./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec1_product04_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec1_product04_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 c5927a819a887aeff1d315c7b53a2aa383626d62 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 18:42:58,599 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:42:58,601 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:42:58,613 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:42:58,613 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:42:58,614 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:42:58,616 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:42:58,618 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:42:58,620 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:42:58,621 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:42:58,622 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:42:58,622 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:42:58,624 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:42:58,625 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:42:58,626 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:42:58,627 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:42:58,628 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:42:58,630 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:42:58,632 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:42:58,634 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:42:58,635 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:42:58,637 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:42:58,639 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:42:58,640 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:42:58,640 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:42:58,641 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:42:58,642 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:42:58,643 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:42:58,644 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:42:58,645 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:42:58,645 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:42:58,646 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:42:58,646 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:42:58,646 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:42:58,648 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:42:58,649 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:42:58,649 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:42:58,666 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:42:58,666 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:42:58,667 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:42:58,667 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:42:58,668 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:42:58,669 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:42:58,669 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:42:58,669 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:42:58,669 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:42:58,669 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:42:58,669 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:42:58,670 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:42:58,670 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:42:58,670 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:42:58,670 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:42:58,670 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:42:58,670 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:42:58,670 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:42:58,672 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:42:58,672 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:42:58,672 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:42:58,672 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:42:58,673 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:42:58,673 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:42:58,673 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:42:58,673 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:42:58,673 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:42:58,674 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:42:58,675 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:42:58,675 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:42:58,675 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 -> c5927a819a887aeff1d315c7b53a2aa383626d62 [2018-11-28 18:42:58,711 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:42:58,724 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:42:58,728 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:42:58,729 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:42:58,730 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:42:58,731 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec1_product04_true-unreach-call_false-termination.cil.c [2018-11-28 18:42:58,797 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00fa9c425/25a8849bd9f24b43ae4934d28f281d3a/FLAG8c3ac0374 [2018-11-28 18:42:59,319 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:42:59,320 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec1_product04_true-unreach-call_false-termination.cil.c [2018-11-28 18:42:59,333 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00fa9c425/25a8849bd9f24b43ae4934d28f281d3a/FLAG8c3ac0374 [2018-11-28 18:42:59,605 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00fa9c425/25a8849bd9f24b43ae4934d28f281d3a [2018-11-28 18:42:59,609 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:42:59,611 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:42:59,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:42:59,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:42:59,616 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:42:59,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:42:59" (1/1) ... [2018-11-28 18:42:59,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4874b7fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:59, skipping insertion in model container [2018-11-28 18:42:59,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:42:59" (1/1) ... [2018-11-28 18:42:59,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:42:59,689 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:43:00,122 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:43:00,152 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:43:00,267 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:43:00,314 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:43:00,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:00 WrapperNode [2018-11-28 18:43:00,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:43:00,315 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:43:00,315 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:43:00,315 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:43:00,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:00" (1/1) ... [2018-11-28 18:43:00,425 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:00" (1/1) ... [2018-11-28 18:43:00,438 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:43:00,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:43:00,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:43:00,439 