./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product26_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec4_product26_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 2f4238b880349218219a89e1d8f45e6533ff8d7c ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 18:46:41,582 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:46:41,584 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:46:41,596 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:46:41,596 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:46:41,597 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:46:41,599 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:46:41,609 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:46:41,611 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:46:41,612 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:46:41,613 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:46:41,613 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:46:41,614 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:46:41,615 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:46:41,617 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:46:41,618 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:46:41,619 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:46:41,621 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:46:41,623 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:46:41,625 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:46:41,626 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:46:41,628 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:46:41,630 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:46:41,630 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:46:41,631 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:46:41,631 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:46:41,632 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:46:41,633 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:46:41,634 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:46:41,635 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:46:41,635 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:46:41,636 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:46:41,636 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:46:41,636 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:46:41,637 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:46:41,638 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:46:41,638 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:46:41,653 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:46:41,653 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:46:41,654 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:46:41,654 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:46:41,655 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:46:41,655 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:46:41,655 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:46:41,656 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:46:41,656 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:46:41,656 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:46:41,656 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:46:41,656 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:46:41,656 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:46:41,657 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:46:41,657 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:46:41,657 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:46:41,657 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:46:41,657 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:46:41,657 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:46:41,658 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:46:41,658 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:46:41,658 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:46:41,658 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:46:41,658 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:46:41,659 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:46:41,659 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:46:41,659 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:46:41,659 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:46:41,659 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:46:41,659 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:46:41,660 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 -> 2f4238b880349218219a89e1d8f45e6533ff8d7c [2018-11-28 18:46:41,695 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:46:41,714 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:46:41,721 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:46:41,722 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:46:41,723 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:46:41,724 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product26_true-unreach-call_false-termination.cil.c [2018-11-28 18:46:41,794 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5a40378d/52e5f52feef248209767ffc2b6836ba3/FLAGc61c23c8a [2018-11-28 18:46:42,375 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:46:42,376 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product26_true-unreach-call_false-termination.cil.c [2018-11-28 18:46:42,391 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5a40378d/52e5f52feef248209767ffc2b6836ba3/FLAGc61c23c8a [2018-11-28 18:46:42,646 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5a40378d/52e5f52feef248209767ffc2b6836ba3 [2018-11-28 18:46:42,650 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:46:42,656 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:46:42,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:46:42,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:46:42,666 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:46:42,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:46:42" (1/1) ... [2018-11-28 18:46:42,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69e34a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:42, skipping insertion in model container [2018-11-28 18:46:42,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:46:42" (1/1) ... [2018-11-28 18:46:42,680 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:46:42,755 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:46:43,122 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:46:43,137 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:46:43,256 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:46:43,376 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:46:43,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:43 WrapperNode [2018-11-28 18:46:43,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:46:43,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:46:43,378 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:46:43,378 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:46:43,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:43" (1/1) ... [2018-11-28 18:46:43,423 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:43" (1/1) ... [2018-11-28 