./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec3_product57_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec3_product57_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 324eb41748355c32a9add81086317d66d1f7b200 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 18:45:49,751 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:45:49,753 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:45:49,766 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:45:49,767 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:45:49,768 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:45:49,770 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:45:49,772 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:45:49,774 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:45:49,775 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:45:49,776 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:45:49,776 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:45:49,778 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:45:49,779 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:45:49,780 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:45:49,781 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:45:49,783 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:45:49,785 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:45:49,787 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:45:49,789 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:45:49,790 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:45:49,792 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:45:49,795 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:45:49,795 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:45:49,795 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:45:49,796 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:45:49,798 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:45:49,799 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:45:49,800 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:45:49,801 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:45:49,802 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:45:49,803 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:45:49,803 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:45:49,803 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:45:49,805 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:45:49,806 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:45:49,806 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:45:49,822 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:45:49,823 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:45:49,823 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:45:49,823 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:45:49,824 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:45:49,825 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:45:49,825 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:45:49,825 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:45:49,825 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:45:49,825 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:45:49,825 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:45:49,826 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:45:49,826 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:45:49,826 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:45:49,826 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:45:49,826 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:45:49,826 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:45:49,827 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:45:49,828 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:45:49,828 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:45:49,828 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:45:49,829 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:45:49,829 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:45:49,829 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:45:49,829 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:45:49,829 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:45:49,830 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:45:49,830 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:45:49,830 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:45:49,830 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:45:49,830 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 -> 324eb41748355c32a9add81086317d66d1f7b200 [2018-11-28 18:45:49,868 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:45:49,881 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:45:49,886 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:45:49,887 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:45:49,888 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:45:49,889 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec3_product57_true-unreach-call_false-termination.cil.c [2018-11-28 18:45:49,956 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b90ca6548/f91bbdf51927459b853c3a499fc95ab1/FLAG523fba4f0 [2018-11-28 18:45:50,509 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:45:50,509 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec3_product57_true-unreach-call_false-termination.cil.c [2018-11-28 18:45:50,524 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b90ca6548/f91bbdf51927459b853c3a499fc95ab1/FLAG523fba4f0 [2018-11-28 18:45:50,805 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b90ca6548/f91bbdf51927459b853c3a499fc95ab1 [2018-11-28 18:45:50,808 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:45:50,809 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:45:50,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:45:50,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:45:50,815 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:45:50,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:45:50" (1/1) ... [2018-11-28 18:45:50,822 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19c9ac3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:50, skipping insertion in model container [2018-11-28 18:45:50,822 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:45:50" (1/1) ... [2018-11-28 18:45:50,831 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:45:50,897 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:45:51,317 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:45:51,349 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:45:51,476 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:45:51,604 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:45:51,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:51 WrapperNode [2018-11-28 18:45:51,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:45:51,606 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:45:51,606 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:45:51,606 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:45:51,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:51" (1/1) ... [2018-11-28 18:45:51,658 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:51" (1/1) ... [2018-11-28 18:45:51,674 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:45:51,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:45:51,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:45:51,675 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:45:51,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:51" (1/1) ... [2018-11-28 18:45:51,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:51" (1/1) ... [2018-11-28 18:45:51,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:51" (1/1) ... [2018-11-28 18:45:51,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:51" (1/1) ... [2018-11-28 18:45:51,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:51" (1/1) ... [2018-11-28 18:45:51,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:51" (1/1) ... [2018-11-28 18:45:51,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:51" (1/1) ... [2018-11-28 18:45:51,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:45:51,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:45:51,762 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:45:51,762 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:45:51,763 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:45:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:45:51,840 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:45:51,841 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:45:51,842 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:45:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 18:45:51,842 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 18:45:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:45:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:45:51,842 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:45:51,843 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:45:51,843 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:45:51,843 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 18:45:51,843 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 18:45:51,843 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:45:51,843 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:45:51,843 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:45:51,847 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:45:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:45:51,847 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:45:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 18:45:51,848 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 18:45:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 18:45:51,848 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 18:45:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 18:45:51,849 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 18:45:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 18:45:51,849 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 18:45:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:45:51,850 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:45:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:45:51,850 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:45:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:45:51,850 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:45:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:45:51,852 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:45:51,853 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:45:51,853 