./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec1_product41_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_spec1_product41_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 5a2d3ce20e3d26ebf70024607ecab77b852f9995 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 18:41:10,348 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:41:10,350 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:41:10,367 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:41:10,367 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:41:10,368 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:41:10,371 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:41:10,373 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:41:10,376 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:41:10,377 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:41:10,384 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:41:10,385 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:41:10,387 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:41:10,390 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:41:10,392 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:41:10,393 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:41:10,395 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:41:10,399 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:41:10,401 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:41:10,405 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:41:10,406 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:41:10,408 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:41:10,411 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:41:10,411 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:41:10,412 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:41:10,414 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:41:10,415 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:41:10,416 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:41:10,416 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:41:10,420 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:41:10,420 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:41:10,421 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:41:10,421 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:41:10,421 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:41:10,424 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:41:10,425 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:41:10,425 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:41:10,451 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:41:10,452 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:41:10,453 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:41:10,453 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:41:10,454 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:41:10,454 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:41:10,454 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:41:10,455 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:41:10,455 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:41:10,455 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:41:10,455 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:41:10,455 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:41:10,455 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:41:10,455 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:41:10,456 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:41:10,456 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:41:10,456 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:41:10,456 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:41:10,456 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:41:10,456 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:41:10,457 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:41:10,457 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:41:10,458 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:41:10,458 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:41:10,458 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:41:10,458 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:41:10,458 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:41:10,459 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:41:10,459 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:41:10,459 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:41:10,459 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 -> 5a2d3ce20e3d26ebf70024607ecab77b852f9995 [2018-11-28 18:41:10,510 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:41:10,523 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:41:10,527 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:41:10,529 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:41:10,529 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:41:10,530 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec1_product41_false-unreach-call_false-termination.cil.c [2018-11-28 18:41:10,581 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6afde8f2a/1871329360154a3187fe88b164d589a2/FLAGa01d8aa98 [2018-11-28 18:41:11,097 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:41:11,097 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec1_product41_false-unreach-call_false-termination.cil.c [2018-11-28 18:41:11,113 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6afde8f2a/1871329360154a3187fe88b164d589a2/FLAGa01d8aa98 [2018-11-28 18:41:11,402 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6afde8f2a/1871329360154a3187fe88b164d589a2 [2018-11-28 18:41:11,406 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:41:11,408 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:41:11,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:41:11,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:41:11,417 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:41:11,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:41:11" (1/1) ... [2018-11-28 18:41:11,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b9ec91e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:41:11, skipping insertion in model container [2018-11-28 18:41:11,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:41:11" (1/1) ... [2018-11-28 18:41:11,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:41:11,486 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:41:11,956 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:41:11,979 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:41:12,136 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:41:12,178 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:41:12,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:41:12 WrapperNode [2018-11-28 18:41:12,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:41:12,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:41:12,180 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:41:12,180 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:41:12,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:41:12" (1/1) ... [2018-11-28 18:41:12,231 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:41:12" (1/1) ... [2018-11-28 18:41:12,245 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:41:12,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:41:12,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:41:12,246 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:41:12,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:41:12" (1/1) ... [2018-11-28 18:41:12,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:41:12" (1/1) ... [2018-11-28 18:41:12,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:41:12" (1/1) ... [2018-11-28 18:41:12,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:41:12" (1/1) ... [2018-11-28 18:41:12,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:41:12" (1/1) ... [2018-11-28 18:41:12,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:41:12" (1/1) ... [2018-11-28 18:41:12,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:41:12" (1/1) ... [2018-11-28 18:41:12,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:41:12,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:41:12,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:41:12,312 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:41:12,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:41:12" (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 18:41:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:41:12,386 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:41:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:41:12,387 