./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product27_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_spec4_product27_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 84bee68029cd4e9781f81f2ec079192bad30236f .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 18:46:42,481 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:46:42,482 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:46:42,497 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:46:42,498 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:46:42,499 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:46:42,500 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:46:42,505 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:46:42,507 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:46:42,508 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:46:42,510 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:46:42,511 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:46:42,512 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:46:42,513 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:46:42,517 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:46:42,518 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:46:42,519 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:46:42,523 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:46:42,531 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:46:42,536 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:46:42,537 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:46:42,541 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:46:42,543 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:46:42,543 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:46:42,548 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:46:42,549 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:46:42,550 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:46:42,550 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:46:42,551 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:46:42,555 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:46:42,555 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:46:42,556 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:46:42,556 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:46:42,556 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:46:42,558 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:46:42,559 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:46:42,560 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:46:42,583 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:46:42,583 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:46:42,585 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:46:42,585 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:46:42,586 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:46:42,586 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:46:42,587 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:46:42,587 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:46:42,587 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:46:42,587 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:46:42,587 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:46:42,588 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:46:42,588 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:46:42,588 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:46:42,588 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:46:42,588 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:46:42,589 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:46:42,590 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:46:42,590 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:46:42,590 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:46:42,590 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:46:42,591 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:46:42,591 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:46:42,591 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:46:42,591 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:46:42,591 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:46:42,591 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:46:42,592 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:46:42,592 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:46:42,592 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:46:42,592 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 -> 84bee68029cd4e9781f81f2ec079192bad30236f [2018-11-28 18:46:42,660 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:46:42,677 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:46:42,684 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:46:42,685 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:46:42,686 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:46:42,687 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product27_true-unreach-call_false-termination.cil.c [2018-11-28 18:46:42,747 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04b98a87f/06821e2990864d1c9cac0d23635e202c/FLAG892c27508 [2018-11-28 18:46:43,267 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:46:43,268 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product27_true-unreach-call_false-termination.cil.c [2018-11-28 18:46:43,293 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04b98a87f/06821e2990864d1c9cac0d23635e202c/FLAG892c27508 [2018-11-28 18:46:43,544 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04b98a87f/06821e2990864d1c9cac0d23635e202c [2018-11-28 18:46:43,547 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:46:43,549 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:46:43,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:46:43,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:46:43,554 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:46:43,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:46:43" (1/1) ... [2018-11-28 18:46:43,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63e8a302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:43, skipping insertion in model container [2018-11-28 18:46:43,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:46:43" (1/1) ... [2018-11-28 18:46:43,569 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:46:43,633 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:46:44,063 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:46:44,083 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:46:44,258 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:46:44,299 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:46:44,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:44 WrapperNode [2018-11-28 18:46:44,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:46:44,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:46:44,301 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:46:44,301 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:46:44,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:44" (1/1) ... [2018-11-28 18:46:44,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:44" (1/1) ... [2018-11-28 18:46:44,337 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:46:44,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:46:44,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:46:44,338 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:46:44,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:44" (1/1) ... [2018-11-28 18:46:44,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:44" (1/1) ... [2018-11-28 18:46:44,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:44" (1/1) ... [2018-11-28 18:46:44,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:44" (1/1) ... [2018-11-28 18:46:44,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:44" (1/1) ... [2018-11-28 18:46:44,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:44" (1/1) ... [2018-11-28 18:46:44,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:44" (1/1) ... [2018-11-28 18:46:44,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:46:44,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:46:44,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:46:44,387 