./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec1_product12_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_product12_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 ecfbbc733442c307db2d841c8e8a441054d096f7 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 18:43:08,534 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:43:08,536 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:43:08,549 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:43:08,549 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:43:08,550 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:43:08,551 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:43:08,561 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:43:08,563 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:43:08,564 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:43:08,565 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:43:08,566 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:43:08,567 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:43:08,568 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:43:08,569 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:43:08,569 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:43:08,570 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:43:08,572 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:43:08,574 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:43:08,575 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:43:08,577 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:43:08,578 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:43:08,580 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:43:08,580 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:43:08,581 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:43:08,581 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:43:08,583 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:43:08,583 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:43:08,584 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:43:08,585 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:43:08,585 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:43:08,586 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:43:08,586 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:43:08,587 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:43:08,588 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:43:08,588 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:43:08,589 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:43:08,604 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:43:08,604 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:43:08,605 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:43:08,605 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:43:08,606 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:43:08,606 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:43:08,606 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:43:08,607 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:43:08,607 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:43:08,607 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:43:08,607 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:43:08,607 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:43:08,607 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:43:08,608 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:43:08,608 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:43:08,608 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:43:08,608 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:43:08,608 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:43:08,609 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:43:08,609 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:43:08,609 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:43:08,609 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:43:08,609 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:43:08,609 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:43:08,610 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:43:08,610 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:43:08,610 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:43:08,610 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:43:08,610 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:43:08,611 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:43:08,611 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 -> ecfbbc733442c307db2d841c8e8a441054d096f7 [2018-11-28 18:43:08,667 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:43:08,685 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:43:08,691 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:43:08,693 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:43:08,693 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:43:08,694 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec1_product12_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:08,764 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce03c46c6/a31f49d3bff6480786a48d65b96c1c19/FLAG78508d24b [2018-11-28 18:43:09,254 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:43:09,254 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec1_product12_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:09,269 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce03c46c6/a31f49d3bff6480786a48d65b96c1c19/FLAG78508d24b [2018-11-28 18:43:09,569 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce03c46c6/a31f49d3bff6480786a48d65b96c1c19 [2018-11-28 18:43:09,573 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:43:09,575 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:43:09,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:43:09,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:43:09,580 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:43:09,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:43:09" (1/1) ... [2018-11-28 18:43:09,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3179c65d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:09, skipping insertion in model container [2018-11-28 18:43:09,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:43:09" (1/1) ... [2018-11-28 18:43:09,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:43:09,642 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:43:10,039 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:43:10,063 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:43:10,162 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:43:10,292 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:43:10,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:10 WrapperNode [2018-11-28 18:43:10,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:43:10,294 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:43:10,294 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:43:10,294 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:43:10,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:10" (1/1) ... [2018-11-28 18:43:10,336 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:10" (1/1) ... [2018-11-28 18:43:10,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:43:10,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:43:10,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:43:10,347 