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:41:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:41:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:41:12,387 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:41:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:41:12,389 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:41:12,389 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 18:41:12,389 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 18:41:12,389 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:41:12,390 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:41:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:41:12,391 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:41:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 18:41:12,391 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 18:41:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 18:41:12,392 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 18:41:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:41:12,392 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:41:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:41:12,394 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:41:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:41:12,394 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:41:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:41:12,395 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:41:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:41:12,395 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:41:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:41:12,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:41:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:41:12,396 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:41:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:41:12,398 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:41:12,398 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:41:12,398 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:41:12,398 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:41:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:41:12,399 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-28 18:41:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-28 18:41:12,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:41:12,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:41:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:41:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:41:12,401 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:41:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:41:12,401 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:41:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:41:12,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:41:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:41:12,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:41:13,594 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:41:13,594 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:41:13,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:41:13 BoogieIcfgContainer [2018-11-28 18:41:13,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:41:13,596 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:41:13,596 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:41:13,599 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:41:13,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:41:11" (1/3) ... [2018-11-28 18:41:13,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53ca6729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:41:13, skipping insertion in model container [2018-11-28 18:41:13,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:41:12" (2/3) ... [2018-11-28 18:41:13,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53ca6729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:41:13, skipping insertion in model container [2018-11-28 18:41:13,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:41:13" (3/3) ... [2018-11-28 18:41:13,603 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product41_false-unreach-call_false-termination.cil.c [2018-11-28 18:41:13,613 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:41:13,621 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:41:13,640 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:41:13,675 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:41:13,676 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:41:13,676 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:41:13,676 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:41:13,676 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:41:13,676 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:41:13,676 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:41:13,677 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:41:13,677 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:41:13,701 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states. [2018-11-28 18:41:13,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 18:41:13,718 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:41:13,719 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 18:41:13,722 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:41:13,731 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:41:13,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1433604863, now seen corresponding path program 1 times [2018-11-28 18:41:13,734 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:41:13,735 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:41:13,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:41:13,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:41:13,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:41:13,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:41:14,073 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 18:41:14,076 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:41:14,076 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:41:14,081 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:41:14,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:41:14,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:41:14,097 INFO L87 Difference]: Start difference. First operand 130 states. Second operand 2 states. [2018-11-28 18:41:14,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:41:14,142 INFO L93 Difference]: Finished difference Result 234 states and 291 transitions. [2018-11-28 18:41:14,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:41:14,145 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 18:41:14,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:41:14,160 INFO L225 Difference]: With dead ends: 234 [2018-11-28 18:41:14,160 INFO L226 Difference]: Without dead ends: 117 [2018-11-28 18:41:14,169 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 18:41:14,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-11-28 18:41:14,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-11-28 18:41:14,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-11-28 18:41:14,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 137 transitions. [2018-11-28 18:41:14,240 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 137 transitions. Word has length 46 [2018-11-28 18:41:14,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:41:14,241 INFO L480 AbstractCegarLoop]: Abstraction has 117 states and 137 transitions. [2018-11-28 18:41:14,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:41:14,241 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 137 transitions. [2018-11-28 18:41:14,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 18:41:14,245 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:41:14,245 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 18:41:14,245 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:41:14,246 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:41:14,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1125637497, now seen corresponding path program 1 times [2018-11-28 18:41:14,246 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:41:14,247 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:41:14,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:41:14,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:41:14,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:41:14,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:41:14,373 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 18:41:14,373 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:41:14,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:41:14,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:41:14,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:41:14,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:41:14,376 