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:45:51,853 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:45:51,853 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:45:51,853 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:45:51,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:45:51,854 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:45:51,855 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:45:51,855 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:45:51,855 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:45:51,855 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:45:51,855 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:45:51,855 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:45:51,855 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:45:51,855 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:45:51,856 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:45:51,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:45:51,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:45:51,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:45:51,858 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:45:51,858 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:45:51,858 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-28 18:45:51,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-28 18:45:51,858 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:45:51,858 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:45:51,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:45:51,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:45:53,030 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:45:53,030 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:45:53,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:45:53 BoogieIcfgContainer [2018-11-28 18:45:53,031 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:45:53,032 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:45:53,032 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:45:53,036 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:45:53,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:45:50" (1/3) ... [2018-11-28 18:45:53,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13fbbf7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:45:53, skipping insertion in model container [2018-11-28 18:45:53,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:51" (2/3) ... [2018-11-28 18:45:53,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13fbbf7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:45:53, skipping insertion in model container [2018-11-28 18:45:53,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:45:53" (3/3) ... [2018-11-28 18:45:53,041 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product57_true-unreach-call_false-termination.cil.c [2018-11-28 18:45:53,050 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:45:53,058 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:45:53,077 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:45:53,118 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:45:53,119 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:45:53,119 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:45:53,119 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:45:53,120 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:45:53,120 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:45:53,120 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:45:53,120 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:45:53,120 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:45:53,152 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2018-11-28 18:45:53,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:45:53,165 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:53,166 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:53,169 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:53,175 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:53,175 INFO L82 PathProgramCache]: Analyzing trace with hash 309497542, now seen corresponding path program 1 times [2018-11-28 18:45:53,178 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:53,178 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:53,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:53,238 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:53,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:53,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:53,535 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:53,536 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:45:53,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:45:53,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:45:53,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:45:53,563 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 2 states. [2018-11-28 18:45:53,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:53,623 INFO L93 Difference]: Finished difference Result 292 states and 359 transitions. [2018-11-28 18:45:53,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:45:53,628 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-28 18:45:53,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:53,646 INFO L225 Difference]: With dead ends: 292 [2018-11-28 18:45:53,646 INFO L226 Difference]: Without dead ends: 146 [2018-11-28 18:45:53,651 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:45:53,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-11-28 18:45:53,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-11-28 18:45:53,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-11-28 18:45:53,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 171 transitions. [2018-11-28 18:45:53,712 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 171 transitions. Word has length 52 [2018-11-28 18:45:53,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:53,713 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 171 transitions. [2018-11-28 18:45:53,713 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:45:53,714 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 171 transitions. [2018-11-28 18:45:53,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-28 18:45:53,718 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:53,718 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:53,718 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:53,719 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:53,719 INFO L82 PathProgramCache]: Analyzing trace with hash 50384909, now seen corresponding path program 1 times [2018-11-28 18:45:53,719 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:53,719 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:53,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:53,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:53,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:53,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:53,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:53,872 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:53,873 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:45:53,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:45:53,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:45:53,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:45:53,876 INFO L87 Difference]: Start difference. First operand 146 states and 171 transitions. Second operand 3 states. [2018-11-28 18:45:53,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:53,914 INFO L93 Difference]: Finished difference Result 241 states and 281 transitions. [2018-11-28 18:45:53,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:45:53,915 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-28 18:45:53,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:53,919 INFO L225 Difference]: With dead ends: 241 [2018-11-28 18:45:53,919 INFO L226 Difference]: Without dead ends: 137 [2018-11-28 18:45:53,921 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:45:53,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-11-28 18:45:53,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-11-28 18:45:53,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-11-28 18:45:53,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 159 transitions. [2018-11-28 18:45:53,941 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 159 transitions. Word has length 53 [2018-11-28 18:45:53,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:53,942 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 159 transitions. [2018-11-28 18:45:53,942 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:45:53,942 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 159 transitions. [2018-11-28 18:45:53,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 18:45:53,946 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:53,946 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:53,947 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:53,947 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:53,948 INFO L82 PathProgramCache]: Analyzing trace with hash -1719848662, now seen corresponding path program 1 times [2018-11-28 18:45:53,948 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:53,948 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:53,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:53,949 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:53,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:54,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:54,269 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:54,269 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:45:54,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:45:54,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:45:54,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:45:54,275 INFO L87 Difference]: Start difference. First operand 137 states and 159 transitions. Second operand 7 states. [2018-11-28 18:45:55,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:55,651 INFO L93 Difference]: Finished difference Result 250 states and 295 transitions. [2018-11-28 18:45:55,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:45:55,653 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-28 18:45:55,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:55,660 INFO L225 Difference]: With dead ends: 250 [2018-11-28 18:45:55,660 INFO L226 Difference]: Without dead ends: 137 [2018-11-28 18:45:55,661 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:45:55,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-11-28 