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:43:10,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:10" (1/1) ... [2018-11-28 18:43:10,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:10" (1/1) ... [2018-11-28 18:43:10,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:10" (1/1) ... [2018-11-28 18:43:10,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:10" (1/1) ... [2018-11-28 18:43:10,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:10" (1/1) ... [2018-11-28 18:43:10,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:10" (1/1) ... [2018-11-28 18:43:10,387 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:10" (1/1) ... [2018-11-28 18:43:10,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:43:10,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:43:10,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:43:10,393 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:43:10,394 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:10" (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 18:43:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:43:10,452 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:43:10,453 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:43:10,453 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:43:10,453 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 18:43:10,453 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 18:43:10,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:43:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:43:10,454 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:43:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:43:10,454 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:43:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:43:10,454 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:43:10,455 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:43:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:43:10,455 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:43:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:43:10,455 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:43:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:43:10,455 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:43:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:43:10,456 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 18:43:10,456 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 18:43:10,456 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:43:10,456 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:43:10,456 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:43:10,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:43:10,456 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:43:10,457 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:43:10,457 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:43:10,457 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:43:10,457 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:43:10,457 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:43:10,457 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:43:10,457 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:43:10,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:43:10,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:43:10,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:43:10,458 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:43:10,458 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:43:10,458 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:43:10,458 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:43:10,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:43:10,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:43:10,459 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:10,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:11,350 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:43:11,350 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:43:11,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:11 BoogieIcfgContainer [2018-11-28 18:43:11,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:43:11,352 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:43:11,352 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:43:11,356 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:43:11,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:43:09" (1/3) ... [2018-11-28 18:43:11,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@175bb014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:43:11, skipping insertion in model container [2018-11-28 18:43:11,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:10" (2/3) ... [2018-11-28 18:43:11,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@175bb014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:43:11, skipping insertion in model container [2018-11-28 18:43:11,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:11" (3/3) ... [2018-11-28 18:43:11,359 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product12_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:11,370 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:43:11,379 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:43:11,397 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:43:11,432 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:43:11,433 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:43:11,433 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:43:11,433 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:43:11,434 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:43:11,434 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:43:11,434 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:43:11,434 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:43:11,434 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:43:11,456 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2018-11-28 18:43:11,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 18:43:11,464 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:11,466 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 18:43:11,468 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:11,475 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:11,475 INFO L82 PathProgramCache]: Analyzing trace with hash -222364740, now seen corresponding path program 1 times [2018-11-28 18:43:11,477 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:11,478 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:11,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:11,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:11,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:11,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:11,862 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 18:43:11,864 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:11,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:43:11,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:43:11,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:43:11,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:43:11,888 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2018-11-28 18:43:11,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:11,934 INFO L93 Difference]: Finished difference Result 188 states and 233 transitions. [2018-11-28 