./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec2_product52_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_spec2_product52_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 8aa13c479cead5ea7576ebfa7eb0df26504503d1 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:44:36,873 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:44:36,875 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:44:36,888 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:44:36,888 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:44:36,889 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:44:36,891 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:44:36,894 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:44:36,896 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:44:36,897 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:44:36,898 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:44:36,898 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:44:36,899 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:44:36,900 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:44:36,902 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:44:36,903 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:44:36,904 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:44:36,906 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:44:36,908 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:44:36,910 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:44:36,911 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:44:36,913 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:44:36,916 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:44:36,916 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:44:36,916 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:44:36,917 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:44:36,919 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:44:36,921 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:44:36,923 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:44:36,924 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:44:36,925 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:44:36,925 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:44:36,926 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:44:36,926 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:44:36,927 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:44:36,928 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:44:36,928 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:44:36,943 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:44:36,944 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:44:36,944 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:44:36,945 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:44:36,945 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:44:36,946 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:44:36,946 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:44:36,946 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:44:36,946 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:44:36,947 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:44:36,947 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:44:36,947 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:44:36,947 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:44:36,947 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:44:36,948 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:44:36,948 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:44:36,948 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:44:36,948 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:44:36,949 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:44:36,949 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:44:36,949 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:44:36,949 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:44:36,950 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:44:36,950 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:44:36,950 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:44:36,950 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:44:36,951 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:44:36,951 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:44:36,951 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:44:36,951 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:44:36,952 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 -> 8aa13c479cead5ea7576ebfa7eb0df26504503d1 [2018-11-28 18:44:36,999 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:44:37,016 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:44:37,020 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:44:37,022 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:44:37,022 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:44:37,023 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec2_product52_true-unreach-call_false-termination.cil.c [2018-11-28 18:44:37,103 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4b740593/275268fad9334f769af51811e7deac64/FLAGc2c3db02c [2018-11-28 18:44:37,628 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:44:37,629 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec2_product52_true-unreach-call_false-termination.cil.c [2018-11-28 18:44:37,646 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4b740593/275268fad9334f769af51811e7deac64/FLAGc2c3db02c [2018-11-28 18:44:37,924 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4b740593/275268fad9334f769af51811e7deac64 [2018-11-28 18:44:37,928 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:44:37,930 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:44:37,931 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:44:37,931 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:44:37,936 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:44:37,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:44:37" (1/1) ... [2018-11-28 18:44:37,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71aa32a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:37, skipping insertion in model container [2018-11-28 18:44:37,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:44:37" (1/1) ... [2018-11-28 18:44:37,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:44:38,017 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:44:38,430 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:44:38,460 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:44:38,577 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:44:38,726 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:44:38,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:38 WrapperNode [2018-11-28 18:44:38,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:44:38,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:44:38,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:44:38,729 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:44:38,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:38" (1/1) ... [2018-11-28 18:44:38,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:38" (1/1) ... [2018-11-28 18:44:38,781 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:44:38,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:44:38,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:44:38,782 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:44:38,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:38" (1/1) ... [2018-11-28 18:44:38,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:38" (1/1) ... [2018-11-28 18:44:38,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:38" (1/1) ... [2018-11-28 18:44:38,799 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:38" (1/1) ... [2018-11-28 18:44:38,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:38" (1/1) ... [2018-11-28 18:44:38,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:38" (1/1) ... [2018-11-28 18:44:38,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:38" (1/1) ... [2018-11-28 18:44:38,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:44:38,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:44:38,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:44:38,855 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:44:38,856 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:38" (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 18:44:38,931 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:44:38,933 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:44:38,933 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:44:38,934 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:44:38,934 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 18:44:38,934 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 18:44:38,934 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 18:44:38,935 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 18:44:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:44:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:44:38,935 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:44:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 18:44:38,935 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 18:44:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:44:38,938 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:44:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:44:38,938 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:44:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:44:38,938 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:44:38,939 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 18:44:38,940 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 18:44:38,940 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:44:38,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:44:38,940 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:44:38,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:44:38,940 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 18:44:38,941 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 18:44:38,941 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 18:44:38,941 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 18:44:38,941 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:44:38,941 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:44:38,941 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:44:38,941 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:44:38,943 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:44:38,943 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:44:38,943 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:44:38,944 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:44:38,944 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:44:38,944 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:44:38,944 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 18:44:38,945 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 