4749.52 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 145.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.9 MB). Peak memory consumption was 296.2 MB. Max. memory is 11.5 GB. [2018-11-18 14:07:18,446 INFO L168 Benchmark]: Witness Printer took 64.71 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2018-11-18 14:07:18,448 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 360.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 954.3 MB in the beginning and 1.2 GB in the end (delta: -210.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 450.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4749.52 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 145.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.9 MB). Peak memory consumption was 296.2 MB. Max. memory is 11.5 GB. * Witness Printer took 64.71 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 300]: 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: 241]: Loop Invariant Derived loop invariant: (((((waterLevel == 2 && pumpRunning == 0) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((waterLevel == 1 && pumpRunning == 0) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 137 locations, 1 error locations. SAFE Result, 4.6s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 2.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 754 SDtfs, 495 SDslu, 1864 SDs, 0 SdLazy, 670 SolverSat, 67 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 155 GetRequests, 111 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=270occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9974516952235049 AbsIntWeakeningRatio, 0.8807339449541285 AbsIntAvgWeakeningVarsNumRemoved, 89.64220183486239 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 397 PreInvPairs, 410 NumberOfFragments, 878 HoareAnnotationTreeSize, 397 FomulaSimplifications, 139 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 57 FomulaSimplificationsInter, 743 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 394 NumberOfCodeBlocks, 394 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 388 ConstructedInterpolants, 0 QuantifiedInterpolants, 57468 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 33/37 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...