./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec3_product12_false-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_spec3_product12_false-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 a45474bbddd00a02338fe4b16e46d3dadff1b340 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 18:42:01,426 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:42:01,428 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:42:01,441 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:42:01,441 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:42:01,443 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:42:01,444 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:42:01,446 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:42:01,448 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:42:01,449 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:42:01,450 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:42:01,450 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:42:01,451 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:42:01,453 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:42:01,454 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:42:01,455 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:42:01,456 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:42:01,458 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:42:01,460 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:42:01,462 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:42:01,464 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:42:01,465 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:42:01,468 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:42:01,468 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:42:01,468 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:42:01,470 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:42:01,471 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:42:01,472 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:42:01,473 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:42:01,474 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:42:01,475 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:42:01,476 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:42:01,476 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:42:01,476 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:42:01,478 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:42:01,479 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:42:01,479 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:42:01,496 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:42:01,497 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:42:01,498 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:42:01,498 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:42:01,499 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:42:01,499 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:42:01,500 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:42:01,500 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:42:01,500 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:42:01,500 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:42:01,501 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:42:01,501 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:42:01,501 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:42:01,501 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:42:01,501 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:42:01,503 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:42:01,503 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:42:01,503 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:42:01,503 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:42:01,504 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:42:01,504 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:42:01,505 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:42:01,505 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:42:01,505 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:42:01,505 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:42:01,505 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:42:01,506 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:42:01,507 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:42:01,507 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:42:01,507 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:42:01,507 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 -> a45474bbddd00a02338fe4b16e46d3dadff1b340 [2018-11-28 18:42:01,546 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:42:01,566 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:42:01,570 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:42:01,572 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:42:01,572 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:42:01,573 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec3_product12_false-unreach-call_false-termination.cil.c [2018-11-28 18:42:01,639 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28e4f0c93/1332353b306140268d1692019ba61919/FLAGf4c93d83d [2018-11-28 18:42:02,229 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:42:02,230 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec3_product12_false-unreach-call_false-termination.cil.c [2018-11-28 18:42:02,261 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28e4f0c93/1332353b306140268d1692019ba61919/FLAGf4c93d83d [2018-11-28 18:42:02,442 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28e4f0c93/1332353b306140268d1692019ba61919 [2018-11-28 18:42:02,446 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:42:02,448 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:42:02,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:42:02,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:42:02,453 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:42:02,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:42:02" (1/1) ... [2018-11-28 18:42:02,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dd631a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:02, skipping insertion in model container [2018-11-28 18:42:02,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:42:02" (1/1) ... [2018-11-28 18:42:02,472 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:42:02,526 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:42:02,890 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:42:02,905 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:42:03,018 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:42:03,145 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:42:03,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:03 WrapperNode [2018-11-28 18:42:03,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:42:03,149 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:42:03,149 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:42:03,149 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:42:03,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:03" (1/1) ... [2018-11-28 18:42:03,196 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:03" (1/1) ... [2018-11-28 18:42:03,212 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:42:03,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:42:03,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:42:03,213 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:42:03,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:03" (1/1) ... [2018-11-28 18:42:03,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:03" (1/1) ... [2018-11-28 18:42:03,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:03" (1/1) ... [2018-11-28 18:42:03,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:03" (1/1) ... [2018-11-28 18:42:03,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:03" (1/1) ... [2018-11-28 18:42:03,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:03" (1/1) ... [2018-11-28 18:42:03,264 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:03" (1/1) ... [2018-11-28 18:42:03,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:42:03,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:42:03,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:42:03,271 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:42:03,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:03" (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 18:42:03,331 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:42:03,331 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:42:03,331 