18:44:38,945 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:44:38,945 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:44:38,945 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:44:38,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:44:38,946 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:44:38,946 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:44:38,946 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:44:38,946 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:44:38,946 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:44:38,946 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:44:38,948 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:44:38,948 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:44:38,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:44:38,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:44:38,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:44:38,949 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:44:38,949 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:44:38,949 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:44:38,949 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:44:38,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:44:38,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:44:40,053 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:44:40,053 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:44:40,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:44:40 BoogieIcfgContainer [2018-11-28 18:44:40,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:44:40,055 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:44:40,055 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:44:40,059 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:44:40,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:44:37" (1/3) ... [2018-11-28 18:44:40,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17720106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:44:40, skipping insertion in model container [2018-11-28 18:44:40,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:38" (2/3) ... [2018-11-28 18:44:40,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17720106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:44:40, skipping insertion in model container [2018-11-28 18:44:40,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:44:40" (3/3) ... [2018-11-28 18:44:40,063 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product52_true-unreach-call_false-termination.cil.c [2018-11-28 18:44:40,075 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:44:40,086 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:44:40,106 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:44:40,144 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:44:40,145 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:44:40,145 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:44:40,145 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:44:40,145 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:44:40,145 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:44:40,145 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:44:40,146 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:44:40,146 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:44:40,173 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states. [2018-11-28 18:44:40,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 18:44:40,184 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:40,186 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:44:40,189 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:40,196 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:40,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1920948465, now seen corresponding path program 1 times [2018-11-28 18:44:40,198 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:40,199 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:40,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:40,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:40,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:40,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:40,574 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 18:44:40,577 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:40,577 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:44:40,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:44:40,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:44:40,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:44:40,601 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 2 states. [2018-11-28 18:44:40,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:40,659 INFO L93 Difference]: Finished difference Result 282 states and 349 transitions. [2018-11-28 18:44:40,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:44:40,661 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-28 18:44:40,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:40,678 INFO L225 Difference]: With dead ends: 282 [2018-11-28 18:44:40,678 INFO L226 Difference]: Without dead ends: 143 [2018-11-28 18:44:40,684 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 18:44:40,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-11-28 18:44:40,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-11-28 18:44:40,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-11-28 18:44:40,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2018-11-28 18:44:40,772 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 51 [2018-11-28 18:44:40,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:40,772 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2018-11-28 18:44:40,773 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:44:40,773 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2018-11-28 18:44:40,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:44:40,778 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:40,778 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 18:44:40,779 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:40,780 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:40,780 INFO L82 PathProgramCache]: Analyzing trace with hash 144578230, now seen corresponding path program 1 times [2018-11-28 18:44:40,780 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:40,781 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:40,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:40,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:40,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:40,994 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 18:44:40,995 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:40,995 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:44:40,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:44:40,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:44:40,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:44:40,998 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand 3 states. [2018-11-28 18:44:41,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:41,035 INFO L93 Difference]: Finished difference Result 221 states and 259 transitions. [2018-11-28 18:44:41,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:44:41,036 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-28 18:44:41,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:41,039 INFO L225 Difference]: With dead ends: 221 [2018-11-28 18:44:41,039 INFO L226 Difference]: Without dead ends: 134 [2018-11-28 18:44:41,041 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 18:44:41,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-11-28 18:44:41,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-11-28 18:44:41,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-11-28 18:44:41,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 156 transitions. [2018-11-28 18:44:41,058 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 156 transitions. Word has length 52 [2018-11-28 18:44:41,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:41,059 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 156 transitions. [2018-11-28 18:44:41,059 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:44:41,059 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 156 transitions. [2018-11-28 18:44:41,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 18:44:41,062 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:41,062 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 18:44:41,062 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:41,062 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:41,063 INFO L82 PathProgramCache]: Analyzing trace with hash -373686663, now seen corresponding path program 1 times [2018-11-28 18:44:41,063 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:41,063 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:41,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:41,064 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:41,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:41,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:41,280 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 18:44:41,281 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:41,281 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:44:41,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:44:41,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:44:41,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:44:41,282 INFO L87 Difference]: Start difference. First operand 134 states and 156 transitions. Second operand 7 states. [2018-11-28 18:44:42,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:42,941 INFO L93 Difference]: Finished difference Result 397 states and 482 transitions. [2018-11-28 18:44:42,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:44:42,942 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-28 18:44:42,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:42,947 INFO L225 Difference]: With dead ends: 397 [2018-11-28 18:44:42,947 INFO L226 Difference]: Without dead ends: 291 [2018-11-28 18:44:42,949 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:44:42,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2018-11-28 18:44:42,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 279. [2018-11-28 18:44:42,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2018-11-28 18:44:43,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 338 transitions. [2018-11-28 18:44:43,001 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 338 transitions. Word has length 57 [2018-11-28 18:44:43,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:43,006 INFO L480 AbstractCegarLoop]: Abstraction has 279 states and 338 transitions. [2018-11-28 18:44:43,006 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:44:43,006 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 338 transitions. [2018-11-28 18:44:43,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-28 18:44:43,013 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:43,013 