./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec3_product33_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec3_product33_true-unreach-call_false-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5667765c016e1c72bafcc0c365d87d7652cb3eb1 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 18:45:19,429 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:45:19,432 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:45:19,444 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:45:19,445 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:45:19,446 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:45:19,447 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:45:19,450 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:45:19,451 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:45:19,452 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:45:19,453 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:45:19,453 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:45:19,455 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:45:19,455 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:45:19,460 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:45:19,461 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:45:19,461 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:45:19,463 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:45:19,466 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:45:19,467 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:45:19,468 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:45:19,470 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:45:19,472 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:45:19,472 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:45:19,472 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:45:19,473 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:45:19,474 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:45:19,475 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:45:19,476 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:45:19,477 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:45:19,477 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:45:19,478 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:45:19,478 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:45:19,478 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:45:19,479 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:45:19,480 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:45:19,481 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:45:19,498 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:45:19,498 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:45:19,499 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:45:19,499 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:45:19,500 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:45:19,500 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:45:19,500 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:45:19,500 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:45:19,501 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:45:19,501 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:45:19,501 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:45:19,501 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:45:19,501 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:45:19,501 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:45:19,503 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:45:19,504 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:45:19,504 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:45:19,504 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:45:19,504 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:45:19,504 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:45:19,504 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:45:19,505 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:45:19,507 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:45:19,507 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:45:19,507 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:45:19,508 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:45:19,508 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:45:19,508 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:45:19,508 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:45:19,508 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:45:19,508 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 -> 5667765c016e1c72bafcc0c365d87d7652cb3eb1 [2018-11-28 18:45:19,551 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:45:19,578 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:45:19,586 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:45:19,588 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:45:19,588 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:45:19,589 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec3_product33_true-unreach-call_false-termination.cil.c [2018-11-28 18:45:19,654 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22c5ad839/bc485a74939f4d43910ea6d950049c9f/FLAG581434c2b [2018-11-28 18:45:20,150 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:45:20,150 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec3_product33_true-unreach-call_false-termination.cil.c [2018-11-28 18:45:20,165 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22c5ad839/bc485a74939f4d43910ea6d950049c9f/FLAG581434c2b [2018-11-28 18:45:20,449 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22c5ad839/bc485a74939f4d43910ea6d950049c9f [2018-11-28 18:45:20,453 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:45:20,455 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:45:20,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:45:20,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:45:20,461 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:45:20,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:45:20" (1/1) ... [2018-11-28 18:45:20,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5922904b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:20, skipping insertion in model container [2018-11-28 18:45:20,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:45:20" (1/1) ... [2018-11-28 18:45:20,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:45:20,539 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:45:20,970 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:45:20,985 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:45:21,110 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:45:21,156 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:45:21,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:21 WrapperNode [2018-11-28 18:45:21,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:45:21,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:45:21,158 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:45:21,158 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:45:21,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:21" (1/1) ... [2018-11-28 18:45:21,278 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:21" (1/1) ... [2018-11-28 18:45:21,289 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:45:21,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:45:21,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:45:21,290 