./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product15_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_620921b2-1b9a-431e-8e54-36aa10600d82/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_620921b2-1b9a-431e-8e54-36aa10600d82/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_620921b2-1b9a-431e-8e54-36aa10600d82/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_620921b2-1b9a-431e-8e54-36aa10600d82/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product15_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_620921b2-1b9a-431e-8e54-36aa10600d82/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_620921b2-1b9a-431e-8e54-36aa10600d82/bin-2019/uautomizer --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 c8f66a1c2f1d9dffe5b7963794ef9964b4412e61 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 23:48:53,602 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 23:48:53,603 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 23:48:53,609 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 23:48:53,609 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 23:48:53,610 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 23:48:53,610 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 23:48:53,611 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 23:48:53,612 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 23:48:53,612 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 23:48:53,613 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 23:48:53,613 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 23:48:53,613 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 23:48:53,614 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 23:48:53,614 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 23:48:53,615 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 23:48:53,615 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 23:48:53,616 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 23:48:53,617 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 23:48:53,618 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 23:48:53,619 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 23:48:53,619 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 23:48:53,621 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 23:48:53,621 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 23:48:53,621 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 23:48:53,621 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 23:48:53,622 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 23:48:53,622 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 23:48:53,623 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 23:48:53,623 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 23:48:53,624 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 23:48:53,624 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 23:48:53,624 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 23:48:53,624 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 23:48:53,625 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 23:48:53,625 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 23:48:53,625 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_620921b2-1b9a-431e-8e54-36aa10600d82/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 23:48:53,633 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 23:48:53,634 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 23:48:53,634 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 23:48:53,634 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 23:48:53,635 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 23:48:53,635 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 23:48:53,635 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 23:48:53,635 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 23:48:53,635 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 23:48:53,635 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 23:48:53,636 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 23:48:53,636 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 23:48:53,636 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 23:48:53,636 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 23:48:53,636 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 23:48:53,636 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 23:48:53,636 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 23:48:53,636 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 23:48:53,636 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 23:48:53,637 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 23:48:53,637 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 23:48:53,637 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 23:48:53,637 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 23:48:53,637 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 23:48:53,637 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 23:48:53,637 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 23:48:53,637 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 23:48:53,638 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 23:48:53,638 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 23:48:53,638 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 23:48:53,638 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_620921b2-1b9a-431e-8e54-36aa10600d82/bin-2019/uautomizer 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 -> c8f66a1c2f1d9dffe5b7963794ef9964b4412e61 [2018-12-02 23:48:53,655 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 23:48:53,662 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 23:48:53,664 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 23:48:53,665 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 23:48:53,665 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 23:48:53,665 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_620921b2-1b9a-431e-8e54-36aa10600d82/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product15_true-unreach-call_false-termination.cil.c [2018-12-02 23:48:53,700 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_620921b2-1b9a-431e-8e54-36aa10600d82/bin-2019/uautomizer/data/a36e2734f/fe01b546971a4ddab13903de99b1711f/FLAG4849e6d17 [2018-12-02 23:48:54,179 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 23:48:54,179 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_620921b2-1b9a-431e-8e54-36aa10600d82/sv-benchmarks/c/product-lines/minepump_spec4_product15_true-unreach-call_false-termination.cil.c [2018-12-02 23:48:54,185 