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] [2018-11-28 18:44:43,014 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:43,014 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:43,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1373126477, now seen corresponding path program 1 times [2018-11-28 18:44:43,014 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:43,014 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:43,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:43,015 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:43,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:43,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:43,276 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 18:44:43,277 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:43,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:44:43,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:44:43,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:44:43,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:44:43,278 INFO L87 Difference]: Start difference. First operand 279 states and 338 transitions. Second operand 6 states. [2018-11-28 18:44:43,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:43,736 INFO L93 Difference]: Finished difference Result 763 states and 948 transitions. [2018-11-28 18:44:43,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:44:43,737 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-11-28 18:44:43,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:43,742 INFO L225 Difference]: With dead ends: 763 [2018-11-28 18:44:43,743 INFO L226 Difference]: Without dead ends: 512 [2018-11-28 18:44:43,746 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:44:43,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2018-11-28 18:44:43,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 506. [2018-11-28 18:44:43,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 506 states. [2018-11-28 18:44:43,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 616 transitions. [2018-11-28 18:44:43,808 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 616 transitions. Word has length 62 [2018-11-28 18:44:43,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:43,809 INFO L480 AbstractCegarLoop]: Abstraction has 506 states and 616 transitions. [2018-11-28 18:44:43,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:44:43,809 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 616 transitions. [2018-11-28 18:44:43,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-28 18:44:43,812 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:43,812 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] [2018-11-28 18:44:43,812 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:43,813 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:43,813 INFO L82 PathProgramCache]: Analyzing trace with hash 245736361, now seen corresponding path program 1 times [2018-11-28 18:44:43,813 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:43,813 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:43,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:43,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:43,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:44,107 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 18:44:44,108 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:44,108 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:44:44,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:44:44,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:44:44,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:44:44,109 INFO L87 Difference]: Start difference. First operand 506 states and 616 transitions. Second operand 7 states. [2018-11-28 18:44:45,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:45,600 INFO L93 Difference]: Finished difference Result 1311 states and 1718 transitions. [2018-11-28 18:44:45,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 18:44:45,602 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-28 18:44:45,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:45,609 INFO L225 Difference]: With dead ends: 1311 [2018-11-28 18:44:45,609 INFO L226 Difference]: Without dead ends: 833 [2018-11-28 18:44:45,612 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:44:45,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2018-11-28 18:44:45,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 735. [2018-11-28 18:44:45,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2018-11-28 18:44:45,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 891 transitions. [2018-11-28 18:44:45,703 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 891 transitions. Word has length 66 [2018-11-28 18:44:45,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:45,703 INFO L480 AbstractCegarLoop]: Abstraction has 735 states and 891 transitions. [2018-11-28 18:44:45,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:44:45,704 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 891 transitions. [2018-11-28 18:44:45,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-28 18:44:45,708 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:45,708 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, 1] [2018-11-28 18:44:45,708 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:45,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:45,708 INFO L82 PathProgramCache]: Analyzing trace with hash -1656133436, now seen corresponding path program 1 times [2018-11-28 18:44:45,709 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:45,709 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:45,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:45,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:45,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:46,072 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 18:44:46,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:46,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:44:46,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:44:46,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:44:46,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:44:46,073 INFO L87 Difference]: Start difference. First operand 735 states and 891 transitions. Second operand 6 states. [2018-11-28 18:44:46,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:46,199 INFO L93 Difference]: Finished difference Result 1462 states and 1804 transitions. [2018-11-28 18:44:46,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:44:46,204 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-28 18:44:46,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:46,210 INFO L225 Difference]: With dead ends: 1462 [2018-11-28 18:44:46,210 INFO L226 Difference]: Without dead ends: 755 [2018-11-28 18:44:46,214 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:44:46,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2018-11-28 18:44:46,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 755. [2018-11-28 18:44:46,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2018-11-28 18:44:46,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 911 transitions. [2018-11-28 18:44:46,271 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 911 transitions. Word has length 89 [2018-11-28 18:44:46,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:46,272 INFO L480 AbstractCegarLoop]: Abstraction has 755 states and 911 transitions. [2018-11-28 18:44:46,272 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:44:46,272 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 911 transitions. [2018-11-28 18:44:46,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-28 18:44:46,275 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:46,276 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, 1] [2018-11-28 18:44:46,276 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:46,277 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:46,277 INFO L82 PathProgramCache]: Analyzing trace with hash -954533562, now seen corresponding path program 1 times [2018-11-28 18:44:46,277 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:46,277 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:46,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:46,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:46,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:47,006 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 18:44:47,006 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:47,006 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 18:44:47,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 18:44:47,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 18:44:47,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:44:47,007 INFO L87 Difference]: Start difference. First operand 755 states and 911 transitions. Second operand 8 states. [2018-11-28 18:44:47,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:47,220 INFO L93 Difference]: Finished difference Result 1510 states and 1882 transitions. [2018-11-28 18:44:47,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:44:47,221 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2018-11-28 18:44:47,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:47,227 INFO L225 Difference]: With dead ends: 1510 [2018-11-28 18:44:47,227 INFO L226 Difference]: Without dead ends: 783 [2018-11-28 18:44:47,231 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:44:47,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2018-11-28 18:44:47,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 771. [2018-11-28 18:44:47,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2018-11-28 18:44:47,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 927 transitions. [2018-11-28 18:44:47,282 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 927 transitions. Word has length 89 [2018-11-28 18:44:47,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:47,283 INFO L480 AbstractCegarLoop]: Abstraction has 771 states and 927 transitions. [2018-11-28 18:44:47,283 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 18:44:47,283 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 927 transitions. [2018-11-28 18:44:47,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-28 18:44:47,287 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:47,287 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, 1] [2018-11-28 18:44:47,287 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:47,287 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:47,288 INFO L82 PathProgramCache]: Analyzing trace with hash 770947335, now seen corresponding path program 1 times [2018-11-28 18:44:47,289 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:47,289 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:47,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:47,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:47,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:47,601 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-11-28 18:44:47,611 