INFO L87 Difference]: Start difference. First operand 117 states and 137 transitions. Second operand 3 states. [2018-11-28 18:41:14,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:41:14,412 INFO L93 Difference]: Finished difference Result 183 states and 213 transitions. [2018-11-28 18:41:14,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:41:14,412 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 18:41:14,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:41:14,415 INFO L225 Difference]: With dead ends: 183 [2018-11-28 18:41:14,415 INFO L226 Difference]: Without dead ends: 108 [2018-11-28 18:41:14,417 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 18:41:14,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-11-28 18:41:14,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2018-11-28 18:41:14,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-11-28 18:41:14,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 125 transitions. [2018-11-28 18:41:14,433 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 125 transitions. Word has length 47 [2018-11-28 18:41:14,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:41:14,433 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 125 transitions. [2018-11-28 18:41:14,434 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:41:14,434 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 125 transitions. [2018-11-28 18:41:14,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 18:41:14,436 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:41:14,436 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:41:14,436 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:41:14,437 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:41:14,437 INFO L82 PathProgramCache]: Analyzing trace with hash -690378636, now seen corresponding path program 1 times [2018-11-28 18:41:14,437 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:41:14,437 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:41:14,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:41:14,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:41:14,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:41:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:41:14,701 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 18:41:14,701 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:41:14,702 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:41:14,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:41:14,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:41:14,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:41:14,703 INFO L87 Difference]: Start difference. First operand 108 states and 125 transitions. Second operand 7 states. [2018-11-28 18:41:15,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:41:15,203 INFO L93 Difference]: Finished difference Result 192 states and 227 transitions. [2018-11-28 18:41:15,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:41:15,205 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-28 18:41:15,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:41:15,207 INFO L225 Difference]: With dead ends: 192 [2018-11-28 18:41:15,207 INFO L226 Difference]: Without dead ends: 108 [2018-11-28 18:41:15,209 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 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 18:41:15,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-11-28 18:41:15,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2018-11-28 18:41:15,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-11-28 18:41:15,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 124 transitions. [2018-11-28 18:41:15,225 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 124 transitions. Word has length 51 [2018-11-28 18:41:15,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:41:15,226 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 124 transitions. [2018-11-28 18:41:15,226 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:41:15,226 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 124 transitions. [2018-11-28 18:41:15,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-28 18:41:15,232 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:41:15,232 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:41:15,232 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:41:15,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:41:15,233 INFO L82 PathProgramCache]: Analyzing trace with hash 373656101, now seen corresponding path program 1 times [2018-11-28 18:41:15,233 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:41:15,233 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:41:15,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:41:15,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:41:15,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:41:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:41:15,455 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 18:41:15,456 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:41:15,456 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 18:41:15,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 18:41:15,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 18:41:15,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:41:15,458 INFO L87 Difference]: Start difference. First operand 108 states and 124 transitions. Second operand 5 states. [2018-11-28 18:41:16,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:41:16,535 INFO L93 Difference]: Finished difference Result 277 states and 333 transitions. [2018-11-28 18:41:16,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:41:16,537 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2018-11-28 18:41:16,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:41:16,540 INFO L225 Difference]: With dead ends: 277 [2018-11-28 18:41:16,541 INFO L226 Difference]: Without dead ends: 193 [2018-11-28 18:41:16,542 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:41:16,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2018-11-28 18:41:16,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 175. [2018-11-28 18:41:16,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-11-28 18:41:16,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 201 transitions. [2018-11-28 18:41:16,578 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 201 transitions. Word has length 59 [2018-11-28 18:41:16,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:41:16,579 INFO L480 AbstractCegarLoop]: Abstraction has 175 states and 201 transitions. [2018-11-28 18:41:16,579 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 18:41:16,579 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 201 transitions. [2018-11-28 18:41:16,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-28 18:41:16,581 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:41:16,582 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, 1, 1, 1, 1, 1] [2018-11-28 18:41:16,582 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:41:16,582 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:41:16,582 INFO L82 PathProgramCache]: Analyzing trace with hash -195947358, now seen corresponding path program 1 times [2018-11-28 18:41:16,583 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:41:16,583 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:41:16,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:41:16,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:41:16,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:41:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:41:16,980 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 18:41:16,981 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:41:16,981 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:41:16,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:41:16,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:41:16,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:41:16,983 INFO L87 Difference]: Start difference. First operand 175 states and 201 transitions. Second operand 6 states. [2018-11-28 18:41:17,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:41:17,518 INFO L93 Difference]: Finished difference Result 462 states and 550 transitions. [2018-11-28 18:41:17,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:41:17,520 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 73 [2018-11-28 18:41:17,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:41:17,525 INFO L225 Difference]: With dead ends: 462 [2018-11-28 18:41:17,526 INFO L226 Difference]: Without dead ends: 311 [2018-11-28 18:41:17,528 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:41:17,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2018-11-28 