18:45:55,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-11-28 18:45:55,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-11-28 18:45:55,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 158 transitions. [2018-11-28 18:45:55,696 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 158 transitions. Word has length 57 [2018-11-28 18:45:55,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:55,697 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 158 transitions. [2018-11-28 18:45:55,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:45:55,697 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 158 transitions. [2018-11-28 18:45:55,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-28 18:45:55,703 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:55,703 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:55,704 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:55,704 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:55,704 INFO L82 PathProgramCache]: Analyzing trace with hash -1872109176, now seen corresponding path program 1 times [2018-11-28 18:45:55,704 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:55,704 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:55,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:55,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:55,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:55,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:55,894 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:55,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 18:45:55,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 18:45:55,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 18:45:55,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:45:55,897 INFO L87 Difference]: Start difference. First operand 137 states and 158 transitions. Second operand 5 states. [2018-11-28 18:45:57,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:57,145 INFO L93 Difference]: Finished difference Result 358 states and 429 transitions. [2018-11-28 18:45:57,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:45:57,146 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-11-28 18:45:57,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:57,150 INFO L225 Difference]: With dead ends: 358 [2018-11-28 18:45:57,150 INFO L226 Difference]: Without dead ends: 245 [2018-11-28 18:45:57,152 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:45:57,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-11-28 18:45:57,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 227. [2018-11-28 18:45:57,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-11-28 18:45:57,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 259 transitions. [2018-11-28 18:45:57,184 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 259 transitions. Word has length 70 [2018-11-28 18:45:57,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:57,185 INFO L480 AbstractCegarLoop]: Abstraction has 227 states and 259 transitions. [2018-11-28 18:45:57,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 18:45:57,185 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 259 transitions. [2018-11-28 18:45:57,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-28 18:45:57,188 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:57,188 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:57,189 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:57,189 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:57,189 INFO L82 PathProgramCache]: Analyzing trace with hash -1423110013, now seen corresponding path program 1 times [2018-11-28 18:45:57,189 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:57,189 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:57,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:57,190 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:57,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:57,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:57,396 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:57,396 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:45:57,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:45:57,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:45:57,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:45:57,398 INFO L87 Difference]: Start difference. First operand 227 states and 259 transitions. Second operand 6 states. [2018-11-28 18:45:57,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:57,667 INFO L93 Difference]: Finished difference Result 556 states and 667 transitions. [2018-11-28 18:45:57,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:45:57,676 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-11-28 18:45:57,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:57,681 INFO L225 Difference]: With dead ends: 556 [2018-11-28 18:45:57,682 INFO L226 Difference]: Without dead ends: 353 [2018-11-28 18:45:57,683 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:45:57,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2018-11-28 18:45:57,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 349. [2018-11-28 18:45:57,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2018-11-28 18:45:57,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 405 transitions. [2018-11-28 18:45:57,726 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 405 transitions. Word has length 84 [2018-11-28 18:45:57,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:57,727 INFO L480 AbstractCegarLoop]: Abstraction has 349 states and 405 transitions. [2018-11-28 18:45:57,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:45:57,727 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 405 transitions. [2018-11-28 18:45:57,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-28 18:45:57,735 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:57,735 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:57,735 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:57,735 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:57,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1055268227, now seen corresponding path program 1 times [2018-11-28 18:45:57,736 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:57,736 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:57,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:57,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:57,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:58,053 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-28 18:45:58,346 WARN L180 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 6 [2018-11-28 18:45:58,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:58,580 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:58,580 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:45:58,581 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:45:58,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:45:58,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:45:58,583 INFO L87 Difference]: Start difference. First operand 349 states and 405 transitions. Second operand 6 states. [2018-11-28 18:45:58,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:59,000 INFO L93 Difference]: Finished difference Result 750 states and 904 transitions. [2018-11-28 18:45:59,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:45:59,001 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-11-28 18:45:59,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:59,010 INFO L225 Difference]: With dead ends: 750 [2018-11-28 18:45:59,010 INFO L226 Difference]: Without dead ends: 547 [2018-11-28 18:45:59,013 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:45:59,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2018-11-28 18:45:59,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 529. [2018-11-28 18:45:59,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2018-11-28 18:45:59,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 627 transitions. [2018-11-28 18:45:59,077 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 627 transitions. Word has length 88 [2018-11-28 18:45:59,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:59,078 INFO L480 AbstractCegarLoop]: Abstraction has 529 states and 627 transitions. [2018-11-28 18:45:59,078 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:45:59,078 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 627 transitions. [2018-11-28 18:45:59,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-28 18:45:59,082 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:59,082 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:59,082 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:59,083 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:59,083 INFO L82 PathProgramCache]: Analyzing trace with hash -1977951810, now seen corresponding path program 1 times [2018-11-28 18:45:59,083 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:59,083 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:59,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:59,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:59,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:59,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:59,377 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:59,377 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 18:45:59,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 18:45:59,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 18:45:59,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:45:59,378 INFO L87 Difference]: Start difference. First operand 529 states and 627 transitions. Second operand 5 states. [2018-11-28 18:45:59,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:59,567 INFO L93 Difference]: Finished difference Result 922 states and 1114 transitions. [2018-11-28 18:45:59,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 18:45:59,568 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2018-11-28 18:45:59,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:59,573 INFO L225 Difference]: With dead ends: 922 [2018-11-28 18:45:59,573 INFO L226 Difference]: Without dead ends: 539 [2018-11-28 18:45:59,575 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:45:59,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2018-11-28 18:45:59,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 533. [2018-11-28 18:45:59,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2018-11-28 18:45:59,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 630 transitions. [2018-11-28 18:45:59,616 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 630 transitions. Word has length 88 [2018-11-28 