./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec1_product28_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec1_product28_true-unreach-call_false-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 84841b0b7c643c254d02f565fa50ff7ee5853434 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 18:43:24,238 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:43:24,240 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:43:24,256 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:43:24,256 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:43:24,258 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:43:24,262 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:43:24,264 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:43:24,266 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:43:24,267 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:43:24,269 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:43:24,270 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:43:24,271 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:43:24,272 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:43:24,273 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:43:24,276 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:43:24,277 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:43:24,278 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:43:24,287 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:43:24,291 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:43:24,292 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:43:24,294 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:43:24,299 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:43:24,299 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:43:24,299 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:43:24,301 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:43:24,301 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:43:24,304 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:43:24,305 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:43:24,306 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:43:24,307 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:43:24,307 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:43:24,307 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:43:24,308 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:43:24,310 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:43:24,310 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:43:24,310 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:43:24,336 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:43:24,337 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:43:24,337 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:43:24,338 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:43:24,338 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:43:24,338 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:43:24,339 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:43:24,339 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:43:24,339 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:43:24,340 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:43:24,340 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:43:24,340 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:43:24,340 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:43:24,340 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:43:24,340 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:43:24,341 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:43:24,341 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:43:24,341 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:43:24,341 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:43:24,341 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:43:24,341 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:43:24,343 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:43:24,343 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:43:24,343 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:43:24,343 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:43:24,343 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:43:24,344 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:43:24,344 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:43:24,344 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:43:24,344 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:43:24,344 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84841b0b7c643c254d02f565fa50ff7ee5853434 [2018-11-28 18:43:24,391 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:43:24,404 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:43:24,408 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:43:24,410 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:43:24,410 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:43:24,411 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec1_product28_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:24,470 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3831ac5a8/1afc9c821e8f4539af90ebac0c1cd6e4/FLAG1d452cb1b [2018-11-28 18:43:24,958 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:43:24,959 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec1_product28_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:24,973 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3831ac5a8/1afc9c821e8f4539af90ebac0c1cd6e4/FLAG1d452cb1b [2018-11-28 18:43:25,285 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3831ac5a8/1afc9c821e8f4539af90ebac0c1cd6e4 [2018-11-28 18:43:25,288 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:43:25,290 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:43:25,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:43:25,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:43:25,294 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:43:25,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:43:25" (1/1) ... [2018-11-28 18:43:25,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58c9d4f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:25, skipping insertion in model container [2018-11-28 18:43:25,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:43:25" (1/1) ... [2018-11-28 18:43:25,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:43:25,381 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:43:25,807 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:43:25,825 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:43:25,936 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:43:25,992 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:43:25,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:25 WrapperNode [2018-11-28 18:43:25,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:43:25,993 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:43:25,993 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:43:25,993 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:43:26,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:25" (1/1) ... [2018-11-28 18:43:26,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:25" (1/1) ... [2018-11-28 18:43:26,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:43:26,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:43:26,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:43:26,103 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:43:26,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:25" (1/1) ... [2018-11-28 18:43:26,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:25" (1/1) ... [2018-11-28 18:43:26,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:25" (1/1) ... [2018-11-28 18:43:26,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:25" (1/1) ... [2018-11-28 18:43:26,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:25" (1/1) ... [2018-11-28 