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:46:44,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:44" (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 18:46:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:46:44,452 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:46:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:46:44,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:46:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:46:44,453 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:46:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 18:46:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 18:46:44,454 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 18:46:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 18:46:44,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:46:44,454 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:46:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:46:44,454 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:46:44,457 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:46:44,457 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:46:44,457 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:46:44,457 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:46:44,458 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:46:44,458 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 18:46:44,458 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 18:46:44,458 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 18:46:44,458 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 18:46:44,458 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:46:44,458 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:46:44,459 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:46:44,461 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:46:44,461 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:46:44,462 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:46:44,462 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:46:44,463 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:46:44,463 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:46:44,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:46:44,463 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:46:44,463 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:46:44,463 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:46:44,463 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:46:44,466 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:46:44,466 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:46:44,466 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:46:44,467 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:46:44,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:46:44,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:46:44,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:46:44,467 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:46:44,467 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:46:44,467 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:46:44,467 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:46:44,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:46:44,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:46:45,365 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:46:45,365 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:46:45,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:46:45 BoogieIcfgContainer [2018-11-28 18:46:45,367 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:46:45,368 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:46:45,368 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:46:45,372 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:46:45,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:46:43" (1/3) ... [2018-11-28 18:46:45,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f93d021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:46:45, skipping insertion in model container [2018-11-28 18:46:45,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:44" (2/3) ... [2018-11-28 18:46:45,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f93d021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:46:45, skipping insertion in model container [2018-11-28 18:46:45,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:46:45" (3/3) ... [2018-11-28 18:46:45,380 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product27_true-unreach-call_false-termination.cil.c [2018-11-28 18:46:45,394 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:46:45,405 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:46:45,426 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:46:45,478 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:46:45,479 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:46:45,479 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:46:45,480 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:46:45,481 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:46:45,481 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:46:45,481 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:46:45,482 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:46:45,482 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:46:45,521 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2018-11-28 18:46:45,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 18:46:45,530 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:45,531 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 18:46:45,534 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:45,539 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:45,539 INFO L82 PathProgramCache]: Analyzing trace with hash -982907574, now seen corresponding path program 1 times [2018-11-28 18:46:45,542 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:45,542 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:45,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:45,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:45,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:45,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:45,920 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 18:46:45,922 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:45,924 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:46:45,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:46:45,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:46:45,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:46:45,944 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2018-11-28 18:46:45,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:45,985 INFO L93 Difference]: Finished difference Result 220 states and 275 transitions. [2018-11-28 18:46:45,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:46:45,987 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 18:46:45,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:46,000 INFO L225 Difference]: With dead ends: 220 [2018-11-28 18:46:46,000 INFO L226 Difference]: Without dead ends: 110 [2018-11-28 18:46:46,005 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 18:46:46,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-11-28 18:46:46,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-11-28 18:46:46,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-11-28 18:46:46,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2018-11-28 18:46:46,069 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 46 [2018-11-28 18:46:46,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:46,070 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2018-11-28 18:46:46,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:46:46,070 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2018-11-28 18:46:46,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 18:46:46,075 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:46,075 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 18:46:46,075 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:46,076 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:46,077 INFO L82 PathProgramCache]: Analyzing trace with hash 954061772, now seen corresponding path program 1 