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_620921b2-1b9a-431e-8e54-36aa10600d82/bin-2019/uautomizer/data/a36e2734f/fe01b546971a4ddab13903de99b1711f/FLAG4849e6d17 [2018-12-02 23:48:54,686 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_620921b2-1b9a-431e-8e54-36aa10600d82/bin-2019/uautomizer/data/a36e2734f/fe01b546971a4ddab13903de99b1711f [2018-12-02 23:48:54,688 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 23:48:54,689 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 23:48:54,690 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 23:48:54,690 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 23:48:54,692 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 23:48:54,693 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:48:54" (1/1) ... [2018-12-02 23:48:54,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bb0cb08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:54, skipping insertion in model container [2018-12-02 23:48:54,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:48:54" (1/1) ... [2018-12-02 23:48:54,699 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 23:48:54,727 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 23:48:54,875 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 23:48:54,926 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 23:48:54,982 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 23:48:55,001 INFO L195 MainTranslator]: Completed translation [2018-12-02 23:48:55,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:55 WrapperNode [2018-12-02 23:48:55,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 23:48:55,002 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 23:48:55,002 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 23:48:55,002 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 23:48:55,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:55" (1/1) ... [2018-12-02 23:48:55,020 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:55" (1/1) ... [2018-12-02 23:48:55,026 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 23:48:55,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 23:48:55,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 23:48:55,026 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 23:48:55,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:55" (1/1) ... [2018-12-02 23:48:55,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:55" (1/1) ... [2018-12-02 23:48:55,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:55" (1/1) ... [2018-12-02 23:48:55,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:55" (1/1) ... [2018-12-02 23:48:55,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:55" (1/1) ... [2018-12-02 23:48:55,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:55" (1/1) ... [2018-12-02 23:48:55,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:55" (1/1) ... [2018-12-02 23:48:55,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 23:48:55,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 23:48:55,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 23:48:55,046 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 23:48:55,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_620921b2-1b9a-431e-8e54-36aa10600d82/bin-2019/uautomizer/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 [2018-12-02 23:48:55,078 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 23:48:55,078 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 23:48:55,078 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-12-02 23:48:55,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-12-02 23:48:55,078 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 23:48:55,078 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 23:48:55,079 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-02 23:48:55,079 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-02 23:48:55,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 23:48:55,079 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 23:48:55,079 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 23:48:55,079 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 23:48:55,079 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 23:48:55,079 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 23:48:55,079 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 23:48:55,080 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-02 23:48:55,080 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-02 23:48:55,080 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 23:48:55,080 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 23:48:55,080 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 23:48:55,080 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 23:48:55,080 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 23:48:55,080 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 23:48:55,080 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 23:48:55,080 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 23:48:55,081 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 23:48:55,081 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 23:48:55,081 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 23:48:55,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 23:48:55,081 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 23:48:55,081 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 23:48:55,081 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 23:48:55,081 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 23:48:55,081 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 23:48:55,082 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 23:48:55,082 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 23:48:55,082 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 23:48:55,082 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 23:48:55,082 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 23:48:55,082 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 23:48:55,082 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 23:48:55,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 23:48:55,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 23:48:55,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 23:48:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 23:48:55,083 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 23:48:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 23:48:55,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 23:48:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 23:48:55,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 