18:43:26,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:25" (1/1) ... [2018-11-28 18:43:26,141 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:25" (1/1) ... [2018-11-28 18:43:26,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:43:26,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:43:26,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:43:26,148 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:43:26,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-11-28 18:43:26,208 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:43:26,208 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:43:26,208 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:43:26,208 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:43:26,209 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 18:43:26,209 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 18:43:26,209 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 18:43:26,209 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 18:43:26,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:43:26,209 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:43:26,210 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:43:26,210 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:43:26,210 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:43:26,210 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:43:26,212 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:43:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:43:26,212 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:43:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 18:43:26,212 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 18:43:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:43:26,213 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:43:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:43:26,213 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:43:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:43:26,214 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:43:26,214 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:43:26,214 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:43:26,214 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 18:43:26,214 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 18:43:26,214 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:43:26,215 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:43:26,215 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:43:26,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:43:26,215 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:43:26,217 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:43:26,217 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:43:26,217 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:43:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:43:26,218 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:43:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:43:26,218 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:43:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:43:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:43:26,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:43:26,219 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:43:26,219 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:43:26,219 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:43:26,219 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:43:26,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:43:26,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:43:26,220 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:26,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:27,177 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:43:27,177 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:43:27,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:27 BoogieIcfgContainer [2018-11-28 18:43:27,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:43:27,179 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:43:27,179 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:43:27,182 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:43:27,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:43:25" (1/3) ... [2018-11-28 18:43:27,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24a4254b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:43:27, skipping insertion in model container [2018-11-28 18:43:27,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:25" (2/3) ... [2018-11-28 18:43:27,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24a4254b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:43:27, skipping insertion in model container [2018-11-28 18:43:27,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:27" (3/3) ... [2018-11-28 18:43:27,186 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product28_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:27,196 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:43:27,205 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:43:27,225 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:43:27,259 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:43:27,260 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:43:27,260 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:43:27,261 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:43:27,261 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:43:27,261 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:43:27,261 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:43:27,261 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:43:27,261 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:43:27,286 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states. [2018-11-28 18:43:27,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 18:43:27,296 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:27,297 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:27,300 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:27,307 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:27,307 INFO L82 PathProgramCache]: Analyzing trace with hash -348090477, now seen corresponding path program 1 times [2018-11-28 18:43:27,309 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:27,310 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:27,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:27,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:27,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:27,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:27,700 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:27,700 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:43:27,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:43:27,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:43:27,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:43:27,720 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 2 states. [2018-11-28 18:43:27,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:27,782 INFO L93 Difference]: Finished difference Result 228 states and 283 transitions. [2018-11-28 18:43:27,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:43:27,785 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 18:43:27,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:27,803 INFO L225 Difference]: With dead ends: 228 [2018-11-28 18:43:27,804 INFO L226 Difference]: Without dead ends: 114 [2018-11-28 18:43:27,809 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:43:27,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-11-28 18:43:27,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-11-28 18:43:27,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-11-28 18:43:27,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2018-11-28 18:43:27,902 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 46 [2018-11-28 