./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_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_spec4_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 aa894c4db149ffc20490feb4bd4b6a764b6f938d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 18:46:23,561 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:46:23,563 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:46:23,582 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:46:23,583 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:46:23,586 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:46:23,588 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:46:23,591 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:46:23,594 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:46:23,597 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:46:23,600 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:46:23,601 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:46:23,602 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:46:23,605 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:46:23,612 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:46:23,614 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:46:23,615 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:46:23,619 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:46:23,625 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:46:23,627 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:46:23,628 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:46:23,633 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:46:23,636 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:46:23,639 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:46:23,639 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:46:23,640 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:46:23,642 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:46:23,643 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:46:23,646 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:46:23,649 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:46:23,650 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:46:23,650 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:46:23,651 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:46:23,651 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:46:23,654 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:46:23,654 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:46:23,655 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:46:23,680 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:46:23,681 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:46:23,682 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:46:23,683 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:46:23,684 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:46:23,685 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:46:23,686 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:46:23,686 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:46:23,686 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:46:23,686 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:46:23,687 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:46:23,688 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:46:23,688 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:46:23,688 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:46:23,688 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:46:23,689 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:46:23,689 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:46:23,689 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:46:23,689 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:46:23,691 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:46:23,691 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:46:23,691 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:46:23,692 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:46:23,692 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:46:23,693 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:46:23,693 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:46:23,693 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:46:23,693 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:46:23,693 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:46:23,693 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:46:23,694 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 -> aa894c4db149ffc20490feb4bd4b6a764b6f938d [2018-11-28 18:46:23,756 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:46:23,771 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:46:23,777 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:46:23,780 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:46:23,782 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:46:23,783 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product12_true-unreach-call_false-termination.cil.c [2018-11-28 18:46:23,853 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0949fc438/d433e78d8a1e47ad95c3de577aa3996a/FLAG466a037e1 [2018-11-28 18:46:24,380 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:46:24,381 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product12_true-unreach-call_false-termination.cil.c [2018-11-28 18:46:24,398 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0949fc438/d433e78d8a1e47ad95c3de577aa3996a/FLAG466a037e1 [2018-11-28 18:46:24,658 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0949fc438/d433e78d8a1e47ad95c3de577aa3996a [2018-11-28 18:46:24,663 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:46:24,665 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:46:24,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:46:24,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:46:24,671 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:46:24,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:46:24" (1/1) ... [2018-11-28 18:46:24,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19c9ac3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:24, skipping insertion in model container [2018-11-28 18:46:24,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:46:24" (1/1) ... [2018-11-28 18:46:24,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:46:24,756 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:46:25,150 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:46:25,181 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:46:25,307 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:46:25,420 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:46:25,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:25 WrapperNode [2018-11-28 18:46:25,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:46:25,422 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:46:25,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:46:25,422 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:46:25,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:25" (1/1) ... [2018-11-28 18:46:25,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:25" (1/1) ... [2018-11-28 18:46:25,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:46:25,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:46:25,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:46:25,466 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:46:25,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:25" (1/1) ... [2018-11-28 18:46:25,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:25" (1/1) ... [2018-11-28 18:46:25,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:25" (1/1) ... [2018-11-28 18:46:25,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:25" (1/1) ... [2018-11-28 