./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product10_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_product10_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 eac2167e56762050a6cde7d8ccfbf36c5d226056 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 18:46:21,713 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:46:21,715 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:46:21,728 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:46:21,728 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:46:21,729 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:46:21,730 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:46:21,733 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:46:21,738 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:46:21,739 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:46:21,740 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:46:21,740 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:46:21,741 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:46:21,742 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:46:21,746 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:46:21,747 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:46:21,748 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:46:21,750 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:46:21,752 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:46:21,754 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:46:21,755 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:46:21,757 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:46:21,759 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:46:21,760 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:46:21,760 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:46:21,761 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:46:21,762 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:46:21,763 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:46:21,764 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:46:21,765 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:46:21,765 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:46:21,766 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:46:21,766 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:46:21,766 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:46:21,768 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:46:21,768 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:46:21,769 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:46:21,785 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:46:21,786 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:46:21,787 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:46:21,787 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:46:21,788 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:46:21,788 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:46:21,788 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:46:21,788 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:46:21,789 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:46:21,789 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:46:21,789 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:46:21,789 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:46:21,789 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:46:21,790 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:46:21,790 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:46:21,790 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:46:21,790 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:46:21,790 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:46:21,791 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:46:21,791 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:46:21,791 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:46:21,791 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:46:21,791 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:46:21,792 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:46:21,792 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:46:21,792 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:46:21,792 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:46:21,792 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:46:21,793 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:46:21,793 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:46:21,793 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 -> eac2167e56762050a6cde7d8ccfbf36c5d226056 [2018-11-28 18:46:21,841 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:46:21,861 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:46:21,868 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:46:21,871 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:46:21,872 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:46:21,873 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product10_true-unreach-call_false-termination.cil.c [2018-11-28 18:46:21,936 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60823a8c7/0f1b80c4e4dd490d82632607b17cc4d5/FLAG485e25f1b [2018-11-28 18:46:22,479 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:46:22,482 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product10_true-unreach-call_false-termination.cil.c [2018-11-28 18:46:22,496 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60823a8c7/0f1b80c4e4dd490d82632607b17cc4d5/FLAG485e25f1b [2018-11-28 18:46:22,795 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60823a8c7/0f1b80c4e4dd490d82632607b17cc4d5 [2018-11-28 18:46:22,799 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:46:22,800 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:46:22,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:46:22,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:46:22,806 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:46:22,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:46:22" (1/1) ... [2018-11-28 18:46:22,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@629a53d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:22, skipping insertion in model container [2018-11-28 18:46:22,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:46:22" (1/1) ... [2018-11-28 18:46:22,818 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:46:22,864 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:46:23,211 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:46:23,241 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:46:23,358 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:46:23,400 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:46:23,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:23 WrapperNode [2018-11-28 18:46:23,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:46:23,402 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:46:23,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:46:23,402 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:46:23,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:23" (1/1) ... [2018-11-28 18:46:23,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:23" (1/1) ... [2018-11-28 18:46:23,518 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:46:23,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:46:23,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:46:23,519 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:46:23,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:23" (1/1) ... [2018-11-28 18:46:23,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:23" (1/1) ... [2018-11-28 