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:43:00,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:00" (1/1) ... [2018-11-28 18:43:00,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:00" (1/1) ... [2018-11-28 18:43:00,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:00" (1/1) ... [2018-11-28 18:43:00,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:00" (1/1) ... [2018-11-28 18:43:00,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:00" (1/1) ... [2018-11-28 18:43:00,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:00" (1/1) ... [2018-11-28 18:43:00,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:00" (1/1) ... [2018-11-28 18:43:00,501 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:43:00,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:43:00,502 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:43:00,502 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:43:00,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:43:00,566 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:43:00,568 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:43:00,568 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:43:00,569 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:43:00,569 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 18:43:00,569 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 18:43:00,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:43:00,570 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:43:00,570 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:43:00,570 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:43:00,570 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:43:00,570 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:43:00,571 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:43:00,571 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:43:00,571 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:43:00,571 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:43:00,571 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:43:00,572 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:43:00,572 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:43:00,572 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:43:00,572 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:43:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 18:43:00,574 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 18:43:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:43:00,574 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:43:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:43:00,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:43:00,575 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:43:00,575 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:43:00,575 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:43:00,575 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:43:00,575 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:43:00,576 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:43:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:43:00,576 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:43:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:43:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:43:00,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:43:00,577 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:43:00,577 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:43:00,577 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:43:00,577 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:43:00,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:43:00,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:43:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:00,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:01,492 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:43:01,492 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:43:01,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:01 BoogieIcfgContainer [2018-11-28 18:43:01,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:43:01,494 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:43:01,494 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:43:01,497 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:43:01,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:42:59" (1/3) ... [2018-11-28 18:43:01,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2908cbfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:43:01, skipping insertion in model container [2018-11-28 18:43:01,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:00" (2/3) ... [2018-11-28 18:43:01,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2908cbfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:43:01, skipping insertion in model container [2018-11-28 18:43:01,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:01" (3/3) ... [2018-11-28 18:43:01,501 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product04_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:01,510 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:43:01,520 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:43:01,538 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:43:01,573 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:43:01,574 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:43:01,574 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:43:01,574 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:43:01,574 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:43:01,574 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:43:01,574 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:43:01,574 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:43:01,575 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:43:01,598 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2018-11-28 18:43:01,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 18:43:01,607 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:01,608 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:01,610 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:01,615 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:01,616 INFO L82 PathProgramCache]: Analyzing trace with hash -222364740, now seen corresponding path program 1 times [2018-11-28 18:43:01,618 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:01,618 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:01,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:01,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:01,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:01,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:01,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:01,905 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:01,906 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:43:01,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:43:01,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:43:01,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:43:01,928 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2018-11-28 18:43:01,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:01,966 INFO L93 Difference]: Finished difference Result 188 states and 233 