18:43:27,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:27,903 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2018-11-28 18:43:27,903 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:43:27,903 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2018-11-28 18:43:27,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 18:43:27,909 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:27,909 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:27,910 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:27,910 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:27,910 INFO L82 PathProgramCache]: Analyzing trace with hash -523160801, now seen corresponding path program 1 times [2018-11-28 18:43:27,910 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:27,911 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:27,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:27,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:27,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:27,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:28,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:28,130 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:28,131 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:43:28,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:43:28,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:43:28,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:43:28,137 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 3 states. [2018-11-28 18:43:28,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:28,189 INFO L93 Difference]: Finished difference Result 167 states and 193 transitions. [2018-11-28 18:43:28,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:43:28,190 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 18:43:28,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:28,194 INFO L225 Difference]: With dead ends: 167 [2018-11-28 18:43:28,194 INFO L226 Difference]: Without dead ends: 105 [2018-11-28 18:43:28,196 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:43:28,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-11-28 18:43:28,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-11-28 18:43:28,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-11-28 18:43:28,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2018-11-28 18:43:28,223 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 47 [2018-11-28 18:43:28,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:28,224 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2018-11-28 18:43:28,224 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:43:28,224 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2018-11-28 18:43:28,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:43:28,229 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:28,229 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:28,231 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:28,231 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:28,232 INFO L82 PathProgramCache]: Analyzing trace with hash -628071727, now seen corresponding path program 1 times [2018-11-28 18:43:28,232 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:28,232 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:28,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:28,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:28,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:28,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:28,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:28,507 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:28,507 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:43:28,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:43:28,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:43:28,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:43:28,508 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 7 states. [2018-11-28 18:43:29,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:29,636 INFO L93 Difference]: Finished difference Result 317 states and 383 transitions. [2018-11-28 18:43:29,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:43:29,637 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-28 18:43:29,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:29,641 INFO L225 Difference]: With dead ends: 317 [2018-11-28 18:43:29,641 INFO L226 Difference]: Without dead ends: 236 [2018-11-28 18:43:29,642 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:43:29,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-11-28 18:43:29,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 224. [2018-11-28 18:43:29,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-11-28 18:43:29,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 270 transitions. [2018-11-28 18:43:29,690 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 270 transitions. Word has length 52 [2018-11-28 18:43:29,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:29,691 INFO L480 AbstractCegarLoop]: Abstraction has 224 states and 270 transitions. [2018-11-28 18:43:29,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:43:29,691 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 270 transitions. [2018-11-28 18:43:29,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 18:43:29,698 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:29,698 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:29,698 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:29,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:29,699 INFO L82 PathProgramCache]: Analyzing trace with hash 39313931, now seen corresponding path program 1 times [2018-11-28 18:43:29,699 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:29,699 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:29,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:29,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:29,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:29,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:29,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:29,985 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:29,986 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:43:29,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:43:29,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:43:29,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:43:29,987 INFO L87 Difference]: Start difference. First operand 224 states and 270 transitions. Second operand 6 states. [2018-11-28 18:43:30,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:30,697 INFO L93 Difference]: Finished difference Result 609 states and 758 transitions. [2018-11-28 18:43:30,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:43:30,698 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-11-28 18:43:30,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:30,713 INFO L225 Difference]: With dead ends: 609 [2018-11-28 18:43:30,713 INFO L226 Difference]: Without dead ends: 409 [2018-11-28 18:43:30,718 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:43:30,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2018-11-28 18:43:30,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 403. [2018-11-28 18:43:30,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2018-11-28 18:43:30,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 490 transitions. [2018-11-28 18:43:30,818 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 490 transitions. Word has length 57 [2018-11-28 18:43:30,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:30,819 INFO L480 AbstractCegarLoop]: Abstraction has 403 states and 490 transitions. [2018-11-28 18:43:30,819 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:43:30,819 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 490 transitions. [2018-11-28 18:43:30,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-28 18:43:30,825 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:30,825 