18:46:23,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:23" (1/1) ... [2018-11-28 18:46:23,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:23" (1/1) ... [2018-11-28 18:46:23,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:23" (1/1) ... [2018-11-28 18:46:23,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:23" (1/1) ... [2018-11-28 18:46:23,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:23" (1/1) ... [2018-11-28 18:46:23,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:46:23,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:46:23,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:46:23,559 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:46:23,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:23" (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 18:46:23,619 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:46:23,619 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:46:23,619 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:46:23,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:46:23,620 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:46:23,620 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:46:23,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:46:23,620 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:46:23,621 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:46:23,621 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:46:23,621 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:46:23,621 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:46:23,621 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:46:23,621 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 18:46:23,622 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 18:46:23,622 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:46:23,622 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:46:23,622 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:46:23,622 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:46:23,622 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:46:23,623 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:46:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 18:46:23,623 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 18:46:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:46:23,623 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:46:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:46:23,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:46:23,624 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:46:23,624 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:46:23,624 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:46:23,624 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:46:23,624 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:46:23,624 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:46:23,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:46:23,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:46:23,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:46:23,625 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:46:23,625 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:46:23,625 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:46:23,625 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:46:23,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:46:23,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:46:24,509 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:46:24,509 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:46:24,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:46:24 BoogieIcfgContainer [2018-11-28 18:46:24,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:46:24,511 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:46:24,511 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:46:24,515 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:46:24,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:46:22" (1/3) ... [2018-11-28 18:46:24,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b51725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:46:24, skipping insertion in model container [2018-11-28 18:46:24,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:23" (2/3) ... [2018-11-28 18:46:24,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b51725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:46:24, skipping insertion in model container [2018-11-28 18:46:24,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:46:24" (3/3) ... [2018-11-28 18:46:24,521 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product10_true-unreach-call_false-termination.cil.c [2018-11-28 18:46:24,532 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:46:24,542 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:46:24,560 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:46:24,595 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:46:24,596 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:46:24,596 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:46:24,596 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:46:24,596 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:46:24,596 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:46:24,597 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:46:24,597 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:46:24,597 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:46:24,620 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2018-11-28 18:46:24,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 18:46:24,630 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:24,631 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 18:46:24,634 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:24,640 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:24,640 INFO L82 PathProgramCache]: Analyzing trace with hash 537014673, now seen corresponding path program 1 times [2018-11-28 18:46:24,642 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:24,643 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:24,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:24,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:24,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:24,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:24,970 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 18:46:24,973 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:24,974 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:46:24,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:46:24,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:46:24,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:46:25,002 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 2 states. [2018-11-28 18:46:25,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:25,050 INFO L93 Difference]: Finished difference Result 170 states and 213 transitions. [2018-11-28 18:46:25,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:46:25,053 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 18:46:25,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:25,067 INFO L225 Difference]: With dead ends: 170 [2018-11-28 18:46:25,067 INFO L226 Difference]: Without dead ends: 85 [2018-11-28 18:46:25,075 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 18:46:25,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-11-28 18:46:25,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-11-28 18:46:25,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-11-28 18:46:25,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 