./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec5_product34_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_spec5_product34_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 ae55322c9e2147e3768d03287d4758f350a7d088 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 18:47:59,484 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:47:59,486 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:47:59,498 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:47:59,498 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:47:59,499 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:47:59,501 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:47:59,503 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:47:59,505 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:47:59,506 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:47:59,507 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:47:59,507 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:47:59,508 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:47:59,513 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:47:59,518 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:47:59,519 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:47:59,520 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:47:59,521 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:47:59,524 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:47:59,525 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:47:59,527 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:47:59,528 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:47:59,531 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:47:59,531 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:47:59,531 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:47:59,532 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:47:59,533 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:47:59,534 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:47:59,535 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:47:59,536 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:47:59,536 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:47:59,537 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:47:59,537 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:47:59,538 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:47:59,539 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:47:59,540 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:47:59,540 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:47:59,556 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:47:59,556 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:47:59,557 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:47:59,557 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:47:59,558 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:47:59,558 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:47:59,559 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:47:59,559 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:47:59,559 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:47:59,559 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:47:59,560 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:47:59,560 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:47:59,560 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:47:59,560 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:47:59,560 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:47:59,561 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:47:59,562 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:47:59,562 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:47:59,562 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:47:59,562 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:47:59,563 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:47:59,563 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:47:59,563 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:47:59,563 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:47:59,563 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:47:59,565 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:47:59,565 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:47:59,565 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:47:59,565 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:47:59,566 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:47:59,566 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 -> ae55322c9e2147e3768d03287d4758f350a7d088 [2018-11-28 18:47:59,635 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:47:59,654 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:47:59,659 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:47:59,660 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:47:59,661 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:47:59,662 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec5_product34_true-unreach-call_false-termination.cil.c [2018-11-28 18:47:59,718 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb781cc9e/a7d0eb279e5f4d3794f528720a868bb9/FLAG3e83c8641 [2018-11-28 18:48:00,238 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:48:00,239 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec5_product34_true-unreach-call_false-termination.cil.c [2018-11-28 18:48:00,256 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb781cc9e/a7d0eb279e5f4d3794f528720a868bb9/FLAG3e83c8641 [2018-11-28 18:48:00,531 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb781cc9e/a7d0eb279e5f4d3794f528720a868bb9 [2018-11-28 18:48:00,535 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:48:00,537 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:48:00,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:48:00,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:48:00,544 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:48:00,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:48:00" (1/1) ... [2018-11-28 18:48:00,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4874b7fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:48:00, skipping insertion in model container [2018-11-28 18:48:00,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:48:00" (1/1) ... [2018-11-28 18:48:00,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:48:00,631 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:48:01,069 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:48:01,095 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:48:01,218 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:48:01,340 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:48:01,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:48:01 WrapperNode [2018-11-28 18:48:01,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:48:01,342 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:48:01,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:48:01,342 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:48:01,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:48:01" (1/1) ... [2018-11-28 18:48:01,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:48:01" (1/1) ... [2018-11-28 18:48:01,391 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:48:01,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:48:01,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:48:01,391 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:48:01,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:48:01" (1/1) ... [2018-11-28 18:48:01,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:48:01" (1/1) ... [2018-11-28 18:48:01,405 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:48:01" (1/1) ... [2018-11-28 18:48:01,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:48:01" (1/1) ... [2018-11-28 18:48:01,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:48:01" (1/1) ... [2018-11-28 18:48:01,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:48:01" (1/1) ... [2018-11-28 18:48:01,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:48:01" (1/1) ... [2018-11-28 18:48:01,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:48:01,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:48:01,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:48:01,459 