18:45:59,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:59,617 INFO L480 AbstractCegarLoop]: Abstraction has 533 states and 630 transitions. [2018-11-28 18:45:59,617 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 18:45:59,617 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 630 transitions. [2018-11-28 18:45:59,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-28 18:45:59,620 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:59,620 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:59,621 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:59,621 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:59,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1473009984, now seen corresponding path program 1 times [2018-11-28 18:45:59,621 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:59,621 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:59,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:59,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:59,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:59,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:59,912 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:59,913 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 18:45:59,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 18:45:59,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 18:45:59,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:45:59,914 INFO L87 Difference]: Start difference. First operand 533 states and 630 transitions. Second operand 9 states. [2018-11-28 18:46:00,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:00,243 INFO L93 Difference]: Finished difference Result 1059 states and 1278 transitions. [2018-11-28 18:46:00,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 18:46:00,244 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2018-11-28 18:46:00,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:00,249 INFO L225 Difference]: With dead ends: 1059 [2018-11-28 18:46:00,249 INFO L226 Difference]: Without dead ends: 550 [2018-11-28 18:46:00,252 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:46:00,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2018-11-28 18:46:00,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 540. [2018-11-28 18:46:00,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 540 states. [2018-11-28 18:46:00,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 637 transitions. [2018-11-28 18:46:00,289 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 637 transitions. Word has length 88 [2018-11-28 18:46:00,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:00,290 INFO L480 AbstractCegarLoop]: Abstraction has 540 states and 637 transitions. [2018-11-28 18:46:00,290 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 18:46:00,290 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 637 transitions. [2018-11-28 18:46:00,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-28 18:46:00,294 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:00,294 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:46:00,294 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:00,295 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:00,295 INFO L82 PathProgramCache]: Analyzing trace with hash 341149841, now seen corresponding path program 1 times [2018-11-28 18:46:00,296 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:00,296 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:00,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:00,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:00,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:00,500 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 18:46:00,500 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:46:00,500 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 18:46:00,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:00,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:00,701 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:46:02,161 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:46:02,203 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:46:02,204 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 14 [2018-11-28 18:46:02,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 18:46:02,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 18:46:02,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-11-28 18:46:02,205 INFO L87 Difference]: Start difference. First operand 540 states and 637 transitions. Second operand 14 states. [2018-11-28 18:46:06,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:06,870 INFO L93 Difference]: Finished difference Result 1457 states and 1779 transitions. [2018-11-28 18:46:06,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-28 18:46:06,870 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 100 [2018-11-28 18:46:06,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:06,879 INFO L225 Difference]: With dead ends: 1457 [2018-11-28 18:46:06,879 INFO L226 Difference]: Without dead ends: 941 [2018-11-28 18:46:06,882 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:46:06,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2018-11-28 18:46:06,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 938. [2018-11-28 18:46:06,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 938 states. [2018-11-28 18:46:06,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1098 transitions. [2018-11-28 18:46:06,964 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1098 transitions. Word has length 100 [2018-11-28 18:46:06,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:06,966 INFO L480 AbstractCegarLoop]: Abstraction has 938 states and 1098 transitions. [2018-11-28 18:46:06,967 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 18:46:06,967 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1098 transitions. [2018-11-28 18:46:06,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-28 18:46:06,972 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:06,972 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:46:06,972 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:06,973 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:06,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1406056147, now seen corresponding path program 1 times [2018-11-28 18:46:06,973 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:06,973 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:06,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:06,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:06,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:07,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:07,243 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 18:46:07,243 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:07,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 18:46:07,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 18:46:07,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 18:46:07,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:46:07,246 INFO L87 Difference]: Start difference. First operand 938 states and 1098 transitions. Second operand 10 states. [2018-11-28 18:46:07,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:07,981 INFO L93 Difference]: Finished difference Result 1862 states and 2183 transitions. [2018-11-28 18:46:07,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 18:46:07,982 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 104 [2018-11-28 18:46:07,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:07,988 INFO L225 Difference]: With dead ends: 1862 [2018-11-28 18:46:07,988 INFO L226 Difference]: Without dead ends: 948 [2018-11-28 18:46:07,992 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:46:07,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2018-11-28 18:46:08,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 908. [2018-11-28 18:46:08,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 908 states. [2018-11-28 18:46:08,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1031 transitions. [2018-11-28 18:46:08,045 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1031 transitions. Word has length 104 [2018-11-28 18:46:08,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:08,046 INFO L480 AbstractCegarLoop]: Abstraction has 908 states and 1031 transitions. [2018-11-28 18:46:08,047 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 18:46:08,047 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1031 transitions. [2018-11-28 18:46:08,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-28 18:46:08,050 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:08,051 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:46:08,051 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:08,051 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:08,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1778836691, now seen corresponding path program 1 times [2018-11-28 18:46:08,051 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:08,051 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:08,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:08,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:08,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:09,143 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 18:46:09,143 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:09,143 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 18:46:09,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 18:46:09,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 18:46:09,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:46:09,147 INFO L87 Difference]: Start difference. First operand 908 states and 1031 transitions. Second operand 10 states. [2018-11-28 18:46:09,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:09,580 INFO L93 Difference]: Finished difference Result 1766 states and 2027 transitions. [2018-11-28 18:46:09,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 18:46:09,583 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 104 [2018-11-28 18:46:09,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:09,589 INFO L225 Difference]: With dead ends: 1766 [2018-11-28 18:46:09,590 INFO L226 Difference]: Without dead ends: 882 [2018-11-28 18:46:09,593 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:46:09,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2018-11-28 18:46:09,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 866. [2018-11-28 18:46:09,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 866 states. [2018-11-28 18:46:09,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 