18:43:11,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:43:11,936 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 18:43:11,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:11,951 INFO L225 Difference]: With dead ends: 188 [2018-11-28 18:43:11,951 INFO L226 Difference]: Without dead ends: 94 [2018-11-28 18:43:11,955 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 18:43:11,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-11-28 18:43:12,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-11-28 18:43:12,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-11-28 18:43:12,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2018-11-28 18:43:12,016 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 46 [2018-11-28 18:43:12,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:12,017 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2018-11-28 18:43:12,017 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:43:12,017 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2018-11-28 18:43:12,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 18:43:12,021 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:12,022 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 18:43:12,022 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:12,022 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:12,023 INFO L82 PathProgramCache]: Analyzing trace with hash 1220321971, now seen corresponding path program 1 times [2018-11-28 18:43:12,024 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:12,024 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:12,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:12,025 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:12,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:12,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:12,205 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 18:43:12,206 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:12,206 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:43:12,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:43:12,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:43:12,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:43:12,210 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand 3 states. [2018-11-28 18:43:12,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:12,260 INFO L93 Difference]: Finished difference Result 124 states and 141 transitions. [2018-11-28 18:43:12,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:43:12,264 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 18:43:12,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:12,267 INFO L225 Difference]: With dead ends: 124 [2018-11-28 18:43:12,267 INFO L226 Difference]: Without dead ends: 85 [2018-11-28 18:43:12,269 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 18:43:12,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-11-28 18:43:12,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-11-28 18:43:12,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-11-28 18:43:12,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 96 transitions. [2018-11-28 18:43:12,295 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 96 transitions. Word has length 47 [2018-11-28 18:43:12,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:12,300 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 96 transitions. [2018-11-28 18:43:12,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:43:12,300 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2018-11-28 18:43:12,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:43:12,302 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:12,302 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 18:43:12,304 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:12,304 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:12,304 INFO L82 PathProgramCache]: Analyzing trace with hash 161305573, now seen corresponding path program 1 times [2018-11-28 18:43:12,304 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:12,304 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:12,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:12,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:12,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:12,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:12,636 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 18:43:12,636 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:12,636 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:43:12,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:43:12,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:43:12,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:43:12,638 INFO L87 Difference]: Start difference. First operand 85 states and 96 transitions. Second operand 7 states. [2018-11-28 18:43:13,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:13,779 INFO L93 Difference]: Finished difference Result 257 states and 308 transitions. [2018-11-28 18:43:13,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:43:13,780 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-28 18:43:13,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:13,784 INFO L225 Difference]: With dead ends: 257 [2018-11-28 18:43:13,784 INFO L226 Difference]: Without dead ends: 196 [2018-11-28 18:43:13,785 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:43:13,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-11-28 18:43:13,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 172. [2018-11-28 18:43:13,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-11-28 18:43:13,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 204 transitions. [2018-11-28 18:43:13,816 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 204 transitions. Word has length 52 [2018-11-28 18:43:13,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:13,817 INFO L480 AbstractCegarLoop]: Abstraction has 172 states and 204 transitions. [2018-11-28 18:43:13,817 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:43:13,817 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 204 transitions. [2018-11-28 18:43:13,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-28 18:43:13,820 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:13,820 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] [2018-11-28 18:43:13,821 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:13,821 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:13,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1645610747, now seen corresponding path program 1 times [2018-11-28 18:43:13,822 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:13,822 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:13,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:13,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:13,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:14,168 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 18:43:14,168 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:14,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:43:14,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:43:14,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:43:14,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:43:14,170 INFO L87 Difference]: Start difference. First operand 172 states and 204 transitions. Second operand 6 states. [2018-11-28 18:43:14,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:14,846 