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:48:01,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:48:01" (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 18:48:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:48:01,520 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:48:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:48:01,520 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:48:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:48:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:48:01,521 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:48:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:48:01,522 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:48:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 18:48:01,522 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 18:48:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:48:01,523 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:48:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:48:01,524 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:48:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 18:48:01,524 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 18:48:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 18:48:01,525 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 18:48:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 18:48:01,525 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 18:48:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:48:01,525 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:48:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:48:01,527 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:48:01,527 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:48:01,527 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:48:01,527 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 18:48:01,527 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 18:48:01,527 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:48:01,528 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:48:01,528 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:48:01,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:48:01,529 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:48:01,529 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:48:01,529 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-28 18:48:01,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-28 18:48:01,530 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-28 18:48:01,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-28 18:48:01,530 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-28 18:48:01,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-28 18:48:01,530 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:48:01,530 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:48:01,531 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:48:01,532 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:48:01,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:48:01,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:48:01,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:48:01,532 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:48:01,533 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:48:01,533 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:48:01,533 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:48:01,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:48:01,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:48:02,650 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:48:02,651 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:48:02,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:48:02 BoogieIcfgContainer [2018-11-28 18:48:02,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:48:02,652 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:48:02,652 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:48:02,656 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:48:02,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:48:00" (1/3) ... [2018-11-28 18:48:02,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a1b1ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:48:02, skipping insertion in model container [2018-11-28 18:48:02,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:48:01" (2/3) ... [2018-11-28 18:48:02,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a1b1ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:48:02, skipping insertion in model container [2018-11-28 18:48:02,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:48:02" (3/3) ... [2018-11-28 18:48:02,661 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product34_true-unreach-call_false-termination.cil.c [2018-11-28 18:48:02,672 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:48:02,683 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:48:02,703 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:48:02,741 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:48:02,742 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:48:02,742 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:48:02,742 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:48:02,742 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:48:02,743 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:48:02,743 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:48:02,743 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:48:02,743 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:48:02,767 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states. [2018-11-28 18:48:02,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-28 18:48:02,777 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:48:02,778 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:48:02,781 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:48:02,787 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:48:02,787 INFO L82 PathProgramCache]: Analyzing trace with hash -1718432937, now seen corresponding path program 1 times [2018-11-28 18:48:02,789 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:48:02,790 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:48:02,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:02,845 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:48:02,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:03,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:48:03,166 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:48:03,168 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:48:03,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:48:03,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:48:03,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:48:03,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:48:03,189 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 2 states. [2018-11-28 18:48:03,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:48:03,234 INFO L93 Difference]: Finished difference Result 234 states and 291 transitions. [2018-11-28 18:48:03,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:48:03,236 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-28 18:48:03,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:48:03,255 INFO L225 Difference]: With dead ends: 234 [2018-11-28 18:48:03,256 INFO L226 Difference]: Without dead ends: 119 [2018-11-28 18:48:03,265 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 18:48:03,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-11-28 18:48:03,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-11-28 18:48:03,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-11-28 18:48:03,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2018-11-28 18:48:03,350 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 59 [2018-11-28 18:48:03,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:48:03,351 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2018-11-28 18:48:03,351 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:48:03,351 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2018-11-28 18:48:03,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-28 18:48:03,356 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:48:03,356 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:48:03,357 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:48:03,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:48:03,358 