./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product03_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_spec4_product03_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 7d22266300e6cd9ced6ad4763303b2f8762682aa ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:46:06,952 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:46:06,954 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:46:06,966 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:46:06,967 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:46:06,968 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:46:06,969 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:46:06,972 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:46:06,974 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:46:06,974 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:46:06,976 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:46:06,976 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:46:06,978 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:46:06,979 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:46:06,980 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:46:06,981 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:46:06,982 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:46:06,984 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:46:06,987 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:46:06,989 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:46:06,991 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:46:06,992 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:46:06,995 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:46:06,996 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:46:06,996 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:46:06,997 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:46:06,998 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:46:07,000 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:46:07,001 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:46:07,002 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:46:07,002 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:46:07,003 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:46:07,004 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:46:07,004 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:46:07,006 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:46:07,006 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:46:07,007 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:46:07,023 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:46:07,024 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:46:07,025 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:46:07,025 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:46:07,026 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:46:07,026 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:46:07,026 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:46:07,029 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:46:07,030 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:46:07,030 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:46:07,030 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:46:07,030 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:46:07,030 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:46:07,032 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:46:07,032 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:46:07,032 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:46:07,032 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:46:07,032 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:46:07,032 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:46:07,033 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:46:07,033 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:46:07,033 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:46:07,033 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:46:07,033 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:46:07,034 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:46:07,034 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:46:07,034 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:46:07,034 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:46:07,034 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:46:07,034 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:46:07,038 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 -> 7d22266300e6cd9ced6ad4763303b2f8762682aa [2018-11-28 18:46:07,101 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:46:07,123 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:46:07,129 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:46:07,131 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:46:07,132 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:46:07,133 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product03_true-unreach-call_false-termination.cil.c [2018-11-28 18:46:07,191 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44e977ffe/72852d64840547f2bc263461f5c8f988/FLAGc27691a6a [2018-11-28 18:46:07,717 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:46:07,717 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product03_true-unreach-call_false-termination.cil.c [2018-11-28 18:46:07,733 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44e977ffe/72852d64840547f2bc263461f5c8f988/FLAGc27691a6a [2018-11-28 18:46:07,984 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44e977ffe/72852d64840547f2bc263461f5c8f988 [2018-11-28 18:46:07,987 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:46:07,989 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:46:07,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:46:07,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:46:07,998 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:46:07,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:46:07" (1/1) ... [2018-11-28 18:46:08,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@460492eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:08, skipping insertion in model container [2018-11-28 18:46:08,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:46:07" (1/1) ... [2018-11-28 18:46:08,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:46:08,068 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:46:08,452 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:46:08,468 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:46:08,550 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:46:08,584 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:46:08,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:08 WrapperNode [2018-11-28 18:46:08,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:46:08,586 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:46:08,586 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:46:08,586 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:46:08,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:08" (1/1) ... [2018-11-28 18:46:08,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:08" (1/1) ... [2018-11-28 18:46:08,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:46:08,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:46:08,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:46:08,744 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:46:08,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:08" (1/1) ... [2018-11-28 18:46:08,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:08" (1/1) ... [2018-11-28 18:46:08,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:08" (1/1) ... [2018-11-28 