times [2018-11-28 18:46:46,077 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:46,077 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:46,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:46,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:46,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:46,236 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 18:46:46,237 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:46,237 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:46:46,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:46:46,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:46:46,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:46:46,240 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 3 states. [2018-11-28 18:46:46,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:46,275 INFO L93 Difference]: Finished difference Result 163 states and 189 transitions. [2018-11-28 18:46:46,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:46:46,276 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 18:46:46,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:46,279 INFO L225 Difference]: With dead ends: 163 [2018-11-28 18:46:46,279 INFO L226 Difference]: Without dead ends: 101 [2018-11-28 18:46:46,283 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 18:46:46,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-11-28 18:46:46,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-11-28 18:46:46,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-11-28 18:46:46,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2018-11-28 18:46:46,313 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 47 [2018-11-28 18:46:46,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:46,313 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2018-11-28 18:46:46,313 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:46:46,314 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2018-11-28 18:46:46,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 18:46:46,316 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:46,316 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] [2018-11-28 18:46:46,316 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:46,317 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:46,317 INFO L82 PathProgramCache]: Analyzing trace with hash -807020032, now seen corresponding path program 1 times [2018-11-28 18:46:46,317 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:46,317 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:46,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:46,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:46,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:46,559 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 18:46:46,560 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:46,560 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:46:46,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:46:46,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:46:46,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:46:46,561 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 7 states. [2018-11-28 18:46:48,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:48,063 INFO L93 Difference]: Finished difference Result 305 states and 369 transitions. [2018-11-28 18:46:48,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:46:48,063 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-28 18:46:48,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:48,068 INFO L225 Difference]: With dead ends: 305 [2018-11-28 18:46:48,068 INFO L226 Difference]: Without dead ends: 228 [2018-11-28 18:46:48,069 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:46:48,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-11-28 18:46:48,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 220. [2018-11-28 18:46:48,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-11-28 18:46:48,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 266 transitions. [2018-11-28 18:46:48,143 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 266 transitions. Word has length 51 [2018-11-28 18:46:48,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:48,144 INFO L480 AbstractCegarLoop]: Abstraction has 220 states and 266 transitions. [2018-11-28 18:46:48,144 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:46:48,144 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 266 transitions. [2018-11-28 18:46:48,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 18:46:48,154 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:48,154 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 18:46:48,154 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:48,155 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:48,155 INFO L82 PathProgramCache]: Analyzing trace with hash -94878183, now seen corresponding path program 1 times [2018-11-28 18:46:48,155 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:48,156 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:48,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:48,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:48,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:48,532 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 18:46:48,532 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:48,532 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 18:46:48,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 18:46:48,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 18:46:48,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:46:48,535 INFO L87 Difference]: Start difference. First operand 220 states and 266 transitions. Second operand 10 states. [2018-11-28 18:46:49,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:49,745 INFO L93 Difference]: Finished difference Result 760 states and 983 transitions. [2018-11-28 18:46:49,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 18:46:49,749 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-11-28 18:46:49,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:49,757 INFO L225 Difference]: With dead ends: 760 [2018-11-28 18:46:49,757 INFO L226 Difference]: Without dead ends: 564 [2018-11-28 18:46:49,760 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:46:49,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2018-11-28 18:46:49,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 552. [2018-11-28 18:46:49,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2018-11-28 18:46:49,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 688 transitions. [2018-11-28 18:46:49,861 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 688 transitions. Word has length 57 [2018-11-28 18:46:49,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:49,861 INFO L480 AbstractCegarLoop]: Abstraction has 552 states and 688 transitions. [2018-11-28 18:46:49,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 18:46:49,861 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 688 transitions. [2018-11-28 18:46:49,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-28 18:46:49,870 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:49,871 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 18:46:49,871 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:49,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:49,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1915958783, now seen corresponding path program 1 times [2018-11-28 18:46:49,871 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:49,871 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:49,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:49,874 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:49,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:50,115 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 18:46:50,116 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:50,116 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 18:46:50,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 18:46:50,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 18:46:50,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:46:50,120 INFO L87 Difference]: Start difference. First operand 552 states and 688 transitions. Second operand 4 