981 transitions. [2018-11-28 18:46:09,643 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 981 transitions. Word has length 104 [2018-11-28 18:46:09,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:09,643 INFO L480 AbstractCegarLoop]: Abstraction has 866 states and 981 transitions. [2018-11-28 18:46:09,643 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 18:46:09,644 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 981 transitions. [2018-11-28 18:46:09,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-28 18:46:09,649 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:09,650 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:46:09,650 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:09,650 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:09,650 INFO L82 PathProgramCache]: Analyzing trace with hash -968247840, now seen corresponding path program 1 times [2018-11-28 18:46:09,650 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:09,652 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:09,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:09,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:09,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:09,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:10,020 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-28 18:46:10,020 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:46:10,020 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:46:10,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:10,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:10,160 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:46:10,547 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-28 18:46:10,566 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 18:46:10,567 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 13 [2018-11-28 18:46:10,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 18:46:10,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 18:46:10,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:46:10,568 INFO L87 Difference]: Start difference. First operand 866 states and 981 transitions. Second operand 13 states. [2018-11-28 18:46:12,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:12,945 INFO L93 Difference]: Finished difference Result 2287 states and 2787 transitions. [2018-11-28 18:46:12,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-28 18:46:12,946 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 149 [2018-11-28 18:46:12,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:12,955 INFO L225 Difference]: With dead ends: 2287 [2018-11-28 18:46:12,955 INFO L226 Difference]: Without dead ends: 1445 [2018-11-28 18:46:12,959 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=134, Invalid=568, Unknown=0, NotChecked=0, Total=702 [2018-11-28 18:46:12,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2018-11-28 18:46:13,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1234. [2018-11-28 18:46:13,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1234 states. [2018-11-28 18:46:13,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 1234 states and 1385 transitions. [2018-11-28 18:46:13,039 INFO L78 Accepts]: Start accepts. Automaton has 1234 states and 1385 transitions. Word has length 149 [2018-11-28 18:46:13,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:13,040 INFO L480 AbstractCegarLoop]: Abstraction has 1234 states and 1385 transitions. [2018-11-28 18:46:13,040 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 18:46:13,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 1385 transitions. [2018-11-28 18:46:13,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-28 18:46:13,046 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:13,046 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:46:13,046 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:13,046 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:13,047 INFO L82 PathProgramCache]: Analyzing trace with hash -387257149, now seen corresponding path program 1 times [2018-11-28 18:46:13,047 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:13,047 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:13,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:13,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:13,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:13,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:13,187 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-28 18:46:13,187 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:46:13,188 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:46:13,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:13,316 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:46:13,546 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-28 18:46:13,566 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 18:46:13,566 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2018-11-28 18:46:13,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-28 18:46:13,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-28 18:46:13,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-11-28 18:46:13,568 INFO L87 Difference]: Start difference. First operand 1234 states and 1385 transitions. Second operand 15 states. [2018-11-28 18:46:20,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:20,067 INFO L93 Difference]: Finished difference Result 3081 states and 3990 transitions. [2018-11-28 18:46:20,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-28 18:46:20,069 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 153 [2018-11-28 18:46:20,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:20,070 INFO L225 Difference]: With dead ends: 3081 [2018-11-28 18:46:20,070 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:46:20,079 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=349, Invalid=1543, Unknown=0, NotChecked=0, Total=1892 [2018-11-28 18:46:20,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:46:20,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:46:20,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:46:20,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:46:20,080 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2018-11-28 18:46:20,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:20,081 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:46:20,082 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-28 18:46:20,082 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:46:20,083 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:46:20,088 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:46:20,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,773 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 68 [2018-11-28 18:46:20,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:20,915 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 68 [2018-11-28 18:46:21,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:21,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:46:22,774 WARN L180 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 49 DAG size of output: 22 [2018-11-28 18:46:23,422 WARN L180 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 28 [2018-11-28 18:46:23,561 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 1 [2018-11-28 18:46:24,642 WARN L180 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 51 [2018-11-28 18:46:24,867 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 26 [2018-11-28 18:46:25,081 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 28 [2018-11-28 18:46:25,306 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 28 [2018-11-28 18:46:25,955 WARN L180 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 49 [2018-11-28 18:46:26,296 WARN L180 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 39 [2018-11-28 18:46:26,596 WARN L180 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 28 [2018-11-28 18:46:26,779 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 30 [2018-11-28 18:46:27,074 WARN L180 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 30 [2018-11-28 18:46:27,233 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 28 [2018-11-28 18:46:27,585 WARN L180 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 38 [2018-11-28 18:46:27,857 WARN L180 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 28 [2018-11-28 18:46:28,023 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 28 [2018-11-28 18:46:28,217 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2018-11-28 18:46:28,527 WARN L180 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 29 [2018-11-28 18:46:28,809 WARN L180 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 33 [2018-11-28 18:46:29,844 WARN L180 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 110 DAG size of output: 56 [2018-11-28 18:46:30,045 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 31 [2018-11-28 18:46:30,498 WARN L180 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 32 [2018-11-28 18:46:30,694 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 24 [2018-11-28 18:46:30,901 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2018-11-28 18:46:31,114 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 36 [2018-11-28 18:46:31,642 WARN L180 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 41 [2018-11-28 18:46:31,808 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 33 [2018-11-28 18:46:31,812 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 538 544) the Hoare annotation is: true [2018-11-28 18:46:31,812 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 538 544) no Hoare annotation was computed. [2018-11-28 18:46:31,812 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 545 553) no Hoare annotation was computed. [2018-11-28 18:46:31,812 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 545 553) the Hoare annotation is: true [2018-11-28 18:46:31,812 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 545 553) no Hoare annotation was computed. [2018-11-28 18:46:31,813 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 957 979) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:31,813 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 957 979) no Hoare annotation was computed. [2018-11-28 18:46:31,813 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 957 979) no Hoare annotation was computed. [2018-11-28 18:46:31,813 INFO L444 ceAbstractionStarter]: At program point L969(line 969) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1))) [2018-11-28 18:46:31,813 INFO L444 ceAbstractionStarter]: At program point L969-1(line 969) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1))) [2018-11-28 