18:46:08,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:08" (1/1) ... [2018-11-28 18:46:08,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:08" (1/1) ... [2018-11-28 18:46:08,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:08" (1/1) ... [2018-11-28 18:46:08,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:08" (1/1) ... [2018-11-28 18:46:08,815 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:46:08,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:46:08,819 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:46:08,819 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:46:08,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:08" (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 18:46:08,875 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:46:08,876 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:46:08,878 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:46:08,878 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:46:08,878 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:46:08,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:46:08,878 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:46:08,878 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:46:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 18:46:08,879 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 18:46:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:46:08,879 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:46:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:46:08,880 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:46:08,880 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:46:08,880 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:46:08,880 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:46:08,880 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:46:08,880 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:46:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:46:08,882 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:46:08,882 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:46:08,882 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:46:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:46:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:46:08,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:46:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 18:46:08,884 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 18:46:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:46:08,884 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:46:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:46:08,884 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:46:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:46:08,885 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:46:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:46:08,885 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:46:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:46:08,885 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:46:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:46:08,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:46:08,887 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:46:08,888 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:46:08,888 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:46:08,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:46:09,779 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:46:09,780 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:46:09,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:46:09 BoogieIcfgContainer [2018-11-28 18:46:09,780 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:46:09,781 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:46:09,781 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:46:09,785 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:46:09,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:46:07" (1/3) ... [2018-11-28 18:46:09,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a26dda4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:46:09, skipping insertion in model container [2018-11-28 18:46:09,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:08" (2/3) ... [2018-11-28 18:46:09,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a26dda4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:46:09, skipping insertion in model container [2018-11-28 18:46:09,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:46:09" (3/3) ... [2018-11-28 18:46:09,788 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product03_true-unreach-call_false-termination.cil.c [2018-11-28 18:46:09,798 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:46:09,807 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:46:09,829 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:46:09,860 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:46:09,861 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:46:09,862 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:46:09,862 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:46:09,862 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:46:09,862 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:46:09,863 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:46:09,863 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:46:09,863 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:46:09,888 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2018-11-28 18:46:09,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 18:46:09,900 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:09,901 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:46:09,904 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:09,910 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:09,910 INFO L82 PathProgramCache]: Analyzing trace with hash -678485060, now seen corresponding path program 1 times [2018-11-28 18:46:09,913 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:09,913 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:09,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:09,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:09,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:10,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:10,284 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 18:46:10,287 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:10,288 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:46:10,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:46:10,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:46:10,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:46:10,317 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 2 states. [2018-11-28 18:46:10,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:10,365 INFO L93 Difference]: Finished difference Result 180 states and 225 transitions. [2018-11-28 18:46:10,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:46:10,367 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 18:46:10,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:10,383 INFO L225 Difference]: With dead ends: 180 [2018-11-28 18:46:10,383 INFO L226 Difference]: Without dead ends: 90 [2018-11-28 18:46:10,388 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 18:46:10,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-11-28 18:46:10,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-11-28 18:46:10,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-11-28 18:46:10,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2018-11-28 18:46:10,478 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 46 [2018-11-28 18:46:10,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:10,479 