98 transitions. [2018-11-28 18:46:25,156 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 98 transitions. Word has length 46 [2018-11-28 18:46:25,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:25,156 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 98 transitions. [2018-11-28 18:46:25,157 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:46:25,157 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2018-11-28 18:46:25,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 18:46:25,160 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:25,161 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 18:46:25,161 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:25,162 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:25,162 INFO L82 PathProgramCache]: Analyzing trace with hash -299004331, now seen corresponding path program 1 times [2018-11-28 18:46:25,162 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:25,162 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:25,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:25,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:25,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:25,319 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 18:46:25,320 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:25,320 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:46:25,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:46:25,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:46:25,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:46:25,323 INFO L87 Difference]: Start difference. First operand 85 states and 98 transitions. Second operand 3 states. [2018-11-28 18:46:25,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:25,353 INFO L93 Difference]: Finished difference Result 115 states and 131 transitions. [2018-11-28 18:46:25,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:46:25,354 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 18:46:25,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:25,356 INFO L225 Difference]: With dead ends: 115 [2018-11-28 18:46:25,356 INFO L226 Difference]: Without dead ends: 76 [2018-11-28 18:46:25,358 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 18:46:25,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-11-28 18:46:25,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-11-28 18:46:25,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-11-28 18:46:25,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2018-11-28 18:46:25,370 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 47 [2018-11-28 18:46:25,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:25,370 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2018-11-28 18:46:25,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:46:25,371 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2018-11-28 18:46:25,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:46:25,373 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:25,373 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 18:46:25,373 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:25,374 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:25,374 INFO L82 PathProgramCache]: Analyzing trace with hash 613224565, now seen corresponding path program 1 times [2018-11-28 18:46:25,374 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:25,374 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:25,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:25,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:25,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:25,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:25,746 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 18:46:25,747 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:25,747 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:46:25,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:46:25,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:46:25,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:46:25,751 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand 7 states. [2018-11-28 18:46:26,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:26,219 INFO L93 Difference]: Finished difference Result 128 states and 149 transitions. [2018-11-28 18:46:26,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:46:26,220 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-28 18:46:26,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:26,222 INFO L225 Difference]: With dead ends: 128 [2018-11-28 18:46:26,222 INFO L226 Difference]: Without dead ends: 76 [2018-11-28 18:46:26,223 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 18:46:26,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-11-28 18:46:26,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-11-28 18:46:26,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-11-28 18:46:26,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2018-11-28 18:46:26,236 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 52 [2018-11-28 18:46:26,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:26,237 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2018-11-28 18:46:26,237 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:46:26,237 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2018-11-28 18:46:26,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-28 18:46:26,246 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:26,247 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 18:46:26,247 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:26,247 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:26,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1152648801, now seen corresponding path program 1 times [2018-11-28 18:46:26,248 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:26,248 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:26,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:26,251 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:26,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:26,515 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 18:46:26,516 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:26,516 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 18:46:26,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 18:46:26,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 18:46:26,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:46:26,518 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 10 states. [2018-11-28 18:46:27,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:27,767 INFO L93 Difference]: Finished difference Result 212 states and 261 transitions. [2018-11-28 18:46:27,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 18:46:27,769 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2018-11-28 18:46:27,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:27,774 INFO L225 Difference]: With dead ends: 212 [2018-11-28 18:46:27,774 INFO L226 Difference]: Without dead ends: 160 [2018-11-28 18:46:27,776 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:46:27,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-11-28 18:46:27,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 156. [2018-11-28 18:46:27,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-11-28 18:46:27,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 183 transitions. [2018-11-28 18:46:27,811 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 183 transitions. Word has length 55 [2018-11-28 18:46:27,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:27,814 INFO L480 