transitions. [2018-11-28 18:43:01,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:43:01,968 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 18:43:01,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:01,982 INFO L225 Difference]: With dead ends: 188 [2018-11-28 18:43:01,982 INFO L226 Difference]: Without dead ends: 94 [2018-11-28 18:43:01,986 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:43:02,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-11-28 18:43:02,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-11-28 18:43:02,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-11-28 18:43:02,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2018-11-28 18:43:02,041 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 46 [2018-11-28 18:43:02,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:02,041 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2018-11-28 18:43:02,042 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:43:02,042 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2018-11-28 18:43:02,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 18:43:02,045 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:02,045 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:02,046 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:02,046 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:02,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1220321971, now seen corresponding path program 1 times [2018-11-28 18:43:02,046 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:02,047 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:02,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:02,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:02,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:02,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:02,195 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:02,195 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:43:02,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:43:02,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:43:02,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:43:02,200 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand 3 states. [2018-11-28 18:43:02,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:02,235 INFO L93 Difference]: Finished difference Result 124 states and 141 transitions. [2018-11-28 18:43:02,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:43:02,240 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 18:43:02,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:02,242 INFO L225 Difference]: With dead ends: 124 [2018-11-28 18:43:02,245 INFO L226 Difference]: Without dead ends: 85 [2018-11-28 18:43:02,247 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:43:02,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-11-28 18:43:02,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-11-28 18:43:02,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-11-28 18:43:02,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 96 transitions. [2018-11-28 18:43:02,263 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 96 transitions. Word has length 47 [2018-11-28 18:43:02,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:02,264 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 96 transitions. [2018-11-28 18:43:02,264 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:43:02,264 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2018-11-28 18:43:02,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:43:02,267 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:02,267 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:02,267 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:02,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:02,268 INFO L82 PathProgramCache]: Analyzing trace with hash 161305573, now seen corresponding path program 1 times [2018-11-28 18:43:02,268 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:02,268 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:02,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:02,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:02,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:02,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:02,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:02,630 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:02,631 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:43:02,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:43:02,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:43:02,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:43:02,633 INFO L87 Difference]: Start difference. First operand 85 states and 96 transitions. Second operand 7 states. [2018-11-28 18:43:03,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:03,480 INFO L93 Difference]: Finished difference Result 257 states and 308 transitions. [2018-11-28 18:43:03,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:43:03,481 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-28 18:43:03,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:03,488 INFO L225 Difference]: With dead ends: 257 [2018-11-28 18:43:03,489 INFO L226 Difference]: Without dead ends: 196 [2018-11-28 18:43:03,492 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 18:43:03,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-11-28 18:43:03,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 172. [2018-11-28 18:43:03,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-11-28 18:43:03,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 204 transitions. [2018-11-28 18:43:03,560 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 204 transitions. Word has length 52 [2018-11-28 18:43:03,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:03,561 INFO L480 AbstractCegarLoop]: Abstraction has 172 states and 204 transitions. [2018-11-28 18:43:03,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:43:03,561 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 204 transitions. [2018-11-28 18:43:03,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-28 18:43:03,569 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:03,570 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:03,573 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:03,573 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:03,574 INFO L82 PathProgramCache]: Analyzing trace with hash -1645610747, now seen corresponding path program 1 times [2018-11-28 18:43:03,574 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:03,574 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:03,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:03,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:03,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:03,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:03,796 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:03,796 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:43:03,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:43:03,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:43:03,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:43:03,798 INFO L87 Difference]: Start difference. First operand 172 states and 204 transitions. Second operand 6 states. [2018-11-28 18:43:04,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:04,371 INFO