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2018-11-28 18:46:10,479 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:46:10,479 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2018-11-28 18:46:10,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 18:46:10,486 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:10,487 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:46:10,487 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:10,488 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:10,488 INFO L82 PathProgramCache]: Analyzing trace with hash -613777260, now seen corresponding path program 1 times [2018-11-28 18:46:10,488 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:10,488 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:10,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:10,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:10,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:10,696 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 18:46:10,696 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:10,696 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:46:10,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:46:10,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:46:10,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:46:10,701 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 3 states. [2018-11-28 18:46:10,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:10,743 INFO L93 Difference]: Finished difference Result 120 states and 137 transitions. [2018-11-28 18:46:10,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:46:10,752 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 18:46:10,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:10,754 INFO L225 Difference]: With dead ends: 120 [2018-11-28 18:46:10,754 INFO L226 Difference]: Without dead ends: 81 [2018-11-28 18:46:10,755 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 18:46:10,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-11-28 18:46:10,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-11-28 18:46:10,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-11-28 18:46:10,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 92 transitions. [2018-11-28 18:46:10,778 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 92 transitions. Word has length 47 [2018-11-28 18:46:10,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:10,782 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 92 transitions. [2018-11-28 18:46:10,782 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:46:10,783 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2018-11-28 18:46:10,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 18:46:10,787 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:10,788 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 18:46:10,788 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:10,788 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:10,788 INFO L82 PathProgramCache]: Analyzing trace with hash -2051684313, now seen corresponding path program 1 times [2018-11-28 18:46:10,789 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:10,789 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:10,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:10,790 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:10,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:11,048 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-11-28 18:46:11,057 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 18:46:11,058 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:11,058 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:46:11,059 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:46:11,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:46:11,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:46:11,060 INFO L87 Difference]: Start difference. First operand 81 states and 92 transitions. Second operand 3 states. [2018-11-28 18:46:11,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:11,161 INFO L93 Difference]: Finished difference Result 190 states and 226 transitions. [2018-11-28 18:46:11,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:46:11,164 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2018-11-28 18:46:11,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:11,174 INFO L225 Difference]: With dead ends: 190 [2018-11-28 18:46:11,176 INFO L226 Difference]: Without dead ends: 133 [2018-11-28 18:46:11,178 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:46:11,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-11-28 18:46:11,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 123. [2018-11-28 18:46:11,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-11-28 18:46:11,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 145 transitions. [2018-11-28 18:46:11,221 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 145 transitions. Word has length 51 [2018-11-28 18:46:11,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:11,222 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 145 transitions. [2018-11-28 18:46:11,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:46:11,223 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 145 transitions. [2018-11-28 18:46:11,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-28 18:46:11,230 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:11,230 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] [2018-11-28 18:46:11,230 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:11,231 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:11,231 INFO L82 PathProgramCache]: Analyzing trace with hash -840532143, now seen corresponding path program 1 times [2018-11-28 18:46:11,231 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:11,231 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:11,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:11,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:11,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:11,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:11,747 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 18:46:11,747 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:11,747 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 18:46:11,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 18:46:11,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 18:46:11,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:46:11,750 INFO L87 Difference]: Start difference. First operand 123 states and 145 transitions. Second operand 10 states. [2018-11-28 18:46:13,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:13,042 INFO L93 Difference]: Finished difference Result 386 states and 502 transitions. [2018-11-28 18:46:13,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 18:46:13,043 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2018-11-28 18:46:13,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:13,049 INFO L225 Difference]: With dead ends: 386 [2018-11-28 18:46:13,049 INFO L226 Difference]: Without dead ends: 287 [2018-11-28 18:46:13,051 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:46:13,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2018-11-28 18:46:13,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 279. [2018-11-28 18:46:13,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2018-11-28 18:46:13,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 345 transitions. [2018-11-28 18:46:13,092 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 345 transitions. Word has length 54 [2018-11-28 18:46:13,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:13,092 INFO L480 AbstractCegarLoop]: Abstraction has 279 states and 345 transitions. [2018-11-28 