AbstractCegarLoop]: Abstraction has 156 states and 183 transitions. [2018-11-28 18:46:27,814 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 18:46:27,814 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 183 transitions. [2018-11-28 18:46:27,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-28 18:46:27,817 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:27,817 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 18:46:27,818 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:27,818 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:27,819 INFO L82 PathProgramCache]: Analyzing trace with hash -742799653, now seen corresponding path program 1 times [2018-11-28 18:46:27,819 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:27,819 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:27,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:27,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:27,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:27,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:27,944 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 18:46:27,944 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:27,945 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:46:27,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:46:27,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:46:27,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:46:27,946 INFO L87 Difference]: Start difference. First operand 156 states and 183 transitions. Second operand 3 states. [2018-11-28 18:46:27,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:27,979 INFO L93 Difference]: Finished difference Result 241 states and 285 transitions. [2018-11-28 18:46:27,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:46:27,980 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2018-11-28 18:46:27,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:27,982 INFO L225 Difference]: With dead ends: 241 [2018-11-28 18:46:27,982 INFO L226 Difference]: Without dead ends: 146 [2018-11-28 18:46:27,983 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 18:46:27,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-11-28 18:46:28,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-11-28 18:46:28,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-11-28 18:46:28,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 164 transitions. [2018-11-28 18:46:28,003 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 164 transitions. Word has length 59 [2018-11-28 18:46:28,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:28,004 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 164 transitions. [2018-11-28 18:46:28,004 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:46:28,004 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 164 transitions. [2018-11-28 18:46:28,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-28 18:46:28,008 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:28,008 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:46:28,008 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:28,009 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:28,009 INFO L82 PathProgramCache]: Analyzing trace with hash -2045304354, now seen corresponding path program 1 times [2018-11-28 18:46:28,009 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:28,009 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:28,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:28,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:28,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:28,222 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-28 18:46:28,223 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:28,223 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:46:28,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:46:28,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:46:28,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:46:28,224 INFO L87 Difference]: Start difference. First operand 146 states and 164 transitions. Second operand 6 states. [2018-11-28 18:46:28,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:28,439 INFO L93 Difference]: Finished difference Result 148 states and 166 transitions. [2018-11-28 18:46:28,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:46:28,443 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 90 [2018-11-28 18:46:28,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:28,444 INFO L225 Difference]: With dead ends: 148 [2018-11-28 18:46:28,444 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:46:28,445 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:46:28,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:46:28,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:46:28,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:46:28,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:46:28,447 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 90 [2018-11-28 18:46:28,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:28,448 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:46:28,448 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:46:28,448 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:46:28,448 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:46:28,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:46:29,074 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 19 [2018-11-28 18:46:29,621 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 581 587) no Hoare annotation was computed. [2018-11-28 18:46:29,621 INFO L451 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 581 587) the Hoare annotation is: true [2018-11-28 18:46:29,621 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 852 858) the Hoare annotation is: true [2018-11-28 18:46:29,621 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 852 858) no Hoare annotation was computed. [2018-11-28 18:46:29,621 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 859 867) no Hoare annotation was computed. [2018-11-28 18:46:29,621 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 859 867) the Hoare annotation is: true [2018-11-28 18:46:29,622 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 859 867) no Hoare annotation was computed. [2018-11-28 18:46:29,622 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 687 752) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:29,622 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 739) no Hoare annotation was computed. [2018-11-28 18:46:29,622 INFO L444 ceAbstractionStarter]: At program point L735-2(lines 727 740) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:29,622 INFO L448 ceAbstractionStarter]: For program point L698(lines 697 744) no Hoare annotation was computed. [2018-11-28 18:46:29,622 INFO L444 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:29,622 INFO L448 ceAbstractionStarter]: For program point L727(lines 727 740) no Hoare annotation was computed. [2018-11-28 18:46:29,623 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 687 752) no Hoare annotation was computed. [2018-11-28 18:46:29,623 INFO L444 ceAbstractionStarter]: At program point L719(line 719) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:29,623 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 723) no Hoare annotation was computed. [2018-11-28 18:46:29,623 INFO L448 ceAbstractionStarter]: For program point L717-1(lines 717 723) no Hoare annotation was computed. [2018-11-28 18:46:29,623 INFO L444 ceAbstractionStarter]: At program point L742(lines 697 744) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:29,623 INFO L444 