23:48:55,344 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 23:48:55,344 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 23:48:55,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:48:55 BoogieIcfgContainer [2018-12-02 23:48:55,345 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 23:48:55,346 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 23:48:55,346 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 23:48:55,348 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 23:48:55,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:48:54" (1/3) ... [2018-12-02 23:48:55,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27aee159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:48:55, skipping insertion in model container [2018-12-02 23:48:55,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:55" (2/3) ... [2018-12-02 23:48:55,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27aee159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:48:55, skipping insertion in model container [2018-12-02 23:48:55,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:48:55" (3/3) ... [2018-12-02 23:48:55,351 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product15_true-unreach-call_false-termination.cil.c [2018-12-02 23:48:55,358 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 23:48:55,363 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 23:48:55,372 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 23:48:55,390 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 23:48:55,391 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 23:48:55,391 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 23:48:55,391 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 23:48:55,391 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 23:48:55,391 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 23:48:55,391 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 23:48:55,391 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 23:48:55,391 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 23:48:55,404 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2018-12-02 23:48:55,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 23:48:55,411 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:48:55,411 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] [2018-12-02 23:48:55,413 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:48:55,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:48:55,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1562087949, now seen corresponding path program 1 times [2018-12-02 23:48:55,420 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 23:48:55,420 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 23:48:55,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:48:55,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:48:55,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:48:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:48:55,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:48:55,586 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 23:48:55,586 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 23:48:55,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 23:48:55,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 23:48:55,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 23:48:55,597 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2018-12-02 23:48:55,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:48:55,623 INFO L93 Difference]: Finished difference Result 216 states and 269 transitions. [2018-12-02 23:48:55,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 23:48:55,624 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-02 23:48:55,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:48:55,631 INFO L225 Difference]: With dead ends: 216 [2018-12-02 23:48:55,631 INFO L226 Difference]: Without dead ends: 108 [2018-12-02 23:48:55,633 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 [2018-12-02 23:48:55,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-12-02 23:48:55,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2018-12-02 23:48:55,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-12-02 23:48:55,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 126 transitions. [2018-12-02 23:48:55,661 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 126 transitions. Word has length 46 [2018-12-02 23:48:55,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:48:55,661 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 126 transitions. [2018-12-02 23:48:55,661 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 23:48:55,661 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 126 transitions. [2018-12-02 23:48:55,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 23:48:55,663 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:48:55,663 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] [2018-12-02 23:48:55,663 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:48:55,663 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:48:55,663 INFO L82 PathProgramCache]: Analyzing trace with hash 833056799, now seen corresponding path program 1 times [2018-12-02 23:48:55,663 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 23:48:55,663 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 23:48:55,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:48:55,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:48:55,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:48:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:48:55,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:48:55,729 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 23:48:55,730 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 23:48:55,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 23:48:55,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 23:48:55,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 23:48:55,732 INFO L87 Difference]: Start difference. First operand 108 states and 126 transitions. Second operand 3 states. [2018-12-02 23:48:55,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:48:55,748 INFO L93 Difference]: Finished difference Result 159 states and 183 transitions. [2018-12-02 23:48:55,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 23:48:55,749 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-02 23:48:55,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:48:55,750 INFO L225 Difference]: With dead ends: 159 [2018-12-02 23:48:55,751 INFO L226 Difference]: Without dead ends: 99 [2018-12-02 23:48:55,751 