18:46:31,813 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 974) no Hoare annotation was computed. [2018-11-28 18:46:31,813 INFO L448 ceAbstractionStarter]: For program point L967-1(lines 967 974) no Hoare annotation was computed. [2018-11-28 18:46:31,814 INFO L448 ceAbstractionStarter]: For program point L965(line 965) no Hoare annotation was computed. [2018-11-28 18:46:31,814 INFO L444 ceAbstractionStarter]: At program point L964(line 964) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:31,814 INFO L444 ceAbstractionStarter]: At program point L963(line 963) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:31,814 INFO L444 ceAbstractionStarter]: At program point L963-1(line 963) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:31,814 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 735 743) no Hoare annotation was computed. [2018-11-28 18:46:31,815 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 735 743) the Hoare annotation is: true [2018-11-28 18:46:31,815 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 735 743) no Hoare annotation was computed. [2018-11-28 18:46:31,815 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 799 817) the Hoare annotation is: true [2018-11-28 18:46:31,815 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 812) no Hoare annotation was computed. [2018-11-28 18:46:31,815 INFO L451 ceAbstractionStarter]: At program point L806(line 806) the Hoare annotation is: true [2018-11-28 18:46:31,815 INFO L448 ceAbstractionStarter]: For program point L808-2(lines 808 812) no Hoare annotation was computed. [2018-11-28 18:46:31,815 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 799 817) no Hoare annotation was computed. [2018-11-28 18:46:31,816 INFO L448 ceAbstractionStarter]: For program point L806-1(line 806) no Hoare annotation was computed. [2018-11-28 18:46:31,816 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 799 817) no Hoare annotation was computed. [2018-11-28 18:46:31,816 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 531 537) no Hoare annotation was computed. [2018-11-28 18:46:31,816 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 531 537) the Hoare annotation is: true [2018-11-28 18:46:31,816 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 947 956) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:31,817 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 947 956) no Hoare annotation was computed. [2018-11-28 18:46:31,817 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 947 956) no Hoare annotation was computed. [2018-11-28 18:46:31,817 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 724 734) the Hoare annotation is: true [2018-11-28 18:46:31,817 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 724 734) no Hoare annotation was computed. [2018-11-28 18:46:31,817 INFO L451 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: true [2018-11-28 18:46:31,817 INFO L448 ceAbstractionStarter]: For program point L729-1(line 729) no Hoare annotation was computed. [2018-11-28 18:46:31,817 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 724 734) no Hoare annotation was computed. [2018-11-28 18:46:31,817 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 716 723) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse1 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3))) [2018-11-28 18:46:31,817 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 716 723) no Hoare annotation was computed. [2018-11-28 18:46:31,818 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 716 723) no Hoare annotation was computed. [2018-11-28 18:46:31,818 INFO L448 ceAbstractionStarter]: For program point L673(lines 673 681) no Hoare annotation was computed. [2018-11-28 18:46:31,818 INFO L444 ceAbstractionStarter]: At program point L671(line 671) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-28 18:46:31,818 INFO L448 ceAbstractionStarter]: For program point L671-1(line 671) no Hoare annotation was computed. [2018-11-28 18:46:31,818 INFO L448 ceAbstractionStarter]: For program point L669(lines 669 686) no Hoare annotation was computed. [2018-11-28 18:46:31,818 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 665 689) no Hoare annotation was computed. [2018-11-28 18:46:31,818 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 665 689) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse0 .cse2 .cse3) (or .cse6 .cse1 .cse7 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse1 .cse3))) [2018-11-28 18:46:31,819 INFO L444 ceAbstractionStarter]: At program point L684(line 684) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse2 .cse1 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-28 18:46:31,819 INFO L448 ceAbstractionStarter]: For program point L684-1(lines 665 689) no Hoare annotation was computed. [2018-11-28 18:46:31,819 INFO L444 ceAbstractionStarter]: At program point L679(line 679) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-28 18:46:31,819 INFO L444 ceAbstractionStarter]: At program point L675(line 675) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-28 18:46:31,819 INFO L448 ceAbstractionStarter]: For program point L497(lines 497 503) no Hoare annotation was computed. [2018-11-28 18:46:31,819 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 493 506) no Hoare annotation was computed. [2018-11-28 18:46:31,819 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 493 506) the Hoare annotation is: true [2018-11-28 18:46:31,820 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 493 506) no Hoare annotation was computed. [2018-11-28 18:46:31,820 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 631 637) no Hoare annotation was computed. [2018-11-28 18:46:31,820 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 631 637) the Hoare annotation is: true [2018-11-28 18:46:31,820 INFO L448 ceAbstractionStarter]: For program point L832(lines 832 836) no Hoare annotation was computed. [2018-11-28 18:46:31,820 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 820 883) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:31,820 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 820 883) no Hoare annotation was computed. [2018-11-28 18:46:31,820 INFO L444 ceAbstractionStarter]: At program point L876(lines 829 877) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:46:31,820 INFO L448 ceAbstractionStarter]: For program point L866(lines 866 870) no Hoare annotation was computed. [2018-11-28 18:46:31,820 INFO L444 ceAbstractionStarter]: At program point L866-2(lines 860 871) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse5 .cse3) (and .cse2 .cse4 .cse5 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:46:31,821 INFO L448 ceAbstractionStarter]: For program point L831(lines 830 875) no Hoare annotation was computed. [2018-11-28 18:46:31,821 INFO L448 ceAbstractionStarter]: For program point L860(lines 860 871) no Hoare annotation was computed. [2018-11-28 18:46:31,821 INFO L444 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse5 .cse3) (and .cse2 .cse4 .cse5 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:46:31,821 INFO L448 ceAbstractionStarter]: For program point L850(lines 850 856) no Hoare annotation was computed. [2018-11-28 18:46:31,821 INFO L448 ceAbstractionStarter]: For program point L850-1(lines 850 856) no Hoare annotation was computed. [2018-11-28 18:46:31,821 INFO L444 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse5 .cse3) (not (= ~systemActive~0 1)) (and .cse4 (and (not (= ~waterLevel~0 2)) .cse0 .cse3) (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (and (<= ~waterLevel~0 1) .cse5 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:46:31,821 INFO L444 ceAbstractionStarter]: At program point L873(lines 830 875) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse2 (<= ~waterLevel~0 1)) (.cse6 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse5 .cse3) (and .cse0 .cse4 .cse6 .cse3) (not (= ~systemActive~0 1)) (and .cse2 .cse6 .cse5 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:46:31,821 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 846) no Hoare annotation was computed. [2018-11-28 18:46:31,821 INFO L448 ceAbstractionStarter]: For program point L840-1(lines 840 846) no Hoare annotation was computed. [2018-11-28 18:46:31,822 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 820 883) no Hoare annotation was computed. [2018-11-28 18:46:31,822 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 690 697) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 18:46:31,822 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 690 697) no Hoare annotation was computed. [2018-11-28 18:46:31,822 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 690 697) no Hoare annotation was computed. [2018-11-28 18:46:31,822 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 507 515) no Hoare annotation was computed. [2018-11-28 18:46:31,822 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 507 515) the Hoare annotation is: true [2018-11-28 18:46:31,822 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 507 515) no Hoare annotation was computed. [2018-11-28 18:46:31,822 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:46:31,822 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:46:31,822 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:46:31,823 INFO L444 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse1 .cse3))) [2018-11-28 18:46:31,823 INFO L448 ceAbstractionStarter]: For program point L704-1(line 704) no Hoare annotation was computed. [2018-11-28 18:46:31,823 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 699 715) no Hoare annotation was computed. [2018-11-28 18:46:31,823 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 699 715) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse1 .cse3))) [2018-11-28 18:46:31,823 INFO L444 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (and (= ~methaneLevelCritical~0 activatePump_~tmp~6) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 18:46:31,823 INFO L448 ceAbstractionStarter]: For program point L710-1(lines 699 715) no Hoare annotation was computed. [2018-11-28 18:46:31,823 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 712) no Hoare annotation was computed. [2018-11-28 18:46:31,823 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 780 798) no Hoare annotation was computed. [2018-11-28 18:46:31,823 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 780 798) the Hoare annotation is: true [2018-11-28 18:46:31,824 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 793) no Hoare annotation was computed. [2018-11-28 18:46:31,824 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 