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:45:21,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:21" (1/1) ... [2018-11-28 18:45:21,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:21" (1/1) ... [2018-11-28 18:45:21,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:21" (1/1) ... [2018-11-28 18:45:21,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:21" (1/1) ... [2018-11-28 18:45:21,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:21" (1/1) ... [2018-11-28 18:45:21,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:21" (1/1) ... [2018-11-28 18:45:21,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:21" (1/1) ... [2018-11-28 18:45:21,383 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:45:21,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:45:21,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:45:21,386 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:45:21,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:21" (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 18:45:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:45:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:45:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:45:21,463 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:45:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:45:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:45:21,463 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:45:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:45:21,465 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:45:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 18:45:21,465 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 18:45:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:45:21,466 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:45:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:45:21,467 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:45:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 18:45:21,467 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 18:45:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 18:45:21,467 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 18:45:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 18:45:21,470 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 18:45:21,470 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:45:21,470 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:45:21,470 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:45:21,470 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:45:21,470 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:45:21,471 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:45:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:45:21,472 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:45:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:45:21,472 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:45:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:45:21,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:45:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:45:21,474 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:45:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:45:21,476 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:45:21,476 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:45:21,476 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:45:21,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:45:21,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:45:21,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:45:21,477 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:45:21,477 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:45:21,478 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-28 18:45:21,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-28 18:45:21,478 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:45:21,479 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:45:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:45:21,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:45:22,548 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:45:22,549 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:45:22,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:45:22 BoogieIcfgContainer [2018-11-28 18:45:22,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:45:22,550 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:45:22,550 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:45:22,554 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:45:22,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:45:20" (1/3) ... [2018-11-28 18:45:22,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c046dc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:45:22, skipping insertion in model container [2018-11-28 18:45:22,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:21" (2/3) ... [2018-11-28 18:45:22,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c046dc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:45:22, skipping insertion in model container [2018-11-28 18:45:22,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:45:22" (3/3) ... [2018-11-28 18:45:22,557 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product33_true-unreach-call_false-termination.cil.c [2018-11-28 18:45:22,566 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:45:22,574 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:45:22,591 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:45:22,626 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:45:22,626 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:45:22,627 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:45:22,627 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:45:22,627 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:45:22,627 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:45:22,627 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:45:22,627 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:45:22,627 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:45:22,651 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2018-11-28 18:45:22,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:45:22,664 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:22,665 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 18:45:22,669 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:22,675 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:22,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1183589027, now seen corresponding path program 1 times [2018-11-28 18:45:22,677 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:22,677 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:22,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:22,726 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:22,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:22,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:23,049 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 18:45:23,052 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:23,052 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:45:23,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:45:23,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:45:23,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:45:23,073 