18:46:25,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:25" (1/1) ... [2018-11-28 18:46:25,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:25" (1/1) ... [2018-11-28 18:46:25,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:25" (1/1) ... [2018-11-28 18:46:25,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:46:25,524 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:46:25,524 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:46:25,524 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:46:25,525 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:46:25,585 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:46:25,585 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:46:25,585 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:46:25,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:46:25,586 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:46:25,586 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:46:25,586 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 18:46:25,586 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 18:46:25,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:46:25,587 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:46:25,587 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:46:25,587 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:46:25,587 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:46:25,590 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:46:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:46:25,590 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 18:46:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 18:46:25,590 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:46:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:46:25,590 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:46:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:46:25,591 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:46:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:46:25,591 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 18:46:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 18:46:25,591 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:46:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:46:25,594 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:46:25,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:46:25,594 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:46:25,595 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:46:25,595 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:46:25,595 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:46:25,596 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:46:25,596 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:46:25,597 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:46:25,597 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:46:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:46:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:46:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:46:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:46:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:46:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:46:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:46:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:46:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:46:26,397 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:46:26,397 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:46:26,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:46:26 BoogieIcfgContainer [2018-11-28 18:46:26,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:46:26,398 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:46:26,398 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:46:26,402 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:46:26,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:46:24" (1/3) ... [2018-11-28 18:46:26,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a0225a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:46:26, skipping insertion in model container [2018-11-28 18:46:26,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:25" (2/3) ... [2018-11-28 18:46:26,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a0225a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:46:26, skipping insertion in model container [2018-11-28 18:46:26,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:46:26" (3/3) ... [2018-11-28 18:46:26,407 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product12_true-unreach-call_false-termination.cil.c [2018-11-28 18:46:26,416 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:46:26,423 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:46:26,441 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:46:26,474 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:46:26,475 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:46:26,475 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:46:26,475 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:46:26,476 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:46:26,476 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:46:26,476 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:46:26,476 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:46:26,476 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:46:26,496 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2018-11-28 18:46:26,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 18:46:26,506 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:26,507 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 18:46:26,510 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:26,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:26,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1179475504, now seen corresponding path program 1 times [2018-11-28 18:46:26,518 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:26,519 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:26,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:26,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:26,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:26,856 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 18:46:26,859 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:26,860 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:46:26,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:46:26,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:46:26,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:46:26,887 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2018-11-28 18:46:26,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:26,946 INFO L93 Difference]: Finished difference Result 188 states and 233 transitions. [2018-11-28 18:46:26,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:46:26,948 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 18:46:26,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:26,966 INFO L225 Difference]: With dead ends: 188 [2018-11-28 18:46:26,966 INFO L226 Difference]: Without dead ends: 94 [2018-11-28 18:46:26,971 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 18:46:26,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-11-28 18:46:27,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-11-28 18:46:27,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-11-28 18:46:27,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2018-11-28 18:46:27,060 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 46 [2018-11-28 18:46:27,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:27,060 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2018-11-28 