18:46:43,435 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:46:43,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:46:43,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:46:43,436 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:46:43,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:43" (1/1) ... [2018-11-28 18:46:43,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:43" (1/1) ... [2018-11-28 18:46:43,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:43" (1/1) ... [2018-11-28 18:46:43,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:43" (1/1) ... [2018-11-28 18:46:43,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:43" (1/1) ... [2018-11-28 18:46:43,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:43" (1/1) ... [2018-11-28 18:46:43,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:43" (1/1) ... [2018-11-28 18:46:43,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:46:43,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:46:43,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:46:43,481 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:46:43,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:46:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:46:43,540 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:46:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:46:43,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:46:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:46:43,541 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:46:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 18:46:43,542 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 18:46:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:46:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:46:43,542 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:46:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:46:43,543 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:46:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:46:43,543 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:46:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:46:43,545 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:46:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 18:46:43,545 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 18:46:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 18:46:43,546 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 18:46:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:46:43,546 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:46:43,547 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:46:43,547 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:46:43,547 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:46:43,547 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:46:43,547 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 18:46:43,547 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 18:46:43,547 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:46:43,548 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:46:43,548 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:46:43,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:46:43,548 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:46:43,548 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:46:43,548 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:46:43,550 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:46:43,550 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:46:43,550 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:46:43,550 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:46:43,551 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:46:43,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:46:43,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:46:43,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:46:43,552 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:46:43,552 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:46:43,552 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:46:43,552 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:46:43,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:46:43,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:46:44,388 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:46:44,388 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:46:44,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:46:44 BoogieIcfgContainer [2018-11-28 18:46:44,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:46:44,390 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:46:44,390 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:46:44,394 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:46:44,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:46:42" (1/3) ... [2018-11-28 18:46:44,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e55777a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:46:44, skipping insertion in model container [2018-11-28 18:46:44,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:43" (2/3) ... [2018-11-28 18:46:44,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e55777a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:46:44, skipping insertion in model container [2018-11-28 18:46:44,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:46:44" (3/3) ... [2018-11-28 18:46:44,398 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product26_true-unreach-call_false-termination.cil.c [2018-11-28 18:46:44,410 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:46:44,418 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:46:44,436 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:46:44,471 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:46:44,472 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:46:44,472 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:46:44,472 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:46:44,472 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:46:44,472 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:46:44,472 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:46:44,472 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:46:44,473 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:46:44,497 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2018-11-28 18:46:44,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 18:46:44,507 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:44,508 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:46:44,511 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:44,518 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:44,519 INFO L82 PathProgramCache]: Analyzing trace with hash 593632274, now seen corresponding path program 1 times [2018-11-28 18:46:44,521 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:44,522 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:44,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:44,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:44,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:44,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:46:44,847 