780 798) no Hoare annotation was computed. [2018-11-28 18:46:31,824 INFO L451 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: true [2018-11-28 18:46:31,824 INFO L448 ceAbstractionStarter]: For program point L789-2(lines 789 793) no Hoare annotation was computed. [2018-11-28 18:46:31,824 INFO L448 ceAbstractionStarter]: For program point L787-1(line 787) no Hoare annotation was computed. [2018-11-28 18:46:31,824 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 484 492) the Hoare annotation is: true [2018-11-28 18:46:31,824 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 484 492) no Hoare annotation was computed. [2018-11-28 18:46:31,824 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 484 492) no Hoare annotation was computed. [2018-11-28 18:46:31,824 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 440 451) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse7 (or (not (= 1 ~pumpRunning~0)) .cse4)) (.cse6 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse2 .cse4 .cse6) (or .cse3 .cse0 .cse2 .cse7) (or .cse2 .cse7 .cse6 .cse5)))) [2018-11-28 18:46:31,825 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 440 451) no Hoare annotation was computed. [2018-11-28 18:46:31,825 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 440 451) no Hoare annotation was computed. [2018-11-28 18:46:31,825 INFO L448 ceAbstractionStarter]: For program point L897(line 897) no Hoare annotation was computed. [2018-11-28 18:46:31,825 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 886 915) no Hoare annotation was computed. [2018-11-28 18:46:31,825 INFO L451 ceAbstractionStarter]: At program point L896-2(lines 896 910) the Hoare annotation is: true [2018-11-28 18:46:31,825 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 886 915) the Hoare annotation is: true [2018-11-28 18:46:31,825 INFO L451 ceAbstractionStarter]: At program point L892(line 892) the Hoare annotation is: true [2018-11-28 18:46:31,825 INFO L448 ceAbstractionStarter]: For program point L892-1(line 892) no Hoare annotation was computed. [2018-11-28 18:46:31,825 INFO L451 ceAbstractionStarter]: At program point L911(lines 886 915) the Hoare annotation is: true [2018-11-28 18:46:31,825 INFO L448 ceAbstractionStarter]: For program point L907(line 907) no Hoare annotation was computed. [2018-11-28 18:46:31,825 INFO L448 ceAbstractionStarter]: For program point L900(lines 900 904) no Hoare annotation was computed. [2018-11-28 18:46:31,826 INFO L451 ceAbstractionStarter]: At program point L900-1(lines 900 904) the Hoare annotation is: true [2018-11-28 18:46:31,826 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 607 630) the Hoare annotation is: (let ((.cse14 (= ~methaneLevelCritical~0 0)) (.cse11 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse6 (or .cse14 .cse11 .cse3)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse2 (= 1 ~waterLevel~0)) (.cse5 (< 1 |old(~waterLevel~0)|)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse12 (< 0 |old(~waterLevel~0)|)) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse13 (or .cse11 .cse3)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (and (<= ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse9 (< 2 |old(~waterLevel~0)|)) (.cse10 (not .cse14))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse8 .cse0 .cse9 .cse6) (or .cse2 .cse1 .cse3 .cse4 .cse10) (or .cse11 .cse3 .cse4 .cse10 .cse2) (or (or .cse12 .cse0 .cse1 .cse3) .cse7) (or .cse9 .cse13 .cse10 .cse8) (or .cse0 .cse11 .cse3 .cse4 .cse2) (or (or .cse5 .cse1 .cse3) .cse10 .cse7) (or .cse0 .cse1 .cse9 .cse8 .cse3) (or .cse12 .cse7 .cse13 .cse10) (or .cse1 .cse8 .cse9 .cse3 .cse10)))) [2018-11-28 18:46:31,826 INFO L444 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (let ((.cse14 (= ~methaneLevelCritical~0 0)) (.cse12 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse15 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse16 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse7 (or .cse16 .cse3)) (.cse9 (and (<= ~waterLevel~0 1) .cse15)) (.cse8 (and .cse12 (<= ~waterLevel~0 0))) (.cse11 (or .cse14 .cse16 .cse3)) (.cse6 (< 1 |old(~waterLevel~0)|)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse13 (and (<= ~waterLevel~0 2) .cse15)) (.cse10 (< 2 |old(~waterLevel~0)|)) (.cse5 (not .cse14))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse1 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse5 .cse8) (or .cse9 .cse10 .cse7 .cse5) (or .cse0 .cse9 .cse10 .cse11) (or .cse0 .cse6 .cse8 .cse11) (or (or (< 0 |old(~waterLevel~0)|) .cse0 .cse1 .cse3) .cse12) (or (or .cse6 .cse1 .cse3) .cse5 .cse12) (or .cse0 .cse1 .cse10 .cse13 .cse3) (or .cse1 .cse13 .cse10 .cse3 .cse5)))) [2018-11-28 18:46:31,826 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 607 630) no Hoare annotation was computed. [2018-11-28 18:46:31,826 INFO L444 ceAbstractionStarter]: At program point L618(lines 618 624) the Hoare annotation is: (let ((.cse12 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse17 (<= ~waterLevel~0 1)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse18 (= ~methaneLevelCritical~0 0))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse10 (<= ~waterLevel~0 0)) (.cse15 (<= ~waterLevel~0 2)) (.cse13 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not .cse18)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse9 (= 0 ~pumpRunning~0)) (.cse16 (and .cse17 .cse7)) (.cse11 (< 2 |old(~waterLevel~0)|)) (.cse14 (or .cse18 .cse12 .cse3))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse1 .cse3 .cse4 .cse5) (let ((.cse6 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (or (and .cse6 .cse7) (and .cse8 .cse9 .cse10) (and .cse6 .cse9) .cse11 (or .cse12 .cse3) .cse5 (and .cse8 .cse10 .cse7))) (or .cse0 .cse13 (and .cse8 .cse10) .cse14) (or .cse1 (and .cse15 (= ~pumpRunning~0 1)) .cse11 .cse3 .cse5 .cse16) (or .cse0 .cse13 .cse1 .cse8 .cse3) (or .cse0 .cse1 .cse11 (and .cse15 .cse7) .cse3) (or .cse13 .cse1 .cse8 .cse3 .cse5) (or .cse0 (and .cse9 .cse17) .cse16 .cse11 .cse14)))) [2018-11-28 18:46:31,827 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 607 630) no Hoare annotation was computed. [2018-11-28 18:46:31,827 INFO L444 ceAbstractionStarter]: At program point L613(line 613) the Hoare annotation is: (let ((.cse13 (= ~methaneLevelCritical~0 0)) (.cse11 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~systemActive~0 1)))) (let ((.cse2 (or .cse13 .cse11 .cse7)) (.cse1 (< 1 |old(~waterLevel~0)|)) (.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (and (<= ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse8 (or .cse11 .cse7)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse10 (= 1 ~waterLevel~0)) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse9 (not .cse13))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse5) (or .cse0 .cse6 .cse4 .cse7) (or .cse1 .cse3 .cse8 .cse9) (or .cse5 .cse4 .cse8 .cse9) (or .cse10 .cse11 .cse7 .cse12 .cse9) (or .cse0 .cse11 .cse7 .cse10 .cse12) (or .cse6 .cse4 .cse7 .cse9)))) [2018-11-28 18:46:31,827 INFO L448 ceAbstractionStarter]: For program point L611(lines 610 629) no Hoare annotation was computed. [2018-11-28 18:46:31,827 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 452 460) the Hoare annotation is: true [2018-11-28 18:46:31,827 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 452 460) no Hoare annotation was computed. [2018-11-28 18:46:31,827 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 452 460) no Hoare annotation was computed. [2018-11-28 18:46:31,827 INFO L448 ceAbstractionStarter]: For program point L576(lines 576 582) no Hoare annotation was computed. [2018-11-28 18:46:31,827 INFO L444 ceAbstractionStarter]: At program point L574(line 574) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (< 1 ~waterLevel~0)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or (= __utac_acc__Specification3_spec__1_~tmp~3 ~methaneLevelCritical~0) .cse2 .cse5 .cse3 .cse6) (or .cse4 .cse1 .cse3 .cse6) (or .cse4 .cse5 .cse3 .cse6))) [2018-11-28 18:46:31,828 INFO L448 ceAbstractionStarter]: For program point L574-1(line 574) no Hoare annotation was computed. [2018-11-28 18:46:31,828 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 557 589) no Hoare annotation was computed. [2018-11-28 18:46:31,828 INFO L448 ceAbstractionStarter]: For program point L572(lines 572 585) no Hoare annotation was computed. [2018-11-28 18:46:31,828 INFO L448 ceAbstractionStarter]: For program point L572-1(lines 557 589) no Hoare annotation was computed. [2018-11-28 18:46:31,828 INFO L444 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse5 (= __utac_acc__Specification3_spec__1_~tmp~3 ~methaneLevelCritical~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (< 1 ~waterLevel~0) .cse4 .cse3) (or .cse5 .cse2 .cse4 .cse3 .cse6) (or (< 0 ~waterLevel~0) .cse1 .cse5 .cse3 .cse6) (or .cse1 .cse5 .cse3 (not (= ~waterLevel~0 1)) .cse6))) [2018-11-28 18:46:31,828 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 557 589) the Hoare annotation is: true [2018-11-28 18:46:31,828 INFO L448 ceAbstractionStarter]: For program point L570-1(line 570) no Hoare annotation was computed. [2018-11-28 18:46:31,828 INFO L448 ceAbstractionStarter]: For program point L566(lines 566 586) no Hoare annotation was computed. [2018-11-28 18:46:31,828 INFO L451 ceAbstractionStarter]: At program point L564(line 564) the Hoare annotation is: true [2018-11-28 18:46:31,829 INFO L448 ceAbstractionStarter]: For program point L564-1(line 564) no Hoare annotation was computed. [2018-11-28 18:46:31,829 INFO L444 ceAbstractionStarter]: At program point L580(line 580) the Hoare annotation is: (let ((.cse2 (< 2 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse6 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5) (or .cse0 .cse6 .cse4 .cse3) (or .cse6 .cse1 .cse3 .cse5))) [2018-11-28 18:46:31,829 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 416 427) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (or (= ~pumpRunning~0 0) .cse5)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse4 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1)))) (and (or (<= ~waterLevel~0 2) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6 .cse2) (or .cse7 .cse0 .cse1 .cse3 .cse8) (or (< 1 |old(~waterLevel~0)|) .cse8 .cse1 .cse2 .cse3) (or .cse7 .cse1 .cse4 .cse5 .cse6)))) [2018-11-28 18:46:31,829 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 416 427) no Hoare annotation was computed. [2018-11-28 18:46:31,829 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 416 427) no Hoare annotation was computed. [2018-11-28 18:46:31,829 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 940 946) no Hoare annotation was computed. [2018-11-28 18:46:31,829 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 940 946) the Hoare annotation is: true [2018-11-28 18:46:31,829 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:46:31,829 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-11-28 18:46:31,830 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:46:31,830 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:46:31,830 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 639 663) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse0 .cse2 .cse3) (or .cse6 .cse1 .cse7 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse1 .cse3))) [2018-11-28 18:46:31,830 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 639 663) no Hoare annotation was computed. [2018-11-28 18:46:31,830 INFO L444 ceAbstractionStarter]: At program point L658(line 658) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-28 18:46:31,830 INFO L448 ceAbstractionStarter]: For program point L658-1(lines 639 663) no Hoare annotation was computed. [2018-11-28 18:46:31,830 INFO L444 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: (let ((.