18:46:27,060 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:46:27,061 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2018-11-28 18:46:27,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 18:46:27,065 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:27,065 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 18:46:27,065 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:27,066 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:27,066 INFO L82 PathProgramCache]: Analyzing trace with hash 75034757, now seen corresponding path program 1 times [2018-11-28 18:46:27,066 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:27,066 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:27,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:27,068 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:27,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:27,306 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 18:46:27,306 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:27,306 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:46:27,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:46:27,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:46:27,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:46:27,309 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand 3 states. [2018-11-28 18:46:27,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:27,341 INFO L93 Difference]: Finished difference Result 124 states and 141 transitions. [2018-11-28 18:46:27,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:46:27,342 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 18:46:27,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:27,344 INFO L225 Difference]: With dead ends: 124 [2018-11-28 18:46:27,344 INFO L226 Difference]: Without dead ends: 85 [2018-11-28 18:46:27,346 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 18:46:27,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-11-28 18:46:27,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-11-28 18:46:27,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-11-28 18:46:27,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 96 transitions. [2018-11-28 18:46:27,360 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 96 transitions. Word has length 47 [2018-11-28 18:46:27,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:27,360 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 96 transitions. [2018-11-28 18:46:27,360 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:46:27,360 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2018-11-28 18:46:27,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:46:27,364 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:27,364 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 18:46:27,364 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:27,365 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:27,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1181026810, now seen corresponding path program 1 times [2018-11-28 18:46:27,365 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:27,365 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:27,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:27,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:27,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:27,736 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 18:46:27,737 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:27,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:46:27,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:46:27,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:46:27,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:46:27,738 INFO L87 Difference]: Start difference. First operand 85 states and 96 transitions. Second operand 7 states. [2018-11-28 18:46:28,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:28,698 INFO L93 Difference]: Finished difference Result 257 states and 308 transitions. [2018-11-28 18:46:28,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:46:28,699 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-28 18:46:28,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:28,705 INFO L225 Difference]: With dead ends: 257 [2018-11-28 18:46:28,705 INFO L226 Difference]: Without dead ends: 196 [2018-11-28 18:46:28,708 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 18:46:28,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-11-28 18:46:28,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 172. [2018-11-28 18:46:28,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-11-28 18:46:28,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 204 transitions. [2018-11-28 18:46:28,767 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 204 transitions. Word has length 52 [2018-11-28 18:46:28,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:28,772 INFO L480 AbstractCegarLoop]: Abstraction has 172 states and 204 transitions. [2018-11-28 18:46:28,773 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:46:28,773 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 204 transitions. [2018-11-28 18:46:28,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-28 18:46:28,777 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:28,778 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 18:46:28,778 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:28,778 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:28,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1435483632, now seen corresponding path program 1 times [2018-11-28 18:46:28,778 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:28,779 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:28,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:28,782 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:28,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:29,110 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 18:46:29,112 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:29,112 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 18:46:29,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 18:46:29,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 18:46:29,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:46:29,114 INFO L87 Difference]: Start difference. First operand 172 states and 204 transitions. Second operand 10 states. [2018-11-28 18:46:30,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:30,602 INFO L93 Difference]: Finished difference Result 568 states and 735 transitions. [2018-11-28 18:46:30,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 18:46:30,604 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2018-11-28 18:46:30,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:30,617 INFO L225 Difference]: With dead ends: 568 [2018-11-28 18:46:30,619 INFO L226 Difference]: Without dead ends: 420 [2018-11-28 18:46:30,623 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:46:30,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2018-11-28 18:46:30,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 408. [2018-11-28 18:46:30,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2018-11-28 18:46:30,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 502 transitions. [2018-11-28 18:46:30,706 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 502 transitions. Word has length 55 [2018-11-28 18:46:30,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:30,707 INFO L480 AbstractCegarLoop]: Abstraction has 408 states and 502 transitions. [2018-11-28 18:46:30,707 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 18:46:30,707 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 502 transitions. [2018-11-28 18:46:30,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-28 