INFO L82 PathProgramCache]: Analyzing trace with hash 1557942145, now seen corresponding path program 1 times [2018-11-28 18:48:03,358 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:48:03,358 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:48:03,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:03,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:48:03,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:48:03,561 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:48:03,563 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:48:03,564 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:48:03,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:48:03,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:48:03,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:48:03,569 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 3 states. [2018-11-28 18:48:03,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:48:03,611 INFO L93 Difference]: Finished difference Result 179 states and 209 transitions. [2018-11-28 18:48:03,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:48:03,613 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-11-28 18:48:03,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:48:03,615 INFO L225 Difference]: With dead ends: 179 [2018-11-28 18:48:03,615 INFO L226 Difference]: Without dead ends: 110 [2018-11-28 18:48:03,617 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 18:48:03,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-11-28 18:48:03,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-11-28 18:48:03,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-11-28 18:48:03,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 127 transitions. [2018-11-28 18:48:03,642 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 127 transitions. Word has length 60 [2018-11-28 18:48:03,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:48:03,643 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 127 transitions. [2018-11-28 18:48:03,643 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:48:03,643 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 127 transitions. [2018-11-28 18:48:03,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-28 18:48:03,648 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:48:03,648 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:48:03,649 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:48:03,649 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:48:03,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1475085865, now seen corresponding path program 1 times [2018-11-28 18:48:03,649 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:48:03,649 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:48:03,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:03,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:48:03,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:48:03,930 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:48:03,930 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:48:03,931 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:48:03,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:48:03,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:48:03,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:48:03,932 INFO L87 Difference]: Start difference. First operand 110 states and 127 transitions. Second operand 7 states. [2018-11-28 18:48:04,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:48:04,624 INFO L93 Difference]: Finished difference Result 192 states and 227 transitions. [2018-11-28 18:48:04,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:48:04,626 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-11-28 18:48:04,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:48:04,631 INFO L225 Difference]: With dead ends: 192 [2018-11-28 18:48:04,632 INFO L226 Difference]: Without dead ends: 110 [2018-11-28 18:48:04,635 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:48:04,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-11-28 18:48:04,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-11-28 18:48:04,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-11-28 18:48:04,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 126 transitions. [2018-11-28 18:48:04,672 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 126 transitions. Word has length 65 [2018-11-28 18:48:04,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:48:04,677 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 126 transitions. [2018-11-28 18:48:04,677 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:48:04,677 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 126 transitions. [2018-11-28 18:48:04,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-28 18:48:04,687 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:48:04,687 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:48:04,687 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:48:04,688 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:48:04,688 INFO L82 PathProgramCache]: Analyzing trace with hash -2137786116, now seen corresponding path program 1 times [2018-11-28 18:48:04,688 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:48:04,688 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:48:04,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:04,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:48:04,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:48:05,008 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:48:05,009 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:48:05,009 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 18:48:05,010 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 18:48:05,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 18:48:05,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:48:05,010 INFO L87 Difference]: Start difference. First operand 110 states and 126 transitions. Second operand 5 states. [2018-11-28 18:48:06,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:48:06,297 INFO L93 Difference]: Finished difference Result 287 states and 347 transitions. [2018-11-28 18:48:06,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:48:06,298 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2018-11-28 18:48:06,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:48:06,301 INFO L225 Difference]: With dead ends: 287 [2018-11-28 18:48:06,301 INFO L226 Difference]: Without dead ends: 205 [2018-11-28 18:48:06,303 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:48:06,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2018-11-28 18:48:06,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 186. [2018-11-28 18:48:06,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2018-11-28 18:48:06,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 215 transitions. [2018-11-28 18:48:06,336 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 215 transitions. Word has length 73 [2018-11-28 18:48:06,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:48:06,337 INFO L480 AbstractCegarLoop]: Abstraction has 186 states and 215 transitions. [2018-11-28 18:48:06,338 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 18:48:06,338 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 215 transitions. [2018-11-28 18:48:06,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-28 18:48:06,340 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:48:06,341 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:48:06,341 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:48:06,342 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:48:06,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1021187037, now seen corresponding path program 1 times [2018-11-28 18:48:06,342 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:48:06,342 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:48:06,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:06,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:48:06,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:48:06,547 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 18:48:06,547 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:48:06,547 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:48:06,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:48:06,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:48:06,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:48:06,548 