./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product23_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fd34f83d-fb21-4b1f-8346-ded93e7ea6f1/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fd34f83d-fb21-4b1f-8346-ded93e7ea6f1/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fd34f83d-fb21-4b1f-8346-ded93e7ea6f1/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fd34f83d-fb21-4b1f-8346-ded93e7ea6f1/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product23_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fd34f83d-fb21-4b1f-8346-ded93e7ea6f1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fd34f83d-fb21-4b1f-8346-ded93e7ea6f1/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87504a1abfe2d10f353d562b38ba2c6a9363e65c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:58:09,731 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:58:09,733 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:58:09,740 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:58:09,741 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:58:09,741 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:58:09,742 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:58:09,743 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:58:09,744 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:58:09,745 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:58:09,746 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:58:09,746 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:58:09,747 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:58:09,747 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:58:09,748 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:58:09,749 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:58:09,749 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:58:09,750 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:58:09,752 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:58:09,753 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:58:09,754 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:58:09,755 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:58:09,757 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:58:09,757 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:58:09,758 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:58:09,758 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:58:09,759 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:58:09,760 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:58:09,760 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:58:09,761 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:58:09,761 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:58:09,762 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:58:09,763 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:58:09,763 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:58:09,763 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:58:09,764 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:58:09,764 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fd34f83d-fb21-4b1f-8346-ded93e7ea6f1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 15:58:09,774 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:58:09,775 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:58:09,775 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:58:09,775 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 15:58:09,775 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 15:58:09,776 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 15:58:09,776 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 15:58:09,776 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 15:58:09,776 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 15:58:09,776 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 15:58:09,776 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 15:58:09,776 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 15:58:09,776 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 15:58:09,777 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:58:09,777 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:58:09,777 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:58:09,777 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:58:09,777 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:58:09,779 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:58:09,779 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:58:09,779 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:58:09,779 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:58:09,779 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:58:09,779 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:58:09,779 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:58:09,779 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:58:09,780 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:58:09,780 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:58:09,780 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:58:09,780 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:58:09,780 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:58:09,780 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:58:09,780 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:58:09,780 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 15:58:09,780 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:58:09,780 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:58:09,780 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 15:58:09,780 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_fd34f83d-fb21-4b1f-8346-ded93e7ea6f1/bin-2019/utaipan 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 -> Taipan 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 -> 87504a1abfe2d10f353d562b38ba2c6a9363e65c [2018-11-18 15:58:09,805 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:58:09,814 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:58:09,815 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:58:09,816 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:58:09,816 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:58:09,817 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fd34f83d-fb21-4b1f-8346-ded93e7ea6f1/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product23_true-unreach-call_false-termination.cil.c [2018-11-18 15:58:09,854 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd34f83d-fb21-4b1f-8346-ded93e7ea6f1/bin-2019/utaipan/data/bc9a8b0e2/50f4cd65a7314a53ad438b9c381525dd/FLAG2f528df40 [2018-11-18 15:58:10,211 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:58:10,211 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fd34f83d-fb21-4b1f-8346-ded93e7ea6f1/sv-benchmarks/c/product-lines/minepump_spec4_product23_true-unreach-call_false-termination.cil.c [2018-11-18 15:58:10,222 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd34f83d-fb21-4b1f-8346-ded93e7ea6f1/bin-2019/utaipan/data/bc9a8b0e2/50f4cd65a7314a53ad438b9c381525dd/FLAG2f528df40 [2018-11-18 15:58:10,235 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fd34f83d-fb21-4b1f-8346-ded93e7ea6f1/bin-2019/utaipan/data/bc9a8b0e2/50f4cd65a7314a53ad438b9c381525dd [2018-11-18 15:58:10,237 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:58:10,239 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:58:10,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:58:10,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:58:10,243 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:58:10,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:58:10" (1/1) ... [2018-11-18 15:58:10,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae989df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:10, skipping insertion in model container [2018-11-18 15:58:10,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:58:10" (1/1) ... [2018-11-18 15:58:10,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:58:10,290 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:58:10,491 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:58:10,499 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:58:10,596 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:58:10,611 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:58:10,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:10 WrapperNode [2018-11-18 15:58:10,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:58:10,612 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:58:10,612 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:58:10,612 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:58:10,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:10" (1/1) ... [2018-11-18 15:58:10,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:10" (1/1) ... [2018-11-18 15:58:10,633 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:58:10,633 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:58:10,633 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:58:10,633 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:58:10,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:10" (1/1) ... [2018-11-18 15:58:10,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:10" (1/1) ... [2018-11-18 15:58:10,642 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:10" (1/1) ... [2018-11-18 15:58:10,642 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:10" (1/1) ... [2018-11-18 15:58:10,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:10" (1/1) ... [2018-11-18 15:58:10,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:10" (1/1) ... [2018-11-18 15:58:10,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:10" (1/1) ... [2018-11-18 15:58:10,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:58:10,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:58:10,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:58:10,663 