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 18:44:47,611 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:47,611 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 18:44:47,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 18:44:47,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 18:44:47,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:44:47,613 INFO L87 Difference]: Start difference. First operand 771 states and 927 transitions. Second operand 4 states. [2018-11-28 18:44:49,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:49,044 INFO L93 Difference]: Finished difference Result 2501 states and 3154 transitions. [2018-11-28 18:44:49,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 18:44:49,046 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2018-11-28 18:44:49,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:49,059 INFO L225 Difference]: With dead ends: 2501 [2018-11-28 18:44:49,059 INFO L226 Difference]: Without dead ends: 1758 [2018-11-28 18:44:49,063 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:44:49,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1758 states. [2018-11-28 18:44:49,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1758 to 1727. [2018-11-28 18:44:49,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1727 states. [2018-11-28 18:44:49,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 1727 states and 2127 transitions. [2018-11-28 18:44:49,191 INFO L78 Accepts]: Start accepts. Automaton has 1727 states and 2127 transitions. Word has length 89 [2018-11-28 18:44:49,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:49,191 INFO L480 AbstractCegarLoop]: Abstraction has 1727 states and 2127 transitions. [2018-11-28 18:44:49,191 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 18:44:49,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1727 states and 2127 transitions. [2018-11-28 18:44:49,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-28 18:44:49,198 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:49,198 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, 1, 1, 1, 1, 1] [2018-11-28 18:44:49,198 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:49,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:49,199 INFO L82 PathProgramCache]: Analyzing trace with hash 2014022541, now seen corresponding path program 1 times [2018-11-28 18:44:49,199 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:49,199 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:49,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:49,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:49,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:49,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:49,325 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 18:44:49,325 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:49,325 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:44:49,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:44:49,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:44:49,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:44:49,328 INFO L87 Difference]: Start difference. First operand 1727 states and 2127 transitions. Second operand 3 states. [2018-11-28 18:44:49,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:49,544 INFO L93 Difference]: Finished difference Result 2742 states and 3481 transitions. [2018-11-28 18:44:49,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:44:49,547 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2018-11-28 18:44:49,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:49,569 INFO L225 Difference]: With dead ends: 2742 [2018-11-28 18:44:49,569 INFO L226 Difference]: Without dead ends: 2739 [2018-11-28 18:44:49,572 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 18:44:49,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2739 states. [2018-11-28 18:44:49,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2739 to 2553. [2018-11-28 18:44:49,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2553 states. [2018-11-28 18:44:49,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2553 states to 2553 states and 3253 transitions. [2018-11-28 18:44:49,802 INFO L78 Accepts]: Start accepts. Automaton has 2553 states and 3253 transitions. Word has length 93 [2018-11-28 18:44:49,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:49,804 INFO L480 AbstractCegarLoop]: Abstraction has 2553 states and 3253 transitions. [2018-11-28 18:44:49,805 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:44:49,805 INFO L276 IsEmpty]: Start isEmpty. Operand 2553 states and 3253 transitions. [2018-11-28 18:44:49,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-28 18:44:49,820 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:49,821 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:44:49,821 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:49,821 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:49,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1445410561, now seen corresponding path program 1 times [2018-11-28 18:44:49,821 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:49,823 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:49,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:49,825 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:49,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:49,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:50,385 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-28 18:44:50,386 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:44:50,386 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 18:44:50,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:50,588 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:44:50,823 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:44:50,859 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:44:50,859 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-11-28 18:44:50,860 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 18:44:50,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 18:44:50,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:44:50,861 INFO L87 Difference]: Start difference. First operand 2553 states and 3253 transitions. Second operand 8 states. [2018-11-28 18:44:52,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:52,195 INFO L93 Difference]: Finished difference Result 4603 states and 5944 transitions. [2018-11-28 18:44:52,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:44:52,197 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2018-11-28 18:44:52,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:52,214 INFO L225 Difference]: With dead ends: 4603 [2018-11-28 18:44:52,214 INFO L226 Difference]: Without dead ends: 2402 [2018-11-28 18:44:52,224 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:44:52,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2402 states. [2018-11-28 18:44:52,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2402 to 1757. [2018-11-28 18:44:52,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1757 states. [2018-11-28 18:44:52,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1757 states to 1757 states and 2029 transitions. [2018-11-28 18:44:52,393 INFO L78 Accepts]: Start accepts. Automaton has 1757 states and 2029 transitions. Word has length 152 [2018-11-28 18:44:52,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:52,393 INFO L480 AbstractCegarLoop]: Abstraction has 1757 states and 2029 transitions. [2018-11-28 18:44:52,393 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 18:44:52,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1757 states and 2029 transitions. [2018-11-28 18:44:52,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-28 18:44:52,403 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:52,403 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-28 18:44:52,405 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:52,405 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:52,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1061919363, now seen corresponding path program 1 times [2018-11-28 18:44:52,405 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:52,405 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:52,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:52,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:52,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:52,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:52,800 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-28 18:44:52,801 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:44:52,801 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 18:44:52,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:52,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:52,992 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:44:53,313 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:44:53,343 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:44:53,343 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2018-11-28 18:44:53,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:44:53,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:44:53,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:44:53,345 INFO L87 Difference]: Start difference. First operand 1757 states and 2029 transitions. Second operand 7 states. [2018-11-28 18:44:58,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:58,885 INFO L93 Difference]: Finished difference Result 4069 states and 5041 transitions. [2018-11-28 18:44:58,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:44:58,886 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 154 [2018-11-28 18:44:58,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:58,906 INFO L225 Difference]: With dead ends: 4069 [2018-11-28 18:44:58,906 INFO L226 Difference]: Without dead ends: 2664 [2018-11-28 18:44:58,913 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:44:58,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2664 states. [2018-11-28 18:44:59,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2664 to 2388. [2018-11-28 18:44:59,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2388 states. [2018-11-28 18:44:59,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2388 states to 2388 states and 2807 transitions. [2018-11-28 18:44:59,148 INFO L78 Accepts]: Start accepts. Automaton has 2388 states and 2807 transitions. Word has length 154 [2018-11-28 18:44:59,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:59,149 INFO L480 AbstractCegarLoop]: Abstraction has 2388 states and 2807 transitions. [2018-11-28 18:44:59,149 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:44:59,150 INFO L276 IsEmpty]: Start isEmpty. Operand 2388 states and 2807 transitions. [2018-11-28 18:44:59,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-28 18:44:59,157 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:59,157 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-28 18:44:59,157 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:59,158 