./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec2_product07_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_spec2_product07_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 c39001161d93972d05784cb6dbc5024ef34abe15 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 18:44:00,665 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:44:00,667 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:44:00,681 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:44:00,681 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:44:00,682 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:44:00,684 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:44:00,686 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:44:00,688 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:44:00,689 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:44:00,689 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:44:00,690 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:44:00,691 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:44:00,693 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:44:00,694 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:44:00,694 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:44:00,696 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:44:00,697 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:44:00,700 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:44:00,702 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:44:00,703 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:44:00,705 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:44:00,708 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:44:00,708 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:44:00,708 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:44:00,710 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:44:00,711 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:44:00,712 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:44:00,713 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:44:00,714 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:44:00,715 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:44:00,715 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:44:00,716 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:44:00,716 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:44:00,718 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:44:00,718 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:44:00,719 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:44:00,736 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:44:00,736 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:44:00,737 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:44:00,737 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:44:00,739 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:44:00,739 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:44:00,739 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:44:00,739 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:44:00,740 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:44:00,740 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:44:00,740 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:44:00,740 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:44:00,742 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:44:00,742 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:44:00,742 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:44:00,742 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:44:00,743 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:44:00,743 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:44:00,743 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:44:00,744 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:44:00,744 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:44:00,744 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:44:00,744 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:44:00,744 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:44:00,745 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:44:00,746 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:44:00,746 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:44:00,746 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:44:00,746 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:44:00,746 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:44:00,746 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 -> c39001161d93972d05784cb6dbc5024ef34abe15 [2018-11-28 18:44:00,784 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:44:00,797 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:44:00,801 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:44:00,803 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:44:00,803 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:44:00,804 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec2_product07_true-unreach-call_false-termination.cil.c [2018-11-28 18:44:00,865 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a21b188fe/ba10312ec93f480f8b856fa132989517/FLAGffefdf6c4 [2018-11-28 18:44:01,371 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:44:01,371 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec2_product07_true-unreach-call_false-termination.cil.c [2018-11-28 18:44:01,384 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a21b188fe/ba10312ec93f480f8b856fa132989517/FLAGffefdf6c4 [2018-11-28 18:44:01,681 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a21b188fe/ba10312ec93f480f8b856fa132989517 [2018-11-28 18:44:01,684 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:44:01,686 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:44:01,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:44:01,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:44:01,691 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:44:01,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:44:01" (1/1) ... [2018-11-28 18:44:01,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e9651c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:01, skipping insertion in model container [2018-11-28 18:44:01,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:44:01" (1/1) ... [2018-11-28 18:44:01,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:44:01,753 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:44:02,162 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:44:02,180 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:44:02,286 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:44:02,355 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:44:02,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:02 WrapperNode [2018-11-28 18:44:02,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:44:02,357 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:44:02,357 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:44:02,357 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:44:02,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:02" (1/1) ... [2018-11-28 18:44:02,461 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:02" (1/1) ... [2018-11-28 18:44:02,485 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:44:02,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:44:02,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:44:02,486 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:44:02,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:02" (1/1) ... [2018-11-28 18:44:02,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:02" (1/1) ... [2018-11-28 18:44:02,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:02" (1/1) ... [2018-11-28 18:44:02,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:02" (1/1) ... [2018-11-28 