./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product34_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_spec4_product34_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 feddb53df5c889a09349b532f3a03633c4161684 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 18:42:30,580 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:42:30,582 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:42:30,594 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:42:30,595 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:42:30,596 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:42:30,597 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:42:30,600 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:42:30,602 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:42:30,603 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:42:30,603 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:42:30,604 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:42:30,605 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:42:30,606 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:42:30,607 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:42:30,608 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:42:30,609 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:42:30,611 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:42:30,614 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:42:30,615 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:42:30,617 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:42:30,618 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:42:30,621 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:42:30,621 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:42:30,621 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:42:30,623 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:42:30,624 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:42:30,625 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:42:30,626 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:42:30,627 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:42:30,627 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:42:30,628 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:42:30,628 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:42:30,629 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:42:30,630 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:42:30,631 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:42:30,631 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:42:30,648 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:42:30,649 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:42:30,650 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:42:30,650 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:42:30,650 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:42:30,651 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:42:30,651 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:42:30,651 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:42:30,653 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:42:30,653 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:42:30,653 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:42:30,653 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:42:30,653 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:42:30,654 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:42:30,654 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:42:30,654 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:42:30,654 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:42:30,655 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:42:30,656 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:42:30,656 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:42:30,656 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:42:30,657 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:42:30,657 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:42:30,657 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:42:30,657 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:42:30,657 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:42:30,657 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:42:30,659 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:42:30,659 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:42:30,659 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:42:30,659 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 -> feddb53df5c889a09349b532f3a03633c4161684 [2018-11-28 18:42:30,718 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:42:30,739 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:42:30,745 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:42:30,747 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:42:30,748 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:42:30,749 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product34_false-unreach-call_false-termination.cil.c [2018-11-28 18:42:30,817 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ae74945f/61fd90335c8642e6a72dc49bad28c0d7/FLAG2ddac986f [2018-11-28 18:42:31,409 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:42:31,410 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product34_false-unreach-call_false-termination.cil.c [2018-11-28 18:42:31,428 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ae74945f/61fd90335c8642e6a72dc49bad28c0d7/FLAG2ddac986f [2018-11-28 18:42:31,624 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ae74945f/61fd90335c8642e6a72dc49bad28c0d7 [2018-11-28 18:42:31,627 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:42:31,629 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:42:31,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:42:31,630 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:42:31,634 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:42:31,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:42:31" (1/1) ... [2018-11-28 18:42:31,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31582b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:31, skipping insertion in model container [2018-11-28 18:42:31,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:42:31" (1/1) ... [2018-11-28 18:42:31,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:42:31,723 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:42:32,098 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:42:32,128 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:42:32,244 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:42:32,366 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:42:32,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:32 WrapperNode [2018-11-28 18:42:32,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:42:32,368 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:42:32,368 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:42:32,369 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:42:32,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:32" (1/1) ... [2018-11-28 18:42:32,401 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:32" (1/1) ... [2018-11-28 18:42:32,412 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:42:32,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:42:32,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:42:32,412 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:42:32,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:32" (1/1) ... [2018-11-28 18:42:32,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:32" (1/1) ... [2018-11-28 18:42:32,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:32" (1/1) ... [2018-11-28 18:42:32,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:32" (1/1) ... [2018-11-28 18:42:32,448 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:32" (1/1) ... [2018-11-28 