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:42:03,332 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:42:03,332 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 18:42:03,332 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 18:42:03,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:42:03,332 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:42:03,332 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:42:03,333 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:42:03,333 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:42:03,333 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:42:03,333 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:42:03,333 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 18:42:03,333 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 18:42:03,333 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:42:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:42:03,334 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:42:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:42:03,334 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:42:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:42:03,334 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:42:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:42:03,335 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 18:42:03,335 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 18:42:03,335 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:42:03,335 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:42:03,335 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:42:03,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:42:03,335 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:42:03,336 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:42:03,336 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:42:03,336 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:42:03,336 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:42:03,336 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:42:03,336 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:42:03,336 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:42:03,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:42:03,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:42:03,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:42:03,337 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:42:03,337 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:42:03,337 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-28 18:42:03,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-28 18:42:03,338 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:42:03,338 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:42:03,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:42:03,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:42:04,211 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:42:04,211 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:42:04,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:42:04 BoogieIcfgContainer [2018-11-28 18:42:04,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:42:04,213 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:42:04,213 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:42:04,216 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:42:04,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:42:02" (1/3) ... [2018-11-28 18:42:04,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e028375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:42:04, skipping insertion in model container [2018-11-28 18:42:04,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:03" (2/3) ... [2018-11-28 18:42:04,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e028375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:42:04, skipping insertion in model container [2018-11-28 18:42:04,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:42:04" (3/3) ... [2018-11-28 18:42:04,220 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product12_false-unreach-call_false-termination.cil.c [2018-11-28 18:42:04,231 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:42:04,240 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:42:04,258 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:42:04,293 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:42:04,293 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:42:04,294 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:42:04,294 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:42:04,294 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:42:04,294 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:42:04,294 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:42:04,295 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:42:04,295 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:42:04,318 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2018-11-28 18:42:04,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:42:04,328 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:04,329 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 18:42:04,332 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:04,340 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:04,341 INFO L82 PathProgramCache]: Analyzing trace with hash 716470641, now seen corresponding path program 1 times [2018-11-28 18:42:04,343 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:04,343 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:04,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:04,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:04,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:04,700 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 18:42:04,706 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:42:04,708 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:42:04,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:42:04,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:42:04,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:42:04,733 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2018-11-28 18:42:04,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:42:04,776 INFO L93 Difference]: Finished difference Result 200 states and 247 transitions. [2018-11-28 18:42:04,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:42:04,778 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-28 18:42:04,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:42:04,793 INFO L225 Difference]: With dead ends: 200 [2018-11-28 18:42:04,794 INFO L226 Difference]: Without dead ends: 100 [2018-11-28 18:42:04,800 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 18:42:04,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-11-28 18:42:04,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-11-28 18:42:04,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-11-28 18:42:04,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 115 transitions. [2018-11-28 18:42:04,881 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 115 transitions. Word has length 52 [2018-11-28 18:42:04,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:42:04,881 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 115 transitions. [2018-11-28 18:42:04,882 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:42:04,882 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions. [2018-11-28 18:42:04,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-28 18:42:04,889 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:04,889 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] [2018-11-28 18:42:04,889 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:04,890 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:04,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1386636677, now seen corresponding path program 1 times [2018-11-28 18:42:04,890 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:04,892 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:04,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:04,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:04,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:04,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:05,078 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 18:42:05,079 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:42:05,079 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:42:05,081 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:42:05,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:42:05,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:42:05,082 