18:46:30,711 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:30,712 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 18:46:30,712 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:30,712 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:30,712 INFO L82 PathProgramCache]: Analyzing trace with hash 2010806154, now seen corresponding path program 1 times [2018-11-28 18:46:30,712 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:30,713 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:30,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:30,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:30,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:30,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:30,891 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 18:46:30,891 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:30,891 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:46:30,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:46:30,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:46:30,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:46:30,893 INFO L87 Difference]: Start difference. First operand 408 states and 502 transitions. Second operand 3 states. [2018-11-28 18:46:30,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:30,929 INFO L93 Difference]: Finished difference Result 750 states and 937 transitions. [2018-11-28 18:46:30,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:46:30,932 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2018-11-28 18:46:30,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:30,935 INFO L225 Difference]: With dead ends: 750 [2018-11-28 18:46:30,936 INFO L226 Difference]: Without dead ends: 366 [2018-11-28 18:46:30,938 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:46:30,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2018-11-28 18:46:30,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2018-11-28 18:46:30,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2018-11-28 18:46:30,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 428 transitions. [2018-11-28 18:46:30,977 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 428 transitions. Word has length 59 [2018-11-28 18:46:30,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:30,977 INFO L480 AbstractCegarLoop]: Abstraction has 366 states and 428 transitions. [2018-11-28 18:46:30,977 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:46:30,977 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 428 transitions. [2018-11-28 18:46:30,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-28 18:46:30,980 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:30,980 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:46:30,980 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:30,981 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:30,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1169922515, now seen corresponding path program 1 times [2018-11-28 18:46:30,981 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:30,981 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:30,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:30,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:30,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:31,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:31,558 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-28 18:46:31,559 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:31,559 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:46:31,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:46:31,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:46:31,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:46:31,567 INFO L87 Difference]: Start difference. First operand 366 states and 428 transitions. Second operand 7 states. [2018-11-28 18:46:31,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:31,939 INFO L93 Difference]: Finished difference Result 372 states and 434 transitions. [2018-11-28 18:46:31,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:46:31,940 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 89 [2018-11-28 18:46:31,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:31,942 INFO L225 Difference]: With dead ends: 372 [2018-11-28 18:46:31,942 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:46:31,943 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-28 18:46:31,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:46:31,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:46:31,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:46:31,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:46:31,944 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2018-11-28 18:46:31,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:31,945 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:46:31,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:46:31,945 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:46:31,945 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:46:31,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:46:32,618 WARN L180 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 4 [2018-11-28 18:46:32,938 WARN L180 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2018-11-28 18:46:33,756 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 16 [2018-11-28 18:46:33,960 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 1 [2018-11-28 18:46:34,115 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 1 [2018-11-28 18:46:34,274 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 20 [2018-11-28 18:46:34,563 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 290 297) the Hoare annotation is: true [2018-11-28 18:46:34,563 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 290 297) no Hoare annotation was computed. [2018-11-28 18:46:34,564 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 290 297) no Hoare annotation was computed. [2018-11-28 18:46:34,564 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 257 263) no Hoare annotation was computed. [2018-11-28 18:46:34,564 INFO L451 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 257 263) the Hoare annotation is: true [2018-11-28 18:46:34,564 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 399 405) the Hoare annotation is: true [2018-11-28 18:46:34,564 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 399 405) no Hoare annotation was computed. [2018-11-28 18:46:34,565 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 406 414) no Hoare annotation was computed. [2018-11-28 18:46:34,565 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 406 414) the Hoare annotation is: true [2018-11-28 18:46:34,565 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 406 414) no Hoare annotation was computed. [2018-11-28 18:46:34,565 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 158 225) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:34,566 INFO L444 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:34,566 INFO L448 ceAbstractionStarter]: For program point L188(lines 188 194) no Hoare annotation was computed. [2018-11-28 18:46:34,566 INFO L448 ceAbstractionStarter]: For program point L188-1(lines 188 194) no Hoare annotation was computed. [2018-11-28 18:46:34,566 INFO L444 ceAbstractionStarter]: At program point L215(lines 168 217) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:34,566 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 158 225) no Hoare annotation was computed. [2018-11-28 18:46:34,566 INFO L444 ceAbstractionStarter]: At program point L180(line 180) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:34,567 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 184) no Hoare annotation was computed. [2018-11-28 