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:44,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:46:44,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:46:44,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:46:44,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:46:44,870 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2018-11-28 18:46:44,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:44,916 INFO L93 Difference]: Finished difference Result 216 states and 267 transitions. [2018-11-28 18:46:44,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:46:44,917 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 18:46:44,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:44,942 INFO L225 Difference]: With dead ends: 216 [2018-11-28 18:46:44,943 INFO L226 Difference]: Without dead ends: 108 [2018-11-28 18:46:44,949 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:46:44,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-11-28 18:46:45,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2018-11-28 18:46:45,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-11-28 18:46:45,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 125 transitions. [2018-11-28 18:46:45,026 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 125 transitions. Word has length 46 [2018-11-28 18:46:45,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:45,027 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 125 transitions. [2018-11-28 18:46:45,027 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:46:45,027 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 125 transitions. [2018-11-28 18:46:45,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 18:46:45,034 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:45,034 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:46:45,037 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:45,037 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:45,037 INFO L82 PathProgramCache]: Analyzing trace with hash -76082014, now seen corresponding path program 1 times [2018-11-28 18:46:45,038 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:45,038 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:45,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:45,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:45,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:45,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:45,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:46:45,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:45,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:46:45,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:46:45,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:46:45,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:46:45,238 INFO L87 Difference]: Start difference. First operand 108 states and 125 transitions. Second operand 3 states. [2018-11-28 18:46:45,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:45,271 INFO L93 Difference]: Finished difference Result 161 states and 185 transitions. [2018-11-28 18:46:45,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:46:45,272 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 18:46:45,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:45,275 INFO L225 Difference]: With dead ends: 161 [2018-11-28 18:46:45,275 INFO L226 Difference]: Without dead ends: 99 [2018-11-28 18:46:45,277 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:46:45,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-11-28 18:46:45,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-11-28 18:46:45,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-11-28 18:46:45,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions. [2018-11-28 18:46:45,293 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 47 [2018-11-28 18:46:45,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:45,294 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 113 transitions. [2018-11-28 18:46:45,294 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:46:45,294 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2018-11-28 18:46:45,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:46:45,297 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:45,297 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:46:45,297 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:45,297 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:45,298 INFO L82 PathProgramCache]: Analyzing trace with hash -405028804, now seen corresponding path program 1 times [2018-11-28 18:46:45,298 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:45,298 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:45,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:45,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:45,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:45,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:45,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:46:45,540 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:45,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:46:45,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:46:45,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:46:45,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:46:45,543 INFO L87 Difference]: Start difference. First operand 99 states and 113 transitions. Second operand 7 states. [2018-11-28 18:46:46,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:46,369 INFO L93 Difference]: Finished difference Result 174 states and 203 transitions. [2018-11-28 18:46:46,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:46:46,370 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-28 18:46:46,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:46,372 INFO L225 Difference]: With dead ends: 174 [2018-11-28 18:46:46,372 INFO L226 Difference]: Without dead ends: 99 [2018-11-28 18:46:46,374 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:46:46,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-11-28 18:46:46,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-11-28 18:46:46,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-11-28 18:46:46,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 112 transitions. [2018-11-28 18:46:46,388 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 112 transitions. Word has length 52 [2018-11-28 18:46:46,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:46,390 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 112 transitions. [2018-11-28 18:46:46,390 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:46:46,390 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 112 transitions. [2018-11-28 18:46:46,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-28 18:46:46,393 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:46,393 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] [2018-11-28 18:46:46,393 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:46,394 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:46,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1637515993, now seen corresponding path program 1 times [2018-11-28 18:46:46,395 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:46,395 