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:59,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1415007745, now seen corresponding path program 1 times [2018-11-28 18:44:59,158 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:59,158 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:59,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:59,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:59,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:59,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:59,540 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-28 18:44:59,541 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:44:59,541 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 18:44:59,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:59,691 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:44:59,843 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:44:59,870 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:44:59,870 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 14 [2018-11-28 18:44:59,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 18:44:59,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 18:44:59,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-11-28 18:44:59,873 INFO L87 Difference]: Start difference. First operand 2388 states and 2807 transitions. Second operand 14 states. [2018-11-28 18:45:03,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:03,496 INFO L93 Difference]: Finished difference Result 6988 states and 9203 transitions. [2018-11-28 18:45:03,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-28 18:45:03,503 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 154 [2018-11-28 18:45:03,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:03,534 INFO L225 Difference]: With dead ends: 6988 [2018-11-28 18:45:03,534 INFO L226 Difference]: Without dead ends: 4964 [2018-11-28 18:45:03,543 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=145, Invalid=557, Unknown=0, NotChecked=0, Total=702 [2018-11-28 18:45:03,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4964 states. [2018-11-28 18:45:03,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4964 to 3955. [2018-11-28 18:45:03,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3955 states. [2018-11-28 18:45:03,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3955 states to 3955 states and 4721 transitions. [2018-11-28 18:45:03,900 INFO L78 Accepts]: Start accepts. Automaton has 3955 states and 4721 transitions. Word has length 154 [2018-11-28 18:45:03,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:03,902 INFO L480 AbstractCegarLoop]: Abstraction has 3955 states and 4721 transitions. [2018-11-28 18:45:03,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 18:45:03,902 INFO L276 IsEmpty]: Start isEmpty. Operand 3955 states and 4721 transitions. [2018-11-28 18:45:03,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-28 18:45:03,909 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:03,910 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-28 18:45:03,910 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:03,910 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:03,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1342621187, now seen corresponding path program 1 times [2018-11-28 18:45:03,912 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:03,912 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:03,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:03,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:03,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:04,827 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-28 18:45:04,827 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:04,828 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 18:45:04,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 18:45:04,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 18:45:04,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:45:04,830 INFO L87 Difference]: Start difference. First operand 3955 states and 4721 transitions. Second operand 9 states. [2018-11-28 18:45:05,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:05,586 INFO L93 Difference]: Finished difference Result 5141 states and 6124 transitions. [2018-11-28 18:45:05,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 18:45:05,587 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 154 [2018-11-28 18:45:05,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:05,596 INFO L225 Difference]: With dead ends: 5141 [2018-11-28 18:45:05,596 INFO L226 Difference]: Without dead ends: 1550 [2018-11-28 18:45:05,607 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:45:05,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1550 states. [2018-11-28 18:45:05,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1550 to 1488. [2018-11-28 18:45:05,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1488 states. [2018-11-28 18:45:05,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1488 states and 1718 transitions. [2018-11-28 18:45:05,720 INFO L78 Accepts]: Start accepts. Automaton has 1488 states and 1718 transitions. Word has length 154 [2018-11-28 18:45:05,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:05,721 INFO L480 AbstractCegarLoop]: Abstraction has 1488 states and 1718 transitions. [2018-11-28 18:45:05,721 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 18:45:05,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 1718 transitions. [2018-11-28 18:45:05,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-28 18:45:05,728 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:05,728 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:05,728 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:05,729 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:05,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1287265758, now seen corresponding path program 1 times [2018-11-28 18:45:05,729 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:05,729 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:05,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:05,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:05,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:05,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:05,841 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-28 18:45:05,842 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:05,842 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:45:05,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:45:05,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:45:05,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:45:05,844 INFO L87 Difference]: Start difference. First operand 1488 states and 1718 transitions. Second operand 3 states. [2018-11-28 18:45:05,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:05,990 INFO L93 Difference]: Finished difference Result 2370 states and 2755 transitions. [2018-11-28 18:45:05,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:45:05,991 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2018-11-28 18:45:05,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:05,993 INFO L225 Difference]: With dead ends: 2370 [2018-11-28 18:45:05,994 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:45:06,000 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 18:45:06,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:45:06,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:45:06,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:45:06,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:45:06,001 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2018-11-28 18:45:06,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:06,001 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:45:06,001 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:45:06,002 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:45:06,002 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:45:06,010 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:45:06,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:06,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:06,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:06,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:06,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:06,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:06,365 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 95 [2018-11-28 18:45:06,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:06,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:06,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:06,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:06,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:06,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:06,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:06,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:06,520 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 66 [2018-11-28 18:45:06,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:06,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:06,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:06,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,126 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 106 [2018-11-28 18:45:07,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,590 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 72 [2018-11-28 18:45:07,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:07,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:09,405 WARN L180 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 61 DAG size of output: 23 [2018-11-28 18:45:09,994 WARN L180 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 46 [2018-11-28 18:45:10,102 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 20 [2018-11-28 18:45:10,792 WARN L180 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 38 [2018-11-28 18:45:11,201 WARN L180 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 31 [2018-11-28 18:45:11,793 WARN L180 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 43 [2018-11-28 18:45:11,907 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 23 [2018-11-28 18:45:12,166 WARN L180 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 36 [2018-11-28 18:45:12,540 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 28 [2018-11-28 18:45:12,675 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 31 [2018-11-28 18:45:13,311 WARN L180 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 43 [2018-11-28 18:45:13,760 WARN L180 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 52 [2018-11-28 18:45:14,110 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 38 [2018-11-28 18:45:14,344 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 35 [2018-11-28 18:45:14,509 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 27 [2018-11-28 18:45:14,921 WARN L180 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2018-11-28 18:45:15,200 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 30 [2018-11-28 18:45:15,457 