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 2 states. [2018-11-28 18:45:23,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:23,115 INFO L93 Difference]: Finished difference Result 222 states and 277 transitions. [2018-11-28 18:45:23,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:45:23,117 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-28 18:45:23,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:23,131 INFO L225 Difference]: With dead ends: 222 [2018-11-28 18:45:23,131 INFO L226 Difference]: Without dead ends: 111 [2018-11-28 18:45:23,136 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 18:45:23,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-11-28 18:45:23,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2018-11-28 18:45:23,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-11-28 18:45:23,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 130 transitions. [2018-11-28 18:45:23,199 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 130 transitions. Word has length 52 [2018-11-28 18:45:23,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:23,199 INFO L480 AbstractCegarLoop]: Abstraction has 111 states and 130 transitions. [2018-11-28 18:45:23,199 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:45:23,200 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 130 transitions. [2018-11-28 18:45:23,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-28 18:45:23,203 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:23,204 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:23,204 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:23,204 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:23,205 INFO L82 PathProgramCache]: Analyzing trace with hash 622384577, now seen corresponding path program 1 times [2018-11-28 18:45:23,205 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:23,205 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:23,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:23,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:23,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:23,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:23,404 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 18:45:23,404 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:23,404 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:45:23,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:45:23,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:45:23,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:45:23,408 INFO L87 Difference]: Start difference. First operand 111 states and 130 transitions. Second operand 3 states. [2018-11-28 18:45:23,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:23,456 INFO L93 Difference]: Finished difference Result 171 states and 199 transitions. [2018-11-28 18:45:23,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:45:23,457 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-28 18:45:23,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:23,461 INFO L225 Difference]: With dead ends: 171 [2018-11-28 18:45:23,463 INFO L226 Difference]: Without dead ends: 102 [2018-11-28 18:45:23,464 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 18:45:23,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-11-28 18:45:23,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2018-11-28 18:45:23,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-11-28 18:45:23,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 118 transitions. [2018-11-28 18:45:23,483 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 118 transitions. Word has length 53 [2018-11-28 18:45:23,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:23,484 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 118 transitions. [2018-11-28 18:45:23,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:45:23,484 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 118 transitions. [2018-11-28 18:45:23,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 18:45:23,486 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:23,487 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] [2018-11-28 18:45:23,487 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:23,487 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:23,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1040742557, now seen corresponding path program 1 times [2018-11-28 18:45:23,488 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:23,488 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:23,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:23,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:23,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:23,843 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 18:45:23,843 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:23,844 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:45:23,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:45:23,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:45:23,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:45:23,845 INFO L87 Difference]: Start difference. First operand 102 states and 118 transitions. Second operand 7 states. [2018-11-28 18:45:24,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:24,737 INFO L93 Difference]: Finished difference Result 180 states and 213 transitions. [2018-11-28 18:45:24,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:45:24,737 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-28 18:45:24,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:24,739 INFO L225 Difference]: With dead ends: 180 [2018-11-28 18:45:24,740 INFO L226 Difference]: Without dead ends: 102 [2018-11-28 18:45:24,742 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:45:24,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-11-28 18:45:24,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2018-11-28 18:45:24,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-11-28 18:45:24,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 117 transitions. [2018-11-28 18:45:24,756 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 117 transitions. Word has length 57 [2018-11-28 18:45:24,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:24,757 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 117 transitions. [2018-11-28 18:45:24,757 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:45:24,757 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 117 transitions. [2018-11-28 18:45:24,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-28 18:45:24,760 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:24,760 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:24,760 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:24,760 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:24,760 INFO L82 PathProgramCache]: Analyzing trace with hash 781721036, now seen corresponding path program 1 times [2018-11-28 18:45:24,761 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:24,761 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:24,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:24,762 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:24,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:24,929 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 18:45:24,929 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:24,929 