18:44:02,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:02" (1/1) ... [2018-11-28 18:44:02,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:02" (1/1) ... [2018-11-28 18:44:02,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:02" (1/1) ... [2018-11-28 18:44:02,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:44:02,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:44:02,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:44:02,541 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:44:02,542 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:02" (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 18:44:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:44:02,626 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:44:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:44:02,627 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:44:02,627 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 18:44:02,627 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 18:44:02,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:44:02,627 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:44:02,627 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:44:02,627 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:44:02,628 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:44:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:44:02,628 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:44:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:44:02,628 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:44:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:44:02,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:44:02,630 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:44:02,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:44:02,631 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:44:02,631 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:44:02,631 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:44:02,631 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:44:02,631 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:44:02,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:44:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:44:02,632 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:44:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:44:02,632 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:44:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:44:02,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:44:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:44:02,632 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:44:02,634 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:44:02,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:44:02,635 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:44:02,635 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:44:02,635 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:44:02,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:44:02,635 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:44:02,635 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:44:02,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:44:02,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:44:02,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:44:02,637 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:44:02,637 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:44:02,637 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:44:02,637 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:44:02,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:44:02,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:44:03,576 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:44:03,577 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:44:03,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:44:03 BoogieIcfgContainer [2018-11-28 18:44:03,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:44:03,578 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:44:03,578 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:44:03,581 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:44:03,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:44:01" (1/3) ... [2018-11-28 18:44:03,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc32fa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:44:03, skipping insertion in model container [2018-11-28 18:44:03,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:02" (2/3) ... [2018-11-28 18:44:03,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc32fa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:44:03, skipping insertion in model container [2018-11-28 18:44:03,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:44:03" (3/3) ... [2018-11-28 18:44:03,585 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product07_true-unreach-call_false-termination.cil.c [2018-11-28 18:44:03,595 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:44:03,605 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:44:03,623 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:44:03,655 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:44:03,656 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:44:03,656 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:44:03,656 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:44:03,657 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:44:03,658 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:44:03,658 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:44:03,658 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:44:03,658 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:44:03,681 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2018-11-28 18:44:03,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 18:44:03,691 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:03,692 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:44:03,694 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:03,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:03,699 INFO L82 PathProgramCache]: Analyzing trace with hash -852978574, now seen corresponding path program 1 times [2018-11-28 18:44:03,702 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:03,702 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:03,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:03,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:03,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:04,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:44:04,089 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:04,090 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:44:04,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:44:04,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:44:04,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:44:04,116 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2018-11-28 18:44:04,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:04,169 INFO L93 Difference]: Finished difference Result 216 states and 273 transitions. [2018-11-28 18:44:04,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:44:04,170 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-28 18:44:04,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:04,188 INFO L225 Difference]: With dead ends: 216 [2018-11-28 18:44:04,188 INFO L226 Difference]: Without dead ends: 110 [2018-11-28 18:44:04,195 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 18:44:04,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-11-28 18:44:04,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-11-28 18:44:04,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-11-28 