INFO L93 Difference]: Finished difference Result 453 states and 560 transitions. [2018-11-28 18:43:14,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:43:14,847 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2018-11-28 18:43:14,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:14,859 INFO L225 Difference]: With dead ends: 453 [2018-11-28 18:43:14,862 INFO L226 Difference]: Without dead ends: 305 [2018-11-28 18:43:14,866 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:43:14,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2018-11-28 18:43:14,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 299. [2018-11-28 18:43:14,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2018-11-28 18:43:14,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 358 transitions. [2018-11-28 18:43:14,913 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 358 transitions. Word has length 55 [2018-11-28 18:43:14,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:14,913 INFO L480 AbstractCegarLoop]: Abstraction has 299 states and 358 transitions. [2018-11-28 18:43:14,913 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:43:14,914 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 358 transitions. [2018-11-28 18:43:14,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-28 18:43:14,917 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:14,917 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] [2018-11-28 18:43:14,917 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:14,918 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:14,918 INFO L82 PathProgramCache]: Analyzing trace with hash 1992415049, now seen corresponding path program 1 times [2018-11-28 18:43:14,918 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:14,918 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:14,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:14,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:14,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:15,086 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 18:43:15,086 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:15,086 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:43:15,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:43:15,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:43:15,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:43:15,087 INFO L87 Difference]: Start difference. First operand 299 states and 358 transitions. Second operand 6 states. [2018-11-28 18:43:15,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:15,344 INFO L93 Difference]: Finished difference Result 545 states and 668 transitions. [2018-11-28 18:43:15,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:43:15,345 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2018-11-28 18:43:15,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:15,346 INFO L225 Difference]: With dead ends: 545 [2018-11-28 18:43:15,346 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:43:15,349 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:43:15,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:43:15,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:43:15,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:43:15,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:43:15,352 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2018-11-28 18:43:15,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:15,352 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:43:15,352 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:43:15,352 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:43:15,352 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:43:15,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:43:15,803 WARN L180 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-11-28 18:43:16,039 WARN L180 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 4 [2018-11-28 18:43:16,240 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-11-28 18:43:16,427 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-11-28 18:43:16,600 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-11-28 18:43:16,847 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 8 [2018-11-28 18:43:17,379 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 183 190) the Hoare annotation is: true [2018-11-28 18:43:17,380 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 183 190) no Hoare annotation was computed. [2018-11-28 18:43:17,380 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 183 190) no Hoare annotation was computed. [2018-11-28 18:43:17,380 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 150 156) no Hoare annotation was computed. [2018-11-28 18:43:17,380 INFO L451 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 150 156) the Hoare annotation is: true [2018-11-28 18:43:17,380 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 382 388) the Hoare annotation is: true [2018-11-28 18:43:17,381 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 382 388) no Hoare annotation was computed. [2018-11-28 18:43:17,381 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 389 397) no Hoare annotation was computed. [2018-11-28 18:43:17,381 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 389 397) the Hoare annotation is: true [2018-11-28 18:43:17,381 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 389 397) no Hoare annotation was computed. [2018-11-28 18:43:17,381 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 66 72) no Hoare annotation was computed. [2018-11-28 18:43:17,381 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 46 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:17,382 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 62) no Hoare annotation was computed. [2018-11-28 18:43:17,382 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 46 113) no Hoare annotation was computed. [2018-11-28 18:43:17,382 INFO L444 ceAbstractionStarter]: At program point L106(lines 55 107) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:17,382 INFO L444 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:17,382 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 100) no Hoare annotation was computed. [2018-11-28 18:43:17,382 INFO L444 ceAbstractionStarter]: At program point L94-1(lines 86 101) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:17,384 INFO L448 ceAbstractionStarter]: For program point L57(lines 56 105) no Hoare annotation was computed. [2018-11-28 18:43:17,384 INFO L444 ceAbstractionStarter]: At program point L88(line 88) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:17,384 INFO L448 ceAbstractionStarter]: For program point L86(lines 86 101) no Hoare annotation was computed. [2018-11-28 18:43:17,384 INFO L444 ceAbstractionStarter]: At program point L78(line 78) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:17,384 INFO L448 ceAbstractionStarter]: For program point L76(lines 76 82) no Hoare annotation was computed. [2018-11-28 18:43:17,384 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 76 82) no Hoare annotation was computed. [2018-11-28 18:43:17,386 INFO L444 ceAbstractionStarter]: At program point L103(lines 56 105) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:17,386 INFO L444 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:17,387 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 46 113) no Hoare annotation was