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 18:45:24,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 18:45:24,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 18:45:24,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:45:24,932 INFO L87 Difference]: Start difference. First operand 102 states and 117 transitions. Second operand 5 states. [2018-11-28 18:45:26,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:26,208 INFO L93 Difference]: Finished difference Result 275 states and 331 transitions. [2018-11-28 18:45:26,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:45:26,209 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-11-28 18:45:26,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:26,213 INFO L225 Difference]: With dead ends: 275 [2018-11-28 18:45:26,213 INFO L226 Difference]: Without dead ends: 197 [2018-11-28 18:45:26,215 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 18:45:26,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2018-11-28 18:45:26,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 179. [2018-11-28 18:45:26,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-11-28 18:45:26,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 206 transitions. [2018-11-28 18:45:26,245 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 206 transitions. Word has length 65 [2018-11-28 18:45:26,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:26,246 INFO L480 AbstractCegarLoop]: Abstraction has 179 states and 206 transitions. [2018-11-28 18:45:26,246 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 18:45:26,246 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 206 transitions. [2018-11-28 18:45:26,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-28 18:45:26,250 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:26,251 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:26,251 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:26,251 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:26,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1221073692, now seen corresponding path program 1 times [2018-11-28 18:45:26,252 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:26,252 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:26,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:26,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:26,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:26,429 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 18:45:26,429 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:26,429 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:45:26,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:45:26,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:45:26,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:45:26,431 INFO L87 Difference]: Start difference. First operand 179 states and 206 transitions. Second operand 6 states. [2018-11-28 18:45:26,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:26,872 INFO L93 Difference]: Finished difference Result 439 states and 534 transitions. [2018-11-28 18:45:26,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:45:26,873 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2018-11-28 18:45:26,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:26,877 INFO L225 Difference]: With dead ends: 439 [2018-11-28 18:45:26,878 INFO L226 Difference]: Without dead ends: 284 [2018-11-28 18:45:26,880 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:45:26,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2018-11-28 18:45:26,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 280. [2018-11-28 18:45:26,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2018-11-28 18:45:26,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 328 transitions. [2018-11-28 18:45:26,916 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 328 transitions. Word has length 79 [2018-11-28 18:45:26,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:26,916 INFO L480 AbstractCegarLoop]: Abstraction has 280 states and 328 transitions. [2018-11-28 18:45:26,917 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:45:26,917 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 328 transitions. [2018-11-28 18:45:26,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-28 18:45:26,923 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:26,923 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:26,923 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:26,923 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:26,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1732092138, now seen corresponding path program 1 times [2018-11-28 18:45:26,925 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:26,925 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:26,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:26,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:26,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:27,157 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 18:45:27,158 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:27,158 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:45:27,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:45:27,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:45:27,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:45:27,160 INFO L87 Difference]: Start difference. First operand 280 states and 328 transitions. Second operand 6 states. [2018-11-28 18:45:27,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:27,636 INFO L93 Difference]: Finished difference Result 585 states and 712 transitions. [2018-11-28 18:45:27,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:45:27,639 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-11-28 18:45:27,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:27,645 INFO L225 Difference]: With dead ends: 585 [2018-11-28 18:45:27,645 INFO L226 Difference]: Without dead ends: 430 [2018-11-28 18:45:27,646 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:45:27,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2018-11-28 18:45:27,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 412. [2018-11-28 18:45:27,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2018-11-28 18:45:27,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 493 transitions. [2018-11-28 18:45:27,709 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 493 transitions. Word has length 83 [2018-11-28 18:45:27,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:27,709 INFO L480 AbstractCegarLoop]: Abstraction has 412 states and 493 transitions. [2018-11-28 18:45:27,709 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:45:27,709 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 493 transitions. [2018-11-28 18:45:27,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-28 18:45:27,714 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:27,714 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:27,714 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:27,714 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:27,714 INFO L82 PathProgramCache]: Analyzing trace with hash 2061857899, now seen corresponding path program 1 times [2018-11-28 18:45:27,714 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:27,715 