states. [2018-11-28 18:46:50,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:50,435 INFO L93 Difference]: Finished difference Result 924 states and 1186 transitions. [2018-11-28 18:46:50,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 18:46:50,438 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-11-28 18:46:50,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:50,442 INFO L225 Difference]: With dead ends: 924 [2018-11-28 18:46:50,442 INFO L226 Difference]: Without dead ends: 396 [2018-11-28 18:46:50,447 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:46:50,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2018-11-28 18:46:50,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 384. [2018-11-28 18:46:50,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2018-11-28 18:46:50,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 446 transitions. [2018-11-28 18:46:50,494 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 446 transitions. Word has length 61 [2018-11-28 18:46:50,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:50,494 INFO L480 AbstractCegarLoop]: Abstraction has 384 states and 446 transitions. [2018-11-28 18:46:50,494 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 18:46:50,494 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 446 transitions. [2018-11-28 18:46:50,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-28 18:46:50,497 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:50,497 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:46:50,498 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:50,498 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:50,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1124831781, now seen corresponding path program 1 times [2018-11-28 18:46:50,498 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:50,498 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:50,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:50,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:50,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:50,728 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-28 18:46:50,728 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:46:50,728 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:46:50,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:50,922 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:46:51,439 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 18:46:51,471 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 18:46:51,472 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-28 18:46:51,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 18:46:51,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 18:46:51,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-11-28 18:46:51,473 INFO L87 Difference]: Start difference. First operand 384 states and 446 transitions. Second operand 12 states. [2018-11-28 18:46:52,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:52,429 INFO L93 Difference]: Finished difference Result 507 states and 589 transitions. [2018-11-28 18:46:52,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:46:52,437 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2018-11-28 18:46:52,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:52,438 INFO L225 Difference]: With dead ends: 507 [2018-11-28 18:46:52,439 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:46:52,441 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-11-28 18:46:52,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:46:52,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:46:52,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:46:52,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:46:52,444 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2018-11-28 18:46:52,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:52,444 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:46:52,444 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 18:46:52,444 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:46:52,444 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:46:52,452 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:46:53,228 WARN L180 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 18 [2018-11-28 18:46:53,544 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 14 [2018-11-28 18:46:53,877 WARN L180 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 18 [2018-11-28 18:46:54,174 WARN L180 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 24 [2018-11-28 18:46:54,299 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 12 [2018-11-28 18:46:55,574 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 17 [2018-11-28 18:46:55,662 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 430 437) the Hoare annotation is: true [2018-11-28 18:46:55,663 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 430 437) no Hoare annotation was computed. [2018-11-28 18:46:55,663 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 430 437) no Hoare annotation was computed. [2018-11-28 18:46:55,663 INFO L444 ceAbstractionStarter]: At program point L385(line 385) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-28 18:46:55,663 INFO L448 ceAbstractionStarter]: For program point L385-1(line 385) no Hoare annotation was computed. [2018-11-28 18:46:55,663 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 400) no Hoare annotation was computed. [2018-11-28 18:46:55,663 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 379 403) no Hoare annotation was computed. [2018-11-28 18:46:55,663 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 379 403) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)))) [2018-11-28 18:46:55,665 INFO L444 ceAbstractionStarter]: At program point L398(line 398) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)))) [2018-11-28 18:46:55,665 INFO L448 ceAbstractionStarter]: For program point L398-1(lines 379 403) no Hoare annotation was computed. [2018-11-28 18:46:55,666 INFO L444 ceAbstractionStarter]: At program point L393(line 393) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-28 18:46:55,666 INFO L444 ceAbstractionStarter]: At program point L389(line 389) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-28 18:46:55,666 INFO L448 ceAbstractionStarter]: For program point L387(lines 387 395) no Hoare annotation was computed. [2018-11-28 18:46:55,666 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 547 553) the Hoare annotation is: true [2018-11-28 18:46:55,666 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 547 553) no Hoare annotation was computed. [2018-11-28 18:46:55,666 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 371 377) no Hoare annotation was computed. [2018-11-28 18:46:55,666 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 371 377) the Hoare annotation is: true [2018-11-28 18:46:55,666 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 554 562) no Hoare annotation was computed. [2018-11-28 18:46:55,667 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 554 562) the Hoare annotation is: true [2018-11-28 18:46:55,669 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 554 562) no Hoare annotation was computed. [2018-11-28 18:46:55,670 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 275 340) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:55,670 INFO L448 ceAbstractionStarter]: For program point L287(lines 287 291) no Hoare annotation was computed. [2018-11-28 18:46:55,670 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 275 340) no Hoare annotation was computed. [2018-11-28 18:46:55,670 INFO L444 ceAbstractionStarter]: At program point L333(lines 284 334) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:55,670 INFO L444 ceAbstractionStarter]: At program point L323(line 323) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:55,670 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 327) no Hoare annotation was computed. [2018-11-28 18:46:55,670 INFO L444 ceAbstractionStarter]: At program point L321-1(lines 315 328) the Hoare annotation is: (or (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:55,670 INFO L448 ceAbstractionStarter]: For program point L286(lines 285 332) no Hoare annotation was computed. [2018-11-28 18:46:55,670 