18:44:04,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 130 transitions. [2018-11-28 18:44:04,256 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 130 transitions. Word has length 51 [2018-11-28 18:44:04,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:04,257 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 130 transitions. [2018-11-28 18:44:04,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:44:04,257 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 130 transitions. [2018-11-28 18:44:04,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:44:04,262 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:04,262 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 18:44:04,263 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:04,263 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:04,264 INFO L82 PathProgramCache]: Analyzing trace with hash 2092797130, now seen corresponding path program 1 times [2018-11-28 18:44:04,264 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:04,264 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:04,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:04,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:04,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:04,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:04,465 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 18:44:04,466 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:04,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:44:04,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:44:04,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:44:04,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:44:04,468 INFO L87 Difference]: Start difference. First operand 110 states and 130 transitions. Second operand 3 states. [2018-11-28 18:44:04,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:04,502 INFO L93 Difference]: Finished difference Result 159 states and 187 transitions. [2018-11-28 18:44:04,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:44:04,504 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-28 18:44:04,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:04,506 INFO L225 Difference]: With dead ends: 159 [2018-11-28 18:44:04,507 INFO L226 Difference]: Without dead ends: 101 [2018-11-28 18:44:04,508 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 18:44:04,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-11-28 18:44:04,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-11-28 18:44:04,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-11-28 18:44:04,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 118 transitions. [2018-11-28 18:44:04,524 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 118 transitions. Word has length 52 [2018-11-28 18:44:04,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:04,525 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 118 transitions. [2018-11-28 18:44:04,525 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:44:04,525 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 118 transitions. [2018-11-28 18:44:04,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-28 18:44:04,528 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:04,528 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] [2018-11-28 18:44:04,529 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:04,529 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:04,529 INFO L82 PathProgramCache]: Analyzing trace with hash 657328964, now seen corresponding path program 1 times [2018-11-28 18:44:04,529 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:04,529 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:04,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:04,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:04,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:04,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:04,857 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 18:44:04,858 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:04,858 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:44:04,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:44:04,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:44:04,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:44:04,860 INFO L87 Difference]: Start difference. First operand 101 states and 118 transitions. Second operand 7 states. [2018-11-28 18:44:06,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:06,502 INFO L93 Difference]: Finished difference Result 298 states and 366 transitions. [2018-11-28 18:44:06,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:44:06,503 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-11-28 18:44:06,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:06,510 INFO L225 Difference]: With dead ends: 298 [2018-11-28 18:44:06,510 INFO L226 Difference]: Without dead ends: 225 [2018-11-28 18:44:06,512 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 18:44:06,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-11-28 18:44:06,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 217. [2018-11-28 18:44:06,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-11-28 18:44:06,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 266 transitions. [2018-11-28 18:44:06,551 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 266 transitions. Word has length 56 [2018-11-28 18:44:06,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:06,552 INFO L480 AbstractCegarLoop]: Abstraction has 217 states and 266 transitions. [2018-11-28 18:44:06,552 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:44:06,552 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 266 transitions. [2018-11-28 18:44:06,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-28 18:44:06,556 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:06,556 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:44:06,556 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:06,556 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:06,557 INFO L82 PathProgramCache]: Analyzing trace with hash -869578481, now seen corresponding path program 1 times [2018-11-28 18:44:06,557 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:06,558 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:06,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:06,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:06,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:06,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:06,995 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 18:44:06,996 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:06,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:44:06,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:44:06,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:44:06,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:44:06,997 INFO L87 Difference]: Start difference. First operand 217 states and 266 transitions. Second operand 6 states. [2018-11-28 18:44:07,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:07,634 INFO L93 Difference]: Finished difference Result 577 states and 732 transitions. [2018-11-28 18:44:07,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:44:07,636 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-11-28 18:44:07,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:07,642 INFO L225 Difference]: With dead ends: 577 [2018-11-28 18:44:07,642 INFO L226 Difference]: Without dead ends: 388 [2018-11-28 18:44:07,645 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:44:07,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2018-11-28 18:44:07,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 382. [2018-11-28 18:44:07,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-11-28 18:44:07,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 