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:27,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:27,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:27,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:27,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:27,870 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 18:45:27,870 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:27,870 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 18:45:27,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 18:45:27,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 18:45:27,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:45:27,872 INFO L87 Difference]: Start difference. First operand 412 states and 493 transitions. Second operand 5 states. [2018-11-28 18:45:28,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:28,063 INFO L93 Difference]: Finished difference Result 709 states and 866 transitions. [2018-11-28 18:45:28,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 18:45:28,065 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2018-11-28 18:45:28,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:28,070 INFO L225 Difference]: With dead ends: 709 [2018-11-28 18:45:28,070 INFO L226 Difference]: Without dead ends: 422 [2018-11-28 18:45:28,072 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:45:28,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2018-11-28 18:45:28,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 416. [2018-11-28 18:45:28,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2018-11-28 18:45:28,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 496 transitions. [2018-11-28 18:45:28,123 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 496 transitions. Word has length 83 [2018-11-28 18:45:28,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:28,123 INFO L480 AbstractCegarLoop]: Abstraction has 416 states and 496 transitions. [2018-11-28 18:45:28,123 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 18:45:28,124 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 496 transitions. [2018-11-28 18:45:28,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-28 18:45:28,129 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:28,129 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:28,129 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:28,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:28,130 INFO L82 PathProgramCache]: Analyzing trace with hash 1989471341, now seen corresponding path program 1 times [2018-11-28 18:45:28,130 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:28,130 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:28,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:28,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:28,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:28,601 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 18:45:28,602 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:28,602 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 18:45:28,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 18:45:28,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 18:45:28,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:45:28,603 INFO L87 Difference]: Start difference. First operand 416 states and 496 transitions. Second operand 9 states. [2018-11-28 18:45:28,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:28,734 INFO L93 Difference]: Finished difference Result 789 states and 960 transitions. [2018-11-28 18:45:28,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 18:45:28,738 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2018-11-28 18:45:28,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:28,742 INFO L225 Difference]: With dead ends: 789 [2018-11-28 18:45:28,742 INFO L226 Difference]: Without dead ends: 397 [2018-11-28 18:45:28,744 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:45:28,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2018-11-28 18:45:28,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 391. [2018-11-28 18:45:28,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2018-11-28 18:45:28,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 464 transitions. [2018-11-28 18:45:28,789 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 464 transitions. Word has length 83 [2018-11-28 18:45:28,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:28,792 INFO L480 AbstractCegarLoop]: Abstraction has 391 states and 464 transitions. [2018-11-28 18:45:28,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 18:45:28,792 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 464 transitions. [2018-11-28 18:45:28,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-28 18:45:28,794 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:28,794 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:28,798 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:28,798 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:28,798 INFO L82 PathProgramCache]: Analyzing trace with hash -689989085, now seen corresponding path program 1 times [2018-11-28 18:45:28,798 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:28,798 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:28,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:28,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:28,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:29,316 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 18:45:29,316 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:29,316 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 18:45:29,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 18:45:29,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 18:45:29,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:45:29,317 INFO L87 Difference]: Start difference. First operand 391 states and 464 transitions. Second operand 10 states. [2018-11-28 18:45:30,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:30,332 INFO L93 Difference]: Finished difference Result 759 states and 906 transitions. [2018-11-28 18:45:30,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 18:45:30,333 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2018-11-28 18:45:30,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:30,334 INFO L225 Difference]: With dead ends: 759 [2018-11-28 18:45:30,334 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:45:30,337 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:45:30,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:45:30,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:45:30,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:45:30,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:45:30,338 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 84 [2018-11-28 18:45:30,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:30,339 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:45:30,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 18:45:30,340 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:45:30,341 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:45:30,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:45:31,261 WARN L180 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 16 [2018-11-28 18:45:32,108 WARN L180 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2018-11-28 18:45:32,378 WARN L180 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2018-11-28 18:45:32,893 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 24 [2018-11-28 18:45:33,426 