WARN L180 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 34 [2018-11-28 18:45:15,820 WARN L180 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 38 [2018-11-28 18:45:16,001 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 27 [2018-11-28 18:45:17,733 WARN L180 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 81 DAG size of output: 41 [2018-11-28 18:45:17,736 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 504 510) the Hoare annotation is: true [2018-11-28 18:45:17,737 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 504 510) no Hoare annotation was computed. [2018-11-28 18:45:17,737 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 511 519) no Hoare annotation was computed. [2018-11-28 18:45:17,737 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 511 519) the Hoare annotation is: true [2018-11-28 18:45:17,737 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 511 519) no Hoare annotation was computed. [2018-11-28 18:45:17,737 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 422 444) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 18:45:17,737 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 422 444) no Hoare annotation was computed. [2018-11-28 18:45:17,737 INFO L444 ceAbstractionStarter]: At program point L434(line 434) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= main_~tmp~5 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:17,738 INFO L444 ceAbstractionStarter]: At program point L434-1(line 434) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= main_~tmp~5 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:17,738 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 439) no Hoare annotation was computed. [2018-11-28 18:45:17,763 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 432 439) no Hoare annotation was computed. [2018-11-28 18:45:17,763 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-28 18:45:17,763 INFO L444 ceAbstractionStarter]: At program point L429(line 429) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 18:45:17,764 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 422 444) no Hoare annotation was computed. [2018-11-28 18:45:17,765 INFO L444 ceAbstractionStarter]: At program point L428(line 428) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 18:45:17,765 INFO L444 ceAbstractionStarter]: At program point L428-1(line 428) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 18:45:17,765 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 321 335) no Hoare annotation was computed. [2018-11-28 18:45:17,765 INFO L444 ceAbstractionStarter]: At program point L327(line 327) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (< ~waterLevel~0 2))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (= |old(~systemActive~0)| 0) .cse2 (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse0 .cse1) .cse2))) [2018-11-28 18:45:17,766 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 321 335) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (let ((.cse3 (or .cse0 .cse2)) (.cse6 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (= |old(~systemActive~0)| 0)) (.cse4 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse1 .cse3 .cse4) (or (not .cse5) (< ~waterLevel~0 1) .cse3 .cse6) (or (and (not .cse6) .cse1) (or .cse5 .cse4 (not (= 1 |old(~pumpRunning~0)|))))))) [2018-11-28 18:45:17,766 INFO L448 ceAbstractionStarter]: For program point L325(lines 325 331) no Hoare annotation was computed. [2018-11-28 18:45:17,766 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 321 335) no Hoare annotation was computed. [2018-11-28 18:45:17,766 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 238 246) no Hoare annotation was computed. [2018-11-28 18:45:17,766 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 238 246) the Hoare annotation is: true [2018-11-28 18:45:17,766 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 238 246) no Hoare annotation was computed. [2018-11-28 18:45:17,766 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 302 320) the Hoare annotation is: true [2018-11-28 18:45:17,766 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 315) no Hoare annotation was computed. [2018-11-28 18:45:17,766 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 302 320) no Hoare annotation was computed. [2018-11-28 18:45:17,766 INFO L451 ceAbstractionStarter]: At program point L309(line 309) the Hoare annotation is: true [2018-11-28 18:45:17,766 INFO L448 ceAbstractionStarter]: For program point L311-2(lines 311 315) no Hoare annotation was computed. [2018-11-28 18:45:17,767 INFO L448 ceAbstractionStarter]: For program point L309-1(line 309) no Hoare annotation was computed. [2018-11-28 18:45:17,768 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 302 320) no Hoare annotation was computed. [2018-11-28 18:45:17,768 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 497 503) no Hoare annotation was computed. [2018-11-28 18:45:17,768 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 497 503) the Hoare annotation is: true [2018-11-28 18:45:17,769 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 408 418) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 18:45:17,769 INFO L444 ceAbstractionStarter]: At program point L413(line 413) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 18:45:17,769 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 408 418) no Hoare annotation was computed. [2018-11-28 18:45:17,769 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 408 418) no Hoare annotation was computed. [2018-11-28 18:45:17,769 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 219 226) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 1 |old(~pumpRunning~0)|)))) (and (or (or (< ~waterLevel~0 1) .cse0 (not (= ~systemActive~0 1))) .cse1) (or .cse1 (or (= ~systemActive~0 0) (< ~waterLevel~0 2) .cse0)))) [2018-11-28 18:45:17,769 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 219 226) no Hoare annotation was computed. [2018-11-28 18:45:17,769 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 219 226) no Hoare annotation was computed. [2018-11-28 18:45:17,769 INFO L448 ceAbstractionStarter]: For program point L605(lines 605 611) no Hoare annotation was computed. [2018-11-28 18:45:17,769 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 601 614) no Hoare annotation was computed. [2018-11-28 18:45:17,770 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 601 614) the Hoare annotation is: true [2018-11-28 18:45:17,770 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 601 614) no Hoare annotation was computed. [2018-11-28 18:45:17,770 INFO L444 ceAbstractionStarter]: At program point L192(line 192) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 (not (= ~methAndRunningLastTime~0 0))) .cse0))) [2018-11-28 18:45:17,770 INFO L448 ceAbstractionStarter]: For program point L192-1(line 192) no Hoare annotation was computed. [2018-11-28 18:45:17,770 INFO L448 ceAbstractionStarter]: For program point L190(lines 190 207) no Hoare annotation was computed. [2018-11-28 18:45:17,770 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 186 210) no Hoare annotation was computed. [2018-11-28 18:45:17,770 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 186 210) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1) .cse2) (or (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 (not (= ~methAndRunningLastTime~0 0))) .cse0 .cse2))) [2018-11-28 18:45:17,770 INFO L444 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 (not (= ~methAndRunningLastTime~0 0))) .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-28 18:45:17,770 INFO L448 ceAbstractionStarter]: For program point L205-1(lines 186 210) no Hoare annotation was computed. [2018-11-28 18:45:17,771 INFO L444 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 (not (= ~methAndRunningLastTime~0 0))) .cse0))) [2018-11-28 18:45:17,771 INFO L444 ceAbstractionStarter]: At program point L196(line 196) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1) (and (= processEnvironment_~tmp~2 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 (not (= ~methAndRunningLastTime~0 0))) .cse0))) [2018-11-28 18:45:17,771 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 202) no Hoare annotation was computed. [2018-11-28 18:45:17,771 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 152 158) no Hoare annotation was computed. [2018-11-28 18:45:17,771 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 152 158) the Hoare annotation is: true [2018-11-28 18:45:17,771 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 66 72) no Hoare annotation was computed. [2018-11-28 18:45:17,771 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 46 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 18:45:17,771 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 62) no Hoare annotation was computed. [2018-11-28 18:45:17,771 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 46 113) no Hoare annotation was computed. [2018-11-28 18:45:17,771 INFO L444 ceAbstractionStarter]: At program point L106(lines 55 107) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:17,772 INFO L444 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 (= 0 ~methAndRunningLastTime~0)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) (= ~pumpRunning~0 1) .cse0) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:45:17,772 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 100) no Hoare annotation was computed. [2018-11-28 18:45:17,772 INFO L444 ceAbstractionStarter]: At program point L94-1(lines 86 101) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse6 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse4 (<= 1 ~waterLevel~0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 (and (and .cse1 .cse2 .cse3) .cse4)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse5 .cse2) (and (and (= 0 ~methaneLevelCritical~0) .cse1 .cse2) .cse0 .cse4) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse5 (= ~pumpRunning~0 1) .cse6 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (and .cse1 .cse6 .cse2 .cse3) .cse4))) [2018-11-28 18:45:17,772 INFO L448 ceAbstractionStarter]: For program point L57(lines 56 105) no Hoare annotation was computed. [2018-11-28 18:45:17,772 INFO L444 ceAbstractionStarter]: At program point L88(line 88) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 (= 0 ~methAndRunningLastTime~0)) (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:45:17,772 INFO L448 ceAbstractionStarter]: For program point L86(lines 86 101) no Hoare annotation was computed. [2018-11-28 18:45:17,772 INFO L444 ceAbstractionStarter]: At program point L78(line 78) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse3 (<= 1 ~waterLevel~0))) (or (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 0) (and (and .cse0 .cse1 .cse2) .cse3)) (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse4 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (and .cse0 .cse4 .cse1 .cse2) .cse3))) [2018-11-28 18:45:17,773 INFO L448 ceAbstractionStarter]: For program point L76(lines 76 82) no Hoare annotation was computed. [2018-11-28 18:45:17,773 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 76 82) no Hoare annotation was computed. [2018-11-28 18:45:17,773 INFO L444 ceAbstractionStarter]: At program point L103(lines 56 105) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse3 (<= 1 ~waterLevel~0))) (or (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 0) (and (and .cse0 .cse1 .cse2) .cse3)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse4 .cse1) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (and .cse0 .cse4 .cse1 .cse2) .cse3))) [2018-11-28 18:45:17,773 INFO L444 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse4 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (= ~systemActive~0 0) .