L93 Difference]: Finished difference Result 453 states and 560 transitions. [2018-11-28 18:43:04,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:43:04,372 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2018-11-28 18:43:04,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:04,377 INFO L225 Difference]: With dead ends: 453 [2018-11-28 18:43:04,377 INFO L226 Difference]: Without dead ends: 305 [2018-11-28 18:43:04,379 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:43:04,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2018-11-28 18:43:04,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 299. [2018-11-28 18:43:04,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2018-11-28 18:43:04,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 358 transitions. [2018-11-28 18:43:04,424 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 358 transitions. Word has length 55 [2018-11-28 18:43:04,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:04,425 INFO L480 AbstractCegarLoop]: Abstraction has 299 states and 358 transitions. [2018-11-28 18:43:04,425 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:43:04,425 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 358 transitions. [2018-11-28 18:43:04,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-28 18:43:04,428 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:04,429 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:04,429 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:04,429 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:04,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1992415049, now seen corresponding path program 1 times [2018-11-28 18:43:04,430 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:04,430 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:04,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:04,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:04,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:04,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:04,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:04,631 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:04,631 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:43:04,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:43:04,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:43:04,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:43:04,633 INFO L87 Difference]: Start difference. First operand 299 states and 358 transitions. Second operand 6 states. [2018-11-28 18:43:04,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:04,913 INFO L93 Difference]: Finished difference Result 545 states and 668 transitions. [2018-11-28 18:43:04,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:43:04,916 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2018-11-28 18:43:04,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:04,917 INFO L225 Difference]: With dead ends: 545 [2018-11-28 18:43:04,918 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:43:04,922 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 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 18:43:04,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:43:04,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:43:04,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:43:04,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:43:04,924 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2018-11-28 18:43:04,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:04,924 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:43:04,924 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:43:04,925 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:43:04,925 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:43:04,932 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:43:05,286 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 4 [2018-11-28 18:43:05,933 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 10 [2018-11-28 18:43:06,147 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 174 181) the Hoare annotation is: true [2018-11-28 18:43:06,147 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 174 181) no Hoare annotation was computed. [2018-11-28 18:43:06,148 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 174 181) no Hoare annotation was computed. [2018-11-28 18:43:06,148 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 159 165) no Hoare annotation was computed. [2018-11-28 18:43:06,148 INFO L451 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 159 165) the Hoare annotation is: true [2018-11-28 18:43:06,148 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 730 736) the Hoare annotation is: true [2018-11-28 18:43:06,148 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 730 736) no Hoare annotation was computed. [2018-11-28 18:43:06,148 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 737 745) no Hoare annotation was computed. [2018-11-28 18:43:06,148 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 737 745) the Hoare annotation is: true [2018-11-28 18:43:06,150 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 737 745) no Hoare annotation was computed. [2018-11-28 18:43:06,151 INFO L444 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:06,151 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 55 122) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:06,151 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 110) no Hoare annotation was computed. [2018-11-28 18:43:06,151 INFO L444 ceAbstractionStarter]: At program point L87(line 87) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:06,151 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 55 122) no Hoare annotation was computed. [2018-11-28 18:43:06,152 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 91) no Hoare annotation was computed. [2018-11-28 18:43:06,154 INFO L448 ceAbstractionStarter]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2018-11-28 18:43:06,154 INFO L444 ceAbstractionStarter]: At program point L112(lines 65 114) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:06,154 INFO L444 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:06,154 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-11-28 18:43:06,154 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2018-11-28 18:43:06,154 INFO L448 ceAbstractionStarter]: For program point L67(lines 67 71) no Hoare annotation was computed. [2018-11-28 18:43:06,156 INFO L444 ceAbstractionStarter]: At program point L115(lines 64 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:06,156 INFO L444 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:06,156 INFO L448 ceAbstractionStarter]: For program point L103(lines 103 109) no Hoare annotation was computed. [2018-11-28 18:43:06,157 INFO L444 ceAbstractionStarter]: At program point L103-1(lines 95 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:06,158 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 55 122) no Hoare annotation was computed. [2018-11-28 18:43:06,158 INFO L448 ceAbstractionStarter]: For program point L66(lines 65 114) no Hoare annotation was computed. [2018-11-28 18:43:06,158 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 845 867) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:06,158 INFO L444 ceAbstractionStarter]: At program point L857(line 857) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~5 ~systemActive~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:06,158 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 845 867) no Hoare annotation was computed. [2018-11-28 18:43:06,159 INFO L444 ceAbstractionStarter]: At program point L857-1(line 857) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~5 ~systemActive~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:06,159 INFO L448 ceAbstractionStarter]: For program point L855(lines 855 862) no Hoare annotation was computed. [2018-11-28 18:43:06,159 INFO L448 ceAbstractionStarter]: For program point L855-1(lines 855 862) no Hoare annotation was computed. [2018-11-28 18:43:06,159 INFO L448 ceAbstractionStarter]: For program point L853(line 853) no Hoare annotation was computed. [2018-11-28 18:43:06,159 INFO L444 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:06,160 INFO L444 ceAbstractionStarter]: At program point L851(line 851) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:06,162 INFO L444 ceAbstractionStarter]: At program point L851-1(line 851) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:06,162 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 845 867) no Hoare annotation was computed. [2018-11-28 18:43:06,163 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 238 252) no Hoare annotation was computed. [2018-11-28 18:43:06,163 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 238 252) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-28 18:43:06,163 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 238 252) no Hoare annotation was computed. [2018-11-28 18:43:06,163 INFO L444 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-28 18:43:06,163 INFO L448 ceAbstractionStarter]: For program point L242(lines 242 248) no Hoare annotation was computed. [2018-11-28 18:43:06,163 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 193 201) no Hoare annotation was computed. [2018-11-28 18:43:06,163 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 193 201) the Hoare annotation is: true [2018-11-28 18:43:06,164 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 193 201) no Hoare annotation was computed. [2018-11-28 18:43:06,164 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:43:06,164 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:43:06,164 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:43:06,164 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 655 666) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:06,164 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 655 666) no Hoare annotation was computed. [2018-11-28 18:43:06,164 INFO L448 ceAbstractionStarter]: For program point L659-1(lines 655 666) no Hoare annotation was computed. [2018-11-28 18:43:06,167 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 667 675) the Hoare annotation is: true [2018-11-28 18:43:06,167 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 667 675) no Hoare annotation was computed. [2018-11-28 18:43:06,167 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 667 675) no Hoare annotation was computed. [2018-11-28 18:43:06,167 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 774 803) no Hoare annotation was computed. [2018-11-28 18:43:06,167 INFO L451 ceAbstractionStarter]: At program point L799(lines 774 803) the Hoare annotation is: true [2018-11-28 18:43:06,167 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 774 803) the Hoare annotation is: true [2018-11-28 18:43:06,167 INFO L448 ceAbstractionStarter]: For program point L795(line 795) no Hoare annotation was computed. [2018-11-28 18:43:06,170 INFO L448 ceAbstractionStarter]: For program point L788(lines 788 792) no Hoare annotation was computed. [2018-11-28 18:43:06,171 INFO L451 ceAbstractionStarter]: At program point L788-1(lines 788 792) the Hoare annotation is: true [2018-11-28 18:43:06,171 INFO L448 ceAbstractionStarter]: For program point L785(line 785) no Hoare annotation was computed. [2018-11-28 18:43:06,171 INFO L451 ceAbstractionStarter]: At program point L784-2(lines 784 798) the Hoare annotation is: true [2018-11-28 18:43:06,171 INFO L451 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: true [2018-11-28 18:43:06,171 INFO L448 ceAbstractionStarter]: For program point L780-1(line 780) no Hoare annotation was computed. [2018-11-28 18:43:06,171 INFO L444 ceAbstractionStarter]: At program point L148(line 148) the Hoare annotation is: (or (not (= ~systemActive~0 0)) (not (= 0 ~pumpRunning~0))) [2018-11-28 18:43:06,171 INFO L451 ceAbstractionStarter]: At program point L146(lines 146 152) the Hoare annotation is: true [2018-11-28 18:43:06,172 INFO L451 ceAbstractionStarter]: At program point timeShiftENTRY(lines 135 158) the Hoare annotation is: true [2018-11-28 18:43:06,172 INFO L444 ceAbstractionStarter]: At program point L141(line 141) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-28 18:43:06,172 INFO L448 ceAbstractionStarter]: For program point L139(lines 138 157) no Hoare annotation was computed. [2018-11-28 18:43:06,172 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 135 158) no Hoare annotation was computed. [2018-11-28 18:43:06,172 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 135 158) no Hoare annotation was computed. [2018-11-28 18:43:06,172 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 631 642) the Hoare annotation is: true [2018-11-28 18:43:06,173 INFO L448 ceAbstractionStarter]: For program point L635-1(lines 631 642) no Hoare annotation was computed. [2018-11-28 18:43:06,175 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 631 642) no Hoare annotation was computed. [2018-11-28 18:43:06,176 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 723 729) no Hoare annotation was computed. [2018-11-28 18:43:06,176 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 723 729) the Hoare annotation is: true [2018-11-28 18:43:06,176 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 828 834) no Hoare annotation was computed. [2018-11-28 18:43:06,176 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 828 834) the Hoare annotation is: true [2018-11-28 18:43:06,176 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:43:06,178 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-28 18:43:06,178 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:43:06,178 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:43:06,179 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 253 260) no Hoare annotation was computed. [2018-11-28 18:43:06,179 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 253 260) the Hoare annotation is: true [2018-11-28 18:43:06,179 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 253 260) no Hoare annotation was computed. [2018-11-28 18:43:06,179 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 643 654) no Hoare annotation was computed. [2018-11-28 18:43:06,179 INFO L448 ceAbstractionStarter]: For program point L647-1(lines 643 654) no Hoare annotation was computed. [2018-11-28 18:43:06,179 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 643 654) the Hoare annotation is: true [2018-11-28 18:43:06,179 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-28 18:43:06,182 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-28 18:43:06,182 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-28 18:43:06,182 