INFO L87 Difference]: Start difference. First operand 186 states and 215 transitions. Second operand 7 states. [2018-11-28 18:48:07,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:48:07,475 INFO L93 Difference]: Finished difference Result 362 states and 432 transitions. [2018-11-28 18:48:07,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 18:48:07,477 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2018-11-28 18:48:07,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:48:07,480 INFO L225 Difference]: With dead ends: 362 [2018-11-28 18:48:07,481 INFO L226 Difference]: Without dead ends: 204 [2018-11-28 18:48:07,483 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:48:07,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-11-28 18:48:07,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 185. [2018-11-28 18:48:07,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-11-28 18:48:07,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 212 transitions. [2018-11-28 18:48:07,505 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 212 transitions. Word has length 87 [2018-11-28 18:48:07,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:48:07,506 INFO L480 AbstractCegarLoop]: Abstraction has 185 states and 212 transitions. [2018-11-28 18:48:07,506 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:48:07,506 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 212 transitions. [2018-11-28 18:48:07,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-28 18:48:07,509 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:48:07,510 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:48:07,510 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:48:07,510 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:48:07,510 INFO L82 PathProgramCache]: Analyzing trace with hash -433776398, now seen corresponding path program 1 times [2018-11-28 18:48:07,510 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:48:07,510 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:48:07,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:07,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:48:07,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:07,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:48:07,716 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:48:07,717 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:48:07,717 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:48:07,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:48:07,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:48:07,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:48:07,718 INFO L87 Difference]: Start difference. First operand 185 states and 212 transitions. Second operand 6 states. [2018-11-28 18:48:07,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:48:07,762 INFO L93 Difference]: Finished difference Result 347 states and 405 transitions. [2018-11-28 18:48:07,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:48:07,766 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-11-28 18:48:07,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:48:07,769 INFO L225 Difference]: With dead ends: 347 [2018-11-28 18:48:07,769 INFO L226 Difference]: Without dead ends: 190 [2018-11-28 18:48:07,770 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:48:07,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2018-11-28 18:48:07,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2018-11-28 18:48:07,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2018-11-28 18:48:07,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 217 transitions. [2018-11-28 18:48:07,791 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 217 transitions. Word has length 88 [2018-11-28 18:48:07,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:48:07,793 INFO L480 AbstractCegarLoop]: Abstraction has 190 states and 217 transitions. [2018-11-28 18:48:07,794 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:48:07,794 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 217 transitions. [2018-11-28 18:48:07,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-28 18:48:07,796 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:48:07,796 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:48:07,796 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:48:07,796 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:48:07,797 INFO L82 PathProgramCache]: Analyzing trace with hash 952426996, now seen corresponding path program 1 times [2018-11-28 18:48:07,797 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:48:07,797 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:48:07,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:07,799 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:48:07,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:48:08,065 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:48:08,065 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:48:08,066 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 18:48:08,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 18:48:08,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 18:48:08,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:48:08,067 INFO L87 Difference]: Start difference. First operand 190 states and 217 transitions. Second operand 8 states. [2018-11-28 18:48:08,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:48:08,103 INFO L93 Difference]: Finished difference Result 359 states and 421 transitions. [2018-11-28 18:48:08,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:48:08,105 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2018-11-28 18:48:08,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:48:08,107 INFO L225 Difference]: With dead ends: 359 [2018-11-28 18:48:08,107 INFO L226 Difference]: Without dead ends: 197 [2018-11-28 18:48:08,108 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:48:08,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2018-11-28 18:48:08,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 194. [2018-11-28 18:48:08,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2018-11-28 18:48:08,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 221 transitions. [2018-11-28 18:48:08,128 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 221 transitions. Word has length 88 [2018-11-28 18:48:08,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:48:08,128 INFO L480 AbstractCegarLoop]: Abstraction has 194 states and 221 transitions. [2018-11-28 18:48:08,128 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 18:48:08,128 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 221 transitions. [2018-11-28 18:48:08,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-28 18:48:08,131 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:48:08,132 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:48:08,132 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:48:08,132 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:48:08,132 INFO L82 PathProgramCache]: Analyzing trace with hash -1231249931, now seen corresponding path program 1 times [2018-11-28 18:48:08,132 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:48:08,132 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:48:08,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:08,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:48:08,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:48:08,255 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:48:08,255 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:48:08,255 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 18:48:08,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 18:48:08,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 18:48:08,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:48:08,256 INFO L87 Difference]: Start difference. First operand 194 states and 221 transitions. Second operand 4 states. [2018-11-28 18:48:08,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:48:08,794 INFO L93 Difference]: Finished difference Result 562 states and 671 transitions. [2018-11-28 18:48:08,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 18:48:08,795 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2018-11-28 