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse4 .cse2 .cse3) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse4 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:45:17,773 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 46 113) no Hoare annotation was computed. [2018-11-28 18:45:17,773 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2018-11-28 18:45:17,773 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 615 623) no Hoare annotation was computed. [2018-11-28 18:45:17,773 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 615 623) the Hoare annotation is: true [2018-11-28 18:45:17,773 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 615 623) no Hoare annotation was computed. [2018-11-28 18:45:17,774 INFO L444 ceAbstractionStarter]: At program point L471(line 471) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (< ~waterLevel~0 1)) (.cse3 (< ~waterLevel~0 2)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse1 (not (= ~systemActive~0 0)) .cse0) (or .cse3 .cse4 .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse3 .cse4 (or .cse2 (not (= ~methaneLevelCritical~0 0)))))) [2018-11-28 18:45:17,774 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 475) no Hoare annotation was computed. [2018-11-28 18:45:17,774 INFO L448 ceAbstractionStarter]: For program point L468(lines 468 478) no Hoare annotation was computed. [2018-11-28 18:45:17,774 INFO L444 ceAbstractionStarter]: At program point L466(line 466) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 0))) (.cse7 (< ~waterLevel~0 1)) (.cse8 (< ~waterLevel~0 2)) (.cse9 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (or .cse0 .cse5 .cse6) .cse7) (or .cse0 .cse2 .cse5 .cse3 .cse4) (or .cse2 .cse8 .cse9 .cse5 .cse4) (or (or .cse0 .cse6) .cse1 .cse7) (or .cse8 .cse9 (or .cse5 .cse6)))) [2018-11-28 18:45:17,774 INFO L448 ceAbstractionStarter]: For program point L466-1(line 466) no Hoare annotation was computed. [2018-11-28 18:45:17,774 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 456 484) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 1))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (not (= ~systemActive~0 0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse2 .cse3) (or .cse1 (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse4 .cse3))) [2018-11-28 18:45:17,774 INFO L448 ceAbstractionStarter]: For program point L464(lines 464 481) no Hoare annotation was computed. [2018-11-28 18:45:17,774 INFO L448 ceAbstractionStarter]: For program point L464-1(lines 456 484) no Hoare annotation was computed. [2018-11-28 18:45:17,775 INFO L444 ceAbstractionStarter]: At program point L462(line 462) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 1))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (not (= ~systemActive~0 0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse2 .cse3) (or .cse1 (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse4 .cse3))) [2018-11-28 18:45:17,776 INFO L448 ceAbstractionStarter]: For program point L462-1(line 462) no Hoare annotation was computed. [2018-11-28 18:45:17,776 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 456 484) no Hoare annotation was computed. [2018-11-28 18:45:17,776 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 448 455) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0)) (= 0 ~methAndRunningLastTime~0)) [2018-11-28 18:45:17,776 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 448 455) no Hoare annotation was computed. [2018-11-28 18:45:17,776 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 448 455) no Hoare annotation was computed. [2018-11-28 18:45:17,776 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:45:17,776 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 18:45:17,776 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:45:17,777 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 211 218) no Hoare annotation was computed. [2018-11-28 18:45:17,777 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 211 218) no Hoare annotation was computed. [2018-11-28 18:45:17,777 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 211 218) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2018-11-28 18:45:17,777 INFO L448 ceAbstractionStarter]: For program point L290-1(line 290) no Hoare annotation was computed. [2018-11-28 18:45:17,777 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 283 301) no Hoare annotation was computed. [2018-11-28 18:45:17,777 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 283 301) the Hoare annotation is: true [2018-11-28 18:45:17,777 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 283 301) no Hoare annotation was computed. [2018-11-28 18:45:17,777 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 296) no Hoare annotation was computed. [2018-11-28 18:45:17,777 INFO L451 ceAbstractionStarter]: At program point L290(line 290) the Hoare annotation is: true [2018-11-28 18:45:17,777 INFO L448 ceAbstractionStarter]: For program point L292-2(lines 292 296) no Hoare annotation was computed. [2018-11-28 18:45:17,777 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 548 559) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse5 (< ~waterLevel~0 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2 .cse3 .cse4) (or (or .cse0 .cse2 .cse3) .cse4 (not (= ~systemActive~0 0)) (< ~waterLevel~0 1)) (or .cse4 (or .cse0 .cse1 .cse2 .cse3) .cse5) (or .cse4 (or .cse5 (not (= 1 ~pumpRunning~0)) .cse1 .cse2 .cse3)))) [2018-11-28 18:45:17,778 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 548 559) no Hoare annotation was computed. [2018-11-28 18:45:17,778 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 548 559) no Hoare annotation was computed. [2018-11-28 18:45:17,778 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 560 568) the Hoare annotation is: true [2018-11-28 18:45:17,778 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 560 568) no Hoare annotation was computed. [2018-11-28 18:45:17,778 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 560 568) no Hoare annotation was computed. [2018-11-28 18:45:17,778 INFO L451 ceAbstractionStarter]: At program point L352(line 352) the Hoare annotation is: true [2018-11-28 18:45:17,778 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 346 375) no Hoare annotation was computed. [2018-11-28 18:45:17,778 INFO L448 ceAbstractionStarter]: For program point L352-1(line 352) no Hoare annotation was computed. [2018-11-28 18:45:17,778 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 346 375) the Hoare annotation is: true [2018-11-28 18:45:17,778 INFO L451 ceAbstractionStarter]: At program point L371(lines 346 375) the Hoare annotation is: true [2018-11-28 18:45:17,778 INFO L448 ceAbstractionStarter]: For program point L367(line 367) no Hoare annotation was computed. [2018-11-28 18:45:17,779 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 364) no Hoare annotation was computed. [2018-11-28 18:45:17,779 INFO L451 ceAbstractionStarter]: At program point L360-1(lines 360 364) the Hoare annotation is: true [2018-11-28 18:45:17,779 INFO L448 ceAbstractionStarter]: For program point L357(line 357) no Hoare annotation was computed. [2018-11-28 18:45:17,779 INFO L451 ceAbstractionStarter]: At program point L356-2(lines 356 370) the Hoare annotation is: true [2018-11-28 18:45:17,779 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 128 151) the Hoare annotation is: (let ((.cse8 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (and .cse8 (= 0 ~methAndRunningLastTime~0) .cse9)) (.cse3 (< |old(~waterLevel~0)| 1)) (.cse5 (not (= ~systemActive~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse6 (and .cse8 .cse9))) (and (or (or .cse0 .cse1 .cse2) .cse3 .cse4) (or (or .cse0 (not (= ~methaneLevelCritical~0 0))) .cse5 .cse3 .cse6) (or .cse5 (or .cse0 .cse2) .cse4 .cse3) (or .cse5 .cse7 .cse6 .cse0) (or (or .cse7 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1)) .cse6)))) [2018-11-28 18:45:17,779 INFO L444 ceAbstractionStarter]: At program point L141(line 141) the Hoare annotation is: (let ((.cse3 (< |old(~waterLevel~0)| 1)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 0))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) .cse4)) (or .cse5 .cse6 .cse0) (or (or .cse0 (not (= ~methaneLevelCritical~0 0))) .cse5 .cse3) (or (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse4) (or .cse6 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1))) (or .cse0 .cse5 (not (= |old(~waterLevel~0)| 1)) .cse2))) [2018-11-28 18:45:17,779 INFO L444 ceAbstractionStarter]: At program point L139(lines 139 145) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse5 (< |old(~waterLevel~0)| 1)) (.cse6 (and .cse0 .cse9)) (.cse8 (< |old(~waterLevel~0)| 2)) (.cse7 (not (= ~systemActive~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse10 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0 .cse1) (or .cse2 .cse3 .cse4) .cse5 .cse6) (or (or .cse2 (not (= ~methaneLevelCritical~0 0))) .cse7 .cse5 .cse6) (or .cse6 .cse7 .cse8 .cse2) (or (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (or .cse8 (or (not (= 1 |old(~pumpRunning~0)|)) .cse3))) (or .cse2 .cse7 (and .cse0 .cse1 .cse9) .cse10 .cse4) (or .cse2 .cse1 .cse3 .cse10 .cse4)))) [2018-11-28 18:45:17,780 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 128 151) no Hoare annotation was computed. [2018-11-28 18:45:17,780 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 128 151) no Hoare annotation was computed. [2018-11-28 18:45:17,780 INFO L444 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (let ((.cse3 (< |old(~waterLevel~0)| 1)) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse4 (not (= ~systemActive~0 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 0))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or (or .