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 28 [2018-11-28 18:45:33,735 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 23 [2018-11-28 18:45:33,741 INFO L444 ceAbstractionStarter]: At program point L736(line 736) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and (not (= ~waterLevel~0 2)) (= 0 ~pumpRunning~0))) (or (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 18:45:33,741 INFO L444 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (and (let ((.cse0 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= processEnvironment_~tmp~5 1) .cse0) .cse1 (and (not (= ~waterLevel~0 2)) .cse0))) (or (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-11-28 18:45:33,741 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 738) no Hoare annotation was computed. [2018-11-28 18:45:33,741 INFO L444 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2018-11-28 18:45:33,741 INFO L448 ceAbstractionStarter]: For program point L728-1(line 728) no Hoare annotation was computed. [2018-11-28 18:45:33,741 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 722 746) no Hoare annotation was computed. [2018-11-28 18:45:33,742 INFO L448 ceAbstractionStarter]: For program point L726(lines 726 743) no Hoare annotation was computed. [2018-11-28 18:45:33,742 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 722 746) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0) (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2018-11-28 18:45:33,742 INFO L444 ceAbstractionStarter]: At program point L741(line 741) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2018-11-28 18:45:33,742 INFO L448 ceAbstractionStarter]: For program point L741-1(lines 722 746) no Hoare annotation was computed. [2018-11-28 18:45:33,742 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2018-11-28 18:45:33,742 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2018-11-28 18:45:33,742 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2018-11-28 18:45:33,742 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2018-11-28 18:45:33,743 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 891 897) the Hoare annotation is: true [2018-11-28 18:45:33,743 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 891 897) no Hoare annotation was computed. [2018-11-28 18:45:33,743 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 714 720) no Hoare annotation was computed. [2018-11-28 18:45:33,743 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 714 720) the Hoare annotation is: true [2018-11-28 18:45:33,743 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 898 906) no Hoare annotation was computed. [2018-11-28 18:45:33,743 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 898 906) the Hoare annotation is: true [2018-11-28 18:45:33,743 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 898 906) no Hoare annotation was computed. [2018-11-28 18:45:33,743 INFO L444 ceAbstractionStarter]: At program point L640(line 640) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~waterLevel~0 2)) (= 0 ~pumpRunning~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 1) .cse0))) [2018-11-28 18:45:33,744 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 618 681) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:45:33,744 INFO L444 ceAbstractionStarter]: At program point L671(lines 628 673) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~waterLevel~0 2)) (= 0 ~pumpRunning~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 1) .cse0))) [2018-11-28 18:45:33,744 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 644) no Hoare annotation was computed. [2018-11-28 18:45:33,744 INFO L448 ceAbstractionStarter]: For program point L638-1(lines 638 644) no Hoare annotation was computed. [2018-11-28 18:45:33,744 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 618 681) no Hoare annotation was computed. [2018-11-28 18:45:33,744 INFO L448 ceAbstractionStarter]: For program point L630(lines 630 634) no Hoare annotation was computed. [2018-11-28 18:45:33,744 INFO L444 ceAbstractionStarter]: At program point L674(lines 627 675) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:45:33,744 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 668) no Hoare annotation was computed. [2018-11-28 18:45:33,745 INFO L444 ceAbstractionStarter]: At program point L664-2(lines 658 669) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 1) .cse0) (and (= 0 ~pumpRunning~0) .cse0))) [2018-11-28 18:45:33,745 INFO L448 ceAbstractionStarter]: For program point L629(lines 628 673) no Hoare annotation was computed. [2018-11-28 18:45:33,745 INFO L448 ceAbstractionStarter]: For program point L658(lines 658 669) no Hoare annotation was computed. [2018-11-28 18:45:33,745 INFO L444 ceAbstractionStarter]: At program point L650(line 650) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 1) .cse0) (and (= 0 ~pumpRunning~0) .cse0))) [2018-11-28 18:45:33,745 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 654) no Hoare annotation was computed. [2018-11-28 18:45:33,745 INFO L448 ceAbstractionStarter]: For program point L648-1(lines 648 654) no Hoare annotation was computed. [2018-11-28 18:45:33,745 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 618 681) no Hoare annotation was computed. [2018-11-28 18:45:33,746 INFO L444 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:45:33,746 INFO L444 ceAbstractionStarter]: At program point L225-1(line 225) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:45:33,746 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 219 241) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:45:33,746 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 219 241) no Hoare annotation was computed. [2018-11-28 18:45:33,746 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 219 241) no Hoare annotation was computed. [2018-11-28 18:45:33,746 INFO L444 ceAbstractionStarter]: At program point L231(line 231) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 1) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:45:33,746 INFO L444 ceAbstractionStarter]: At program point L231-1(line 231) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 1) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:45:33,747 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 236) no Hoare annotation was computed. [2018-11-28 18:45:33,750 INFO L448 ceAbstractionStarter]: For program point L229-1(lines 229 236) no Hoare annotation was computed. [2018-11-28 18:45:33,750 INFO L448 ceAbstractionStarter]: For program point L227(line 227) no Hoare annotation was computed. [2018-11-28 18:45:33,750 INFO L444 ceAbstractionStarter]: At program point L226(line 226) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:45:33,750 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 774 782) no Hoare annotation was computed. [2018-11-28 18:45:33,750 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 774 782) the Hoare annotation is: true [2018-11-28 18:45:33,750 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 774 782) no Hoare annotation was computed. [2018-11-28 18:45:33,750 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:45:33,751 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-11-28 18:45:33,751 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:45:33,751 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 747 754) no Hoare annotation was computed. [2018-11-28 18:45:33,751 