computed. [2018-11-28 18:43:17,387 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2018-11-28 18:43:17,387 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 863 885) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:17,387 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 863 885) no Hoare annotation was computed. [2018-11-28 18:43:17,387 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 863 885) no Hoare annotation was computed. [2018-11-28 18:43:17,387 INFO L444 ceAbstractionStarter]: At program point L875(line 875) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~6 ~systemActive~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:17,387 INFO L444 ceAbstractionStarter]: At program point L875-1(line 875) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~6 ~systemActive~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:17,388 INFO L448 ceAbstractionStarter]: For program point L873(lines 873 880) no Hoare annotation was computed. [2018-11-28 18:43:17,390 INFO L448 ceAbstractionStarter]: For program point L873-1(lines 873 880) no Hoare annotation was computed. [2018-11-28 18:43:17,390 INFO L448 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2018-11-28 18:43:17,390 INFO L444 ceAbstractionStarter]: At program point L870(line 870) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:17,390 INFO L444 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:17,390 INFO L444 ceAbstractionStarter]: At program point L869-1(line 869) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:17,391 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 247 261) no Hoare annotation was computed. [2018-11-28 18:43:17,391 INFO L444 ceAbstractionStarter]: At program point L253(line 253) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-28 18:43:17,391 INFO L448 ceAbstractionStarter]: For program point L251(lines 251 257) no Hoare annotation was computed. [2018-11-28 18:43:17,391 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 247 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-28 18:43:17,391 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 247 261) no Hoare annotation was computed. [2018-11-28 18:43:17,391 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 202 210) no Hoare annotation was computed. [2018-11-28 18:43:17,391 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 202 210) the Hoare annotation is: true [2018-11-28 18:43:17,392 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 202 210) no Hoare annotation was computed. [2018-11-28 18:43:17,394 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:43:17,394 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:43:17,394 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:43:17,394 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 307 318) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:17,394 INFO L448 ceAbstractionStarter]: For program point L311-1(lines 307 318) no Hoare annotation was computed. [2018-11-28 18:43:17,395 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 307 318) no Hoare annotation was computed. [2018-11-28 18:43:17,395 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 319 327) the Hoare annotation is: true [2018-11-28 18:43:17,395 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 319 327) no Hoare annotation was computed. [2018-11-28 18:43:17,395 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 319 327) no Hoare annotation was computed. [2018-11-28 18:43:17,395 INFO L451 ceAbstractionStarter]: At program point L802-2(lines 802 816) the Hoare annotation is: true [2018-11-28 18:43:17,395 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 792 821) no Hoare annotation was computed. [2018-11-28 18:43:17,395 INFO L451 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: true [2018-11-28 18:43:17,395 INFO L448 ceAbstractionStarter]: For program point L798-1(line 798) no Hoare annotation was computed. [2018-11-28 18:43:17,396 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 792 821) the Hoare annotation is: true [2018-11-28 18:43:17,396 INFO L451 ceAbstractionStarter]: At program point L817(lines 792 821) the Hoare annotation is: true [2018-11-28 18:43:17,396 INFO L448 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-11-28 18:43:17,396 INFO L448 ceAbstractionStarter]: For program point L806(lines 806 810) no Hoare annotation was computed. [2018-11-28 18:43:17,396 INFO L451 ceAbstractionStarter]: At program point L806-1(lines 806 810) the Hoare annotation is: true [2018-11-28 18:43:17,396 INFO L448 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-11-28 18:43:17,396 INFO L451 ceAbstractionStarter]: At program point timeShiftENTRY(lines 126 149) the Hoare annotation is: true [2018-11-28 18:43:17,397 INFO L444 ceAbstractionStarter]: At program point L139(line 139) the Hoare annotation is: (or (not (= ~systemActive~0 0)) (not (= 0 ~pumpRunning~0))) [2018-11-28 18:43:17,397 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 126 149) no Hoare annotation was computed. [2018-11-28 18:43:17,397 INFO L451 ceAbstractionStarter]: At program point L137(lines 137 143) the Hoare annotation is: true [2018-11-28 18:43:17,397 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 126 149) no Hoare annotation was computed. [2018-11-28 18:43:17,397 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-28 18:43:17,397 INFO L448 ceAbstractionStarter]: For program point L130(lines 129 148) no Hoare annotation was computed. [2018-11-28 18:43:17,397 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 283 294) the Hoare annotation is: true [2018-11-28 18:43:17,397 INFO L448 ceAbstractionStarter]: For program point L287-1(lines 283 294) no Hoare annotation was computed. [2018-11-28 18:43:17,398 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 283 294) no Hoare annotation was computed. [2018-11-28 18:43:17,398 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 375 381) no Hoare annotation was computed. [2018-11-28 18:43:17,398 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 375 381) the Hoare annotation is: true [2018-11-28 18:43:17,398 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 846 852) no Hoare annotation was computed. [2018-11-28 18:43:17,398 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 846 852) the Hoare annotation is: true [2018-11-28 18:43:17,398 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:43:17,398 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 18:43:17,399 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:43:17,399 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:43:17,399 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 262 269) no Hoare annotation was computed. [2018-11-28 18:43:17,399 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 262 269) the Hoare annotation is: true [2018-11-28 18:43:17,399 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 262 269) no Hoare annotation was computed. [2018-11-28 18:43:17,399 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 295 306) no Hoare annotation was computed. [2018-11-28 18:43:17,399 INFO L448 ceAbstractionStarter]: For program point L299-1(lines 295 306) no Hoare annotation was computed. [2018-11-28 18:43:17,399 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 295 306) the Hoare annotation is: true [2018-11-28 18:43:17,400 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 271 278) no Hoare annotation was