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-28 18:43:06,182 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 835 844) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:06,182 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 835 844) no Hoare annotation was computed. [2018-11-28 18:43:06,183 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 835 844) no Hoare annotation was computed. [2018-11-28 18:43:06,184 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 747 771) the Hoare annotation is: true [2018-11-28 18:43:06,184 INFO L444 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-28 18:43:06,184 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 747 771) no Hoare annotation was computed. [2018-11-28 18:43:06,184 INFO L448 ceAbstractionStarter]: For program point L759(lines 759 765) no Hoare annotation was computed. [2018-11-28 18:43:06,185 INFO L444 ceAbstractionStarter]: At program point L757(line 757) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 18:43:06,185 INFO L448 ceAbstractionStarter]: For program point L757-1(line 757) no Hoare annotation was computed. [2018-11-28 18:43:06,185 INFO L448 ceAbstractionStarter]: For program point L755(lines 755 768) no Hoare annotation was computed. [2018-11-28 18:43:06,185 INFO L448 ceAbstractionStarter]: For program point L755-1(lines 747 771) no Hoare annotation was computed. [2018-11-28 18:43:06,185 INFO L451 ceAbstractionStarter]: At program point L753(line 753) the Hoare annotation is: true [2018-11-28 18:43:06,185 INFO L448 ceAbstractionStarter]: For program point L753-1(line 753) no Hoare annotation was computed. [2018-11-28 18:43:06,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:43:06 BoogieIcfgContainer [2018-11-28 18:43:06,203 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:43:06,204 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:43:06,204 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:43:06,204 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:43:06,206 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:01" (3/4) ... [2018-11-28 18:43:06,211 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:43:06,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:43:06,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:43:06,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:43:06,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:43:06,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:43:06,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:43:06,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 18:43:06,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:43:06,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:43:06,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:43:06,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:43:06,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:43:06,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:43:06,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:43:06,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:43:06,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:43:06,242 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 18:43:06,242 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:43:06,242 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:43:06,242 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:43:06,242 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:06,255 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2018-11-28 18:43:06,255 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 18:43:06,256 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 18:43:06,256 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:43:06,257 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:43:06,257 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:43:06,292 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:43:06,292 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:43:06,365 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:43:06,365 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:43:06,366 INFO L168 Benchmark]: Toolchain (without parser) took 6756.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 212.9 MB). Free memory was 943.3 MB in the beginning and 1.2 GB in the end (delta: -256.0 MB). Peak memory consumption was 276.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:06,367 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:43:06,367 INFO L168 Benchmark]: CACSL2BoogieTranslator took 703.03 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 921.8 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:06,368 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 921.8 MB in the beginning and 1.1 GB in the end (delta: -213.7 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:06,368 INFO L168 Benchmark]: Boogie Preprocessor took 62.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:43:06,375 INFO L168 Benchmark]: RCFGBuilder took 991.74 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: 44.2 MB). Peak memory consumption was 44.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:06,375 INFO L168 Benchmark]: TraceAbstraction took 4709.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 824.1 MB in the end (delta: 267.3 MB). Peak memory consumption was 267.3 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:06,376 INFO L168 Benchmark]: Witness Printer took 161.49 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.5 MB). Free memory was 824.1 MB in the beginning and 1.2 GB in the end (delta: -375.2 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:06,379 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 703.03 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 921.8 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 123.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 921.8 MB in the beginning and 1.1 GB in the end (delta: -213.7 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.49 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 991.74 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: 44.2 MB). Peak memory consumption was 44.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4709.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 824.1 MB in the end (delta: 267.3 MB). Peak memory consumption was 267.3 MB. Max. memory is 11.5 GB. * Witness Printer took 161.49 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.5 MB). Free memory was 824.1 MB in the beginning and 1.2 GB in the end (delta: -375.2 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 65]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 107 locations, 1 error locations. SAFE Result, 4.6s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 1.8s AutomataDifference, 0.0s DeadEndRemovalTime, 1.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 511 SDtfs, 292 SDslu, 968 SDs, 0 SdLazy, 243 SolverSat, 50 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=299occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 30 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 308 PreInvPairs, 351 NumberOfFragments, 406 HoareAnnotationTreeSize, 308 FomulaSimplifications, 343 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 46 FomulaSimplificationsInter, 1233 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 24632 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...