18:42:32,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:32" (1/1) ... [2018-11-28 18:42:32,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:32" (1/1) ... [2018-11-28 18:42:32,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:42:32,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:42:32,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:42:32,465 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:42:32,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:42:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:42:32,524 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:42:32,525 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:42:32,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:42:32,525 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:42:32,525 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:42:32,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:42:32,526 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:42:32,526 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:42:32,526 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 18:42:32,526 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 18:42:32,526 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:42:32,526 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:42:32,527 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:42:32,530 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:42:32,530 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:42:32,530 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:42:32,530 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 18:42:32,530 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 18:42:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 18:42:32,531 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 18:42:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 18:42:32,531 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 18:42:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:42:32,531 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:42:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:42:32,531 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:42:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:42:32,533 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:42:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 18:42:32,534 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 18:42:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:42:32,534 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:42:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:42:32,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:42:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:42:32,534 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:42:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:42:32,535 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:42:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:42:32,535 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:42:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:42:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:42:32,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:42:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:42:32,536 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:42:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:42:32,536 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:42:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:42:32,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:42:33,501 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:42:33,502 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:42:33,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:42:33 BoogieIcfgContainer [2018-11-28 18:42:33,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:42:33,503 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:42:33,503 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:42:33,508 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:42:33,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:42:31" (1/3) ... [2018-11-28 18:42:33,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@486c22c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:42:33, skipping insertion in model container [2018-11-28 18:42:33,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:32" (2/3) ... [2018-11-28 18:42:33,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@486c22c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:42:33, skipping insertion in model container [2018-11-28 18:42:33,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:42:33" (3/3) ... [2018-11-28 18:42:33,513 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product34_false-unreach-call_false-termination.cil.c [2018-11-28 18:42:33,525 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:42:33,540 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:42:33,560 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:42:33,609 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:42:33,610 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:42:33,610 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:42:33,610 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:42:33,612 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:42:33,612 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:42:33,612 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:42:33,612 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:42:33,613 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:42:33,652 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states. [2018-11-28 18:42:33,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 18:42:33,665 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:33,667 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 18:42:33,670 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:33,677 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:33,678 INFO L82 PathProgramCache]: Analyzing trace with hash -786242842, now seen corresponding path program 1 times [2018-11-28 18:42:33,680 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:33,681 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:33,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:33,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:33,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:33,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:42:33,992 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:42:33,992 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:42:33,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:42:34,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:42:34,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:42:34,018 INFO L87 Difference]: Start difference. First operand 122 states. Second operand 2 states. [2018-11-28 18:42:34,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:42:34,062 INFO L93 Difference]: Finished difference Result 218 states and 271 transitions. [2018-11-28 18:42:34,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:42:34,065 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 18:42:34,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:42:34,082 INFO L225 Difference]: With dead ends: 218 [2018-11-28 18:42:34,083 INFO L226 Difference]: Without dead ends: 109 [2018-11-28 18:42:34,088 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:42:34,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-11-28 18:42:34,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-11-28 18:42:34,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-11-28 18:42:34,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2018-11-28 18:42:34,153 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 46 [2018-11-28 18:42:34,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:42:34,154 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2018-11-28 18:42:34,154 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:42:34,154 