18:41:17,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 305. [2018-11-28 18:41:17,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2018-11-28 18:41:17,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 352 transitions. [2018-11-28 18:41:17,569 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 352 transitions. Word has length 73 [2018-11-28 18:41:17,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:41:17,569 INFO L480 AbstractCegarLoop]: Abstraction has 305 states and 352 transitions. [2018-11-28 18:41:17,569 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:41:17,570 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 352 transitions. [2018-11-28 18:41:17,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-28 18:41:17,573 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:41:17,573 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:41:17,573 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:41:17,573 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:41:17,574 INFO L82 PathProgramCache]: Analyzing trace with hash 515949382, now seen corresponding path program 1 times [2018-11-28 18:41:17,574 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:41:17,574 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:41:17,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:41:17,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:41:17,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:41:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:41:17,702 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 18:41:17,702 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:41:17,702 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:41:17,703 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:41:17,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:41:17,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:41:17,704 INFO L87 Difference]: Start difference. First operand 305 states and 352 transitions. Second operand 7 states. [2018-11-28 18:41:18,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:41:18,558 INFO L93 Difference]: Finished difference Result 338 states and 401 transitions. [2018-11-28 18:41:18,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 18:41:18,559 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 77 [2018-11-28 18:41:18,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:41:18,565 INFO L225 Difference]: With dead ends: 338 [2018-11-28 18:41:18,565 INFO L226 Difference]: Without dead ends: 335 [2018-11-28 18:41:18,566 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:41:18,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2018-11-28 18:41:18,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 305. [2018-11-28 18:41:18,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2018-11-28 18:41:18,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 351 transitions. [2018-11-28 18:41:18,602 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 351 transitions. Word has length 77 [2018-11-28 18:41:18,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:41:18,602 INFO L480 AbstractCegarLoop]: Abstraction has 305 states and 351 transitions. [2018-11-28 18:41:18,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:41:18,603 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 351 transitions. [2018-11-28 18:41:18,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-28 18:41:18,605 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:41:18,606 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:41:18,606 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:41:18,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:41:18,606 INFO L82 PathProgramCache]: Analyzing trace with hash 928520475, now seen corresponding path program 1 times [2018-11-28 18:41:18,606 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:41:18,607 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:41:18,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:41:18,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:41:18,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:41:18,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:41:18,838 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:41:18,839 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:41:18,839 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:41:18,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:41:18,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:41:18,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:41:18,840 INFO L87 Difference]: Start difference. First operand 305 states and 351 transitions. Second operand 6 states. [2018-11-28 18:41:18,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:41:18,896 INFO L93 Difference]: Finished difference Result 600 states and 706 transitions. [2018-11-28 18:41:18,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:41:18,901 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-11-28 18:41:18,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:41:18,906 INFO L225 Difference]: With dead ends: 600 [2018-11-28 18:41:18,907 INFO L226 Difference]: Without dead ends: 319 [2018-11-28 18:41:18,908 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:41:18,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2018-11-28 18:41:18,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 315. [2018-11-28 18:41:18,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2018-11-28 18:41:18,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 361 transitions. [2018-11-28 18:41:18,955 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 361 transitions. Word has length 93 [2018-11-28 18:41:18,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:41:18,957 INFO L480 AbstractCegarLoop]: Abstraction has 315 states and 361 transitions. [2018-11-28 18:41:18,957 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:41:18,957 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 361 transitions. [2018-11-28 18:41:18,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-28 18:41:18,960 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:41:18,961 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:41:18,962 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:41:18,962 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:41:18,963 INFO L82 PathProgramCache]: Analyzing trace with hash 31127197, now seen corresponding path program 1 times [2018-11-28 18:41:18,963 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:41:18,963 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:41:18,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:41:18,964 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:41:18,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:41:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:41:19,126 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:41:19,127 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:41:19,127 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 18:41:19,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 18:41:19,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 18:41:19,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:41:19,128 INFO L87 Difference]: Start difference. First operand 315 states and 361 transitions. Second operand 8 states. [2018-11-28 18:41:19,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:41:19,188 INFO L93 Difference]: Finished difference Result 620 states and 728 transitions. [2018-11-28 18:41:19,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:41:19,189 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2018-11-28 18:41:19,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:41:19,192 INFO L225 Difference]: With dead ends: 620 [2018-11-28 18:41:19,192 INFO L226 Difference]: Without dead ends: 329 [2018-11-28 18:41:19,194 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:41:19,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2018-11-28 18:41:19,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 323. [2018-11-28 18:41:19,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2018-11-28 18:41:19,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 369 transitions. [2018-11-28 18:41:19,219 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 369 transitions. Word has length 93 [2018-11-28 18:41:19,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:41:19,220 INFO L480 AbstractCegarLoop]: Abstraction has 323 states and 369 transitions. [2018-11-28 18:41:19,220 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 18:41:19,220 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 369 transitions. [2018-11-28 18:41:19,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-28 18:41:19,222 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:41:19,222 