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:58:10,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fd34f83d-fb21-4b1f-8346-ded93e7ea6f1/bin-2019/utaipan/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 [2018-11-18 15:58:10,701 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 15:58:10,701 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 15:58:10,701 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-18 15:58:10,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-18 15:58:10,702 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:58:10,702 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:58:10,702 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 15:58:10,702 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 15:58:10,702 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 15:58:10,702 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 15:58:10,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:58:10,702 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 15:58:10,702 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 15:58:10,703 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 15:58:10,703 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 15:58:10,703 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 15:58:10,703 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 15:58:10,703 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 15:58:10,703 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 15:58:10,703 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 15:58:10,703 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 15:58:10,703 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 15:58:10,703 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 15:58:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 15:58:10,704 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 15:58:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 15:58:10,704 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 15:58:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 15:58:10,704 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 15:58:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 15:58:10,704 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 15:58:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 15:58:10,704 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 15:58:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 15:58:10,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 15:58:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 15:58:10,705 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 15:58:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 15:58:10,705 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 15:58:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 15:58:10,705 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 15:58:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 15:58:10,706 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 15:58:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 15:58:10,706 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 15:58:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 15:58:10,706 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 15:58:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:58:10,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:58:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 15:58:10,706 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 15:58:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 15:58:10,707 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 15:58:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:58:10,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:58:11,112 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:58:11,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:58:11 BoogieIcfgContainer [2018-11-18 15:58:11,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:58:11,113 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:58:11,113 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:58:11,116 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:58:11,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:58:10" (1/3) ... [2018-11-18 15:58:11,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71c1df7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:58:11, skipping insertion in model container [2018-11-18 15:58:11,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:10" (2/3) ... [2018-11-18 15:58:11,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71c1df7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:58:11, skipping insertion in model container [2018-11-18 15:58:11,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:58:11" (3/3) ... [2018-11-18 15:58:11,119 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product23_true-unreach-call_false-termination.cil.c [2018-11-18 15:58:11,126 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:58:11,133 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 15:58:11,145 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 15:58:11,171 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:58:11,171 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:58:11,171 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:58:11,171 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:58:11,171 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:58:11,171 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:58:11,171 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:58:11,172 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:58:11,188 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-11-18 15:58:11,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 15:58:11,195 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:58:11,196 INFO L375 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] [2018-11-18 15:58:11,198 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:58:11,203 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:58:11,203 INFO L82 PathProgramCache]: Analyzing trace with hash 483179785, now seen corresponding path program 1 times [2018-11-18 15:58:11,205 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:58:11,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:58:11,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:58:11,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:58:11,240 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:58:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:58:11,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:58:11,403 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:58:11,403 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 15:58:11,403 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:58:11,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 15:58:11,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 15:58:11,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:58:11,417 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 2 states. [2018-11-18 15:58:11,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:58:11,446 INFO L93 Difference]: Finished difference Result 260 states and 323 transitions. [2018-11-18 15:58:11,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 15:58:11,448 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 15:58:11,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:58:11,457 INFO L225 Difference]: With dead ends: 260 [2018-11-18 15:58:11,457 INFO L226 Difference]: Without dead ends: 130 [2018-11-18 15:58:11,460 INFO L604 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 [2018-11-18 15:58:11,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-11-18 15:58:11,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-11-18 15:58:11,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-18 15:58:11,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 153 transitions. [2018-11-18 15:58:11,499 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 153 transitions. Word has length 46 [2018-11-18 15:58:11,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:58:11,499 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 153 transitions. [2018-11-18 15:58:11,500 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 15:58:11,500 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 153 transitions. [2018-11-18 15:58:11,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 15:58:11,502 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:58:11,502 INFO L375 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] [2018-11-18 15:58:11,502 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:58:11,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:58:11,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1119216688, now seen corresponding path program 1 times [2018-11-18 15:58:11,503 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:58:11,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:58:11,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:58:11,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:58:11,504 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:58:11,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:58:11,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:58:11,604 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:58:11,604 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:58:11,604 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:58:11,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:58:11,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:58:11,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:58:11,606 INFO L87 Difference]: Start difference. First operand 130 states and 153 transitions. Second operand 