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:30,825 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:30,826 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:30,826 INFO L82 PathProgramCache]: Analyzing trace with hash 386566191, now seen corresponding path program 1 times [2018-11-28 18:43:30,826 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:30,826 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:30,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:30,832 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:30,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:31,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:31,212 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:31,212 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:43:31,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:43:31,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:43:31,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:43:31,213 INFO L87 Difference]: Start difference. First operand 403 states and 490 transitions. Second operand 7 states. [2018-11-28 18:43:31,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:31,763 INFO L93 Difference]: Finished difference Result 677 states and 848 transitions. [2018-11-28 18:43:31,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:43:31,766 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-11-28 18:43:31,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:31,767 INFO L225 Difference]: With dead ends: 677 [2018-11-28 18:43:31,767 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:43:31,770 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-28 18:43:31,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:43:31,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:43:31,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:43:31,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:43:31,771 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2018-11-28 18:43:31,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:31,771 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:43:31,772 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:43:31,772 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:43:31,772 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:43:31,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:43:32,263 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 4 [2018-11-28 18:43:32,532 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 11 [2018-11-28 18:43:33,271 WARN L180 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 7 [2018-11-28 18:43:33,424 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2018-11-28 18:43:33,926 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 829 835) the Hoare annotation is: true [2018-11-28 18:43:33,926 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 829 835) no Hoare annotation was computed. [2018-11-28 18:43:33,926 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 836 844) no Hoare annotation was computed. [2018-11-28 18:43:33,926 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 836 844) the Hoare annotation is: true [2018-11-28 18:43:33,927 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 836 844) no Hoare annotation was computed. [2018-11-28 18:43:33,927 INFO L444 ceAbstractionStarter]: At program point L930-1(line 930) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~8 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:33,927 INFO L448 ceAbstractionStarter]: For program point L928(lines 928 935) no Hoare annotation was computed. [2018-11-28 18:43:33,927 INFO L448 ceAbstractionStarter]: For program point L928-1(lines 928 935) no Hoare annotation was computed. [2018-11-28 18:43:33,927 INFO L448 ceAbstractionStarter]: For program point L926(line 926) no Hoare annotation was computed. [2018-11-28 18:43:33,927 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 918 940) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:33,928 INFO L444 ceAbstractionStarter]: At program point L925(line 925) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:33,928 INFO L444 ceAbstractionStarter]: At program point L924(line 924) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:33,928 INFO L444 ceAbstractionStarter]: At program point L924-1(line 924) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:33,928 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 918 940) no Hoare annotation was computed. [2018-11-28 18:43:33,928 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 918 940) no Hoare annotation was computed. [2018-11-28 18:43:33,929 INFO L444 ceAbstractionStarter]: At program point L930(line 930) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~8 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:33,929 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 758 772) no Hoare annotation was computed. [2018-11-28 18:43:33,929 INFO L444 ceAbstractionStarter]: At program point L764(line 764) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-28 18:43:33,929 INFO L448 ceAbstractionStarter]: For program point L762(lines 762 768) no Hoare annotation was computed. [2018-11-28 18:43:33,929 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 758 772) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-11-28 18:43:33,929 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 758 772) no Hoare annotation was computed. [2018-11-28 18:43:33,930 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 694 702) no Hoare annotation was computed. [2018-11-28 18:43:33,930 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 694 702) the Hoare annotation is: true [2018-11-28 18:43:33,930 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 694 702) no Hoare annotation was computed. [2018-11-28 18:43:33,930 INFO L448 ceAbstractionStarter]: For program point L748(lines 748 752) no Hoare annotation was computed. [2018-11-28 18:43:33,930 INFO L451 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: true [2018-11-28 18:43:33,930 INFO L448 ceAbstractionStarter]: For program point L748-2(lines 748 752) no Hoare annotation was computed. [2018-11-28 18:43:33,930 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 739 757) the Hoare annotation is: true [2018-11-28 18:43:33,931 INFO L448 ceAbstractionStarter]: For program point L746-1(line 746) no Hoare annotation was computed. [2018-11-28 18:43:33,931 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 739 757) no Hoare annotation was computed. [2018-11-28 18:43:33,931 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 739 757) no Hoare annotation was computed. [2018-11-28 18:43:33,931 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 822 828) no Hoare annotation was computed. [2018-11-28 18:43:33,931 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 822 828) the Hoare annotation is: true [2018-11-28 18:43:33,931 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 908 917) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:33,931 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 908 917) no Hoare annotation was computed. [2018-11-28 18:43:33,931 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 908 917) no Hoare annotation was computed. [2018-11-28 18:43:33,932 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 675 682) the Hoare annotation is: true [2018-11-28 18:43:33,932 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 675 682) no Hoare annotation was computed. [2018-11-28 18:43:33,932 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 675 682) no Hoare annotation was computed. [2018-11-28 18:43:33,932 INFO L444 ceAbstractionStarter]: At program point L638(line 638) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 18:43:33,932 INFO L444 ceAbstractionStarter]: At program point L634(line 634) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 18:43:33,932 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 