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2018-11-28 18:42:34,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 18:42:34,159 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:34,159 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 18:42:34,159 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:34,160 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:34,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1922345988, now seen corresponding path program 1 times [2018-11-28 18:42:34,160 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:34,160 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:34,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:34,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:34,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:34,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:42:34,359 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:42:34,359 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:42:34,367 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:42:34,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:42:34,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:42:34,368 INFO L87 Difference]: Start difference. First operand 109 states and 127 transitions. Second operand 3 states. [2018-11-28 18:42:34,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:42:34,393 INFO L93 Difference]: Finished difference Result 163 states and 189 transitions. [2018-11-28 18:42:34,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:42:34,394 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 18:42:34,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:42:34,398 INFO L225 Difference]: With dead ends: 163 [2018-11-28 18:42:34,399 INFO L226 Difference]: Without dead ends: 100 [2018-11-28 18:42:34,402 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:42:34,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-11-28 18:42:34,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-11-28 18:42:34,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-11-28 18:42:34,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 115 transitions. [2018-11-28 18:42:34,419 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 115 transitions. Word has length 47 [2018-11-28 18:42:34,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:42:34,419 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 115 transitions. [2018-11-28 18:42:34,419 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:42:34,420 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions. [2018-11-28 18:42:34,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:42:34,423 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:34,423 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:42:34,424 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:34,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:34,424 INFO L82 PathProgramCache]: Analyzing trace with hash -869774431, now seen corresponding path program 1 times [2018-11-28 18:42:34,424 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:34,424 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:34,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:34,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:34,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:34,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:42:34,703 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:42:34,704 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:42:34,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:42:34,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:42:34,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:42:34,706 INFO L87 Difference]: Start difference. First operand 100 states and 115 transitions. Second operand 7 states. [2018-11-28 18:42:35,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:42:35,577 INFO L93 Difference]: Finished difference Result 176 states and 207 transitions. [2018-11-28 18:42:35,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:42:35,577 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-28 18:42:35,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:42:35,580 INFO L225 Difference]: With dead ends: 176 [2018-11-28 18:42:35,580 INFO L226 Difference]: Without dead ends: 100 [2018-11-28 18:42:35,581 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:42:35,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-11-28 18:42:35,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-11-28 18:42:35,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-11-28 18:42:35,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 114 transitions. [2018-11-28 18:42:35,596 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 114 transitions. Word has length 52 [2018-11-28 18:42:35,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:42:35,597 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 114 transitions. [2018-11-28 18:42:35,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:42:35,597 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2018-11-28 18:42:35,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-28 18:42:35,600 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:35,600 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:42:35,601 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:35,601 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:35,601 INFO L82 PathProgramCache]: Analyzing trace with hash 930294654, now seen corresponding path program 1 times [2018-11-28 18:42:35,601 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:35,601 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:35,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:35,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:35,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:35,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:35,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:42:35,856 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:42:35,857 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 18:42:35,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 18:42:35,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 18:42:35,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:42:35,859 INFO L87 Difference]: Start difference. First operand 100 states and 114 transitions. Second operand 5 states. [2018-11-28 18:42:36,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:42:36,848 INFO L93 Difference]: Finished difference Result 264 states and 317 transitions. [2018-11-28 18:42:36,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:42:36,850 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2018-11-28 18:42:36,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:42:36,853 INFO L225 Difference]: With dead ends: 264 [2018-11-28 18:42:36,854 INFO L226 Difference]: Without dead ends: 188 [2018-11-28 18:42:36,855 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 18:42:36,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2018-11-28 18:42:36,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 169. [2018-11-28 18:42:36,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-11-28 18:42:36,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 193 transitions. [2018-11-28 18:42:36,886 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 193 transitions. Word has length 60 [2018-11-28 18:42:36,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:42:36,887 INFO L480 AbstractCegarLoop]: Abstraction has 169 states and 193 transitions. [2018-11-28 18:42:36,887 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 18:42:36,887 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 193 transitions. [2018-11-28 18:42:36,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-28 18:42:36,894 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:36,894 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] [2018-11-28 18:42:36,895 