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:46,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:46,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:46,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:46,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:46,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:46:46,942 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:46,943 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 18:46:46,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 18:46:46,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 18:46:46,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:46:46,945 INFO L87 Difference]: Start difference. First operand 99 states and 112 transitions. Second operand 10 states. [2018-11-28 18:46:48,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:48,139 INFO L93 Difference]: Finished difference Result 304 states and 369 transitions. [2018-11-28 18:46:48,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 18:46:48,140 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2018-11-28 18:46:48,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:48,145 INFO L225 Difference]: With dead ends: 304 [2018-11-28 18:46:48,146 INFO L226 Difference]: Without dead ends: 229 [2018-11-28 18:46:48,148 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:46:48,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-11-28 18:46:48,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 225. [2018-11-28 18:46:48,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-11-28 18:46:48,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 264 transitions. [2018-11-28 18:46:48,184 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 264 transitions. Word has length 60 [2018-11-28 18:46:48,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:48,184 INFO L480 AbstractCegarLoop]: Abstraction has 225 states and 264 transitions. [2018-11-28 18:46:48,184 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 18:46:48,185 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 264 transitions. [2018-11-28 18:46:48,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-28 18:46:48,189 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:48,189 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, 1, 1] [2018-11-28 18:46:48,190 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:48,190 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:48,190 INFO L82 PathProgramCache]: Analyzing trace with hash -413880057, now seen corresponding path program 1 times [2018-11-28 18:46:48,190 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:48,190 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:48,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:48,193 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:48,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:48,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:46:48,340 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:48,340 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:46:48,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:46:48,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:46:48,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:46:48,341 INFO L87 Difference]: Start difference. First operand 225 states and 264 transitions. Second operand 3 states. [2018-11-28 18:46:48,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:48,405 INFO L93 Difference]: Finished difference Result 362 states and 433 transitions. [2018-11-28 18:46:48,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:46:48,407 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2018-11-28 18:46:48,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:48,409 INFO L225 Difference]: With dead ends: 362 [2018-11-28 18:46:48,409 INFO L226 Difference]: Without dead ends: 161 [2018-11-28 18:46:48,411 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:46:48,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-11-28 18:46:48,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-11-28 18:46:48,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-11-28 18:46:48,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 179 transitions. [2018-11-28 18:46:48,432 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 179 transitions. Word has length 68 [2018-11-28 18:46:48,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:48,432 INFO L480 AbstractCegarLoop]: Abstraction has 161 states and 179 transitions. [2018-11-28 18:46:48,432 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:46:48,432 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 179 transitions. [2018-11-28 18:46:48,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-28 18:46:48,436 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:48,436 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:46:48,436 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:48,437 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:48,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1995005835, now seen corresponding path program 1 times [2018-11-28 18:46:48,437 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:48,437 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:48,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:48,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:48,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:48,699 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-28 18:46:48,699 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:46:48,700 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:46:48,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:48,895 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:46:49,196 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 18:46:49,226 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 18:46:49,226 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-28 18:46:49,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 18:46:49,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 18:46:49,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-11-28 18:46:49,228 INFO L87 Difference]: Start difference. First operand 161 states and 179 transitions. Second operand 12 states. [2018-11-28 18:46:50,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:50,114 INFO L93 Difference]: Finished difference Result 207 states and 231 transitions. [2018-11-28 18:46:50,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:46:50,115 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 100 [2018-11-28 18:46:50,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:50,116 INFO L225 Difference]: With dead ends: 207 [2018-11-28 18:46:50,116 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:46:50,117 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-11-28 18:46:50,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:46:50,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:46:50,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:46:50,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:46:50,118 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2018-11-28 18:46:50,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:50,120 