INFO L87 Difference]: Start difference. First operand 100 states and 115 transitions. Second operand 3 states. [2018-11-28 18:42:05,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:42:05,116 INFO L93 Difference]: Finished difference Result 136 states and 155 transitions. [2018-11-28 18:42:05,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:42:05,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-28 18:42:05,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:42:05,126 INFO L225 Difference]: With dead ends: 136 [2018-11-28 18:42:05,126 INFO L226 Difference]: Without dead ends: 91 [2018-11-28 18:42:05,128 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 18:42:05,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-11-28 18:42:05,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-11-28 18:42:05,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-11-28 18:42:05,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 103 transitions. [2018-11-28 18:42:05,155 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 103 transitions. Word has length 53 [2018-11-28 18:42:05,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:42:05,156 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 103 transitions. [2018-11-28 18:42:05,156 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:42:05,156 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 103 transitions. [2018-11-28 18:42:05,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-28 18:42:05,161 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:05,161 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:42:05,161 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:05,162 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:05,162 INFO L82 PathProgramCache]: Analyzing trace with hash 2135766962, now seen corresponding path program 1 times [2018-11-28 18:42:05,163 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:05,163 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:05,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:05,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:05,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:05,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:05,420 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 18:42:05,421 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:42:05,421 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:42:05,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:42:05,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:42:05,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:42:05,422 INFO L87 Difference]: Start difference. First operand 91 states and 103 transitions. Second operand 7 states. [2018-11-28 18:42:06,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:42:06,462 INFO L93 Difference]: Finished difference Result 281 states and 336 transitions. [2018-11-28 18:42:06,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:42:06,463 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-28 18:42:06,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:42:06,469 INFO L225 Difference]: With dead ends: 281 [2018-11-28 18:42:06,469 INFO L226 Difference]: Without dead ends: 214 [2018-11-28 18:42:06,473 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 18:42:06,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2018-11-28 18:42:06,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 190. [2018-11-28 18:42:06,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2018-11-28 18:42:06,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 225 transitions. [2018-11-28 18:42:06,538 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 225 transitions. Word has length 58 [2018-11-28 18:42:06,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:42:06,539 INFO L480 AbstractCegarLoop]: Abstraction has 190 states and 225 transitions. [2018-11-28 18:42:06,539 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:42:06,539 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 225 transitions. [2018-11-28 18:42:06,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-28 18:42:06,544 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:06,547 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] [2018-11-28 18:42:06,547 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:06,547 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:06,548 INFO L82 PathProgramCache]: Analyzing trace with hash -696909878, now seen corresponding path program 1 times [2018-11-28 18:42:06,548 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:06,548 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:06,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:06,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:06,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:06,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:06,737 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 18:42:06,737 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:42:06,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:42:06,738 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:42:06,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:42:06,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:42:06,738 INFO L87 Difference]: Start difference. First operand 190 states and 225 transitions. Second operand 6 states. [2018-11-28 18:42:07,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:42:07,490 INFO L93 Difference]: Finished difference Result 495 states and 621 transitions. [2018-11-28 18:42:07,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:42:07,491 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2018-11-28 18:42:07,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:42:07,496 INFO L225 Difference]: With dead ends: 495 [2018-11-28 18:42:07,496 INFO L226 Difference]: Without dead ends: 329 [2018-11-28 18:42:07,498 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 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 18:42:07,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2018-11-28 18:42:07,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 323. [2018-11-28 18:42:07,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2018-11-28 18:42:07,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 392 transitions. [2018-11-28 18:42:07,564 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 392 transitions. Word has length 61 [2018-11-28 18:42:07,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:42:07,564 INFO L480 AbstractCegarLoop]: Abstraction has 323 states and 392 transitions. [2018-11-28 18:42:07,564 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:42:07,565 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 392 transitions. [2018-11-28 18:42:07,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-28 18:42:07,569 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:07,570 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:42:07,570 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:07,570 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:07,570 INFO L82 PathProgramCache]: Analyzing trace with hash -152224476, now seen corresponding path program 1 times [2018-11-28 18:42:07,570 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:07,570 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:07,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:07,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:07,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:07,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:07,696 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 18:42:07,696 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:42:07,696 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:42:07,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:42:07,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:42:07,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:42:07,698 INFO L87 Difference]: Start difference. First operand 323 states and 392 transitions. Second operand 6 states. [2018-11-28 18:42:08,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:42:08,014 INFO L93 Difference]: Finished difference Result 645 states and 792 transitions. [2018-11-28 18:42:08,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:42:08,017 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2018-11-28 18:42:08,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:42:08,022 INFO L225 Difference]: With dead ends: 645 [2018-11-28 18:42:08,022 INFO L226 Difference]: Without dead ends: 479 [2018-11-28 18:42:08,024 