18:46:34,567 INFO L448 ceAbstractionStarter]: For program point L178-1(lines 178 184) no Hoare annotation was computed. [2018-11-28 18:46:34,567 INFO L448 ceAbstractionStarter]: For program point L170(lines 170 174) no Hoare annotation was computed. [2018-11-28 18:46:34,567 INFO L444 ceAbstractionStarter]: At program point L218(lines 167 219) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:34,567 INFO L444 ceAbstractionStarter]: At program point L208(line 208) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:34,567 INFO L448 ceAbstractionStarter]: For program point L206(lines 206 212) no Hoare annotation was computed. [2018-11-28 18:46:34,567 INFO L444 ceAbstractionStarter]: At program point L206-1(lines 198 213) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:34,567 INFO L448 ceAbstractionStarter]: For program point L169(lines 168 217) no Hoare annotation was computed. [2018-11-28 18:46:34,568 INFO L444 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:34,568 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 213) no Hoare annotation was computed. [2018-11-28 18:46:34,568 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 158 225) no Hoare annotation was computed. [2018-11-28 18:46:34,568 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 128 152) the Hoare annotation is: true [2018-11-28 18:46:34,568 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 128 152) no Hoare annotation was computed. [2018-11-28 18:46:34,568 INFO L444 ceAbstractionStarter]: At program point L142(line 142) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-28 18:46:34,568 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 146) no Hoare annotation was computed. [2018-11-28 18:46:34,568 INFO L444 ceAbstractionStarter]: At program point L138(line 138) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0)) [2018-11-28 18:46:34,569 INFO L448 ceAbstractionStarter]: For program point L138-1(line 138) no Hoare annotation was computed. [2018-11-28 18:46:34,569 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 149) no Hoare annotation was computed. [2018-11-28 18:46:34,569 INFO L448 ceAbstractionStarter]: For program point L136-1(lines 128 152) no Hoare annotation was computed. [2018-11-28 18:46:34,569 INFO L451 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: true [2018-11-28 18:46:34,569 INFO L448 ceAbstractionStarter]: For program point L134-1(line 134) no Hoare annotation was computed. [2018-11-28 18:46:34,569 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:34,569 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2018-11-28 18:46:34,570 INFO L444 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:34,570 INFO L444 ceAbstractionStarter]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:34,570 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 505) no Hoare annotation was computed. [2018-11-28 18:46:34,570 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2018-11-28 18:46:34,570 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-28 18:46:34,570 INFO L444 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:34,570 INFO L444 ceAbstractionStarter]: At program point L494(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:34,570 INFO L444 ceAbstractionStarter]: At program point L494-1(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:34,571 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2018-11-28 18:46:34,571 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 354 368) no Hoare annotation was computed. [2018-11-28 18:46:34,571 INFO L444 ceAbstractionStarter]: At program point L360(line 360) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-28 18:46:34,571 INFO L448 ceAbstractionStarter]: For program point L358(lines 358 364) no Hoare annotation was computed. [2018-11-28 18:46:34,571 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 354 368) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-28 18:46:34,571 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 354 368) no Hoare annotation was computed. [2018-11-28 18:46:34,571 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 309 317) no Hoare annotation was computed. [2018-11-28 18:46:34,571 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 309 317) the Hoare annotation is: true [2018-11-28 18:46:34,571 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 309 317) no Hoare annotation was computed. [2018-11-28 18:46:34,571 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:46:34,572 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-11-28 18:46:34,572 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:46:34,572 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2018-11-28 18:46:34,572 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2018-11-28 18:46:34,572 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2018-11-28 18:46:34,572 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: true [2018-11-28 18:46:34,572 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2018-11-28 18:46:34,572 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2018-11-28 18:46:34,572 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 417 446) no Hoare annotation was computed. [2018-11-28 18:46:34,573 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 417 446) the Hoare annotation is: true [2018-11-28 18:46:34,573 INFO L451 ceAbstractionStarter]: At program point L442(lines 417 446) the Hoare annotation is: true [2018-11-28 18:46:34,573 INFO L448 ceAbstractionStarter]: For program point L438(line 438) no Hoare annotation was computed. [2018-11-28 18:46:34,573 INFO L448 ceAbstractionStarter]: For program point L431(lines 431 435) no Hoare annotation was computed. [2018-11-28 18:46:34,573 INFO L451 ceAbstractionStarter]: At program point L431-1(lines 431 435) the Hoare annotation is: true [2018-11-28 18:46:34,573 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-28 18:46:34,573 INFO L451 ceAbstractionStarter]: At program point L427-2(lines 427 441) the Hoare annotation is: true [2018-11-28 18:46:34,573 INFO L451 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: true [2018-11-28 18:46:34,573 INFO L448 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2018-11-28 18:46:34,574 INFO L444 ceAbstractionStarter]: At program point L246(line 246) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= |old(~waterLevel~0)| 0) (not (= ~waterLevel~0 0))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (or .cse0 (not (= ~systemActive~0 0))))) [2018-11-28 18:46:34,574 INFO L444 ceAbstractionStarter]: At program point L244(lines 244 250) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (or (not (= ~waterLevel~0 0)) .cse0 (= |old(~waterLevel~0)| 0)))) [2018-11-28 18:46:34,574 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 233 256) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (or (not (= ~waterLevel~0 0)) .cse0 (= |old(~waterLevel~0)| 0)))) [2018-11-28 18:46:34,574 INFO L444 ceAbstractionStarter]: At program point L239(line 239) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-28 18:46:34,574 INFO L448 ceAbstractionStarter]: For program point L237(lines 236 255) no Hoare annotation was computed. [2018-11-28 18:46:34,574 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 233 256) no Hoare annotation was computed. [2018-11-28 18:46:34,574 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 233 256) no Hoare annotation was computed. [2018-11-28 18:46:34,575 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2018-11-28 18:46:34,575 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2018-11-28 18:46:34,575 INFO L448 ceAbstractionStarter]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2018-11-28 18:46:34,575 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 392 398) no Hoare