18:46:13,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 18:46:13,093 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 345 transitions. [2018-11-28 18:46:13,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-28 18:46:13,095 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:13,096 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] [2018-11-28 18:46:13,096 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:13,096 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:13,096 INFO L82 PathProgramCache]: Analyzing trace with hash -621872885, now seen corresponding path program 1 times [2018-11-28 18:46:13,096 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:13,097 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:13,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:13,098 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:13,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:13,276 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 18:46:13,276 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:13,276 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:46:13,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:46:13,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:46:13,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:46:13,279 INFO L87 Difference]: Start difference. First operand 279 states and 345 transitions. Second operand 3 states. [2018-11-28 18:46:13,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:13,347 INFO L93 Difference]: Finished difference Result 502 states and 635 transitions. [2018-11-28 18:46:13,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:46:13,348 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2018-11-28 18:46:13,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:13,352 INFO L225 Difference]: With dead ends: 502 [2018-11-28 18:46:13,352 INFO L226 Difference]: Without dead ends: 247 [2018-11-28 18:46:13,355 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:46:13,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2018-11-28 18:46:13,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2018-11-28 18:46:13,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2018-11-28 18:46:13,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 290 transitions. [2018-11-28 18:46:13,393 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 290 transitions. Word has length 58 [2018-11-28 18:46:13,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:13,396 INFO L480 AbstractCegarLoop]: Abstraction has 247 states and 290 transitions. [2018-11-28 18:46:13,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:46:13,396 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 290 transitions. [2018-11-28 18:46:13,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-28 18:46:13,405 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:13,406 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:46:13,406 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:13,406 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:13,406 INFO L82 PathProgramCache]: Analyzing trace with hash 397347106, now seen corresponding path program 1 times [2018-11-28 18:46:13,407 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:13,407 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:13,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:13,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:13,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:13,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:13,636 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-28 18:46:13,636 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:13,636 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:46:13,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:46:13,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:46:13,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:46:13,637 INFO L87 Difference]: Start difference. First operand 247 states and 290 transitions. Second operand 6 states. [2018-11-28 18:46:13,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:13,958 INFO L93 Difference]: Finished difference Result 251 states and 294 transitions. [2018-11-28 18:46:13,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:46:13,962 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-11-28 18:46:13,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:13,963 INFO L225 Difference]: With dead ends: 251 [2018-11-28 18:46:13,963 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:46:13,964 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:46:13,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:46:13,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:46:13,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:46:13,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:46:13,965 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2018-11-28 18:46:13,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:13,965 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:46:13,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:46:13,966 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:46:13,966 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:46:13,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:46:14,449 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 16 [2018-11-28 18:46:15,115 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 20 [2018-11-28 18:46:15,223 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 575 582) the Hoare annotation is: true [2018-11-28 18:46:15,223 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 575 582) no Hoare annotation was computed. [2018-11-28 18:46:15,223 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 575 582) no Hoare annotation was computed. [2018-11-28 18:46:15,223 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 560 566) no Hoare annotation was computed. [2018-11-28 18:46:15,223 INFO L451 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 560 566) the Hoare annotation is: true [2018-11-28 18:46:15,224 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 436 442) the Hoare annotation is: true [2018-11-28 18:46:15,224 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 436 442) no Hoare annotation was computed. [2018-11-28 18:46:15,224 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 443 451) no Hoare annotation was computed. [2018-11-28 18:46:15,224 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 443 451) the Hoare annotation is: true [2018-11-28 18:46:15,224 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 443 451) no Hoare annotation was computed. [2018-11-28 18:46:15,224 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 458 523) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:15,225 INFO L444 ceAbstractionStarter]: At program point L506(line 506) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:15,225 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 510) no Hoare annotation was computed. [2018-11-28 18:46:15,225 INFO L444 ceAbstractionStarter]: At program point L504-1(lines 498 511) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:15,225 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 458 523) no Hoare annotation was computed. [2018-11-28 18:46:15,225 INFO L448 ceAbstractionStarter]: For program point L469(lines 468 515) no Hoare annotation was computed. [2018-11-28 18:46:15,225 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2018-11-28 18:46:15,225 INFO L444 ceAbstractionStarter]: At program point L490(line 490) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:15,225 INFO L448 ceAbstractionStarter]: For program point L488(lines 488 494) no Hoare annotation was computed. [2018-11-28 18:46:15,226 INFO L448 ceAbstractionStarter]: For program point L488-1(lines 488 494) no Hoare annotation was computed. [2018-11-28 18:46:15,228 INFO L444 ceAbstractionStarter]: At program point L513(lines 468 515) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:15,228 INFO L444 ceAbstractionStarter]: At program point L480(line 480) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:15,228 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 484) no Hoare annotation was computed. [2018-11-28 18:46:15,228 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 478 484) no Hoare annotation was computed. [2018-11-28 18:46:15,228 INFO L448 ceAbstractionStarter]: For program point L470(lines 470 474) no Hoare annotation was computed. [2018-11-28 18:46:15,229 INFO L444 ceAbstractionStarter]: At program point L516(lines 467 517) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:15,229 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 458 523) no Hoare annotation was computed. [2018-11-28 18:46:15,229 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 736 760) the Hoare annotation is: true [2018-11-28 18:46:15,229 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 736 760) no Hoare annotation was computed. [2018-11-28 18:46:15,229 INFO L444 ceAbstractionStarter]: At program point L750(line 750) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-28 18:46:15,229 INFO L448 ceAbstractionStarter]: For program point L748(lines 748 754) no Hoare annotation was computed. [2018-11-28 18:46:15,229 INFO L444 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0)) [2018-11-28 18:46:15,229 INFO L448 ceAbstractionStarter]: For program point L746-1(line 746) no Hoare annotation was computed. [2018-11-28 18:46:15,229 INFO L448 ceAbstractionStarter]: For program point L744(lines 744 757) no Hoare annotation was computed. [2018-11-28 18:46:15,229 INFO L448 ceAbstractionStarter]: For program point L744-1(lines 736 760) no Hoare annotation was computed. [2018-11-28 18:46:15,229 INFO L451 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-11-28 18:46:15,230 INFO L448 ceAbstractionStarter]: For program point L742-1(line 742) no Hoare annotation was computed. [2018-11-28 18:46:15,231 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 834 856) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:15,231 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 834 856) no Hoare annotation was computed. [2018-11-28 18:46:15,231 INFO L444 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0)) (= main_~tmp~5 ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:15,231 INFO L444 ceAbstractionStarter]: At program point L846-1(line 846) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0)) (= main_~tmp~5 ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:15,231 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 834 856) no Hoare annotation was computed. [2018-11-28 18:46:15,231 INFO L448 ceAbstractionStarter]: For program point L844(lines 844 851) no Hoare annotation was computed. [2018-11-28 18:46:15,231 INFO L448 ceAbstractionStarter]: For program point L844-1(lines 844 851) no Hoare annotation was computed. [2018-11-28 18:46:15,231 INFO L448 ceAbstractionStarter]: For program point L842(line 842) no Hoare annotation was computed. [2018-11-28 18:46:15,232 INFO L444 ceAbstractionStarter]: At program point L841(line 841) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:15,232 INFO L444 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:15,232 INFO L444 ceAbstractionStarter]: At program point L840-1(line 840) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:15,232 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 639 653) no Hoare annotation was computed. [2018-11-28 18:46:15,232 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 639 653) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-28 18:46:15,233 INFO L444 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-28 18:46:15,233 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 639 653) no Hoare annotation was computed. [2018-11-28 18:46:15,233 INFO L448 ceAbstractionStarter]: For program point L643(lines 643 649) no Hoare annotation was computed. [2018-11-28 18:46:15,233 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 594 602) no Hoare annotation was computed. [2018-11-28 18:46:15,233 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 594 602) the Hoare annotation is: true [2018-11-28 18:46:15,233 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 594 602) no Hoare annotation was computed. [2018-11-28 18:46:15,234 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:46:15,234 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:46:15,234 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:46:15,234 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 726 734) the Hoare annotation is: true [2018-11-28 18:46:15,234 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 726 734) no Hoare annotation was computed. [2018-11-28 18:46:15,234 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 726 734) no Hoare annotation was computed. [2018-11-28 18:46:15,234 INFO L448 ceAbstractionStarter]: For program point L686-1(lines 682 693) no Hoare annotation was computed. [2018-11-28 18:46:15,234 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 682 693) the Hoare annotation is: true [2018-11-28 18:46:15,235 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 682 693) no Hoare annotation was computed. [2018-11-28 18:46:15,235 INFO L451 ceAbstractionStarter]: At program point L769(line 769) the Hoare annotation is: true [2018-11-28 18:46:15,235 INFO L448 ceAbstractionStarter]: For program point L769-1(line 769) no Hoare annotation was computed. [2018-11-28 18:46:15,235 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 763 792) no Hoare annotation was computed. [2018-11-28 18:46:15,235 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 763 792) the Hoare annotation is: true [2018-11-28 18:46:15,235 INFO L451 ceAbstractionStarter]: At program point L788(lines 763 792) the Hoare annotation is: true [2018-11-28 18:46:15,235 INFO L448 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2018-11-28 18:46:15,235 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 781) no Hoare annotation was computed. [2018-11-28 18:46:15,235 INFO L451 ceAbstractionStarter]: At program point L777-1(lines 777 781) the Hoare annotation is: true [2018-11-28 18:46:15,235 INFO L448 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2018-11-28 18:46:15,236 INFO L451 ceAbstractionStarter]: At program point L773-2(lines 773 787) the Hoare annotation is: true [2018-11-28 18:46:15,236 INFO L444 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-28 18:46:15,236 INFO L448 ceAbstractionStarter]: For program point L540(lines 539 558) no Hoare annotation was computed. [2018-11-28 18:46:15,236 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 536 559) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= |old(~waterLevel~0)| 0) (not (= ~waterLevel~0 0))) (or .cse0 (= ~waterLevel~0 1) (not (= |old(~waterLevel~0)| 1))))) [2018-11-28 18:46:15,236 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 536 559) no Hoare annotation was computed. [2018-11-28 18:46:15,236 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 536 559) no Hoare annotation was computed. [2018-11-28 18:46:15,236 INFO L444 ceAbstractionStarter]: At program point L549(line 549) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= |old(~waterLevel~0)| 0) (not (= ~waterLevel~0 0))) (or .cse0 (= ~waterLevel~0 1) (not (= |old(~waterLevel~0)| 1))) (or (not (= ~systemActive~0 0)) .cse0))) [2018-11-28 18:46:15,237 INFO L444 ceAbstractionStarter]: At program point L547(lines 547 553) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= |old(~waterLevel~0)| 