18:48:08,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:48:08,799 INFO L225 Difference]: With dead ends: 562 [2018-11-28 18:48:08,799 INFO L226 Difference]: Without dead ends: 396 [2018-11-28 18:48:08,801 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:48:08,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2018-11-28 18:48:08,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 387. [2018-11-28 18:48:08,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2018-11-28 18:48:08,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 451 transitions. [2018-11-28 18:48:08,836 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 451 transitions. Word has length 88 [2018-11-28 18:48:08,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:48:08,837 INFO L480 AbstractCegarLoop]: Abstraction has 387 states and 451 transitions. [2018-11-28 18:48:08,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 18:48:08,837 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 451 transitions. [2018-11-28 18:48:08,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-28 18:48:08,840 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:48:08,840 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:48:08,840 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:48:08,840 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:48:08,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1452787793, now seen corresponding path program 1 times [2018-11-28 18:48:08,841 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:48:08,841 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:48:08,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:08,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:48:08,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:08,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:48:09,069 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:48:09,069 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:48:09,069 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 18:48:09,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 18:48:09,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 18:48:09,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:48:09,070 INFO L87 Difference]: Start difference. First operand 387 states and 451 transitions. Second operand 9 states. [2018-11-28 18:48:10,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:48:10,892 INFO L93 Difference]: Finished difference Result 1022 states and 1243 transitions. [2018-11-28 18:48:10,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-28 18:48:10,896 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2018-11-28 18:48:10,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:48:10,903 INFO L225 Difference]: With dead ends: 1022 [2018-11-28 18:48:10,903 INFO L226 Difference]: Without dead ends: 730 [2018-11-28 18:48:10,906 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:48:10,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2018-11-28 18:48:10,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 652. [2018-11-28 18:48:10,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states. [2018-11-28 18:48:10,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 751 transitions. [2018-11-28 18:48:10,992 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 751 transitions. Word has length 92 [2018-11-28 18:48:10,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:48:10,993 INFO L480 AbstractCegarLoop]: Abstraction has 652 states and 751 transitions. [2018-11-28 18:48:10,993 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 18:48:10,993 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 751 transitions. [2018-11-28 18:48:10,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-28 18:48:10,998 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:48:10,999 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:48:10,999 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:48:10,999 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:48:11,000 INFO L82 PathProgramCache]: Analyzing trace with hash 148420253, now seen corresponding path program 1 times [2018-11-28 18:48:11,001 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:48:11,001 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:48:11,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:11,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:48:11,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:48:11,551 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-28 18:48:11,552 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:48:11,552 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:48:11,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:48:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:48:11,746 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:48:13,391 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:48:13,424 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 18:48:13,424 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 16 [2018-11-28 18:48:13,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-28 18:48:13,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-28 18:48:13,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2018-11-28 18:48:13,426 INFO L87 Difference]: Start difference. First operand 652 states and 751 transitions. Second operand 16 states. [2018-11-28 18:48:16,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:48:16,410 INFO L93 Difference]: Finished difference Result 1031 states and 1207 transitions. [2018-11-28 18:48:16,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-28 18:48:16,411 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 136 [2018-11-28 18:48:16,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:48:16,413 INFO L225 Difference]: With dead ends: 1031 [2018-11-28 18:48:16,413 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:48:16,417 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=112, Invalid=538, Unknown=0, NotChecked=0, Total=650 [2018-11-28 18:48:16,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:48:16,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:48:16,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:48:16,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:48:16,420 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 136 [2018-11-28 18:48:16,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:48:16,421 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:48:16,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-28 18:48:16,421 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:48:16,421 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:48:16,428 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:48:16,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:48:16,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:48:16,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:48:16,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:48:17,943 WARN L180 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2018-11-28 18:48:18,417 WARN L180 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 35 [2018-11-28 18:48:18,602 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 29 [2018-11-28 18:48:19,044 WARN L180 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2018-11-28 18:48:19,362 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2018-11-28 18:48:19,517 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 29 [2018-11-28 18:48:19,677 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 29 [2018-11-28 18:48:19,922 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2018-11-28 18:48:20,190 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 31 [2018-11-28 18:48:20,297 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 26 [2018-11-28 18:48:20,400 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 24 [2018-11-28 18:48:20,581 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 26 [2018-11-28 18:48:20,895 WARN L180 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2018-11-28 18:48:21,099 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 26 [2018-11-28 18:48:21,356 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2018-11-28 18:48:21,471 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 30 [2018-11-28 18:48:21,631 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-28 18:48:21,632 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-28 