ceAbstractionStarter]: At program point L709(line 709) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:29,623 INFO L448 ceAbstractionStarter]: For program point L707(lines 707 713) no Hoare annotation was computed. [2018-11-28 18:46:29,624 INFO L448 ceAbstractionStarter]: For program point L707-1(lines 707 713) no Hoare annotation was computed. [2018-11-28 18:46:29,624 INFO L448 ceAbstractionStarter]: For program point L699(lines 699 703) no Hoare annotation was computed. [2018-11-28 18:46:29,624 INFO L444 ceAbstractionStarter]: At program point L745(lines 696 746) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:29,624 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 687 752) no Hoare annotation was computed. [2018-11-28 18:46:29,624 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2018-11-28 18:46:29,624 INFO L444 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-28 18:46:29,624 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2018-11-28 18:46:29,624 INFO L444 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0) (not (= ~systemActive~0 1))) [2018-11-28 18:46:29,625 INFO L448 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-11-28 18:46:29,625 INFO L448 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2018-11-28 18:46:29,625 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2018-11-28 18:46:29,625 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2018-11-28 18:46:29,625 INFO L451 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2018-11-28 18:46:29,625 INFO L448 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2018-11-28 18:46:29,628 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 524 546) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:29,628 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 524 546) no Hoare annotation was computed. [2018-11-28 18:46:29,628 INFO L444 ceAbstractionStarter]: At program point L536(line 536) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= main_~tmp~4 ~waterLevel~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:29,628 INFO L444 ceAbstractionStarter]: At program point L536-1(line 536) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= main_~tmp~4 ~waterLevel~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:29,628 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 541) no Hoare annotation was computed. [2018-11-28 18:46:29,628 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 534 541) no Hoare annotation was computed. [2018-11-28 18:46:29,628 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-28 18:46:29,629 INFO L444 ceAbstractionStarter]: At program point L531(line 531) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:29,629 INFO L444 ceAbstractionStarter]: At program point L530(line 530) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:29,629 INFO L444 ceAbstractionStarter]: At program point L530-1(line 530) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:29,629 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 524 546) no Hoare annotation was computed. [2018-11-28 18:46:29,629 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 633 641) no Hoare annotation was computed. [2018-11-28 18:46:29,629 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 633 641) the Hoare annotation is: true [2018-11-28 18:46:29,629 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 633 641) no Hoare annotation was computed. [2018-11-28 18:46:29,629 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:46:29,630 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:46:29,630 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:46:29,630 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 824 832) the Hoare annotation is: true [2018-11-28 18:46:29,630 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 824 832) no Hoare annotation was computed. [2018-11-28 18:46:29,630 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 824 832) no Hoare annotation was computed. [2018-11-28 18:46:29,630 INFO L448 ceAbstractionStarter]: For program point L784-1(lines 780 791) no Hoare annotation was computed. [2018-11-28 18:46:29,630 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 780 791) the Hoare annotation is: true [2018-11-28 18:46:29,630 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 780 791) no Hoare annotation was computed. [2018-11-28 18:46:29,630 INFO L444 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= |old(~waterLevel~0)| 0) .cse1 (not (= ~waterLevel~0 0))) (or .cse0 (= ~waterLevel~0 1) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-28 18:46:29,631 INFO L444 ceAbstractionStarter]: At program point L568(lines 568 574) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= |old(~waterLevel~0)| 0) .cse1 (not (= ~waterLevel~0 0))) (or .cse0 (= ~waterLevel~0 1) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-28 18:46:29,631 INFO L444 ceAbstractionStarter]: At program point L563(line 563) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-28 18:46:29,631 INFO L448 ceAbstractionStarter]: For program point L561(lines 560 579) no Hoare annotation was computed. [2018-11-28 18:46:29,631 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 557 580) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= |old(~waterLevel~0)| 0) .cse1 (not (= ~waterLevel~0 0))) (or .cse0 (= ~waterLevel~0 1) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-28 18:46:29,631 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 557 580) no Hoare annotation was computed. [2018-11-28 18:46:29,631 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 557 580) no Hoare annotation was computed. [2018-11-28 18:46:29,631 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 446 475) no Hoare annotation was computed. [2018-11-28 18:46:29,632 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 446 475) the Hoare annotation is: true [2018-11-28 18:46:29,632 INFO L451 ceAbstractionStarter]: At program point L471(lines 446 475) the Hoare annotation is: true [2018-11-28 18:46:29,632 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-28 18:46:29,632 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 464) no Hoare annotation was computed. [2018-11-28 18:46:29,632 INFO L451 ceAbstractionStarter]: At program point L460-1(lines 460 464) the Hoare annotation is: true [2018-11-28 18:46:29,632 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-28 18:46:29,632 INFO L451 ceAbstractionStarter]: At program point L456-2(lines 456 470) the Hoare annotation is: true [2018-11-28 18:46:29,632 INFO L451 ceAbstractionStarter]: At program point L452(line 452) the Hoare annotation is: true [2018-11-28 18:46:29,632 INFO L448 ceAbstractionStarter]: For program point L452-1(line 452) no Hoare annotation was computed. [2018-11-28 18:46:29,632 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 756 767) the Hoare annotation is: true [2018-11-28 18:46:29,633 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 756 767) no Hoare annotation was computed. [2018-11-28 18:46:29,633 INFO L448 ceAbstractionStarter]: For program point L760-1(lines 756 767) no Hoare annotation was computed. [2018-11-28 18:46:29,633 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 845 851) no Hoare annotation was computed. [2018-11-28 18:46:29,633 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 845 851) the Hoare annotation is: true [2018-11-28 18:46:29,633 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 503 509) no Hoare annotation was computed. [2018-11-28 18:46:29,633 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 503 509) the Hoare annotation is: true [2018-11-28 18:46:29,633 