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0 .cse3) (or (or .cse2 .cse4 .cse5) .cse3) (or (or .cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse4)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or .cse2 .cse0 (not (= |old(~waterLevel~0)| 1)) .cse5))) [2018-11-28 18:45:17,780 INFO L448 ceAbstractionStarter]: For program point L132(lines 131 150) no Hoare annotation was computed. [2018-11-28 18:45:17,780 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 524 535) no Hoare annotation was computed. [2018-11-28 18:45:17,780 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 524 535) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (or (not (= ~systemActive~0 1)) (< |old(~waterLevel~0)| 2) (not (= 1 ~pumpRunning~0)))) [2018-11-28 18:45:17,780 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 524 535) no Hoare annotation was computed. [2018-11-28 18:45:17,780 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 400 406) no Hoare annotation was computed. [2018-11-28 18:45:17,780 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 400 406) the Hoare annotation is: true [2018-11-28 18:45:17,780 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:45:17,781 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) (= 0 ~methAndRunningLastTime~0)) [2018-11-28 18:45:17,788 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:45:17,788 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:45:17,788 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 160 184) the Hoare annotation is: (or (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:45:17,788 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 160 184) no Hoare annotation was computed. [2018-11-28 18:45:17,788 INFO L444 ceAbstractionStarter]: At program point L179(line 179) the Hoare annotation is: (or (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) (< ~waterLevel~0 1)) [2018-11-28 18:45:17,788 INFO L448 ceAbstractionStarter]: For program point L179-1(lines 160 184) no Hoare annotation was computed. [2018-11-28 18:45:17,788 INFO L444 ceAbstractionStarter]: At program point L174(line 174) the Hoare annotation is: (or (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) (< ~waterLevel~0 1)) [2018-11-28 18:45:17,789 INFO L444 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (or (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< ~waterLevel~0 1)) [2018-11-28 18:45:17,789 INFO L448 ceAbstractionStarter]: For program point L168(lines 168 176) no Hoare annotation was computed. [2018-11-28 18:45:17,789 INFO L444 ceAbstractionStarter]: At program point L166(line 166) the Hoare annotation is: (or (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:45:17,789 INFO L448 ceAbstractionStarter]: For program point L166-1(line 166) no Hoare annotation was computed. [2018-11-28 18:45:17,789 INFO L448 ceAbstractionStarter]: For program point L164(lines 164 181) no Hoare annotation was computed. [2018-11-28 18:45:17,789 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 336 343) no Hoare annotation was computed. [2018-11-28 18:45:17,789 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 336 343) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 0)) (or (not (= 0 ~pumpRunning~0)) (not (= ~methAndRunningLastTime~0 0))) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-28 18:45:17,789 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 336 343) no Hoare annotation was computed. [2018-11-28 18:45:17,789 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 536 547) no Hoare annotation was computed. [2018-11-28 18:45:17,789 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 536 547) no Hoare annotation was computed. [2018-11-28 18:45:17,790 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 536 547) the Hoare annotation is: (let ((.cse2 (< |old(~waterLevel~0)| 1)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (not (= 1 ~pumpRunning~0)) .cse1) (or (not (= ~systemActive~0 0)) .cse2 .cse3 .cse4 .cse1) (or .cse2 (or .cse4 .cse0) .cse3 .cse1))) [2018-11-28 18:45:17,790 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 991 998) no Hoare annotation was computed. [2018-11-28 18:45:17,790 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 991 998) the Hoare annotation is: true [2018-11-28 18:45:17,790 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 991 998) no Hoare annotation was computed. [2018-11-28 18:45:17,790 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 995) no Hoare annotation was computed. [2018-11-28 18:45:17,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:45:17 BoogieIcfgContainer [2018-11-28 18:45:17,814 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:45:17,814 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:45:17,814 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:45:17,814 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:45:17,815 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:44:40" (3/4) ... [2018-11-28 18:45:17,820 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:45:17,826 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:45:17,826 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:45:17,826 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:45:17,827 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 18:45:17,827 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:45:17,827 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 18:45:17,827 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:45:17,827 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:45:17,827 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:45:17,827 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 18:45:17,827 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:45:17,827 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:45:17,827 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:45:17,827 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 18:45:17,828 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:45:17,828 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:45:17,828 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:45:17,828 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 18:45:17,828 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 18:45:17,828 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:45:17,828 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:45:17,828 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:45:17,828 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:45:17,828 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:45:17,828 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:45:17,829 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:45:17,829 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 18:45:17,829 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:45:17,829 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:45:17,843 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-28 18:45:17,844 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 18:45:17,845 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 18:45:17,845 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:45:17,847 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:45:17,848 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:45:17,884 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(systemActive) == 1) || (systemActive == 0 && ((0 == pumpRunning && splverifierCounter == 0) && 0 == methAndRunningLastTime) && 1 <= waterLevel)) || !(0 == \old(pumpRunning))) || (((2 <= waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((((0 == pumpRunning && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) && 1 <= waterLevel) [2018-11-28 18:45:17,884 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:45:17,964 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:45:17,965 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:45:17,966 INFO L168 Benchmark]: Toolchain (without parser) took 40037.18 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 516.9 MB). Free memory was 946.0 MB in the beginning and 1.5 GB in the end (delta: -537.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:45:17,967 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:45:17,968 INFO L168 Benchmark]: CACSL2BoogieTranslator took 796.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -196.4 MB). Peak memory consumption was 43.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:17,968 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:17,968 INFO L168 Benchmark]: Boogie Preprocessor took 69.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:45:17,970 INFO L168 Benchmark]: RCFGBuilder took 1199.10 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: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:17,971 INFO L168 Benchmark]: TraceAbstraction took 37758.92 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 368.1 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -421.4 MB). Peak memory consumption was 633.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:17,971 INFO L168 Benchmark]: Witness Printer took 150.68 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:17,975 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 796.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -196.4 MB). Peak memory consumption was 43.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 69.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1199.10 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: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 37758.92 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 368.1 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -421.4 MB). Peak memory consumption was 633.2 MB. Max. memory is 11.5 GB. * Witness Printer took 150.68 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 995]: 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: 55]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: ((((((!(\old(systemActive) == 1) || (systemActive == 0 && ((0 == pumpRunning && splverifierCounter == 0) && 0 == methAndRunningLastTime) && 1 <= waterLevel)) || !(0 == \old(pumpRunning))) || (((2 <= waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((((0 == pumpRunning && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) && 1 <= waterLevel) - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 156 locations, 1 error locations. SAFE Result, 37.6s OverallTime, 14 OverallIterations, 2 TraceHistogramMax, 17.3s AutomataDifference, 0.0s DeadEndRemovalTime, 11.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2654 SDtfs, 2184 SDslu, 5818 SDs, 0 SdLazy, 3294 SolverSat, 852 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 601 GetRequests, 512 SyntacticMatches, 1 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3955occurred 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: 1.6s AutomataMinimizationTime, 14 MinimizatonAttempts, 2337 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 5774 PreInvPairs, 5907 NumberOfFragments, 2258 HoareAnnotationTreeSize, 5774 FomulaSimplifications, 37263 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 65 FomulaSimplificationsInter, 26105 FormulaSimplificationTreeSizeReductionInter, 9.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 1883 NumberOfCodeBlocks, 1883 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1866 ConstructedInterpolants, 0 QuantifiedInterpolants, 357545 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2715 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 17 InterpolantComputations, 14 PerfectInterpolantSequences, 331/345 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...