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:36,895 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:36,895 INFO L82 PathProgramCache]: Analyzing trace with hash 1011248614, now seen corresponding path program 1 times [2018-11-28 18:42:36,895 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:36,895 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:36,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:36,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:36,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:37,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:42:37,343 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:42:37,343 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 18:42:37,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 18:42:37,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 18:42:37,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:42:37,346 INFO L87 Difference]: Start difference. First operand 169 states and 193 transitions. Second operand 10 states. [2018-11-28 18:42:38,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:42:38,390 INFO L93 Difference]: Finished difference Result 541 states and 676 transitions. [2018-11-28 18:42:38,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 18:42:38,391 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 74 [2018-11-28 18:42:38,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:42:38,398 INFO L225 Difference]: With dead ends: 541 [2018-11-28 18:42:38,398 INFO L226 Difference]: Without dead ends: 396 [2018-11-28 18:42:38,401 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:42:38,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2018-11-28 18:42:38,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 386. [2018-11-28 18:42:38,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 386 states. [2018-11-28 18:42:38,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 456 transitions. [2018-11-28 18:42:38,478 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 456 transitions. Word has length 74 [2018-11-28 18:42:38,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:42:38,478 INFO L480 AbstractCegarLoop]: Abstraction has 386 states and 456 transitions. [2018-11-28 18:42:38,478 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 18:42:38,479 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 456 transitions. [2018-11-28 18:42:38,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-28 18:42:38,490 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:38,490 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:42:38,491 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:38,491 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:38,491 INFO L82 PathProgramCache]: Analyzing trace with hash -541253870, now seen corresponding path program 1 times [2018-11-28 18:42:38,491 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:38,492 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:38,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:38,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:38,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:38,950 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-28 18:42:38,950 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:42:38,951 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 18:42:38,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:39,133 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:42:39,231 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-28 18:42:39,255 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:42:39,256 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2018-11-28 18:42:39,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:42:39,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:42:39,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:42:39,257 INFO L87 Difference]: Start difference. First operand 386 states and 456 transitions. Second operand 6 states. [2018-11-28 18:42:39,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:42:39,336 INFO L93 Difference]: Finished difference Result 763 states and 919 transitions. [2018-11-28 18:42:39,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:42:39,341 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 111 [2018-11-28 18:42:39,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:42:39,347 INFO L225 Difference]: With dead ends: 763 [2018-11-28 18:42:39,349 INFO L226 Difference]: Without dead ends: 401 [2018-11-28 18:42:39,352 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 109 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:42:39,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2018-11-28 18:42:39,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2018-11-28 18:42:39,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2018-11-28 18:42:39,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 472 transitions. [2018-11-28 18:42:39,406 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 472 transitions. Word has length 111 [2018-11-28 18:42:39,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:42:39,407 INFO L480 AbstractCegarLoop]: Abstraction has 401 states and 472 transitions. [2018-11-28 18:42:39,407 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:42:39,407 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 472 transitions. [2018-11-28 18:42:39,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-28 18:42:39,412 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:39,412 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:42:39,412 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:39,412 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:39,412 INFO L82 PathProgramCache]: Analyzing trace with hash -888540528, now seen corresponding path program 1 times [2018-11-28 18:42:39,414 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:39,414 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:39,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:39,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:39,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:39,998 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-28 18:42:39,998 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:42:39,998 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:42:40,015 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:40,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:40,156 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:42:40,808 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:42:40,839 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:42:40,839 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2018-11-28 18:42:40,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 18:42:40,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 18:42:40,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2018-11-28 18:42:40,841 INFO L87 Difference]: Start difference. First operand 401 states and 472 transitions. Second operand 14 states. [2018-11-28 18:42:44,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:42:44,200 INFO L93 Difference]: Finished difference Result 972 states and 1277 transitions. [2018-11-28 18:42:44,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-28 18:42:44,201 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 119 [2018-11-28 18:42:44,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:42:44,207 INFO L225 Difference]: With dead ends: 972 [2018-11-28 18:42:44,207 INFO L226 Difference]: Without dead ends: 595 [2018-11-28 18:42:44,210 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=140, Invalid=616, Unknown=0, NotChecked=0, Total=756 [2018-11-28 18:42:44,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2018-11-28 18:42:44,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 515. [2018-11-28 18:42:44,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2018-11-28 18:42:44,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 617 transitions. [2018-11-28 