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:42:08,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2018-11-28 18:42:08,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 467. [2018-11-28 18:42:08,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2018-11-28 18:42:08,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 567 transitions. [2018-11-28 18:42:08,065 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 567 transitions. Word has length 65 [2018-11-28 18:42:08,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:42:08,066 INFO L480 AbstractCegarLoop]: Abstraction has 467 states and 567 transitions. [2018-11-28 18:42:08,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:42:08,066 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 567 transitions. [2018-11-28 18:42:08,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-28 18:42:08,069 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:08,069 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] [2018-11-28 18:42:08,069 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:08,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:08,070 INFO L82 PathProgramCache]: Analyzing trace with hash -55534384, now seen corresponding path program 1 times [2018-11-28 18:42:08,070 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:08,070 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:08,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:08,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:08,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:08,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 18:42:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 18:42:08,230 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 18:42:08,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:42:08 BoogieIcfgContainer [2018-11-28 18:42:08,445 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:42:08,448 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:42:08,448 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:42:08,448 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:42:08,449 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:42:04" (3/4) ... [2018-11-28 18:42:08,455 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 18:42:08,622 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:42:08,623 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:42:08,624 INFO L168 Benchmark]: Toolchain (without parser) took 6177.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 947.3 MB in the beginning and 834.4 MB in the end (delta: 112.9 MB). Peak memory consumption was 255.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:42:08,625 INFO L168 Benchmark]: CDTParser took 0.14 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 18:42:08,626 INFO L168 Benchmark]: CACSL2BoogieTranslator took 698.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -194.4 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:42:08,626 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.27 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:42:08,628 INFO L168 Benchmark]: Boogie Preprocessor took 58.44 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 18:42:08,628 INFO L168 Benchmark]: RCFGBuilder took 940.91 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: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 11.5 GB. [2018-11-28 18:42:08,629 INFO L168 Benchmark]: TraceAbstraction took 4232.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 854.6 MB in the end (delta: 230.1 MB). Peak memory consumption was 230.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:42:08,636 INFO L168 Benchmark]: Witness Printer took 174.80 ms. Allocated memory is still 1.2 GB. Free memory was 854.6 MB in the beginning and 834.4 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:42:08,641 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 698.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -194.4 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.27 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.44 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 940.91 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: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4232.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 854.6 MB in the end (delta: 230.1 MB). Peak memory consumption was 230.1 MB. Max. memory is 11.5 GB. * Witness Printer took 174.80 ms. Allocated memory is still 1.2 GB. Free memory was 854.6 MB in the beginning and 834.4 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 890]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L158] int pumpRunning = 0; [L159] int systemActive = 1; [L306] int waterLevel = 1; [L307] int methaneLevelCritical = 0; [L593] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L790] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=188, \old(head)=178, \old(head)=199, \old(methaneLevelCritical)=160, \old(pumpRunning)=147, \old(systemActive)=146, \old(waterLevel)=155, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L863] int retValue_acc ; [L864] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L868] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L869] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L870] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L415] int retValue_acc ; [L418] retValue_acc = 1 [L419] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L870] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L870] tmp = valid_product() [L872] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L874] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L875] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L857] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L85] int splverifierCounter ; [L86] int tmp ; [L87] int tmp___0 ; [L88] int tmp___1 ; [L89] int tmp___2 ; [L92] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L94] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L96] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L102] tmp = __VERIFIER_nondet_int() [L104] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L106] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L324] COND TRUE waterLevel < 2 [L325] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L106] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L112] tmp___0 = __VERIFIER_nondet_int() [L114] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L122] tmp___2 = __VERIFIER_nondet_int() [L124] COND FALSE !(\read(tmp___2)) [L130] tmp___1 = __VERIFIER_nondet_int() [L132] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L141] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L165] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L172] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L174] FCALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L180] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L45] int tmp ; [L46] int tmp___0 ; [L47] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L51] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L345] int retValue_acc ; [L348] retValue_acc = methaneLevelCritical [L349] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L51] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L51] tmp = isMethaneLevelCritical() [L53] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L57] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L377] int retValue_acc ; [L380] retValue_acc = waterLevel [L381] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L57] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L57] tmp___0 = getWaterLevel() [L59] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L61] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L238] int retValue_acc ; [L241] retValue_acc = pumpRunning [L242] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L61] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L61] tmp___1 = isPumpRunning() [L63] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L67] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L890] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 113 locations, 1 error locations. UNSAFE Result, 4.1s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 2.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 629 SDtfs, 271 SDslu, 1453 SDs, 0 SdLazy, 273 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=467occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 42 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 354 NumberOfCodeBlocks, 354 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 284 ConstructedInterpolants, 0 QuantifiedInterpolants, 27712 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 incorrect! Received shutdown request...