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 [2018-12-02 23:48:55,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-12-02 23:48:55,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-12-02 23:48:55,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-12-02 23:48:55,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 114 transitions. [2018-12-02 23:48:55,761 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 114 transitions. Word has length 47 [2018-12-02 23:48:55,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:48:55,761 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 114 transitions. [2018-12-02 23:48:55,761 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 23:48:55,762 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 114 transitions. [2018-12-02 23:48:55,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 23:48:55,763 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:48:55,763 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] [2018-12-02 23:48:55,763 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:48:55,763 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:48:55,764 INFO L82 PathProgramCache]: Analyzing trace with hash -341980663, now seen corresponding path program 1 times [2018-12-02 23:48:55,764 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 23:48:55,764 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 23:48:55,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:48:55,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:48:55,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:48:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:48:55,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:48:55,836 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 23:48:55,836 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 23:48:55,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 23:48:55,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 23:48:55,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 23:48:55,836 INFO L87 Difference]: Start difference. First operand 99 states and 114 transitions. Second operand 7 states. [2018-12-02 23:48:56,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:48:56,034 INFO L93 Difference]: Finished difference Result 299 states and 360 transitions. [2018-12-02 23:48:56,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 23:48:56,034 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-02 23:48:56,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:48:56,037 INFO L225 Difference]: With dead ends: 299 [2018-12-02 23:48:56,037 INFO L226 Difference]: Without dead ends: 224 [2018-12-02 23:48:56,038 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 23:48:56,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2018-12-02 23:48:56,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 216. [2018-12-02 23:48:56,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-12-02 23:48:56,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 260 transitions. [2018-12-02 23:48:56,057 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 260 transitions. Word has length 51 [2018-12-02 23:48:56,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:48:56,058 INFO L480 AbstractCegarLoop]: Abstraction has 216 states and 260 transitions. [2018-12-02 23:48:56,058 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 23:48:56,058 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 260 transitions. [2018-12-02 23:48:56,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 23:48:56,059 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:48:56,059 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] [2018-12-02 23:48:56,059 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:48:56,059 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:48:56,059 INFO L82 PathProgramCache]: Analyzing trace with hash -305616374, now seen corresponding path program 1 times [2018-12-02 23:48:56,060 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 23:48:56,060 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 23:48:56,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:48:56,060 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:48:56,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:48:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:48:56,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:48:56,157 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 23:48:56,157 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-02 23:48:56,157 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 23:48:56,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 23:48:56,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-02 23:48:56,158 INFO L87 Difference]: Start difference. First operand 216 states and 260 transitions. Second operand 10 states. [2018-12-02 23:48:56,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:48:56,444 INFO L93 Difference]: Finished difference Result 744 states and 959 transitions. [2018-12-02 23:48:56,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 23:48:56,444 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-12-02 23:48:56,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:48:56,447 INFO L225 Difference]: With dead ends: 744 [2018-12-02 23:48:56,447 INFO L226 Difference]: Without dead ends: 552 [2018-12-02 23:48:56,448 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-12-02 23:48:56,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2018-12-02 23:48:56,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 540. [2018-12-02 23:48:56,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 540 states. [2018-12-02 23:48:56,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 670 transitions. [2018-12-02 23:48:56,490 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 670 transitions. Word has length 57 [2018-12-02 23:48:56,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:48:56,490 INFO L480 AbstractCegarLoop]: Abstraction has 540 states and 670 transitions. [2018-12-02 23:48:56,490 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 23:48:56,490 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 670 transitions. [2018-12-02 23:48:56,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-02 23:48:56,493 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:48:56,493 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] [2018-12-02 23:48:56,493 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:48:56,494 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:48:56,494 INFO L82 PathProgramCache]: Analyzing trace with hash 1018545328, now seen corresponding