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (< 2 ~waterLevel~0)) (.cse2 (<= ~waterLevel~0 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse8 (< 1 ~waterLevel~0)) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 .cse5 .cse6) (or (or (< 0 ~waterLevel~0) .cse7 .cse0 .cse5) .cse1) (or .cse8 .cse9 .cse5 .cse6) (or .cse7 .cse0 .cse5 .cse1 (not (= ~waterLevel~0 1))) (or .cse7 .cse0 .cse4 .cse5 (and .cse2 .cse3)) (or .cse7 .cse8 .cse9 .cse5))) [2018-11-28 18:46:31,831 INFO L444 ceAbstractionStarter]: At program point L649(line 649) the Hoare annotation is: (let ((.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= processEnvironment__wrappee__highWaterSensor_~tmp~4 1) .cse9)) (.cse2 (< 2 ~waterLevel~0)) (.cse5 (and (<= ~waterLevel~0 1) .cse9)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse3 .cse4) (or .cse8 .cse6 .cse7 .cse3) (or .cse8 .cse1 .cse0 .cse2 .cse5 .cse3)))) [2018-11-28 18:46:31,831 INFO L448 ceAbstractionStarter]: For program point L647(lines 647 655) no Hoare annotation was computed. [2018-11-28 18:46:31,831 INFO L444 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse2 .cse1 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-28 18:46:31,831 INFO L448 ceAbstractionStarter]: For program point L645-1(line 645) no Hoare annotation was computed. [2018-11-28 18:46:31,831 INFO L448 ceAbstractionStarter]: For program point L643(lines 643 660) no Hoare annotation was computed. [2018-11-28 18:46:31,831 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 428 439) no Hoare annotation was computed. [2018-11-28 18:46:31,831 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 428 439) no Hoare annotation was computed. [2018-11-28 18:46:31,831 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 428 439) the Hoare annotation is: (let ((.cse1 (< 2 |old(~waterLevel~0)|)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse7 (< 1 |old(~waterLevel~0)|)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 (<= ~waterLevel~0 2) .cse3) (or (or .cse7 .cse6 .cse3) .cse4 (<= ~waterLevel~0 1)) (or .cse0 (or (< 0 |old(~waterLevel~0)|) .cse6 .cse3 .cse4)) (or .cse0 (or .cse5 .cse7 .cse6 .cse3)) (or .cse5 .cse7 (or .cse2 .cse3) .cse0))) [2018-11-28 18:46:31,832 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 591 598) no Hoare annotation was computed. [2018-11-28 18:46:31,832 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 595) no Hoare annotation was computed. [2018-11-28 18:46:31,832 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 591 598) the Hoare annotation is: true [2018-11-28 18:46:31,832 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 591 598) no Hoare annotation was computed. [2018-11-28 18:46:31,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:46:31 BoogieIcfgContainer [2018-11-28 18:46:31,847 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:46:31,847 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:46:31,847 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:46:31,847 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:46:31,848 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:45:53" (3/4) ... [2018-11-28 18:46:31,852 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:46:31,859 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:46:31,859 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:46:31,859 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:46:31,859 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:46:31,859 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 18:46:31,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:46:31,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:46:31,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 18:46:31,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:46:31,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:46:31,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 18:46:31,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:46:31,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:46:31,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:46:31,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 18:46:31,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:46:31,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 18:46:31,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 18:46:31,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 18:46:31,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:46:31,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:46:31,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:46:31,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:46:31,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-28 18:46:31,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:46:31,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:46:31,862 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:46:31,862 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:46:31,862 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:46:31,872 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-28 18:46:31,873 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 18:46:31,874 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 18:46:31,875 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:46:31,875 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:46:31,876 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:46:31,913 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0) || (((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || (((waterLevel <= 1 && pumpRunning == 1) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:46:31,913 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:46:32,018 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:46:32,018 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:46:32,019 INFO L168 Benchmark]: Toolchain (without parser) took 41210.83 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 469.2 MB). Free memory was 952.7 MB in the beginning and 1.2 GB in the end (delta: -245.5 MB). Peak memory consumption was 223.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:32,021 INFO L168 Benchmark]: CDTParser took 0.17 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 18:46:32,021 INFO L168 Benchmark]: CACSL2BoogieTranslator took 794.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -169.8 MB). Peak memory consumption was 44.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:32,022 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:32,023 INFO L168 Benchmark]: Boogie Preprocessor took 86.76 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 18:46:32,023 INFO L168 Benchmark]: RCFGBuilder took 1269.68 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: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:32,023 INFO L168 Benchmark]: TraceAbstraction took 38814.68 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 340.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -149.1 MB). Peak memory consumption was 607.3 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:32,024 INFO L168 Benchmark]: Witness Printer took 171.32 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:32,029 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 794.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -169.8 MB). Peak memory consumption was 44.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 68.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 86.76 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 1269.68 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: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 38814.68 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 340.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -149.1 MB). Peak memory consumption was 607.3 MB. Max. memory is 11.5 GB. * Witness Printer took 171.32 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 595]: 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: 886]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: (((((((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0) || (((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || (((waterLevel <= 1 && pumpRunning == 1) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 159 locations, 1 error locations. SAFE Result, 38.7s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 18.8s AutomataDifference, 0.0s DeadEndRemovalTime, 11.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2527 SDtfs, 2418 SDslu, 9368 SDs, 0 SdLazy, 6175 SolverSat, 1215 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 591 GetRequests, 443 SyntacticMatches, 2 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 585 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1234occurred in iteration=12, 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: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 326 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 3379 PreInvPairs, 3913 NumberOfFragments, 3096 HoareAnnotationTreeSize, 3379 FomulaSimplifications, 19541 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 65 FomulaSimplificationsInter, 30624 FormulaSimplificationTreeSizeReductionInter, 10.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 1592 NumberOfCodeBlocks, 1592 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1576 ConstructedInterpolants, 0 QuantifiedInterpolants, 303641 SizeOfPredicates, 20 NumberOfNonLiveVariables, 2446 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 114/132 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...