640) no Hoare annotation was computed. [2018-11-28 18:43:33,932 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 624 648) no Hoare annotation was computed. [2018-11-28 18:43:33,933 INFO L444 ceAbstractionStarter]: At program point L630(line 630) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 18:43:33,933 INFO L448 ceAbstractionStarter]: For program point L630-1(line 630) no Hoare annotation was computed. [2018-11-28 18:43:33,933 INFO L448 ceAbstractionStarter]: For program point L628(lines 628 645) no Hoare annotation was computed. [2018-11-28 18:43:33,933 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 624 648) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:43:33,933 INFO L444 ceAbstractionStarter]: At program point L643(line 643) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:43:33,933 INFO L448 ceAbstractionStarter]: For program point L643-1(lines 624 648) no Hoare annotation was computed. [2018-11-28 18:43:33,933 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 616 622) no Hoare annotation was computed. [2018-11-28 18:43:33,934 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 616 622) the Hoare annotation is: true [2018-11-28 18:43:33,934 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 551) no Hoare annotation was computed. [2018-11-28 18:43:33,934 INFO L448 ceAbstractionStarter]: For program point L545-1(lines 545 551) no Hoare annotation was computed. [2018-11-28 18:43:33,934 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 515 582) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:33,934 INFO L444 ceAbstractionStarter]: At program point L572(lines 525 574) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:33,934 INFO L444 ceAbstractionStarter]: At program point L537(line 537) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:33,934 INFO L448 ceAbstractionStarter]: For program point L535(lines 535 541) no Hoare annotation was computed. [2018-11-28 18:43:33,935 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 515 582) no Hoare annotation was computed. [2018-11-28 18:43:33,935 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 535 541) no Hoare annotation was computed. [2018-11-28 18:43:33,935 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 531) no Hoare annotation was computed. [2018-11-28 18:43:33,935 INFO L444 ceAbstractionStarter]: At program point L575(lines 524 576) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:33,935 INFO L444 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:33,935 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 569) no Hoare annotation was computed. [2018-11-28 18:43:33,936 INFO L444 ceAbstractionStarter]: At program point L563-1(lines 555 570) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:33,936 INFO L448 ceAbstractionStarter]: For program point L526(lines 525 574) no Hoare annotation was computed. [2018-11-28 18:43:33,936 INFO L444 ceAbstractionStarter]: At program point L557(line 557) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= test_~splverifierCounter~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:33,936 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 570) no Hoare annotation was computed. [2018-11-28 18:43:33,936 INFO L444 ceAbstractionStarter]: At program point L547(line 547) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:33,936 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 515 582) no Hoare annotation was computed. [2018-11-28 18:43:33,936 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 501 509) no Hoare annotation was computed. [2018-11-28 18:43:33,937 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 501 509) the Hoare annotation is: true [2018-11-28 18:43:33,937 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 501 509) no Hoare annotation was computed. [2018-11-28 18:43:33,937 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:43:33,937 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-28 18:43:33,937 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:43:33,937 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 448 459) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-11-28 18:43:33,937 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 448 459) no Hoare annotation was computed. [2018-11-28 18:43:33,938 INFO L448 ceAbstractionStarter]: For program point L452-1(lines 448 459) no Hoare annotation was computed. [2018-11-28 18:43:33,938 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 847 876) no Hoare annotation was computed. [2018-11-28 18:43:33,938 INFO L448 ceAbstractionStarter]: For program point L861(lines 861 865) no Hoare annotation was computed. [2018-11-28 18:43:33,938 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 847 876) the Hoare annotation is: true [2018-11-28 18:43:33,938 INFO L451 ceAbstractionStarter]: At program point L861-1(lines 861 865) the Hoare annotation is: true [2018-11-28 18:43:33,938 INFO L448 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-11-28 18:43:33,938 INFO L451 ceAbstractionStarter]: At program point L857-2(lines 857 871) the Hoare annotation is: true [2018-11-28 18:43:33,938 INFO L451 ceAbstractionStarter]: At program point L853(line 853) the Hoare annotation is: true [2018-11-28 18:43:33,939 INFO L448 ceAbstractionStarter]: For program point L853-1(line 853) no Hoare annotation was computed. [2018-11-28 18:43:33,939 INFO L451 ceAbstractionStarter]: At program point L872(lines 847 876) the Hoare annotation is: true [2018-11-28 18:43:33,939 INFO L448 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-11-28 18:43:33,939 INFO L444 ceAbstractionStarter]: At program point L605(line 605) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 18:43:33,939 INFO L444 ceAbstractionStarter]: At program point L603(lines 603 609) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:43:33,939 INFO L444 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-28 18:43:33,939 INFO L448 ceAbstractionStarter]: For program point L596(lines 595 614) no Hoare annotation was computed. [2018-11-28 18:43:33,940 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 592 615) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:43:33,940 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 592 615) no Hoare annotation was computed. [2018-11-28 18:43:33,940 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 592 615) no Hoare annotation was computed. [2018-11-28 18:43:33,940 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 460 468) the Hoare annotation is: true [2018-11-28 18:43:33,940 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 460 468) no Hoare annotation was computed. [2018-11-28 18:43:33,940 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 460 468) no Hoare annotation was computed. [2018-11-28 18:43:33,940 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 424 435) the Hoare annotation is: true [2018-11-28 18:43:33,940 INFO L448 ceAbstractionStarter]: For program point L428-1(lines 424 435) no Hoare annotation was computed. [2018-11-28 18:43:33,941 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 424 435) no Hoare annotation was computed. [2018-11-28 18:43:33,941 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 901 907) no Hoare annotation was computed. [2018-11-28 18:43:33,941 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 901 907) the Hoare annotation is: true [2018-11-28 18:43:33,941 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:43:33,941 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-28 18:43:33,941 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:43:33,941 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:43:33,942 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 773 780) no Hoare annotation was computed. [2018-11-28 18:43:33,942 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 773 780) the Hoare annotation is: true [2018-11-28 18:43:33,942 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 