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:41:19,222 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:41:19,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:41:19,223 INFO L82 PathProgramCache]: Analyzing trace with hash 2002066654, now seen corresponding path program 1 times [2018-11-28 18:41:19,223 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:41:19,223 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:41:19,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:41:19,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:41:19,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:41:19,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:41:19,609 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-28 18:41:19,620 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:41:19,620 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:41:19,621 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 18:41:19,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 18:41:19,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 18:41:19,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:41:19,622 INFO L87 Difference]: Start difference. First operand 323 states and 369 transitions. Second operand 4 states. [2018-11-28 18:41:20,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:41:20,478 INFO L93 Difference]: Finished difference Result 943 states and 1136 transitions. [2018-11-28 18:41:20,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 18:41:20,479 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2018-11-28 18:41:20,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:41:20,484 INFO L225 Difference]: With dead ends: 943 [2018-11-28 18:41:20,484 INFO L226 Difference]: Without dead ends: 644 [2018-11-28 18:41:20,486 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:41:20,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2018-11-28 18:41:20,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 629. [2018-11-28 18:41:20,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 629 states. [2018-11-28 18:41:20,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 739 transitions. [2018-11-28 18:41:20,536 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 739 transitions. Word has length 93 [2018-11-28 18:41:20,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:41:20,537 INFO L480 AbstractCegarLoop]: Abstraction has 629 states and 739 transitions. [2018-11-28 18:41:20,537 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 18:41:20,537 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 739 transitions. [2018-11-28 18:41:20,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-28 18:41:20,539 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:41:20,539 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:41:20,540 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:41:20,540 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:41:20,540 INFO L82 PathProgramCache]: Analyzing trace with hash -1002703548, now seen corresponding path program 1 times [2018-11-28 18:41:20,540 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:41:20,540 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:41:20,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:41:20,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:41:20,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:41:20,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:41:21,671 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 18:41:21,671 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:41:21,672 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 18:41:21,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:41:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:41:21,828 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:41:22,673 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:41:22,697 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:41:22,697 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-28 18:41:22,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 18:41:22,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 18:41:22,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:41:22,698 INFO L87 Difference]: Start difference. First operand 629 states and 739 transitions. Second operand 19 states. [2018-11-28 18:41:26,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:41:26,416 INFO L93 Difference]: Finished difference Result 1206 states and 1434 transitions. [2018-11-28 18:41:26,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 18:41:26,418 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 97 [2018-11-28 18:41:26,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:41:26,424 INFO L225 Difference]: With dead ends: 1206 [2018-11-28 18:41:26,424 INFO L226 Difference]: Without dead ends: 601 [2018-11-28 18:41:26,427 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 92 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-28 18:41:26,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2018-11-28 18:41:26,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2018-11-28 18:41:26,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2018-11-28 18:41:26,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 693 transitions. [2018-11-28 18:41:26,483 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 693 transitions. Word has length 97 [2018-11-28 18:41:26,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:41:26,485 INFO L480 AbstractCegarLoop]: Abstraction has 601 states and 693 transitions. [2018-11-28 18:41:26,485 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 18:41:26,485 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 693 transitions. [2018-11-28 18:41:26,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-28 18:41:26,490 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:41:26,490 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:41:26,491 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:41:26,492 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:41:26,492 INFO L82 PathProgramCache]: Analyzing trace with hash -890713093, now seen corresponding path program 1 times [2018-11-28 18:41:26,492 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:41:26,492 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:41:26,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:41:26,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:41:26,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:41:26,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 18:41:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 18:41:26,715 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 18:41:26,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:41:26 BoogieIcfgContainer [2018-11-28 18:41:26,970 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:41:26,970 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:41:26,971 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:41:26,971 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:41:26,971 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:41:13" (3/4) ... [2018-11-28 18:41:26,974 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 18:41:27,183 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:41:27,184 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:41:27,184 INFO L168 Benchmark]: Toolchain (without parser) took 15777.35 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 312.0 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -187.9 MB). Peak memory consumption was 124.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:41:27,185 INFO L168 Benchmark]: CDTParser took 0.19 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 18:41:27,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 767.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -158.5 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:41:27,186 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.46 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 18:41:27,187 INFO L168 Benchmark]: Boogie Preprocessor took 65.63 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 18:41:27,187 INFO L168 Benchmark]: RCFGBuilder took 1283.39 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: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 11.5 GB. [2018-11-28 18:41:27,187 INFO L168 Benchmark]: TraceAbstraction took 13374.19 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 180.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -121.9 MB). Peak memory consumption was 58.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:41:27,188 INFO L168 Benchmark]: Witness Printer took 213.17 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 46.7 MB). Peak memory consumption was 46.