computed. [2018-11-28 18:43:17,400 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 275) no Hoare annotation was computed. [2018-11-28 18:43:17,400 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 271 278) the Hoare annotation is: true [2018-11-28 18:43:17,400 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 271 278) no Hoare annotation was computed. [2018-11-28 18:43:17,400 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 853 862) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:17,400 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 853 862) no Hoare annotation was computed. [2018-11-28 18:43:17,400 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 853 862) no Hoare annotation was computed. [2018-11-28 18:43:17,401 INFO L444 ceAbstractionStarter]: At program point L413(line 413) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-28 18:43:17,401 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 399 423) the Hoare annotation is: true [2018-11-28 18:43:17,401 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 417) no Hoare annotation was computed. [2018-11-28 18:43:17,401 INFO L444 ceAbstractionStarter]: At program point L409(line 409) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 18:43:17,401 INFO L448 ceAbstractionStarter]: For program point L409-1(line 409) no Hoare annotation was computed. [2018-11-28 18:43:17,401 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 399 423) no Hoare annotation was computed. [2018-11-28 18:43:17,401 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 420) no Hoare annotation was computed. [2018-11-28 18:43:17,401 INFO L448 ceAbstractionStarter]: For program point L407-1(lines 399 423) no Hoare annotation was computed. [2018-11-28 18:43:17,402 INFO L451 ceAbstractionStarter]: At program point L405(line 405) the Hoare annotation is: true [2018-11-28 18:43:17,402 INFO L448 ceAbstractionStarter]: For program point L405-1(line 405) no Hoare annotation was computed. [2018-11-28 18:43:17,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:43:17 BoogieIcfgContainer [2018-11-28 18:43:17,415 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:43:17,415 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:43:17,416 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:43:17,416 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:43:17,416 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:11" (3/4) ... [2018-11-28 18:43:17,420 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:43:17,427 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:43:17,427 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:43:17,427 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:43:17,427 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:43:17,427 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:43:17,427 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:43:17,427 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 18:43:17,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:43:17,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:43:17,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:43:17,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:43:17,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:43:17,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:43:17,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:43:17,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:43:17,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:43:17,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 18:43:17,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:43:17,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:43:17,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:43:17,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:17,438 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2018-11-28 18:43:17,439 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 18:43:17,439 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 18:43:17,440 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:43:17,440 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:43:17,441 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:43:17,479 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:43:17,479 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:43:17,547 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:43:17,547 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:43:17,548 INFO L168 Benchmark]: Toolchain (without parser) took 7973.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 209.7 MB). Free memory was 951.3 MB in the beginning and 1.2 GB in the end (delta: -243.2 MB). Peak memory consumption was 290.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:17,550 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 18:43:17,550 INFO L168 Benchmark]: CACSL2BoogieTranslator took 716.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:17,551 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.08 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:17,551 INFO L168 Benchmark]: Boogie Preprocessor took 45.38 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 18:43:17,556 INFO L168 Benchmark]: RCFGBuilder took 958.42 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: 45.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:17,556 INFO L168 Benchmark]: TraceAbstraction took 6063.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 815.8 MB in the end (delta: 268.5 MB). Peak memory consumption was 268.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:17,557 INFO L168 Benchmark]: Witness Printer took 131.45 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.0 MB). Free memory was 815.8 MB in the beginning and 1.2 GB in the end (delta: -378.7 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:17,563 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 716.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.08 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.38 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 958.42 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: 45.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6063.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 815.8 MB in the end (delta: 268.5 MB). Peak memory consumption was 268.5 MB. Max. memory is 11.5 GB. * Witness Printer took 131.45 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.0 MB). Free memory was 815.8 MB in the beginning and 1.2 GB in the end (delta: -378.7 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 275]: 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: 55]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 107 locations, 1 error locations. SAFE Result, 5.9s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 2.2s AutomataDifference, 0.0s DeadEndRemovalTime, 2.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 511 SDtfs, 292 SDslu, 968 SDs, 0 SdLazy, 243 SolverSat, 50 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=299occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 30 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 308 PreInvPairs, 351 NumberOfFragments, 406 HoareAnnotationTreeSize, 308 FomulaSimplifications, 343 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 46 FomulaSimplificationsInter, 1233 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 24632 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...