773 780) no Hoare annotation was computed. [2018-11-28 18:43:33,942 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 436 447) no Hoare annotation was computed. [2018-11-28 18:43:33,942 INFO L448 ceAbstractionStarter]: For program point L440-1(lines 436 447) no Hoare annotation was computed. [2018-11-28 18:43:33,942 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 436 447) the Hoare annotation is: true [2018-11-28 18:43:33,942 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-28 18:43:33,943 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-28 18:43:33,943 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-28 18:43:33,943 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-28 18:43:33,943 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 782 806) the Hoare annotation is: true [2018-11-28 18:43:33,943 INFO L444 ceAbstractionStarter]: At program point L796(line 796) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-28 18:43:33,943 INFO L448 ceAbstractionStarter]: For program point L794(lines 794 800) no Hoare annotation was computed. [2018-11-28 18:43:33,944 INFO L444 ceAbstractionStarter]: At program point L792(line 792) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 18:43:33,944 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 782 806) no Hoare annotation was computed. [2018-11-28 18:43:33,944 INFO L448 ceAbstractionStarter]: For program point L792-1(line 792) no Hoare annotation was computed. [2018-11-28 18:43:33,944 INFO L448 ceAbstractionStarter]: For program point L790(lines 790 803) no Hoare annotation was computed. [2018-11-28 18:43:33,944 INFO L448 ceAbstractionStarter]: For program point L790-1(lines 782 806) no Hoare annotation was computed. [2018-11-28 18:43:33,944 INFO L451 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: true [2018-11-28 18:43:33,944 INFO L448 ceAbstractionStarter]: For program point L788-1(line 788) no Hoare annotation was computed. [2018-11-28 18:43:33,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:43:33 BoogieIcfgContainer [2018-11-28 18:43:33,963 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:43:33,967 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:43:33,967 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:43:33,967 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:43:33,968 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:27" (3/4) ... [2018-11-28 18:43:33,981 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:43:34,000 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:43:34,000 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:43:34,000 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:43:34,000 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 18:43:34,000 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:43:34,001 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 18:43:34,001 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:43:34,001 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:43:34,001 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:43:34,001 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:43:34,001 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:43:34,001 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:43:34,001 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 18:43:34,005 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:43:34,005 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:43:34,005 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:43:34,005 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:43:34,005 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:43:34,007 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:43:34,007 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:43:34,007 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 18:43:34,008 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:43:34,008 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:43:34,008 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:34,025 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-28 18:43:34,026 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 18:43:34,026 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 18:43:34,027 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:43:34,027 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:43:34,028 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:43:34,067 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:43:34,068 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:43:34,161 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:43:34,162 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:43:34,163 INFO L168 Benchmark]: Toolchain (without parser) took 8874.14 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 237.5 MB). Free memory was 954.0 MB in the beginning and 782.3 MB in the end (delta: 171.8 MB). Peak memory consumption was 409.3 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:34,165 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:43:34,166 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.06 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 29.9 MB). Free memory was 954.0 MB in the beginning and 1.0 GB in the end (delta: -53.3 MB). Peak memory consumption was 40.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:34,166 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.24 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 207.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -215.2 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:34,167 INFO L168 Benchmark]: Boogie Preprocessor took 51.33 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:43:34,167 INFO L168 Benchmark]: RCFGBuilder took 1030.09 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:34,168 INFO L168 Benchmark]: TraceAbstraction took 6787.68 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 792.4 MB in the end (delta: 379.6 MB). Peak memory consumption was 379.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:34,168 INFO L168 Benchmark]: Witness Printer took 195.04 ms. Allocated memory is still 1.3 GB. Free memory was 792.4 MB in the beginning and 782.3 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:34,174 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 702.06 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 29.9 MB). Free memory was 954.0 MB in the beginning and 1.0 GB in the end (delta: -53.3 MB). Peak memory consumption was 40.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 103.24 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 207.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -215.2 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.33 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1030.09 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6787.68 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 792.4 MB in the end (delta: 379.6 MB). Peak memory consumption was 379.6 MB. Max. memory is 11.5 GB. * Witness Printer took 195.04 ms. Allocated memory is still 1.3 GB. Free memory was 792.4 MB in the beginning and 782.3 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 524]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 127 locations, 1 error locations. SAFE Result, 6.6s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 2.5s AutomataDifference, 0.0s DeadEndRemovalTime, 2.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 628 SDtfs, 417 SDslu, 1143 SDs, 0 SdLazy, 411 SolverSat, 112 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=403occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 444 PreInvPairs, 491 NumberOfFragments, 500 HoareAnnotationTreeSize, 444 FomulaSimplifications, 443 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 54 FomulaSimplificationsInter, 1838 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 25848 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...