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 747 754) no Hoare annotation was computed. [2018-11-28 18:45:33,751 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 747 754) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-28 18:45:33,751 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 819 837) no Hoare annotation was computed. [2018-11-28 18:45:33,751 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 832) no Hoare annotation was computed. [2018-11-28 18:45:33,751 INFO L451 ceAbstractionStarter]: At program point L826(line 826) the Hoare annotation is: true [2018-11-28 18:45:33,752 INFO L448 ceAbstractionStarter]: For program point L828-2(lines 828 832) no Hoare annotation was computed. [2018-11-28 18:45:33,752 INFO L448 ceAbstractionStarter]: For program point L826-1(line 826) no Hoare annotation was computed. [2018-11-28 18:45:33,752 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 819 837) the Hoare annotation is: true [2018-11-28 18:45:33,752 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 819 837) no Hoare annotation was computed. [2018-11-28 18:45:33,752 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2018-11-28 18:45:33,752 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2018-11-28 18:45:33,752 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2018-11-28 18:45:33,752 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-11-28 18:45:33,752 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2018-11-28 18:45:33,753 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-11-28 18:45:33,753 INFO L444 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= 1 ~waterLevel~0) .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (= 0 ~pumpRunning~0) .cse1) (or (not (= 1 |old(~pumpRunning~0)|)) .cse1 (= ~pumpRunning~0 1)) (or (= |old(~waterLevel~0)| 2) .cse0 .cse1 (not (= ~waterLevel~0 2))))) [2018-11-28 18:45:33,753 INFO L444 ceAbstractionStarter]: At program point L701(lines 701 707) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 2))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 .cse2 (and .cse3 (= 0 ~pumpRunning~0))) (or (= |old(~waterLevel~0)| 2) .cse0 .cse3 .cse2) (or .cse0 (= 1 ~waterLevel~0) .cse2 (not (= |old(~waterLevel~0)| 1))) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1))) [2018-11-28 18:45:33,753 INFO L444 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: (let ((.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse1 .cse0 (= ~pumpRunning~0 1)) (or .cse1 .cse0 (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)))) [2018-11-28 18:45:33,753 INFO L448 ceAbstractionStarter]: For program point L694(lines 693 712) no Hoare annotation was computed. [2018-11-28 18:45:33,753 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 690 713) the Hoare annotation is: (let ((.cse5 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (= |old(~waterLevel~0)| 2)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 .cse6) (or .cse5 .cse2 .cse3 .cse6) (or .cse4 (= 0 ~pumpRunning~0) .cse3) (or .cse2 .cse3 (= ~pumpRunning~0 1)) (or .cse0 .cse4 .cse3 .cse1))) [2018-11-28 18:45:33,754 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 690 713) no Hoare annotation was computed. [2018-11-28 18:45:33,756 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 690 713) no Hoare annotation was computed. [2018-11-28 18:45:33,756 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 143 172) no Hoare annotation was computed. [2018-11-28 18:45:33,756 INFO L448 ceAbstractionStarter]: For program point L157(lines 157 161) no Hoare annotation was computed. [2018-11-28 18:45:33,756 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 143 172) the Hoare annotation is: true [2018-11-28 18:45:33,757 INFO L451 ceAbstractionStarter]: At program point L157-1(lines 157 161) the Hoare annotation is: true [2018-11-28 18:45:33,757 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-28 18:45:33,757 INFO L451 ceAbstractionStarter]: At program point L153-2(lines 153 167) the Hoare annotation is: true [2018-11-28 18:45:33,757 INFO L451 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: true [2018-11-28 18:45:33,757 INFO L448 ceAbstractionStarter]: For program point L149-1(line 149) no Hoare annotation was computed. [2018-11-28 18:45:33,757 INFO L451 ceAbstractionStarter]: At program point L168(lines 143 172) the Hoare annotation is: true [2018-11-28 18:45:33,757 INFO L448 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2018-11-28 18:45:33,757 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-11-28 18:45:33,757 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-11-28 18:45:33,758 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-11-28 18:45:33,758 INFO L444 ceAbstractionStarter]: At program point L862(line 862) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~waterLevel~0 2) (not (= 0 ~pumpRunning~0)) .cse0) (or (not (= 1 ~pumpRunning~0)) .cse0))) [2018-11-28 18:45:33,758 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 839 871) no Hoare annotation was computed. [2018-11-28 18:45:33,758 INFO L448 ceAbstractionStarter]: For program point L858(lines 858 864) no Hoare annotation was computed. [2018-11-28 18:45:33,758 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 839 871) the Hoare annotation is: true [2018-11-28 18:45:33,758 INFO L444 ceAbstractionStarter]: At program point L856(line 856) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 2)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1))) [2018-11-28 18:45:33,758 INFO L448 ceAbstractionStarter]: For program point L856-1(line 856) no Hoare annotation was computed. [2018-11-28 18:45:33,758 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 867) no Hoare annotation was computed. [2018-11-28 18:45:33,759 INFO L448 ceAbstractionStarter]: For program point L854-1(lines 839 871) no Hoare annotation was computed. [2018-11-28 18:45:33,763 INFO L451 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: true [2018-11-28 18:45:33,763 INFO L448 ceAbstractionStarter]: For program point L852-1(line 852) no Hoare annotation was computed. [2018-11-28 18:45:33,763 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 868) no Hoare annotation was computed. [2018-11-28 18:45:33,763 INFO L451 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: true [2018-11-28 18:45:33,763 INFO L448 ceAbstractionStarter]: For program point L846-1(line 846) no Hoare annotation was computed. [2018-11-28 18:45:33,763 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (or (not (= 1 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:45:33,764 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-11-28 18:45:33,764 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-11-28 18:45:33,764 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 884 890) no Hoare annotation was computed. [2018-11-28 18:45:33,764 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 884 890) the Hoare annotation is: true [2018-11-28 18:45:33,764 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 198 204) no Hoare annotation was computed. [2018-11-28 18:45:33,764 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 198 204) the Hoare annotation is: true [2018-11-28 18:45:33,764 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:45:33,764 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-11-28 18:45:33,764 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:45:33,764 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:45:33,765 