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:41:27,191 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 767.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -158.5 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.46 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. * Boogie Preprocessor took 65.63 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 1283.39 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: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13374.19 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 180.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -121.9 MB). Peak memory consumption was 58.5 MB. Max. memory is 11.5 GB. * Witness Printer took 213.17 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 46.7 MB). Peak memory consumption was 46.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 887]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L480] int waterLevel = 1; [L481] int methaneLevelCritical = 0; [L578] int pumpRunning = 0; [L579] int systemActive = 1; [L749] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=193, \old(head)=175, \old(head)=200, \old(methaneLevelCritical)=148, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=141, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L825] int retValue_acc ; [L826] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L830] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L831] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L832] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L874] int retValue_acc ; [L877] retValue_acc = 1 [L878] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L832] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L832] tmp = valid_product() [L834] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L836] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L837] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L816] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L411] int splverifierCounter ; [L412] int tmp ; [L413] int tmp___0 ; [L414] int tmp___1 ; [L415] int tmp___2 ; [L418] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L420] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L422] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L428] tmp = __VERIFIER_nondet_int() [L430] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L432] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L498] COND TRUE waterLevel < 2 [L499] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L432] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L438] tmp___0 = __VERIFIER_nondet_int() [L440] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L448] tmp___2 = __VERIFIER_nondet_int() [L450] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L463] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L586] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L593] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L595] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L615] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L618] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L620] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L730] int retValue_acc ; [L731] int tmp ; [L732] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L736] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L560] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L563] COND FALSE !(waterLevel < 2) [L567] retValue_acc = 0 [L568] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L736] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L736] tmp = isHighWaterSensorDry() [L738] COND FALSE !(\read(tmp)) [L741] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L743] retValue_acc = tmp___0 [L744] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L620] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L620] tmp = isHighWaterLevel() [L622] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L624] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L649] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L653] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L674] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L678] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L519] int retValue_acc ; [L522] retValue_acc = methaneLevelCritical [L523] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L678] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L678] retValue_acc = isMethaneLevelCritical() [L680] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L653] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L653] tmp = isMethaneAlarm() [L655] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L659] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L643] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L659] RET activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L624] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L595] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L601] CALL __utac_acc__Specification1_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L893] int tmp ; [L894] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L898] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L519] int retValue_acc ; [L522] retValue_acc = methaneLevelCritical [L523] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=2] [L898] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L898] tmp = isMethaneLevelCritical() [L900] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L601] RET __utac_acc__Specification1_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L463] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L420] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L422] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L428] tmp = __VERIFIER_nondet_int() [L430] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L438] tmp___0 = __VERIFIER_nondet_int() [L440] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L442] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L510] COND FALSE !(\read(methaneLevelCritical)) [L513] methaneLevelCritical = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L442] RET changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L448] tmp___2 = __VERIFIER_nondet_int() [L450] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L463] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L586] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L588] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L486] COND TRUE waterLevel > 0 [L487] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L588] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L593] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L595] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L615] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L618] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L633] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L595] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L601] CALL __utac_acc__Specification1_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L893] int tmp ; [L894] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L898] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L519] int retValue_acc ; [L522] retValue_acc = methaneLevelCritical [L523] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L898] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L898] tmp = isMethaneLevelCritical() [L900] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L902] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L685] int retValue_acc ; [L688] retValue_acc = pumpRunning [L689] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L902] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L902] tmp___0 = isPumpRunning() [L904] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L906] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L887] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 130 locations, 1 error locations. UNSAFE Result, 13.3s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 7.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1425 SDtfs, 862 SDslu, 4216 SDs, 0 SdLazy, 1727 SolverSat, 214 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 207 GetRequests, 130 SyntacticMatches, 2 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=629occurred in iteration=9, 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: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 79 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 958 NumberOfCodeBlocks, 958 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 815 ConstructedInterpolants, 0 QuantifiedInterpolants, 108737 SizeOfPredicates, 3 NumberOfNonLiveVariables, 728 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 11 InterpolantComputations, 10 PerfectInterpolantSequences, 13/15 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...