18:42:44,255 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 617 transitions. Word has length 119 [2018-11-28 18:42:44,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:42:44,256 INFO L480 AbstractCegarLoop]: Abstraction has 515 states and 617 transitions. [2018-11-28 18:42:44,256 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 18:42:44,256 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 617 transitions. [2018-11-28 18:42:44,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-28 18:42:44,259 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:44,259 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:42:44,260 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:44,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:44,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1880639221, now seen corresponding path program 1 times [2018-11-28 18:42:44,260 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:44,260 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:44,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:44,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:44,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:45,026 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 6 [2018-11-28 18:42:45,048 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:42:45,048 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:42:45,048 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:42:45,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:45,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:45,178 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:42:45,377 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:42:45,399 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 18:42:45,400 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2018-11-28 18:42:45,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-28 18:42:45,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-28 18:42:45,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-11-28 18:42:45,401 INFO L87 Difference]: Start difference. First operand 515 states and 617 transitions. Second operand 15 states. [2018-11-28 18:42:48,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:42:48,986 INFO L93 Difference]: Finished difference Result 1025 states and 1291 transitions. [2018-11-28 18:42:48,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-28 18:42:48,987 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 115 [2018-11-28 18:42:48,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:42:48,993 INFO L225 Difference]: With dead ends: 1025 [2018-11-28 18:42:48,993 INFO L226 Difference]: Without dead ends: 588 [2018-11-28 18:42:48,996 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=195, Invalid=561, Unknown=0, NotChecked=0, Total=756 [2018-11-28 18:42:48,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2018-11-28 18:42:49,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 503. [2018-11-28 18:42:49,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 503 states. [2018-11-28 18:42:49,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 601 transitions. [2018-11-28 18:42:49,044 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 601 transitions. Word has length 115 [2018-11-28 18:42:49,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:42:49,044 INFO L480 AbstractCegarLoop]: Abstraction has 503 states and 601 transitions. [2018-11-28 18:42:49,045 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-28 18:42:49,045 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 601 transitions. [2018-11-28 18:42:49,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-28 18:42:49,049 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:49,049 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-28 18:42:49,049 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:49,050 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:49,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1144058278, now seen corresponding path program 2 times [2018-11-28 18:42:49,050 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:49,050 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:49,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:49,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:49,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 18:42:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 18:42:49,257 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 18:42:49,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:42:49 BoogieIcfgContainer [2018-11-28 18:42:49,480 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:42:49,480 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:42:49,480 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:42:49,480 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:42:49,481 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:42:33" (3/4) ... [2018-11-28 18:42:49,485 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 18:42:49,768 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:42:49,769 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:42:49,770 INFO L168 Benchmark]: Toolchain (without parser) took 18142.14 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 317.7 MB). Free memory was 951.4 MB in the beginning and 1.3 GB in the end (delta: -341.5 MB). Peak memory consumption was 426.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:42:49,771 INFO L168 Benchmark]: CDTParser took 0.23 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 18:42:49,771 INFO L168 Benchmark]: CACSL2BoogieTranslator took 737.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -187.4 MB). Peak memory consumption was 43.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:42:49,772 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:42:49,772 INFO L168 Benchmark]: Boogie Preprocessor took 51.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:42:49,772 INFO L168 Benchmark]: RCFGBuilder took 1038.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:42:49,773 INFO L168 Benchmark]: TraceAbstraction took 15976.47 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 150.5 MB). Free memory was 1.1 GB in the beginning and 859.8 MB in the end (delta: 227.7 MB). Peak memory consumption was 378.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:42:49,773 INFO L168 Benchmark]: Witness Printer took 288.89 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 22.5 MB). Free memory was 859.8 MB in the beginning and 1.3 GB in the end (delta: -433.1 MB). Peak memory consumption was 39.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:42:49,778 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 737.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -187.4 MB). Peak memory consumption was 43.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.93 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 1038.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15976.47 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 150.5 MB). Free memory was 1.1 GB in the beginning and 859.8 MB in the end (delta: 227.7 MB). Peak memory consumption was 378.2 MB. Max. memory is 11.5 GB. * Witness Printer took 288.89 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 22.5 MB). Free memory was 859.8 MB in the beginning and 1.3 GB in the end (delta: -433.1 MB). Peak memory consumption was 39.