18:48:21,632 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-28 18:48:21,632 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-28 18:48:21,632 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-28 18:48:21,632 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 794 801) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-28 18:48:21,632 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 794 801) no Hoare annotation was computed. [2018-11-28 18:48:21,632 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 794 801) no Hoare annotation was computed. [2018-11-28 18:48:21,633 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 802 811) the Hoare annotation is: (let ((.cse2 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse3 (not (= 1 ~pumpRunning~0)) .cse1 .cse2) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2))) .cse3))) [2018-11-28 18:48:21,633 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 802 811) no Hoare annotation was computed. [2018-11-28 18:48:21,633 INFO L448 ceAbstractionStarter]: For program point L807(line 807) no Hoare annotation was computed. [2018-11-28 18:48:21,633 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 802 811) no Hoare annotation was computed. [2018-11-28 18:48:21,633 INFO L444 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 .cse4) (or .cse3 .cse1 .cse4 .cse2))) [2018-11-28 18:48:21,633 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 831) no Hoare annotation was computed. [2018-11-28 18:48:21,633 INFO L448 ceAbstractionStarter]: For program point L824(lines 824 834) no Hoare annotation was computed. [2018-11-28 18:48:21,633 INFO L444 ceAbstractionStarter]: At program point L822(line 822) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= 0 ~pumpRunning~0)) .cse0 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse1))) [2018-11-28 18:48:21,634 INFO L448 ceAbstractionStarter]: For program point L822-1(line 822) no Hoare annotation was computed. [2018-11-28 18:48:21,634 INFO L448 ceAbstractionStarter]: For program point L820(lines 820 837) no Hoare annotation was computed. [2018-11-28 18:48:21,634 INFO L448 ceAbstractionStarter]: For program point L820-1(lines 812 840) no Hoare annotation was computed. [2018-11-28 18:48:21,634 INFO L451 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: true [2018-11-28 18:48:21,634 INFO L448 ceAbstractionStarter]: For program point L818-1(line 818) no Hoare annotation was computed. [2018-11-28 18:48:21,634 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 812 840) the Hoare annotation is: true [2018-11-28 18:48:21,634 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 812 840) no Hoare annotation was computed. [2018-11-28 18:48:21,634 INFO L444 ceAbstractionStarter]: At program point L927(line 927) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:48:21,634 INFO L444 ceAbstractionStarter]: At program point L927-1(line 927) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:48:21,635 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 915 937) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-28 18:48:21,635 INFO L448 ceAbstractionStarter]: For program point L925(lines 925 932) no Hoare annotation was computed. [2018-11-28 18:48:21,635 INFO L448 ceAbstractionStarter]: For program point L925-1(lines 925 932) no Hoare annotation was computed. [2018-11-28 18:48:21,635 INFO L448 ceAbstractionStarter]: For program point L923(line 923) no Hoare annotation was computed. [2018-11-28 18:48:21,635 INFO L444 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-28 18:48:21,635 INFO L444 ceAbstractionStarter]: At program point L921(line 921) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-28 18:48:21,635 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 915 937) no Hoare annotation was computed. [2018-11-28 18:48:21,636 INFO L444 ceAbstractionStarter]: At program point L921-1(line 921) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-28 18:48:21,636 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 915 937) no Hoare annotation was computed. [2018-11-28 18:48:21,636 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 720 728) no Hoare annotation was computed. [2018-11-28 18:48:21,636 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 720 728) the Hoare annotation is: true [2018-11-28 18:48:21,636 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 720 728) no Hoare annotation was computed. [2018-11-28 18:48:21,636 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-28 18:48:21,636 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-28 18:48:21,636 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 904 914) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-28 18:48:21,637 INFO L444 ceAbstractionStarter]: At program point L909(line 909) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:48:21,637 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 904 914) no Hoare annotation was computed. [2018-11-28 18:48:21,637 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 904 914) no Hoare annotation was computed. [2018-11-28 18:48:21,637 INFO L448 ceAbstractionStarter]: For program point L674-1(line 674) no Hoare annotation was computed. [2018-11-28 18:48:21,637 INFO L448 ceAbstractionStarter]: For program point L672(lines 672 689) no Hoare annotation was computed. [2018-11-28 18:48:21,637 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 668 692) no Hoare annotation was computed. [2018-11-28 18:48:21,637 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 668 692) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2))) .cse3) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1)) .cse3) (or .cse3 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0))) [2018-11-28 18:48:21,637 INFO L444 ceAbstractionStarter]: At program point L687(line 687) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0))) [2018-11-28 18:48:21,638 INFO L448 ceAbstractionStarter]: For program point L687-1(lines 668 692) no Hoare annotation was computed. [2018-11-28 18:48:21,638 INFO L444 ceAbstractionStarter]: At program point L682(line 682) the Hoare annotation is: (let ((.cse3 (and (= processEnvironment_~tmp~4 0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse1 (not (= ~waterLevel~0 1))) (or .cse3 .cse1 (or .cse2 .cse0 (not (= ~waterLevel~0 2)))))) [2018-11-28 18:48:21,638 INFO L444 ceAbstractionStarter]: At program point L678(line 678) the Hoare annotation is: (let ((.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse0 .cse1 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (or .cse2 .cse0 (not (= ~waterLevel~0 2)))))) [2018-11-28 18:48:21,638 INFO L448 ceAbstractionStarter]: For program point L676(lines 676 684) no Hoare annotation was computed. [2018-11-28 18:48:21,638 INFO L444 ceAbstractionStarter]: At program point L674(line 674) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 (or .cse2 .cse0 (not (= ~waterLevel~0 2))) .cse3) (or .cse2 .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse3))) [2018-11-28 18:48:21,638 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 549) no Hoare annotation was computed. [2018-11-28 18:48:21,638 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 539 552) no Hoare annotation was computed. [2018-11-28 18:48:21,638 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 539 552) the Hoare annotation is: true [2018-11-28 18:48:21,639 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 539 552) no Hoare annotation was computed. [2018-11-28 18:48:21,639 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 660 666) no Hoare annotation was computed. [2018-11-28 18:48:21,639 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 660 666) the Hoare annotation is: true [2018-11-28 18:48:21,639 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 557 622) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:48:21,639 INFO L448 ceAbstractionStarter]: For program point L605(lines 605 609) no Hoare annotation was computed. [2018-11-28 18:48:21,639 INFO L444 ceAbstractionStarter]: At program point L605-2(lines 597 610) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse4 (= 1 ~waterLevel~0) .cse2 .cse3))) [2018-11-28 18:48:21,639 INFO L448 ceAbstractionStarter]: For program point L568(lines 567 614) no Hoare annotation was computed. [2018-11-28 18:48:21,640 INFO L444 ceAbstractionStarter]: At program point L599(line 599) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse4 (= 1 ~waterLevel~0) .cse2 .cse3))) [2018-11-28 18:48:21,640 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 557 622) no Hoare annotation was computed. [2018-11-28 18:48:21,640 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 610) no Hoare annotation was computed. [2018-11-28 18:48:21,640 INFO L444 ceAbstractionStarter]: At program point L589(line 589) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse4 (= 1 ~waterLevel~0) .cse2 .cse3))) [2018-11-28 18:48:21,640 INFO L448 ceAbstractionStarter]: For program point L587(lines 587 593) no Hoare annotation was computed. [2018-11-28 18:48:21,640 INFO L448 ceAbstractionStarter]: For program point L587-1(lines 587 593) no Hoare annotation was computed. [2018-11-28 18:48:21,640 INFO L444 ceAbstractionStarter]: At program point L612(lines 567 614) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3) (and .cse5 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (= 1 ~waterLevel~0) .cse2 .cse3))) [2018-11-28 18:48:21,641 INFO L444 ceAbstractionStarter]: At program point L579(line 579) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse1 .cse2) .cse3 .cse4) (and .cse3 .cse5 .cse1 .cse2) (and .cse5 .cse1 .cse2 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (= 1 ~waterLevel~0) .cse1 .cse2))) [2018-11-28 18:48:21,641 INFO L448 ceAbstractionStarter]: For program point L577(lines 577 583) no Hoare annotation was computed. [2018-11-28 18:48:21,641 INFO L448 ceAbstractionStarter]: For program point L577-1(lines 577 583) no Hoare annotation was computed. [2018-11-28 18:48:21,641 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 573) no Hoare annotation was computed. [2018-11-28 18:48:21,641 INFO L444 ceAbstractionStarter]: At program point L615(lines 566 616) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:48:21,641 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 557 622) no Hoare annotation was computed. [2018-11-28 18:48:21,641 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:48:21,641 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= ~waterLevel~0 1) (= |old(~waterLevel~0)| ~waterLevel~0))) [2018-11-28 18:48:21,641 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:48:21,641 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 693 700) no Hoare annotation was computed. [2018-11-28 18:48:21,642 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 693 700) no Hoare annotation was computed. [2018-11-28 18:48:21,642 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 693 700) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-28 18:48:21,642 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 765 783) no Hoare annotation was computed. [2018-11-28 18:48:21,642 INFO L448 ceAbstractionStarter]: For program point L774(lines 774 778) no Hoare annotation was computed. [2018-11-28 18:48:21,642 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 765 783) the Hoare annotation is: true [2018-11-28 18:48:21,642 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 765 783) no Hoare annotation was computed. [2018-11-28 18:48:21,642 INFO L451 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: true [2018-11-28 18:48:21,642 INFO L448 ceAbstractionStarter]: For program point L774-2(lines 774 778) no Hoare annotation was computed. [2018-11-28 18:48:21,642 INFO L448 ceAbstractionStarter]: For program point L772-1(line 772) no Hoare annotation was computed. [2018-11-28 18:48:21,643 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 530 538) the Hoare annotation is: true [2018-11-28 18:48:21,643 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 530 538) no Hoare annotation was computed. [2018-11-28 18:48:21,643 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 530 538) no Hoare annotation was computed. [2018-11-28 18:48:21,643 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 486 497) the Hoare annotation is: true [2018-11-28 18:48:21,643 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 486 497) no Hoare annotation was computed. [2018-11-28 18:48:21,643 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 486 497) no Hoare annotation was computed. [2018-11-28 18:48:21,643 INFO L448 ceAbstractionStarter]: For program point L864(line 864) no Hoare annotation was computed. [2018-11-28 18:48:21,643 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 843 872) no Hoare annotation was computed. [2018-11-28 18:48:21,643 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 843 872) the Hoare annotation is: true [2018-11-28 18:48:21,643 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 861) no Hoare annotation was computed. [2018-11-28 18:48:21,643 INFO L451 ceAbstractionStarter]: At program point L857-1(lines 857 861) the Hoare annotation is: true [2018-11-28 18:48:21,644 INFO L448 ceAbstractionStarter]: For program point L854(line 854) no Hoare annotation was computed. [2018-11-28 18:48:21,644 INFO L451 ceAbstractionStarter]: At program point L853-2(lines 853 867) the Hoare annotation is: true [2018-11-28 18:48:21,644 INFO L451 ceAbstractionStarter]: At program point L849(line 849) the Hoare annotation is: true [2018-11-28 18:48:21,644 INFO L448 ceAbstractionStarter]: For program point L849-1(line 849) no Hoare annotation was computed. [2018-11-28 18:48:21,644 INFO L451 ceAbstractionStarter]: At program point L868(lines 843 872) the Hoare annotation is: true [2018-11-28 18:48:21,644 INFO L448 ceAbstractionStarter]: For program point L640(lines 636 658) no Hoare annotation was computed. [2018-11-28 18:48:21,644 INFO L448 ceAbstractionStarter]: For program point L638(lines 636 658) no Hoare annotation was computed. [2018-11-28 18:48:21,644 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 633 659) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse10 (not (= |old(~waterLevel~0)| 2)))) (let ((.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse7 (= 0 ~pumpRunning~0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 1)) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse9 (or .cse4 .cse2 .cse10)) (.cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse3 .cse5 .cse6) (or .cse4 (and .cse7 (= 1 ~waterLevel~0)) .cse2 .cse5) (or (and .cse8 .cse6) .cse1 .cse2 .cse3) (or (and .cse7 .cse0) .cse9) (or (or .cse2 .cse10) .cse1 (and .cse8 .cse0)) (or .cse3 .cse9 .cse6)))) [2018-11-28 18:48:21,644 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 633 659) no Hoare annotation was computed. [2018-11-28 18:48:21,645 INFO L444 ceAbstractionStarter]: At program point L649(line 649) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (and .cse1 .cse2) .cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (or .cse4 .cse3 (not (= |old(~waterLevel~0)| 1)) (and .cse5 .cse6 .cse2)) (or (or .cse3 .cse7) .cse0 (and .cse6 .cse1 .cse2)) (or (or .cse4 .cse3 .cse7) (and .cse5 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2)))) [2018-11-28 18:48:21,645 INFO L444 ceAbstractionStarter]: At program point L647(lines 647 653) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (= 1 ~waterLevel~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and .cse1 .cse2) .cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (or .cse4 .cse3 (not (= |old(~waterLevel~0)| 1)) (and .cse5 .cse6 .cse2)) (or (or .cse3 .cse7) .cse0 (and .cse6 .cse1 .cse2)) (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse5 .cse8 .cse2) (and .cse1 .cse8) (or .cse4 .cse3 .cse7))))) [2018-11-28 18:48:21,645 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 633 659) no Hoare annotation was computed. [2018-11-28 18:48:21,645 INFO L444 ceAbstractionStarter]: At program point L642(line 642) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and .cse3 .cse4 .cse5) (or .cse1 .cse2) .cse6) (or (and .cse3 (or (= ~waterLevel~0 1) .cse4) .cse5) .cse6 .