annotation was computed. [2018-11-28 18:46:34,575 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 392 398) the Hoare annotation is: true [2018-11-28 18:46:34,575 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 471 477) no Hoare annotation was computed. [2018-11-28 18:46:34,575 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 471 477) the Hoare annotation is: true [2018-11-28 18:46:34,575 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:46:34,576 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 18:46:34,576 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:46:34,576 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:46:34,576 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 369 376) no Hoare annotation was computed. [2018-11-28 18:46:34,576 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 369 376) the Hoare annotation is: true [2018-11-28 18:46:34,576 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 369 376) no Hoare annotation was computed. [2018-11-28 18:46:34,576 INFO L448 ceAbstractionStarter]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2018-11-28 18:46:34,576 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2018-11-28 18:46:34,576 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) [2018-11-28 18:46:34,577 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 878 885) no Hoare annotation was computed. [2018-11-28 18:46:34,577 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 882) no Hoare annotation was computed. [2018-11-28 18:46:34,577 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 878 885) the Hoare annotation is: true [2018-11-28 18:46:34,577 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 878 885) no Hoare annotation was computed. [2018-11-28 18:46:34,577 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 478 487) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:34,577 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 478 487) no Hoare annotation was computed. [2018-11-28 18:46:34,577 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 478 487) no Hoare annotation was computed. [2018-11-28 18:46:34,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:46:34 BoogieIcfgContainer [2018-11-28 18:46:34,591 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:46:34,591 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:46:34,591 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:46:34,592 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:46:34,592 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:46:26" (3/4) ... [2018-11-28 18:46:34,596 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:46:34,603 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:46:34,603 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:46:34,603 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:46:34,603 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:46:34,604 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:46:34,604 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:46:34,604 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:46:34,604 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 18:46:34,604 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:46:34,604 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:46:34,604 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 18:46:34,604 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:46:34,604 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:46:34,604 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:46:34,605 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:46:34,605 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:46:34,605 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:46:34,605 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 18:46:34,605 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:46:34,606 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:46:34,606 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:46:34,616 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2018-11-28 18:46:34,617 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 18:46:34,617 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 18:46:34,618 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:46:34,618 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:46:34,619 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:46:34,663 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(waterLevel) == 1) [2018-11-28 18:46:34,663 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-28 18:46:34,740 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:46:34,740 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:46:34,741 INFO L168 Benchmark]: Toolchain (without parser) took 10077.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 197.1 MB). Free memory was 952.7 MB in the beginning and 1.0 GB in the end (delta: -63.8 MB). Peak memory consumption was 133.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:34,742 INFO L168 Benchmark]: CDTParser took 0.23 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 18:46:34,742 INFO L168 Benchmark]: CACSL2BoogieTranslator took 755.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -164.7 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:34,742 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.80 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:34,743 INFO L168 Benchmark]: Boogie Preprocessor took 57.99 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 18:46:34,743 INFO L168 Benchmark]: RCFGBuilder took 873.86 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: 39.4 MB). Peak memory consumption was 39.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:34,743 INFO L168 Benchmark]: TraceAbstraction took 8192.57 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.6 MB). Peak memory consumption was 291.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:34,744 INFO L168 Benchmark]: Witness Printer took 148.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:34,746 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 755.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -164.7 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.80 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.99 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 873.86 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: 39.4 MB). Peak memory consumption was 39.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8192.57 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.6 MB). Peak memory consumption was 291.6 MB. Max. memory is 11.5 GB. * Witness Printer took 148.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 882]: 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: 167]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 107 locations, 1 error locations. SAFE Result, 8.1s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 3.0s AutomataDifference, 0.0s DeadEndRemovalTime, 2.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 585 SDtfs, 469 SDslu, 1152 SDs, 0 SdLazy, 539 SolverSat, 129 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=408occurred 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, 36 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 383 PreInvPairs, 444 NumberOfFragments, 480 HoareAnnotationTreeSize, 383 FomulaSimplifications, 693 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 46 FomulaSimplificationsInter, 2127 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 348 NumberOfCodeBlocks, 348 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 342 ConstructedInterpolants, 0 QuantifiedInterpolants, 41424 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 24/24 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...