path program 1 times [2018-12-02 23:48:56,495 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 23:48:56,495 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 23:48:56,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:48:56,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:48:56,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:48:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:48:56,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:48:56,553 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 23:48:56,553 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 23:48:56,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 23:48:56,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 23:48:56,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 23:48:56,554 INFO L87 Difference]: Start difference. First operand 540 states and 670 transitions. Second operand 4 states. [2018-12-02 23:48:56,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:48:56,636 INFO L93 Difference]: Finished difference Result 912 states and 1168 transitions. [2018-12-02 23:48:56,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 23:48:56,637 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-12-02 23:48:56,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:48:56,639 INFO L225 Difference]: With dead ends: 912 [2018-12-02 23:48:56,639 INFO L226 Difference]: Without dead ends: 396 [2018-12-02 23:48:56,641 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 23:48:56,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2018-12-02 23:48:56,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 384. [2018-12-02 23:48:56,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2018-12-02 23:48:56,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 446 transitions. [2018-12-02 23:48:56,664 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 446 transitions. Word has length 61 [2018-12-02 23:48:56,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:48:56,664 INFO L480 AbstractCegarLoop]: Abstraction has 384 states and 446 transitions. [2018-12-02 23:48:56,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 23:48:56,664 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 446 transitions. [2018-12-02 23:48:56,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-02 23:48:56,667 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:48:56,667 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 23:48:56,667 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:48:56,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:48:56,667 INFO L82 PathProgramCache]: Analyzing trace with hash -379584019, now seen corresponding path program 1 times [2018-12-02 23:48:56,667 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 23:48:56,668 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 23:48:56,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:48:56,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:48:56,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:48:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:48:56,741 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-02 23:48:56,742 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 23:48:56,742 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_620921b2-1b9a-431e-8e54-36aa10600d82/bin-2019/uautomizer/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 [2018-12-02 23:48:56,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:48:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:48:56,828 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 23:48:56,911 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 23:48:56,935 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 23:48:56,935 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-12-02 23:48:56,936 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-02 23:48:56,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-02 23:48:56,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-12-02 23:48:56,936 INFO L87 Difference]: Start difference. First operand 384 states and 446 transitions. Second operand 12 states. [2018-12-02 23:48:57,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:48:57,234 INFO L93 Difference]: Finished difference Result 507 states and 589 transitions. [2018-12-02 23:48:57,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 23:48:57,234 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2018-12-02 23:48:57,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:48:57,235 INFO L225 Difference]: With dead ends: 507 [2018-12-02 23:48:57,235 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 23:48:57,235 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-12-02 23:48:57,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 23:48:57,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 23:48:57,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 23:48:57,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 23:48:57,236 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2018-12-02 23:48:57,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:48:57,236 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 23:48:57,236 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-02 23:48:57,236 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 23:48:57,237 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 23:48:57,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 23:48:58,095 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 252 259) the Hoare annotation is: true [2018-12-02 23:48:58,095 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 252 259) no Hoare annotation was computed. [2018-12-02 23:48:58,095 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 252 259) no Hoare annotation was computed. [2018-12-02 23:48:58,095 INFO L444 ceAbstractionStarter]: At program point L221(line 221) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)))) [2018-12-02 23:48:58,095 INFO L448 ceAbstractionStarter]: For program point L221-1(lines 202 226) no Hoare annotation was computed. [2018-12-02 23:48:58,095 INFO L444 ceAbstractionStarter]: At program point L216(line 216) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-02 23:48:58,095 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 202 226) no Hoare annotation was computed. [2018-12-02 23:48:58,095 INFO L444 ceAbstractionStarter]: At program point L212(line 212) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-02 23:48:58,095 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 202 226) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)))) [2018-12-02 23:48:58,096 