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 328) no Hoare annotation was computed. [2018-11-28 18:46:55,671 INFO L444 ceAbstractionStarter]: At program point L307(line 307) the Hoare annotation is: (or (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:55,671 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 311) no Hoare annotation was computed. [2018-11-28 18:46:55,671 INFO L448 ceAbstractionStarter]: For program point L305-1(lines 305 311) no Hoare annotation was computed. [2018-11-28 18:46:55,671 INFO L444 ceAbstractionStarter]: At program point L330(lines 285 332) the Hoare annotation is: (or (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:55,671 INFO L444 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (or (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:55,671 INFO L448 ceAbstractionStarter]: For program point L295(lines 295 301) no Hoare annotation was computed. [2018-11-28 18:46:55,671 INFO L448 ceAbstractionStarter]: For program point L295-1(lines 295 301) no Hoare annotation was computed. [2018-11-28 18:46:55,671 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 275 340) no Hoare annotation was computed. [2018-11-28 18:46:55,671 INFO L451 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: true [2018-11-28 18:46:55,672 INFO L448 ceAbstractionStarter]: For program point L161-1(line 161) no Hoare annotation was computed. [2018-11-28 18:46:55,677 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 155 179) the Hoare annotation is: true [2018-11-28 18:46:55,677 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 155 179) no Hoare annotation was computed. [2018-11-28 18:46:55,677 INFO L444 ceAbstractionStarter]: At program point L169(line 169) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 (< ~waterLevel~0 2)))) [2018-11-28 18:46:55,677 INFO L448 ceAbstractionStarter]: For program point L167(lines 167 173) no Hoare annotation was computed. [2018-11-28 18:46:55,677 INFO L444 ceAbstractionStarter]: At program point L165(line 165) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 (< ~waterLevel~0 2)))) [2018-11-28 18:46:55,677 INFO L448 ceAbstractionStarter]: For program point L165-1(line 165) no Hoare annotation was computed. [2018-11-28 18:46:55,677 INFO L448 ceAbstractionStarter]: For program point L163(lines 163 176) no Hoare annotation was computed. [2018-11-28 18:46:55,677 INFO L448 ceAbstractionStarter]: For program point L163-1(lines 155 179) no Hoare annotation was computed. [2018-11-28 18:46:55,677 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-11-28 18:46:55,680 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-11-28 18:46:55,680 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:55,680 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:55,680 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:55,680 INFO L444 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:55,680 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-11-28 18:46:55,680 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-11-28 18:46:55,682 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= main_~tmp~0 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:55,683 INFO L444 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= main_~tmp~0 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:55,683 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-11-28 18:46:55,683 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 513 527) no Hoare annotation was computed. [2018-11-28 18:46:55,683 INFO L444 ceAbstractionStarter]: At program point L519(line 519) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1)) [2018-11-28 18:46:55,683 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 513 527) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or (or .cse0 (not (= ~waterLevel~0 1))) .cse1))) [2018-11-28 18:46:55,683 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 523) no Hoare annotation was computed. [2018-11-28 18:46:55,683 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 513 527) no Hoare annotation was computed. [2018-11-28 18:46:55,683 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 449 457) no Hoare annotation was computed. [2018-11-28 18:46:55,684 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 449 457) the Hoare annotation is: true [2018-11-28 18:46:55,686 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 449 457) no Hoare annotation was computed. [2018-11-28 18:46:55,686 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 264 272) no Hoare annotation was computed. [2018-11-28 18:46:55,686 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 264 272) the Hoare annotation is: true [2018-11-28 18:46:55,686 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 264 272) no Hoare annotation was computed. [2018-11-28 18:46:55,686 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:46:55,687 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:46:55,687 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:46:55,687 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 494 512) the Hoare annotation is: true [2018-11-28 18:46:55,687 INFO L448 ceAbstractionStarter]: For program point L503(lines 503 507) no Hoare annotation was computed. [2018-11-28 18:46:55,687 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 494 512) no Hoare annotation was computed. [2018-11-28 18:46:55,687 INFO L451 ceAbstractionStarter]: At program point L501(line 501) the Hoare annotation is: true [2018-11-28 18:46:55,687 INFO L448 ceAbstractionStarter]: For program point L503-2(lines 503 507) no Hoare annotation was computed. [2018-11-28 18:46:55,687 INFO L448 ceAbstractionStarter]: For program point L501-1(line 501) no Hoare annotation was computed. [2018-11-28 18:46:55,687 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 494 512) no Hoare annotation was computed. [2018-11-28 18:46:55,687 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 255 263) the Hoare annotation is: true [2018-11-28 18:46:55,687 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 255 263) no Hoare annotation was computed. [2018-11-28 18:46:55,688 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 255 263) no Hoare annotation was computed. [2018-11-28 18:46:55,688 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 211 222) the Hoare annotation is: true [2018-11-28 18:46:55,688 INFO L448 ceAbstractionStarter]: For program point L215-1(lines 211 222) no Hoare annotation was computed. [2018-11-28 18:46:55,688 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 211 222) no Hoare annotation was computed. [2018-11-28 18:46:55,688 INFO L444 ceAbstractionStarter]: At program point L353(line 353) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (< |old(~waterLevel~0)| 2)))) [2018-11-28 18:46:55,688 INFO L448 ceAbstractionStarter]: For program point L351(lines 350 369) no Hoare annotation was computed. [2018-11-28 18:46:55,688 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 347 370) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (and (= ~waterLevel~0 1) .cse1) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (< |old(~waterLevel~0)| 2) (and (<= |old(~waterLevel~0)| ~waterLevel~0) .cse1)))) [2018-11-28 18:46:55,688 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 347 370) no Hoare annotation was computed. [2018-11-28 18:46:55,689 INFO L444 ceAbstractionStarter]: At program point L360(line 360) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (and (= ~waterLevel~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (< |old(~waterLevel~0)| 2)))) [2018-11-28 18:46:55,689 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 347 370) no Hoare annotation was computed. [2018-11-28 18:46:55,689 INFO L444 ceAbstractionStarter]: At program point L358(lines 358 364) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (and (= ~waterLevel~0 1) .cse1) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (< |old(~waterLevel~0)| 2) (and (<= |old(~waterLevel~0)| ~waterLevel~0) .cse1)))) [2018-11-28 18:46:55,689 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-28 18:46:55,689 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-28 18:46:55,689 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-28 18:46:55,689 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-28 