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:46:50,120 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 18:46:50,120 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:46:50,120 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:46:50,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:46:50,692 WARN L180 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 19 [2018-11-28 18:46:50,980 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 17 [2018-11-28 18:46:51,367 WARN L180 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 24 [2018-11-28 18:46:52,061 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 19 [2018-11-28 18:46:52,392 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 216 223) the Hoare annotation is: true [2018-11-28 18:46:52,393 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 216 223) no Hoare annotation was computed. [2018-11-28 18:46:52,393 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 216 223) no Hoare annotation was computed. [2018-11-28 18:46:52,393 INFO L444 ceAbstractionStarter]: At program point L184(line 184) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-28 18:46:52,393 INFO L448 ceAbstractionStarter]: For program point L184-1(lines 165 189) no Hoare annotation was computed. [2018-11-28 18:46:52,393 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 165 189) no Hoare annotation was computed. [2018-11-28 18:46:52,393 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 165 189) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-28 18:46:52,393 INFO L444 ceAbstractionStarter]: At program point L179(line 179) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-28 18:46:52,393 INFO L444 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-28 18:46:52,395 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 181) no Hoare annotation was computed. [2018-11-28 18:46:52,396 INFO L444 ceAbstractionStarter]: At program point L171(line 171) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-28 18:46:52,396 INFO L448 ceAbstractionStarter]: For program point L171-1(line 171) no Hoare annotation was computed. [2018-11-28 18:46:52,396 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 186) no Hoare annotation was computed. [2018-11-28 18:46:52,396 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 445 451) the Hoare annotation is: true [2018-11-28 18:46:52,396 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 445 451) no Hoare annotation was computed. [2018-11-28 18:46:52,396 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 157 163) no Hoare annotation was computed. [2018-11-28 18:46:52,396 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 157 163) the Hoare annotation is: true [2018-11-28 18:46:52,396 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 452 460) no Hoare annotation was computed. [2018-11-28 18:46:52,397 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 452 460) the Hoare annotation is: true [2018-11-28 18:46:52,397 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 452 460) no Hoare annotation was computed. [2018-11-28 18:46:52,397 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 54 119) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:52,397 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 54 119) no Hoare annotation was computed. [2018-11-28 18:46:52,397 INFO L444 ceAbstractionStarter]: At program point L112(lines 63 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:52,397 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 106) no Hoare annotation was computed. [2018-11-28 18:46:52,397 INFO L444 ceAbstractionStarter]: At program point L102-2(lines 94 107) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:52,397 INFO L448 ceAbstractionStarter]: For program point L65(lines 64 111) no Hoare annotation was computed. [2018-11-28 18:46:52,398 INFO L444 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:52,398 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 107) no Hoare annotation was computed. [2018-11-28 18:46:52,398 INFO L444 ceAbstractionStarter]: At program point L86(line 86) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:52,398 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 90) no Hoare annotation was computed. [2018-11-28 18:46:52,398 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2018-11-28 18:46:52,398 INFO L444 ceAbstractionStarter]: At program point L109(lines 64 111) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:52,398 INFO L444 ceAbstractionStarter]: At program point L76(line 76) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:52,398 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 80) no Hoare annotation was computed. [2018-11-28 18:46:52,399 INFO L448 ceAbstractionStarter]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2018-11-28 18:46:52,399 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 54 119) no Hoare annotation was computed. [2018-11-28 18:46:52,399 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 70) no Hoare annotation was computed. [2018-11-28 18:46:52,399 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 398 422) the Hoare annotation is: true [2018-11-28 18:46:52,399 INFO L444 ceAbstractionStarter]: At program point L412(line 412) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-28 18:46:52,399 INFO L448 ceAbstractionStarter]: For program point L410(lines 410 416) no Hoare annotation was computed. [2018-11-28 18:46:52,399 INFO L444 ceAbstractionStarter]: At program point L408(line 408) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-28 18:46:52,399 INFO L448 ceAbstractionStarter]: For program point L408-1(line 408) no Hoare annotation was computed. [2018-11-28 18:46:52,399 INFO L448 ceAbstractionStarter]: For program point L406(lines 406 419) no Hoare annotation was computed. [2018-11-28 18:46:52,400 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 398 422) no Hoare annotation was computed. [2018-11-28 18:46:52,400 INFO L451 ceAbstractionStarter]: At program point L404(line 404) the Hoare annotation is: true [2018-11-28 18:46:52,400 INFO L448 ceAbstractionStarter]: For program point L404-1(line 404) no Hoare annotation was computed. [2018-11-28 18:46:52,400 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 398 422) no Hoare annotation was computed. [2018-11-28 18:46:52,400 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 900 922) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:52,400 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 900 922) no Hoare annotation was computed. [2018-11-28 18:46:52,400 INFO L444 ceAbstractionStarter]: At program point L912(line 912) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= main_~tmp~8 ~systemActive~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:52,400 INFO L444 ceAbstractionStarter]: At program point L912-1(line 912) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= main_~tmp~8 ~systemActive~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:52,401 INFO L448 ceAbstractionStarter]: For program point L910(lines 910 917) no Hoare annotation was computed. [2018-11-28 18:46:52,401 INFO L448 ceAbstractionStarter]: For program point L910-1(lines 910 917) no Hoare annotation was computed. [2018-11-28 