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))))) [2018-11-28 18:48:21,645 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 462 473) no Hoare annotation was computed. [2018-11-28 18:48:21,645 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 462 473) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse3 (or (not (= ~systemActive~0 1)) (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= |old(~waterLevel~0)| 2))) (or (or (= ~waterLevel~0 1) .cse0) .cse1 .cse2 .cse3))) [2018-11-28 18:48:21,646 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 462 473) no Hoare annotation was computed. [2018-11-28 18:48:21,646 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 897 903) no Hoare annotation was computed. [2018-11-28 18:48:21,646 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 897 903) the Hoare annotation is: true [2018-11-28 18:48:21,646 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:48:21,646 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-28 18:48:21,646 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:48:21,646 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:48:21,646 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 784 791) no Hoare annotation was computed. [2018-11-28 18:48:21,646 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 784 791) the Hoare annotation is: (let ((.cse3 (not (= 1 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse4 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse3 .cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (or .cse2 .cse4) .cse3 .cse1) (or .cse1 (or .cse0 .cse2 .cse4)))) [2018-11-28 18:48:21,646 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 784 791) no Hoare annotation was computed. [2018-11-28 18:48:21,647 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 474 485) no Hoare annotation was computed. [2018-11-28 18:48:21,647 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 474 485) no Hoare annotation was computed. [2018-11-28 18:48:21,647 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 474 485) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 2)))) (and (or (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (= 1 ~waterLevel~0)) (or (or (= ~waterLevel~0 1) .cse2) .cse1 .cse3 .cse4) (or (or .cse0 .cse1) .cse2 .cse4 .cse5) (or .cse1 .cse3 .cse2 .cse5))) [2018-11-28 18:48:21,647 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2018-11-28 18:48:21,647 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2018-11-28 18:48:21,647 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2018-11-28 18:48:21,647 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2018-11-28 18:48:21,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:48:21 BoogieIcfgContainer [2018-11-28 18:48:21,670 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:48:21,670 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:48:21,670 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:48:21,670 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:48:21,671 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:48:02" (3/4) ... [2018-11-28 18:48:21,675 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:48:21,682 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:48:21,683 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:48:21,683 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-28 18:48:21,683 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-28 18:48:21,683 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-28 18:48:21,683 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:48:21,683 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:48:21,683 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:48:21,683 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:48:21,683 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:48:21,683 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 18:48:21,684 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:48:21,684 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:48:21,684 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:48:21,684 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 18:48:21,684 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 18:48:21,684 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 18:48:21,684 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:48:21,684 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:48:21,684 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:48:21,684 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:48:21,684 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:48:21,685 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 18:48:21,685 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:48:21,685 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:48:21,696 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-28 18:48:21,696 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 18:48:21,697 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 18:48:21,698 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:48:21,698 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:48:21,699 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:48:21,743 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || (((pumpRunning == 1 && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || (((0 == pumpRunning && 1 == waterLevel) && systemActive == 1) && splverifierCounter == 0) [2018-11-28 18:48:21,743 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-28 18:48:21,805 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:48:21,805 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:48:21,806 INFO L168 Benchmark]: Toolchain (without parser) took 21270.22 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 320.3 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -123.3 MB). Peak memory consumption was 197.0 MB. Max. memory is 11.5 GB. [2018-11-28 18:48:21,807 INFO L168 Benchmark]: CDTParser took 0.21 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 18:48:21,807 INFO L168 Benchmark]: CACSL2BoogieTranslator took 802.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -177.8 MB). Peak memory consumption was 43.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:48:21,808 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.79 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 18:48:21,808 INFO L168 Benchmark]: Boogie Preprocessor took 66.89 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 18:48:21,808 INFO L168 Benchmark]: RCFGBuilder took 1192.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 11.5 GB. [2018-11-28 18:48:21,808 INFO L168 Benchmark]: TraceAbstraction took 19017.55 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 180.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -1.8 MB). Peak memory consumption was 429.0 MB. Max. memory is 11.5 GB. [2018-11-28 18:48:21,809 INFO L168 Benchmark]: Witness Printer took 135.08 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:48:21,811 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 802.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -177.8 MB). Peak memory consumption was 43.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.89 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 1192.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19017.55 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 180.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -1.8 MB). Peak memory consumption was 429.0 MB. Max. memory is 11.5 GB. * Witness Printer took 135.08 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: 567]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || (((pumpRunning == 1 && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || (((0 == pumpRunning && 1 == waterLevel) && systemActive == 1) && splverifierCounter == 0) - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 132 locations, 1 error locations. SAFE Result, 18.9s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 8.5s AutomataDifference, 0.0s DeadEndRemovalTime, 5.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 1549 SDtfs, 1255 SDslu, 4383 SDs, 0 SdLazy, 2198 SolverSat, 485 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 261 GetRequests, 179 SyntacticMatches, 3 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=652occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 128 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 806 PreInvPairs, 874 NumberOfFragments, 1725 HoareAnnotationTreeSize, 806 FomulaSimplifications, 2429 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 54 FomulaSimplificationsInter, 5152 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 972 NumberOfCodeBlocks, 972 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 961 ConstructedInterpolants, 0 QuantifiedInterpolants, 162055 SizeOfPredicates, 4 NumberOfNonLiveVariables, 862 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 87/105 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...