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:46:29,633 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-28 18:46:29,633 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:46:29,633 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:46:29,634 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 678 685) no Hoare annotation was computed. [2018-11-28 18:46:29,637 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 678 685) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= ~systemActive~0 1)) [2018-11-28 18:46:29,637 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 678 685) no Hoare annotation was computed. [2018-11-28 18:46:29,637 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 768 779) no Hoare annotation was computed. [2018-11-28 18:46:29,637 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 768 779) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:29,637 INFO L448 ceAbstractionStarter]: For program point L772-1(lines 768 779) no Hoare annotation was computed. [2018-11-28 18:46:29,637 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 435 442) no Hoare annotation was computed. [2018-11-28 18:46:29,637 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 435 442) the Hoare annotation is: true [2018-11-28 18:46:29,639 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2018-11-28 18:46:29,639 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 435 442) no Hoare annotation was computed. [2018-11-28 18:46:29,639 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 511 520) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:29,639 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 511 520) no Hoare annotation was computed. [2018-11-28 18:46:29,639 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 511 520) no Hoare annotation was computed. [2018-11-28 18:46:29,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:46:29 BoogieIcfgContainer [2018-11-28 18:46:29,658 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:46:29,658 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:46:29,658 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:46:29,658 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:46:29,659 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:46:24" (3/4) ... [2018-11-28 18:46:29,663 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:46:29,670 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:46:29,670 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:46:29,670 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:46:29,670 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:46:29,670 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:46:29,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:46:29,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:46:29,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:46:29,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 18:46:29,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:46:29,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:46:29,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:46:29,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:46:29,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:46:29,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:46:29,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 18:46:29,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:46:29,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:46:29,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:46:29,681 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2018-11-28 18:46:29,681 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 18:46:29,682 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 18:46:29,682 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-28 18:46:29,682 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:46:29,683 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:46:29,714 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) || (systemActive == 1 && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-28 18:46:29,715 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-28 18:46:29,767 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:46:29,767 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:46:29,768 INFO L168 Benchmark]: Toolchain (without parser) took 6968.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 196.1 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -172.2 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:29,769 INFO L168 Benchmark]: CDTParser took 0.16 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 18:46:29,769 INFO L168 Benchmark]: CACSL2BoogieTranslator took 599.10 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 931.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:29,770 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 931.2 MB in the beginning and 1.1 GB in the end (delta: -177.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:29,770 INFO L168 Benchmark]: Boogie Preprocessor took 39.91 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 18:46:29,771 INFO L168 Benchmark]: RCFGBuilder took 951.57 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: 39.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:29,771 INFO L168 Benchmark]: TraceAbstraction took 5146.71 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 1.1 GB in the end (delta: -63.3 MB). Peak memory consumption was 288.0 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:29,772 INFO L168 Benchmark]: Witness Printer took 109.09 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: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:29,775 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 599.10 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 931.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 116.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 931.2 MB in the beginning and 1.1 GB in the end (delta: -177.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.91 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 951.57 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: 39.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5146.71 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 1.1 GB in the end (delta: -63.3 MB). Peak memory consumption was 288.0 MB. Max. memory is 11.5 GB. * Witness Printer took 109.09 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: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: 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: 696]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || (systemActive == 1 && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 20 procedures, 98 locations, 1 error locations. SAFE Result, 5.0s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 2.1s AutomataDifference, 0.0s DeadEndRemovalTime, 1.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 521 SDtfs, 275 SDslu, 991 SDs, 0 SdLazy, 334 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=156occurred 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, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 174 PreInvPairs, 195 NumberOfFragments, 465 HoareAnnotationTreeSize, 174 FomulaSimplifications, 147 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 42 FomulaSimplificationsInter, 714 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 349 NumberOfCodeBlocks, 349 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 343 ConstructedInterpolants, 0 QuantifiedInterpolants, 40993 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 27/27 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...