18:46:52,401 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 900 922) no Hoare annotation was computed. [2018-11-28 18:46:52,401 INFO L448 ceAbstractionStarter]: For program point L908(line 908) no Hoare annotation was computed. [2018-11-28 18:46:52,401 INFO L444 ceAbstractionStarter]: At program point L907(line 907) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:52,401 INFO L444 ceAbstractionStarter]: At program point L906(line 906) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:52,401 INFO L444 ceAbstractionStarter]: At program point L906-1(line 906) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:52,401 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 235 243) no Hoare annotation was computed. [2018-11-28 18:46:52,401 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 235 243) the Hoare annotation is: true [2018-11-28 18:46:52,402 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 235 243) no Hoare annotation was computed. [2018-11-28 18:46:52,402 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 388 396) no Hoare annotation was computed. [2018-11-28 18:46:52,402 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 388 396) the Hoare annotation is: true [2018-11-28 18:46:52,402 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 388 396) no Hoare annotation was computed. [2018-11-28 18:46:52,402 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:46:52,402 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-28 18:46:52,402 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:46:52,402 INFO L448 ceAbstractionStarter]: For program point L289(lines 289 293) no Hoare annotation was computed. [2018-11-28 18:46:52,402 INFO L451 ceAbstractionStarter]: At program point L287(line 287) the Hoare annotation is: true [2018-11-28 18:46:52,402 INFO L448 ceAbstractionStarter]: For program point L289-2(lines 289 293) no Hoare annotation was computed. [2018-11-28 18:46:52,403 INFO L448 ceAbstractionStarter]: For program point L287-1(line 287) no Hoare annotation was computed. [2018-11-28 18:46:52,403 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 280 298) the Hoare annotation is: true [2018-11-28 18:46:52,403 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 280 298) no Hoare annotation was computed. [2018-11-28 18:46:52,403 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 280 298) no Hoare annotation was computed. [2018-11-28 18:46:52,403 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 379 387) the Hoare annotation is: true [2018-11-28 18:46:52,403 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 379 387) no Hoare annotation was computed. [2018-11-28 18:46:52,403 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 379 387) no Hoare annotation was computed. [2018-11-28 18:46:52,403 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 335 346) the Hoare annotation is: true [2018-11-28 18:46:52,403 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 335 346) no Hoare annotation was computed. [2018-11-28 18:46:52,404 INFO L448 ceAbstractionStarter]: For program point L339-1(lines 335 346) no Hoare annotation was computed. [2018-11-28 18:46:52,404 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 829 858) no Hoare annotation was computed. [2018-11-28 18:46:52,404 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 829 858) the Hoare annotation is: true [2018-11-28 18:46:52,404 INFO L451 ceAbstractionStarter]: At program point L854(lines 829 858) the Hoare annotation is: true [2018-11-28 18:46:52,404 INFO L448 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2018-11-28 18:46:52,404 INFO L448 ceAbstractionStarter]: For program point L843(lines 843 847) no Hoare annotation was computed. [2018-11-28 18:46:52,404 INFO L451 ceAbstractionStarter]: At program point L843-1(lines 843 847) the Hoare annotation is: true [2018-11-28 18:46:52,404 INFO L448 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2018-11-28 18:46:52,404 INFO L451 ceAbstractionStarter]: At program point L839-2(lines 839 853) the Hoare annotation is: true [2018-11-28 18:46:52,405 INFO L451 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: true [2018-11-28 18:46:52,405 INFO L448 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2018-11-28 18:46:52,405 INFO L444 ceAbstractionStarter]: At program point L146(line 146) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2) .cse2) (or .cse0 (and .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-28 18:46:52,405 INFO L444 ceAbstractionStarter]: At program point L144(lines 144 150) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2) .cse2) (or .cse0 (and .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-28 18:46:52,405 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 133 156) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2) .cse2) (or .cse0 (and .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-28 18:46:52,405 INFO L444 ceAbstractionStarter]: At program point L139(line 139) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) .cse1) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-28 18:46:52,406 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 133 156) no Hoare annotation was computed. [2018-11-28 18:46:52,406 INFO L448 ceAbstractionStarter]: For program point L137(lines 136 155) no Hoare annotation was computed. [2018-11-28 18:46:52,406 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 133 156) no Hoare annotation was computed. [2018-11-28 18:46:52,406 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 311 322) the Hoare annotation is: true [2018-11-28 18:46:52,406 INFO L448 ceAbstractionStarter]: For program point L315-1(lines 311 322) no Hoare annotation was computed. [2018-11-28 18:46:52,406 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 311 322) no Hoare annotation was computed. [2018-11-28 18:46:52,406 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 438 444) no Hoare annotation was computed. [2018-11-28 18:46:52,406 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 438 444) the Hoare annotation is: true [2018-11-28 18:46:52,406 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 883 889) no Hoare annotation was computed. [2018-11-28 18:46:52,407 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 883 889) the Hoare annotation is: true [2018-11-28 18:46:52,407 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:46:52,407 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-11-28 18:46:52,407 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:46:52,407 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:46:52,407 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 299 306) no Hoare annotation was computed. [2018-11-28 18:46:52,407 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 299 306) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 1)) (.cse2 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2))) [2018-11-28 18:46:52,407 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 299 306) no Hoare annotation was computed. [2018-11-28 18:46:52,408 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 323 334) no Hoare annotation was computed. [2018-11-28 18:46:52,408 INFO L448 ceAbstractionStarter]: For