472 transitions. [2018-11-28 18:44:07,698 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 472 transitions. Word has length 62 [2018-11-28 18:44:07,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:07,699 INFO L480 AbstractCegarLoop]: Abstraction has 382 states and 472 transitions. [2018-11-28 18:44:07,699 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:44:07,699 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 472 transitions. [2018-11-28 18:44:07,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-28 18:44:07,704 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:07,704 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:44:07,704 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:07,704 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:07,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1006914507, now seen corresponding path program 1 times [2018-11-28 18:44:07,705 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:07,705 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:07,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:07,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:07,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:07,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:07,918 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 18:44:07,919 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:07,919 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:44:07,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:44:07,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:44:07,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:44:07,920 INFO L87 Difference]: Start difference. First operand 382 states and 472 transitions. Second operand 7 states. [2018-11-28 18:44:08,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:08,369 INFO L93 Difference]: Finished difference Result 648 states and 825 transitions. [2018-11-28 18:44:08,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:44:08,370 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-28 18:44:08,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:08,370 INFO L225 Difference]: With dead ends: 648 [2018-11-28 18:44:08,371 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:44:08,374 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-28 18:44:08,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:44:08,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:44:08,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:44:08,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:44:08,378 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2018-11-28 18:44:08,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:08,378 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:44:08,378 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:44:08,378 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:44:08,379 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:44:08,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:44:08,905 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 7 [2018-11-28 18:44:09,786 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 11 [2018-11-28 18:44:10,010 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 201 208) the Hoare annotation is: true [2018-11-28 18:44:10,010 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 201 208) no Hoare annotation was computed. [2018-11-28 18:44:10,010 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 201 208) no Hoare annotation was computed. [2018-11-28 18:44:10,010 INFO L444 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:44:10,010 INFO L448 ceAbstractionStarter]: For program point L187-1(lines 168 192) no Hoare annotation was computed. [2018-11-28 18:44:10,011 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 168 192) no Hoare annotation was computed. [2018-11-28 18:44:10,011 INFO L444 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 18:44:10,011 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 168 192) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:44:10,011 INFO L444 ceAbstractionStarter]: At program point L178(line 178) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 18:44:10,011 INFO L448 ceAbstractionStarter]: For program point L176(lines 176 184) no Hoare annotation was computed. [2018-11-28 18:44:10,011 INFO L444 ceAbstractionStarter]: At program point L174(line 174) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 18:44:10,012 INFO L448 ceAbstractionStarter]: For program point L174-1(line 174) no Hoare annotation was computed. [2018-11-28 18:44:10,012 INFO L448 ceAbstractionStarter]: For program point L172(lines 172 189) no Hoare annotation was computed. [2018-11-28 18:44:10,012 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 370 376) the Hoare annotation is: true [2018-11-28 18:44:10,012 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 370 376) no Hoare annotation was computed. [2018-11-28 18:44:10,012 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 160 166) no Hoare annotation was computed. [2018-11-28 18:44:10,012 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 160 166) the Hoare annotation is: true [2018-11-28 18:44:10,012 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 377 385) no Hoare annotation was computed. [2018-11-28 18:44:10,013 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 377 385) the Hoare annotation is: true [2018-11-28 18:44:10,016 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 377 385) no Hoare annotation was computed. [2018-11-28 18:44:10,016 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 282 347) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:10,017 INFO L444 ceAbstractionStarter]: At program point L314(line 314) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:10,017 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 318) no Hoare annotation was computed. [2018-11-28 18:44:10,017 INFO L448 ceAbstractionStarter]: For program point L312-1(lines 312 318) no Hoare annotation was computed. [2018-11-28 18:44:10,017 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 282 347) no Hoare annotation was computed. [2018-11-28 18:44:10,017 INFO L444 ceAbstractionStarter]: At program point L337(lines 292 339) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:10,017 INFO L444 ceAbstractionStarter]: At program point L304(line 304) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:10,018 INFO L448 ceAbstractionStarter]: For program point L302(lines 302 308) no Hoare annotation was computed. [2018-11-28 18:44:10,020 INFO L448 ceAbstractionStarter]: For program point L302-1(lines 302 308) no Hoare annotation was computed. [2018-11-28 18:44:10,020 INFO L448 ceAbstractionStarter]: For program point L294(lines 294 298) no Hoare annotation was computed. [2018-11-28 18:44:10,020 INFO L444 ceAbstractionStarter]: At program point L340(lines 291 341) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:10,020 INFO L444 ceAbstractionStarter]: At program point L330(line 330) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:10,020 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 334) no Hoare annotation was computed. [2018-11-28 18:44:10,021 INFO L444 ceAbstractionStarter]: At program point L328-1(lines 322 335) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:10,022 INFO L448 ceAbstractionStarter]: For program point L293(lines 292 339) no Hoare annotation was computed. [2018-11-28 18:44:10,022 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 282 347) no Hoare annotation was computed. [2018-11-28 18:44:10,022 INFO L448 ceAbstractionStarter]: For program point L322(lines 322 335) no Hoare annotation was computed. [2018-11-28 18:44:10,023 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 836 858) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:10,023 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 836 858) no Hoare annotation was computed. [2018-11-28 18:44:10,024 INFO L444 ceAbstractionStarter]: At program point L848(line 848) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:10,024 INFO L444 ceAbstractionStarter]: At program point L848-1(line 848) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:10,024 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 853) no Hoare annotation was computed. [2018-11-28 18:44:10,024 INFO L448 ceAbstractionStarter]: For program point L846-1(lines 846 853) no Hoare annotation was computed. [2018-11-28 18:44:10,024 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 836 858) no Hoare annotation was computed. [2018-11-28 18:44:10,024 INFO L448 ceAbstractionStarter]: For program point L844(line 844) no Hoare annotation was computed. [2018-11-28 18:44:10,024 INFO L444 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:10,025 INFO L444 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:10,025 INFO L444 ceAbstractionStarter]: At program point L842-1(line 842) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:10,025 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 265 279) no Hoare annotation was computed. [2018-11-28 18:44:10,025 INFO L444 ceAbstractionStarter]: At program point L271(line 271) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-28 18:44:10,025 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 275) no Hoare annotation was computed. [2018-11-28 18:44:10,025 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 265 279) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-11-28 18:44:10,025 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 265 279) no Hoare annotation was computed. [2018-11-28 18:44:10,026 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 220 228) no Hoare annotation was computed. [2018-11-28 18:44:10,026 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 220 228) the Hoare annotation is: true [2018-11-28 18:44:10,026 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 220 228) no Hoare annotation was computed. [2018-11-28 18:44:10,026 INFO L444 ceAbstractionStarter]: At program point L884(line 884) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-28 18:44:10,026 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 888) no Hoare annotation was computed. [2018-11-28 18:44:10,026 INFO L448 ceAbstractionStarter]: For program point L881(lines 881 891) no Hoare annotation was computed. [2018-11-28 18:44:10,026 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 869 897) the Hoare annotation is: true [2018-11-28 18:44:10,026 INFO L444 ceAbstractionStarter]: At program point L879(line 879) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 18:44:10,027 INFO L448 ceAbstractionStarter]: For program point L879-1(line 879) no Hoare annotation was computed. [2018-11-28 18:44:10,027 INFO L448 ceAbstractionStarter]: For program point L877(lines 877 894) no Hoare annotation was computed. [2018-11-28 18:44:10,027 INFO L448 ceAbstractionStarter]: For program point L877-1(lines 869 897) no Hoare annotation was computed. [2018-11-28 18:44:10,027 INFO L451 ceAbstractionStarter]: At program point L875(line 875) the Hoare annotation is: true [2018-11-28 18:44:10,027 INFO L448 ceAbstractionStarter]: For program point L875-1(line 875) no Hoare annotation was computed. [2018-11-28 18:44:10,027 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 869 897) no Hoare annotation was computed. [2018-11-28 18:44:10,027 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 861 868) the Hoare annotation is: true [2018-11-28 18:44:10,027 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 861 868) no Hoare annotation was computed. [2018-11-28 18:44:10,028 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 861 868) no Hoare annotation was computed. [2018-11-28 18:44:10,028 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:44:10,028 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-28 18:44:10,028 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:44:10,028 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-11-28 18:44:10,028 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2018-11-28 18:44:10,028 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2018-11-28 18:44:10,028 INFO L451 ceAbstractionStarter]: At program point L769(line 769) the Hoare annotation is: true [2018-11-28 18:44:10,031 INFO L448 ceAbstractionStarter]: For program point L769-1(line 769) no Hoare annotation was computed. [2018-11-28 18:44:10,031 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 763 792) no Hoare annotation was computed. [2018-11-28 18:44:10,031 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 763 792) the Hoare annotation is: true [2018-11-28 18:44:10,031 INFO L451 ceAbstractionStarter]: At program point L788(lines 763 792) the Hoare annotation is: true [2018-11-28 18:44:10,031 INFO L448 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2018-11-28 18:44:10,031 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 781) no Hoare annotation was computed. [2018-11-28 18:44:10,032 INFO L451 ceAbstractionStarter]: At program point L777-1(lines 777 781) the Hoare annotation is: true [2018-11-28 18:44:10,032 INFO L448 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2018-11-28 18:44:10,032 INFO L451 ceAbstractionStarter]: At program point L773-2(lines 773 787) the Hoare annotation is: true [2018-11-28 18:44:10,032 INFO L444 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 18:44:10,032 INFO L444 ceAbstractionStarter]: At program point L147(lines 147 153) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:44:10,032 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 136 159) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:44:10,032 INFO L444 ceAbstractionStarter]: At program point L142(line 142) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-28 18:44:10,032 INFO L448 ceAbstractionStarter]: For program point L140(lines 139 158) no Hoare annotation was computed. [2018-11-28 18:44:10,033 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 136 159) no Hoare annotation was computed. [2018-11-28 18:44:10,033 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 136 159) no Hoare annotation was computed. [2018-11-28 18:44:10,033 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2018-11-28 18:44:10,033 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2018-11-28 18:44:10,033 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2018-11-28 18:44:10,033 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2018-11-28 18:44:10,033 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2018-11-28 18:44:10,033 INFO L448 ceAbstractionStarter]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2018-11-28 18:44:10,034 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 363 369) no Hoare annotation was computed. [2018-11-28 18:44:10,034 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 363 369) the Hoare annotation is: true [2018-11-28 18:44:10,034 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 817 823) no Hoare annotation was computed. [2018-11-28 18:44:10,034 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 817 823) the Hoare annotation is: true [2018-11-28 18:44:10,034 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:44:10,034 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-28 18:44:10,034 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:44:10,034 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:44:10,035 INFO L448 ceAbstractionStarter]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2018-11-28 18:44:10,035 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2018-11-28 18:44:10,035 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: true [2018-11-28 18:44:10,035 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 387 394) no Hoare annotation was computed. [2018-11-28 18:44:10,036 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 387 394) the Hoare annotation is: true [2018-11-28 18:44:10,036 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 387 394) no Hoare annotation was computed. [2018-11-28 18:44:10,036 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 391) no Hoare annotation was computed. [2018-11-28 18:44:10,036 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 825 835) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:10,036 INFO L444 ceAbstractionStarter]: At program point L830(line 830) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:10,036 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 825 835) no Hoare annotation was computed. [2018-11-28 18:44:10,037 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 825 835) no Hoare annotation was computed. [2018-11-28 18:44:10,037 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 209 219) the Hoare annotation is: true [2018-11-28 18:44:10,037 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 209 219) no Hoare annotation was computed. [2018-11-28 18:44:10,037 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 209 219) no Hoare annotation was computed. [2018-11-28 18:44:10,037 INFO L451 ceAbstractionStarter]: At program point L214(line 214) the Hoare annotation is: true [2018-11-28 18:44:10,037 INFO L448 ceAbstractionStarter]: For program point L214-1(line 214) no Hoare annotation was computed. [2018-11-28 18:44:10,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:44:10 BoogieIcfgContainer [2018-11-28 18:44:10,053 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:44:10,054 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:44:10,054 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:44:10,054 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:44:10,055 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:44:03" (3/4) ... [2018-11-28 18:44:10,059 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:44:10,065 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:44:10,065 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:44:10,065 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:44:10,065 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:44:10,065 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:44:10,066 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:44:10,066 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:44:10,066 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 18:44:10,066 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:44:10,066 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:44:10,066 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:44:10,066 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:44:10,066 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:44:10,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:44:10,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:44:10,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:44:10,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:44:10,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:44:10,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:44:10,068 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:44:10,068 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:44:10,068 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:44:10,068 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 18:44:10,078 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-28 18:44:10,078 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 18:44:10,079 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 18:44:10,079 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:44:10,080 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:44:10,080 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:44:10,113 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:44:10,113 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:44:10,177 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:44:10,177 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:44:10,179 INFO L168 Benchmark]: Toolchain (without parser) took 8493.59 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 237.5 MB). Free memory was 947.3 MB in the beginning and 784.8 MB in the end (delta: 162.5 MB). Peak memory consumption was 400.0 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:10,180 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 18:44:10,180 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.06 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 42.5 MB). Free memory was 947.3 MB in the beginning and 1.0 GB in the end (delta: -71.9 MB). Peak memory consumption was 40.0 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:10,180 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.65 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 195.0 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -203.5 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:10,182 INFO L168 Benchmark]: Boogie Preprocessor took 55.06 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:44:10,182 INFO L168 Benchmark]: RCFGBuilder took 1036.20 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 48.6 MB). Peak memory consumption was 48.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:10,183 INFO L168 Benchmark]: TraceAbstraction took 6475.32 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 794.9 MB in the end (delta: 379.2 MB). Peak memory consumption was 379.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:10,184 INFO L168 Benchmark]: Witness Printer took 123.30 ms. Allocated memory is still 1.3 GB. Free memory was 794.9 MB in the beginning and 784.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:10,187 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 669.06 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 42.5 MB). Free memory was 947.3 MB in the beginning and 1.0 GB in the end (delta: -71.9 MB). Peak memory consumption was 40.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 128.65 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 195.0 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -203.5 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.06 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1036.20 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 48.6 MB). Peak memory consumption was 48.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6475.32 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 794.9 MB in the end (delta: 379.2 MB). Peak memory consumption was 379.2 MB. Max. memory is 11.5 GB. * Witness Printer took 123.30 ms. Allocated memory is still 1.3 GB. Free memory was 794.9 MB in the beginning and 784.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 391]: 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: 292]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 123 locations, 1 error locations. SAFE Result, 6.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 2.8s AutomataDifference, 0.0s DeadEndRemovalTime, 1.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 613 SDtfs, 348 SDslu, 1174 SDs, 0 SdLazy, 408 SolverSat, 68 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=382occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 438 PreInvPairs, 483 NumberOfFragments, 502 HoareAnnotationTreeSize, 438 FomulaSimplifications, 397 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 53 FomulaSimplificationsInter, 1832 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 287 NumberOfCodeBlocks, 287 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 29734 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...