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-11-28 18:45:33,765 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-11-28 18:45:33,765 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 1 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (= |old(~waterLevel~0)| 2)) (.cse5 (not (= ~waterLevel~0 2))) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2 .cse5) (or .cse1 .cse6 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2))) [2018-11-28 18:45:33,765 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 609 616) no Hoare annotation was computed. [2018-11-28 18:45:33,765 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 609 616) the Hoare annotation is: true [2018-11-28 18:45:33,765 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 609 616) no Hoare annotation was computed. [2018-11-28 18:45:33,765 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 613) no Hoare annotation was computed. [2018-11-28 18:45:33,766 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 206 215) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:45:33,768 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 206 215) no Hoare annotation was computed. [2018-11-28 18:45:33,768 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 206 215) no Hoare annotation was computed. [2018-11-28 18:45:33,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:45:33 BoogieIcfgContainer [2018-11-28 18:45:33,791 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:45:33,792 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:45:33,793 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:45:33,793 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:45:33,793 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:45:22" (3/4) ... [2018-11-28 18:45:33,801 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:45:33,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:45:33,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 18:45:33,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:45:33,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:45:33,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:45:33,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:45:33,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:45:33,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:45:33,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:45:33,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 18:45:33,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 18:45:33,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 18:45:33,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:45:33,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:45:33,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:45:33,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:45:33,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-28 18:45:33,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:45:33,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:45:33,813 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:45:33,813 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:45:33,813 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:45:33,813 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:45:33,826 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-28 18:45:33,828 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 18:45:33,828 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-28 18:45:33,828 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:45:33,830 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:45:33,830 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:45:33,864 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || ((!(waterLevel == 2) && 0 == pumpRunning) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || (pumpRunning == 1 && splverifierCounter == 0) [2018-11-28 18:45:33,865 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-28 18:45:33,947 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:45:33,948 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:45:33,948 INFO L168 Benchmark]: Toolchain (without parser) took 13494.71 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 263.7 MB). Free memory was 952.7 MB in the beginning and 1.2 GB in the end (delta: -220.4 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:33,952 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:45:33,953 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.13 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 925.9 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:33,953 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -191.7 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:33,953 INFO L168 Benchmark]: Boogie Preprocessor took 94.87 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 18:45:33,954 INFO L168 Benchmark]: RCFGBuilder took 1164.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.2 MB). Peak memory consumption was 44.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:33,954 INFO L168 Benchmark]: TraceAbstraction took 11241.09 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 134.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -111.7 MB). Peak memory consumption was 339.9 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:33,954 INFO L168 Benchmark]: Witness Printer took 155.21 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:33,962 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 701.13 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 925.9 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 131.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -191.7 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 94.87 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 1164.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.2 MB). Peak memory consumption was 44.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11241.09 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 134.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -111.7 MB). Peak memory consumption was 339.9 MB. Max. memory is 11.5 GB. * Witness Printer took 155.21 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 613]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((!(waterLevel == 2) && 0 == pumpRunning) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || (pumpRunning == 1 && splverifierCounter == 0) - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 124 locations, 1 error locations. SAFE Result, 11.1s OverallTime, 9 OverallIterations, 1 TraceHistogramMax, 4.6s AutomataDifference, 0.0s DeadEndRemovalTime, 3.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1160 SDtfs, 530 SDslu, 3585 SDs, 0 SdLazy, 608 SolverSat, 123 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=416occurred 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: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 52 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 758 PreInvPairs, 808 NumberOfFragments, 849 HoareAnnotationTreeSize, 758 FomulaSimplifications, 519 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 51 FomulaSimplificationsInter, 3043 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 639 NumberOfCodeBlocks, 639 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 630 ConstructedInterpolants, 0 QuantifiedInterpolants, 71569 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...