18:46:55,689 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-28 18:46:55,689 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-28 18:46:55,690 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-11-28 18:46:55,690 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-28 18:46:55,690 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-28 18:46:55,690 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-28 18:46:55,690 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 187 198) the Hoare annotation is: true [2018-11-28 18:46:55,690 INFO L448 ceAbstractionStarter]: For program point L191-1(lines 187 198) no Hoare annotation was computed. [2018-11-28 18:46:55,690 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 187 198) no Hoare annotation was computed. [2018-11-28 18:46:55,690 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 540 546) no Hoare annotation was computed. [2018-11-28 18:46:55,690 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 540 546) the Hoare annotation is: true [2018-11-28 18:46:55,690 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-28 18:46:55,691 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-28 18:46:55,696 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:46:55,696 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-11-28 18:46:55,696 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:46:55,696 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:46:55,696 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 199 210) no Hoare annotation was computed. [2018-11-28 18:46:55,696 INFO L448 ceAbstractionStarter]: For program point L203-1(lines 199 210) no Hoare annotation was computed. [2018-11-28 18:46:55,697 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 199 210) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= ~waterLevel~0 1) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (< |old(~waterLevel~0)| 2) (<= |old(~waterLevel~0)| ~waterLevel~0)))) [2018-11-28 18:46:55,697 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 144 151) no Hoare annotation was computed. [2018-11-28 18:46:55,697 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 144 151) the Hoare annotation is: true [2018-11-28 18:46:55,697 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2018-11-28 18:46:55,697 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 144 151) no Hoare annotation was computed. [2018-11-28 18:46:55,697 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:55,697 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-11-28 18:46:55,697 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-11-28 18:46:55,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:46:55 BoogieIcfgContainer [2018-11-28 18:46:55,719 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:46:55,719 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:46:55,719 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:46:55,721 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:46:55,721 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:46:45" (3/4) ... [2018-11-28 18:46:55,726 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:46:55,733 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:46:55,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:46:55,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:46:55,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:46:55,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:46:55,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:46:55,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:46:55,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:46:55,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 18:46:55,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 18:46:55,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:46:55,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:46:55,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 18:46:55,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 18:46:55,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:46:55,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:46:55,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:46:55,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:46:55,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:46:55,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:46:55,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:46:55,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:46:55,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:46:55,745 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-28 18:46:55,746 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 18:46:55,747 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 18:46:55,747 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:46:55,748 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:46:55,748 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:46:55,781 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(waterLevel) <= waterLevel && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-28 18:46:55,782 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-28 18:46:55,862 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:46:55,863 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:46:55,864 INFO L168 Benchmark]: Toolchain (without parser) took 12316.10 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 306.2 MB). Free memory was 952.7 MB in the beginning and 1.3 GB in the end (delta: -313.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:46:55,864 INFO L168 Benchmark]: CDTParser took 0.18 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 18:46:55,866 INFO L168 Benchmark]: CACSL2BoogieTranslator took 750.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -157.9 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:55,866 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:46:55,866 INFO L168 Benchmark]: Boogie Preprocessor took 49.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:46:55,870 INFO L168 Benchmark]: RCFGBuilder took 980.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:55,870 INFO L168 Benchmark]: TraceAbstraction took 10351.00 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 170.4 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -210.6 MB). Peak memory consumption was 341.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:55,870 INFO L168 Benchmark]: Witness Printer took 143.62 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:55,874 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 750.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -157.9 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 980.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10351.00 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 170.4 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -210.6 MB). Peak memory consumption was 341.5 MB. Max. memory is 11.5 GB. * Witness Printer took 143.62 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 148]: 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: 285]: Loop Invariant Derived loop invariant: ((((\old(waterLevel) <= waterLevel && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 123 locations, 1 error locations. SAFE Result, 10.2s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 4.1s AutomataDifference, 0.0s DeadEndRemovalTime, 3.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 714 SDtfs, 627 SDslu, 1688 SDs, 0 SdLazy, 928 SolverSat, 208 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 161 GetRequests, 116 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=552occurred 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, 6 MinimizatonAttempts, 32 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 584 PreInvPairs, 625 NumberOfFragments, 718 HoareAnnotationTreeSize, 584 FomulaSimplifications, 652 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 52 FomulaSimplificationsInter, 3040 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 438 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 431 ConstructedInterpolants, 0 QuantifiedInterpolants, 60169 SizeOfPredicates, 3 NumberOfNonLiveVariables, 725 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 41/46 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...