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 540]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L69] int cleanupTimeShifts = 4; [L282] int pumpRunning = 0; [L283] int systemActive = 1; [L442] int waterLevel = 1; [L443] int methaneLevelCritical = 0; [L714] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L150] int retValue_acc ; [L151] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L155] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L156] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L157] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L199] int retValue_acc ; [L202] retValue_acc = 1 [L203] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L157] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L157] tmp = valid_product() [L159] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L161] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L162] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L141] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L210] int splverifierCounter ; [L211] int tmp ; [L212] int tmp___0 ; [L213] int tmp___1 ; [L214] int tmp___2 ; [L217] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L219] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L221] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L227] tmp = __VERIFIER_nondet_int() [L229] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L231] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L460] COND TRUE waterLevel < 2 [L461] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L231] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L237] tmp___0 = __VERIFIER_nondet_int() [L239] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L247] tmp___2 = __VERIFIER_nondet_int() [L249] COND FALSE !(\read(tmp___2)) [L255] tmp___1 = __VERIFIER_nondet_int() [L257] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L264] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L289] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L296] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L298] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L318] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L321] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L323] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L415] int retValue_acc ; [L416] int tmp ; [L417] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L421] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L522] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L525] COND FALSE !(waterLevel < 2) [L529] retValue_acc = 0 [L530] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L421] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L421] tmp = isHighWaterSensorDry() [L423] COND FALSE !(\read(tmp)) [L426] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L428] retValue_acc = tmp___0 [L429] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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] [L323] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L323] tmp = isHighWaterLevel() [L325] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L327] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L346] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L327] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L298] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L304] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L44] int tmp ; [L45] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L49] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L513] int retValue_acc ; [L516] retValue_acc = waterLevel [L517] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L49] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L49] tmp = getWaterLevel() [L51] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L304] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L264] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L219] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L221] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L227] tmp = __VERIFIER_nondet_int() [L229] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L237] tmp___0 = __VERIFIER_nondet_int() [L239] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L247] tmp___2 = __VERIFIER_nondet_int() [L249] COND FALSE !(\read(tmp___2)) [L255] tmp___1 = __VERIFIER_nondet_int() [L257] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L264] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L289] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L291] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L448] COND TRUE waterLevel > 0 [L449] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L291] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L296] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L298] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L318] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L321] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L336] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L298] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L304] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L44] int tmp ; [L45] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L49] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L513] int retValue_acc ; [L516] retValue_acc = waterLevel [L517] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L49] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L49] tmp = getWaterLevel() [L51] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L304] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L264] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=1] [L219] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=1] [L221] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=1] [L227] tmp = __VERIFIER_nondet_int() [L229] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=1] [L237] tmp___0 = __VERIFIER_nondet_int() [L239] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=1] [L247] tmp___2 = __VERIFIER_nondet_int() [L249] COND FALSE !(\read(tmp___2)) [L255] tmp___1 = __VERIFIER_nondet_int() [L257] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=1] [L264] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L289] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L291] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L448] COND TRUE waterLevel > 0 [L449] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L291] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L296] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L298] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L318] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L321] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L336] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L298] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L304] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L44] int tmp ; [L45] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L49] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L513] int retValue_acc ; [L516] retValue_acc = waterLevel [L517] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L49] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L49] tmp = getWaterLevel() [L51] COND TRUE tmp == 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L53] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L370] int retValue_acc ; [L373] retValue_acc = pumpRunning [L374] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L53] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L53] tmp___0 = isPumpRunning() [L55] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L57] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L540] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 122 locations, 1 error locations. UNSAFE Result, 15.8s OverallTime, 9 OverallIterations, 3 TraceHistogramMax, 10.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1033 SDtfs, 1306 SDslu, 2785 SDs, 0 SdLazy, 3231 SolverSat, 675 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 461 GetRequests, 370 SyntacticMatches, 3 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=515occurred in iteration=7, 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, 8 MinimizatonAttempts, 194 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 1120 NumberOfCodeBlocks, 1120 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 958 ConstructedInterpolants, 0 QuantifiedInterpolants, 156467 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2354 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 141/158 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...