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 218) no Hoare annotation was computed. [2018-12-02 23:48:58,096 INFO L444 ceAbstractionStarter]: At program point L208(line 208) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-02 23:48:58,096 INFO L448 ceAbstractionStarter]: For program point L208-1(line 208) no Hoare annotation was computed. [2018-12-02 23:48:58,096 INFO L448 ceAbstractionStarter]: For program point L206(lines 206 223) no Hoare annotation was computed. [2018-12-02 23:48:58,096 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-12-02 23:48:58,096 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-12-02 23:48:58,096 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-12-02 23:48:58,096 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-12-02 23:48:58,096 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-12-02 23:48:58,096 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 92 157) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 23:48:58,096 INFO L444 ceAbstractionStarter]: At program point L124(line 124) the Hoare annotation is: (or (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 23:48:58,096 INFO L448 ceAbstractionStarter]: For program point L122(lines 122 128) no Hoare annotation was computed. [2018-12-02 23:48:58,096 INFO L448 ceAbstractionStarter]: For program point L122-1(lines 122 128) no Hoare annotation was computed. [2018-12-02 23:48:58,096 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 92 157) no Hoare annotation was computed. [2018-12-02 23:48:58,096 INFO L444 ceAbstractionStarter]: At program point L147(lines 102 149) the Hoare annotation is: (or (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 23:48:58,096 INFO L444 ceAbstractionStarter]: At program point L114(line 114) the Hoare annotation is: (or (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 23:48:58,096 INFO L448 ceAbstractionStarter]: For program point L112(lines 112 118) no Hoare annotation was computed. [2018-12-02 23:48:58,096 INFO L448 ceAbstractionStarter]: For program point L112-1(lines 112 118) no Hoare annotation was computed. [2018-12-02 23:48:58,097 INFO L448 ceAbstractionStarter]: For program point L104(lines 104 108) no Hoare annotation was computed. [2018-12-02 23:48:58,097 INFO L444 ceAbstractionStarter]: At program point L150(lines 101 151) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 23:48:58,097 INFO L444 ceAbstractionStarter]: At program point L140(line 140) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 23:48:58,097 INFO L448 ceAbstractionStarter]: For program point L138(lines 138 144) no Hoare annotation was computed. [2018-12-02 23:48:58,097 INFO L444 ceAbstractionStarter]: At program point L138-1(lines 132 145) the Hoare annotation is: (or (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 23:48:58,097 INFO L448 ceAbstractionStarter]: For program point L103(lines 102 149) no Hoare annotation was computed. [2018-12-02 23:48:58,097 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 145) no Hoare annotation was computed. [2018-12-02 23:48:58,097 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 92 157) no Hoare annotation was computed. [2018-12-02 23:48:58,097 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 875 899) the Hoare annotation is: true [2018-12-02 23:48:58,097 INFO L444 ceAbstractionStarter]: At program point L889(line 889) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 (< ~waterLevel~0 2)))) [2018-12-02 23:48:58,097 INFO L448 ceAbstractionStarter]: For program point L887(lines 887 893) no Hoare annotation was computed. [2018-12-02 23:48:58,097 INFO L444 ceAbstractionStarter]: At program point L885(line 885) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 (< ~waterLevel~0 2)))) [2018-12-02 23:48:58,097 INFO L448 ceAbstractionStarter]: For program point L885-1(line 885) no Hoare annotation was computed. [2018-12-02 23:48:58,097 INFO L448 ceAbstractionStarter]: For program point L883(lines 883 896) no Hoare annotation was computed. [2018-12-02 23:48:58,097 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 875 899) no Hoare annotation was computed. [2018-12-02 23:48:58,097 INFO L448 ceAbstractionStarter]: For program point L883-1(lines 875 899) no Hoare annotation was computed. [2018-12-02 23:48:58,097 INFO L451 ceAbstractionStarter]: At program point L881(line 881) the Hoare annotation is: true [2018-12-02 23:48:58,098 INFO L448 ceAbstractionStarter]: For program point L881-1(line 881) no Hoare annotation was computed. [2018-12-02 23:48:58,098 INFO L444 ceAbstractionStarter]: At program point L863(line 863) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~6 ~systemActive~0) (= main_~tmp~6 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 23:48:58,098 INFO L444 ceAbstractionStarter]: At program point L863-1(line 863) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~6 ~systemActive~0) (= main_~tmp~6 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 23:48:58,098 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 851 873) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 23:48:58,098 INFO L448 ceAbstractionStarter]: For program point L861(lines 861 868) no Hoare annotation was computed. [2018-12-02 23:48:58,098 INFO L448 ceAbstractionStarter]: For program point L861-1(lines 861 868) no Hoare annotation was computed. [2018-12-02 23:48:58,098 INFO L448 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-12-02 23:48:58,098 INFO L444 ceAbstractionStarter]: At program point L858(line 858) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 23:48:58,098 INFO L444 ceAbstractionStarter]: At program point L857(line 857) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 23:48:58,098 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 851 873) no Hoare annotation was computed. [2018-12-02 23:48:58,099 INFO L444 ceAbstractionStarter]: At program point L857-1(line 857) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 23:48:58,099 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 851 873) no Hoare annotation was computed. [2018-12-02 23:48:58,099 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 194 200) no Hoare annotation was computed. [2018-12-02 23:48:58,099 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 194 200) the Hoare annotation is: true [2018-12-02 23:48:58,099 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 316 330) no Hoare annotation was computed. [2018-12-02 23:48:58,099 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 326) no Hoare annotation was computed. [2018-12-02 23:48:58,099 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 316 330) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or (or .cse0 (not (= ~waterLevel~0 1))) .cse1))) [2018-12-02 23:48:58,099 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 316 330) no Hoare annotation was computed. [2018-12-02 23:48:58,099 INFO L444 ceAbstractionStarter]: At program point L322(line 322) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1)) [2018-12-02 23:48:58,099 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 271 279) no Hoare annotation was computed. [2018-12-02 23:48:58,099 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 271 279) the Hoare annotation is: true [2018-12-02 23:48:58,100 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 271 279) no Hoare annotation was computed. [2018-12-02 23:48:58,100 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 23:48:58,100 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 23:48:58,100 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 23:48:58,100 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 769 777) the Hoare annotation is: true [2018-12-02 23:48:58,100 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 769 777) no Hoare annotation was computed. [2018-12-02 23:48:58,100 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 769 777) no Hoare annotation was computed. [2018-12-02 23:48:58,100 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 725 736) the Hoare annotation is: true [2018-12-02 23:48:58,100 INFO L448 ceAbstractionStarter]: For program point L729-1(lines 725 736) no Hoare annotation was computed. [2018-12-02 23:48:58,100 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 725 736) no Hoare annotation was computed. [2018-12-02 23:48:58,100 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 737 745) the Hoare annotation is: true [2018-12-02 23:48:58,100 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 737 745) no Hoare annotation was computed. [2018-12-02 23:48:58,100 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 737 745) no Hoare annotation was computed. [2018-12-02 23:48:58,101 INFO L448 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2018-12-02 23:48:58,101 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 780 809) no Hoare annotation was computed. [2018-12-02 23:48:58,101 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 780 809) the Hoare annotation is: true [2018-12-02 23:48:58,101 INFO L448 ceAbstractionStarter]: For program point L794(lines 794 798) no Hoare annotation was computed. [2018-12-02 23:48:58,101 INFO L451 ceAbstractionStarter]: At program point L794-1(lines 794 798) the Hoare annotation is: true [2018-12-02 23:48:58,101 INFO L448 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2018-12-02 23:48:58,101 INFO L451 ceAbstractionStarter]: At program point L790-2(lines 790 804) the Hoare annotation is: true [2018-12-02 23:48:58,101 INFO L451 ceAbstractionStarter]: At program point L786(line 786) the Hoare annotation is: true [2018-12-02 23:48:58,101 INFO L448 ceAbstractionStarter]: For program point L786-1(line 786) no Hoare annotation was computed. [2018-12-02 23:48:58,101 INFO L451 ceAbstractionStarter]: At program point L805(lines 780 809) the Hoare annotation is: true [2018-12-02 23:48:58,101 INFO L444 ceAbstractionStarter]: At program point L183(line 183) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (and (= ~waterLevel~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (< |old(~waterLevel~0)| 2)))) [2018-12-02 23:48:58,101 INFO L444 ceAbstractionStarter]: At program point L181(lines 181 187) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (and (= ~waterLevel~0 1) .cse1) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (< |old(~waterLevel~0)| 2) (and (<= |old(~waterLevel~0)| ~waterLevel~0) .cse1)))) [2018-12-02 23:48:58,101 INFO L444 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (< |old(~waterLevel~0)| 2)))) [2018-12-02 23:48:58,102 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 170 193) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (and (= ~waterLevel~0 1) .cse1) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (< |old(~waterLevel~0)| 2) (and (<= |old(~waterLevel~0)| ~waterLevel~0) .cse1)))) [2018-12-02 23:48:58,102 INFO L448 ceAbstractionStarter]: For program point L174(lines 173 192) no Hoare annotation was computed. [2018-12-02 23:48:58,102 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 170 193) no Hoare annotation was computed. [2018-12-02 23:48:58,102 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 170 193) no Hoare annotation was computed. [2018-12-02 23:48:58,102 INFO L448 ceAbstractionStarter]: For program point L705-1(lines 701 712) no Hoare annotation was computed. [2018-12-02 23:48:58,102 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 701 712) the Hoare annotation is: true [2018-12-02 23:48:58,102 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 701 712) no Hoare annotation was computed. [2018-12-02 23:48:58,102 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-12-02 23:48:58,102 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-12-02 23:48:58,102 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 834 840) no Hoare annotation was computed. [2018-12-02 23:48:58,102 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 834 840) the Hoare annotation is: true [2018-12-02 23:48:58,102 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 23:48:58,102 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-12-02 23:48:58,102 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 23:48:58,102 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 23:48:58,102 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 713 724) no Hoare annotation was computed. [2018-12-02 23:48:58,102 INFO L448 ceAbstractionStarter]: For program point L717-1(lines 713 724) no Hoare annotation was computed. [2018-12-02 23:48:58,102 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 713 724) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= ~waterLevel~0 1) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (< |old(~waterLevel~0)| 2) (<= |old(~waterLevel~0)| ~waterLevel~0)))) [2018-12-02 23:48:58,102 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2018-12-02 23:48:58,103 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2018-12-02 23:48:58,103 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2018-12-02 23:48:58,103 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2018-12-02 23:48:58,103 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 841 850) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 23:48:58,103 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 841 850) no Hoare