0) (not (= ~waterLevel~0 0))) (or .cse0 (= ~waterLevel~0 1) (not (= |old(~waterLevel~0)| 1))))) [2018-11-28 18:46:15,237 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 658 669) the Hoare annotation is: true [2018-11-28 18:46:15,237 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 658 669) no Hoare annotation was computed. [2018-11-28 18:46:15,237 INFO L448 ceAbstractionStarter]: For program point L662-1(lines 658 669) no Hoare annotation was computed. [2018-11-28 18:46:15,237 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 429 435) no Hoare annotation was computed. [2018-11-28 18:46:15,237 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 429 435) the Hoare annotation is: true [2018-11-28 18:46:15,237 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 817 823) no Hoare annotation was computed. [2018-11-28 18:46:15,237 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 817 823) the Hoare annotation is: true [2018-11-28 18:46:15,237 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:46:15,238 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) [2018-11-28 18:46:15,238 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:46:15,238 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:46:15,238 INFO L448 ceAbstractionStarter]: For program point L674-1(lines 670 681) no Hoare annotation was computed. [2018-11-28 18:46:15,238 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 670 681) no Hoare annotation was computed. [2018-11-28 18:46:15,238 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 670 681) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:15,238 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-28 18:46:15,238 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-28 18:46:15,239 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-28 18:46:15,239 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-28 18:46:15,239 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 824 833) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:15,239 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 824 833) no Hoare annotation was computed. [2018-11-28 18:46:15,239 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 824 833) no Hoare annotation was computed. [2018-11-28 18:46:15,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:46:15 BoogieIcfgContainer [2018-11-28 18:46:15,258 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:46:15,259 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:46:15,261 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:46:15,261 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:46:15,262 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:46:09" (3/4) ... [2018-11-28 18:46:15,265 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:46:15,271 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:46:15,271 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:46:15,271 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:46:15,271 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:46:15,272 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:46:15,272 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:46:15,272 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:46:15,272 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 18:46:15,272 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:46:15,272 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:46:15,272 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 18:46:15,272 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:46:15,272 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:46:15,272 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:46:15,273 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:46:15,273 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:46:15,273 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:46:15,273 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:46:15,273 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:46:15,273 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:46:15,282 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2018-11-28 18:46:15,283 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 18:46:15,283 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 18:46:15,284 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:46:15,284 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:46:15,284 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:46:15,317 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) [2018-11-28 18:46:15,317 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) [2018-11-28 18:46:15,387 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:46:15,387 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:46:15,388 INFO L168 Benchmark]: Toolchain (without parser) took 7400.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 217.1 MB). Free memory was 948.7 MB in the beginning and 1.2 GB in the end (delta: -219.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:46:15,389 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:46:15,390 INFO L168 Benchmark]: CACSL2BoogieTranslator took 595.24 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 927.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:15,391 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 927.2 MB in the beginning and 1.1 GB in the end (delta: -195.4 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:15,391 INFO L168 Benchmark]: Boogie Preprocessor took 75.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:46:15,391 INFO L168 Benchmark]: RCFGBuilder took 961.38 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: 39.1 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:15,392 INFO L168 Benchmark]: TraceAbstraction took 5477.57 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -93.0 MB). Peak memory consumption was 289.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:15,392 INFO L168 Benchmark]: Witness Printer took 127.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:15,397 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 595.24 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 927.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 156.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 927.2 MB in the beginning and 1.1 GB in the end (delta: -195.4 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 75.13 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 961.38 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: 39.1 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5477.57 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -93.0 MB). Peak memory consumption was 289.7 MB. Max. memory is 11.5 GB. * Witness Printer took 127.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 467]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 468]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 21 procedures, 103 locations, 1 error locations. SAFE Result, 5.3s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.9s AutomataDifference, 0.0s DeadEndRemovalTime, 1.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 564 SDtfs, 312 SDslu, 921 SDs, 0 SdLazy, 274 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=279occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 284 PreInvPairs, 325 NumberOfFragments, 452 HoareAnnotationTreeSize, 284 FomulaSimplifications, 338 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 1086 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 344 NumberOfCodeBlocks, 344 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 338 ConstructedInterpolants, 0 QuantifiedInterpolants, 39395 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 26/26 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...