program point L327-1(lines 323 334) no Hoare annotation was computed. [2018-11-28 18:46:52,408 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 323 334) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0) .cse1 (< |old(~waterLevel~0)| 2)) (or .cse0 (= ~waterLevel~0 1) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-28 18:46:52,408 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-28 18:46:52,408 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-28 18:46:52,408 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-28 18:46:52,408 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-28 18:46:52,409 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 890 899) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:52,409 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 890 899) no Hoare annotation was computed. [2018-11-28 18:46:52,409 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 890 899) no Hoare annotation was computed. [2018-11-28 18:46:52,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:46:52 BoogieIcfgContainer [2018-11-28 18:46:52,422 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:46:52,423 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:46:52,423 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:46:52,423 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:46:52,424 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:46:44" (3/4) ... [2018-11-28 18:46:52,428 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:46:52,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:46:52,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:46:52,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:46:52,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:46:52,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:46:52,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:46:52,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:46:52,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:46:52,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 18:46:52,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:46:52,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:46:52,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 18:46:52,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 18:46:52,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:46:52,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:46:52,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:46:52,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:46:52,438 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:46:52,438 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:46:52,438 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 18:46:52,438 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:46:52,438 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:46:52,438 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:46:52,447 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-28 18:46:52,448 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 18:46:52,448 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 18:46:52,449 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:46:52,449 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:46:52,450 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:46:52,484 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && systemActive == 1) && \old(waterLevel) <= waterLevel) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-28 18:46:52,484 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-28 18:46:52,579 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:46:52,579 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:46:52,580 INFO L168 Benchmark]: Toolchain (without parser) took 9928.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 208.1 MB). Free memory was 954.0 MB in the beginning and 885.1 MB in the end (delta: 69.0 MB). Peak memory consumption was 277.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:52,581 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:46:52,581 INFO L168 Benchmark]: CACSL2BoogieTranslator took 719.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 954.0 MB in the beginning and 1.1 GB in the end (delta: -179.5 MB). Peak memory consumption was 44.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:52,581 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:52,583 INFO L168 Benchmark]: Boogie Preprocessor took 41.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:46:52,584 INFO L168 Benchmark]: RCFGBuilder took 911.53 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: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:52,584 INFO L168 Benchmark]: TraceAbstraction took 8032.43 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 1.1 GB in the beginning and 893.0 MB in the end (delta: 180.8 MB). Peak memory consumption was 255.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:52,584 INFO L168 Benchmark]: Witness Printer took 156.61 ms. Allocated memory is still 1.2 GB. Free memory was 893.0 MB in the beginning and 885.1 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:52,587 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 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 719.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 954.0 MB in the beginning and 1.1 GB in the end (delta: -179.5 MB). Peak memory consumption was 44.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.78 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 911.53 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: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8032.43 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 1.1 GB in the beginning and 893.0 MB in the end (delta: 180.8 MB). Peak memory consumption was 255.7 MB. Max. memory is 11.5 GB. * Witness Printer took 156.61 ms. Allocated memory is still 1.2 GB. Free memory was 893.0 MB in the beginning and 885.1 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 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: 63]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && systemActive == 1) && \old(waterLevel) <= waterLevel) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 121 locations, 1 error locations. SAFE Result, 7.9s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 3.1s AutomataDifference, 0.0s DeadEndRemovalTime, 2.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 662 SDtfs, 535 SDslu, 1313 SDs, 0 SdLazy, 822 SolverSat, 174 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 171 GetRequests, 128 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=225occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 290 PreInvPairs, 305 NumberOfFragments, 789 HoareAnnotationTreeSize, 290 FomulaSimplifications, 21 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 51 FomulaSimplificationsInter, 1093 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 473 NumberOfCodeBlocks, 473 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 466 ConstructedInterpolants, 0 QuantifiedInterpolants, 69814 SizeOfPredicates, 3 NumberOfNonLiveVariables, 744 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 58/64 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...