annotation was computed. [2018-12-02 23:48:58,103 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 841 850) no Hoare annotation was computed. [2018-12-02 23:48:58,103 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 260 270) the Hoare annotation is: true [2018-12-02 23:48:58,103 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 260 270) no Hoare annotation was computed. [2018-12-02 23:48:58,103 INFO L451 ceAbstractionStarter]: At program point L265(line 265) the Hoare annotation is: true [2018-12-02 23:48:58,103 INFO L448 ceAbstractionStarter]: For program point L265-1(line 265) no Hoare annotation was computed. [2018-12-02 23:48:58,103 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 260 270) no Hoare annotation was computed. [2018-12-02 23:48:58,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:48:58 BoogieIcfgContainer [2018-12-02 23:48:58,110 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 23:48:58,110 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 23:48:58,110 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 23:48:58,110 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 23:48:58,110 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:48:55" (3/4) ... [2018-12-02 23:48:58,112 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 23:48:58,116 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 23:48:58,116 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 23:48:58,116 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 23:48:58,116 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 23:48:58,116 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 23:48:58,116 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-12-02 23:48:58,116 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 23:48:58,116 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-02 23:48:58,117 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-02 23:48:58,117 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 23:48:58,117 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 23:48:58,117 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-02 23:48:58,117 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 23:48:58,117 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 23:48:58,117 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 23:48:58,117 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 23:48:58,117 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 23:48:58,117 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 23:48:58,117 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 23:48:58,118 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 23:48:58,118 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 23:48:58,118 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 23:48:58,118 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 23:48:58,123 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-12-02 23:48:58,123 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 23:48:58,123 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 23:48:58,124 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 23:48:58,124 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 23:48:58,124 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 23:48:58,141 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(waterLevel) <= waterLevel && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-02 23:48:58,141 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-02 23:48:58,165 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_620921b2-1b9a-431e-8e54-36aa10600d82/bin-2019/uautomizer/witness.graphml [2018-12-02 23:48:58,165 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 23:48:58,165 INFO L168 Benchmark]: Toolchain (without parser) took 3477.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 952.2 MB in the beginning and 934.5 MB in the end (delta: 17.7 MB). Peak memory consumption was 175.0 MB. Max. memory is 11.5 GB. [2018-12-02 23:48:58,166 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 23:48:58,166 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -136.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-02 23:48:58,166 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 23:48:58,167 INFO L168 Benchmark]: Boogie Preprocessor took 19.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 23:48:58,167 INFO L168 Benchmark]: RCFGBuilder took 298.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. [2018-12-02 23:48:58,167 INFO L168 Benchmark]: TraceAbstraction took 2764.06 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 58.2 MB). Free memory was 1.0 GB in the beginning and 944.5 MB in the end (delta: 94.7 MB). Peak memory consumption was 214.2 MB. Max. memory is 11.5 GB. [2018-12-02 23:48:58,167 INFO L168 Benchmark]: Witness Printer took 55.03 ms. Allocated memory is still 1.2 GB. Free memory was 944.5 MB in the beginning and 934.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. [2018-12-02 23:48:58,168 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 312.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -136.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 298.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2764.06 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 58.2 MB). Free memory was 1.0 GB in the beginning and 944.5 MB in the end (delta: 94.7 MB). Peak memory consumption was 214.2 MB. Max. memory is 11.5 GB. * Witness Printer took 55.03 ms. Allocated memory is still 1.2 GB. Free memory was 944.5 MB in the beginning and 934.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: ((((\old(waterLevel) <= waterLevel && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 121 locations, 1 error locations. SAFE Result, 2.7s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 703 SDtfs, 667 SDslu, 1594 SDs, 0 SdLazy, 917 SolverSat, 243 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 161 GetRequests, 116 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=540occurred 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 32 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 584 PreInvPairs, 625 NumberOfFragments, 718 HoareAnnotationTreeSize, 584 FomulaSimplifications, 652 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 52 FomulaSimplificationsInter, 3040 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 438 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 431 ConstructedInterpolants, 0 QuantifiedInterpolants, 60169 SizeOfPredicates, 3 NumberOfNonLiveVariables, 725 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 41/46 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...