3 states. [2018-11-18 15:58:11,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:58:11,623 INFO L93 Difference]: Finished difference Result 201 states and 235 transitions. [2018-11-18 15:58:11,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:58:11,624 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 15:58:11,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:58:11,626 INFO L225 Difference]: With dead ends: 201 [2018-11-18 15:58:11,626 INFO L226 Difference]: Without dead ends: 120 [2018-11-18 15:58:11,627 INFO L604 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 [2018-11-18 15:58:11,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-11-18 15:58:11,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-11-18 15:58:11,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-11-18 15:58:11,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 140 transitions. [2018-11-18 15:58:11,638 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 140 transitions. Word has length 48 [2018-11-18 15:58:11,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:58:11,639 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 140 transitions. [2018-11-18 15:58:11,639 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:58:11,639 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2018-11-18 15:58:11,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 15:58:11,640 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:58:11,640 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:58:11,641 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:58:11,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:58:11,641 INFO L82 PathProgramCache]: Analyzing trace with hash 8083618, now seen corresponding path program 1 times [2018-11-18 15:58:11,641 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:58:11,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:58:11,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:58:11,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:58:11,642 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:58:11,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:58:11,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:58:11,767 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:58:11,767 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 15:58:11,767 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:58:11,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:58:11,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:58:11,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:58:11,768 INFO L87 Difference]: Start difference. First operand 120 states and 140 transitions. Second operand 7 states. [2018-11-18 15:58:12,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:58:12,115 INFO L93 Difference]: Finished difference Result 363 states and 439 transitions. [2018-11-18 15:58:12,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 15:58:12,116 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-18 15:58:12,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:58:12,120 INFO L225 Difference]: With dead ends: 363 [2018-11-18 15:58:12,120 INFO L226 Difference]: Without dead ends: 267 [2018-11-18 15:58:12,121 INFO L604 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 [2018-11-18 15:58:12,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2018-11-18 15:58:12,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 259. [2018-11-18 15:58:12,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2018-11-18 15:58:12,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 313 transitions. [2018-11-18 15:58:12,153 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 313 transitions. Word has length 52 [2018-11-18 15:58:12,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:58:12,154 INFO L480 AbstractCegarLoop]: Abstraction has 259 states and 313 transitions. [2018-11-18 15:58:12,154 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:58:12,154 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 313 transitions. [2018-11-18 15:58:12,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 15:58:12,156 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:58:12,156 INFO L375 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] [2018-11-18 15:58:12,156 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:58:12,156 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:58:12,156 INFO L82 PathProgramCache]: Analyzing trace with hash 522012422, now seen corresponding path program 1 times [2018-11-18 15:58:12,156 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:58:12,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:58:12,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:58:12,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:58:12,159 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:58:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:58:12,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:58:12,322 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:58:12,322 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 15:58:12,323 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:58:12,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 15:58:12,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 15:58:12,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:58:12,324 INFO L87 Difference]: Start difference. First operand 259 states and 313 transitions. Second operand 10 states. [2018-11-18 15:58:12,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:58:12,803 INFO L93 Difference]: Finished difference Result 916 states and 1171 transitions. [2018-11-18 15:58:12,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 15:58:12,803 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2018-11-18 15:58:12,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:58:12,807 INFO L225 Difference]: With dead ends: 916 [2018-11-18 15:58:12,807 INFO L226 Difference]: Without dead ends: 681 [2018-11-18 15:58:12,808 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-18 15:58:12,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2018-11-18 15:58:12,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 669. [2018-11-18 15:58:12,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2018-11-18 15:58:12,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 829 transitions. [2018-11-18 15:58:12,856 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 829 transitions. Word has length 58 [2018-11-18 15:58:12,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:58:12,857 INFO L480 AbstractCegarLoop]: Abstraction has 669 states and 829 transitions. [2018-11-18 15:58:12,857 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 15:58:12,857 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 829 transitions. [2018-11-18 15:58:12,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 15:58:12,860 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:58:12,861 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:58:12,861 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:58:12,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:58:12,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1911108852, now seen corresponding path program 1 times [2018-11-18 15:58:12,861 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:58:12,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:58:12,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:58:12,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:58:12,863 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:58:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:58:12,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:58:12,919 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:58:12,919 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:58:12,922 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:58:12,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:58:12,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:58:12,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:58:12,923 INFO L87 Difference]: Start difference. First operand 669 states and 829 transitions. Second operand 3 states. [2018-11-18 15:58:12,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:58:12,975 INFO L93 Difference]: Finished difference Result 1080 states and 1378 transitions. [2018-11-18 15:58:12,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:58:12,976 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2018-11-18 15:58:12,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:58:12,979 INFO L225 Difference]: With dead ends: 1080 [2018-11-18 15:58:12,979 INFO L226 Difference]: Without dead ends: 435 [2018-11-18 15:58:12,981 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:58:12,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2018-11-18 15:58:13,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 423. [2018-11-18 15:58:13,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2018-11-18 15:58:13,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 485 transitions. [2018-11-18 15:58:13,007 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 485 transitions. Word has length 62 [2018-11-18 15:58:13,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:58:13,008 INFO L480 AbstractCegarLoop]: Abstraction has 423 states and 485 transitions. [2018-11-18 15:58:13,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:58:13,008 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 485 transitions. [2018-11-18 15:58:13,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 15:58:13,010 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:58:13,010 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:58:13,010 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:58:13,011 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:58:13,011 INFO L82 PathProgramCache]: Analyzing trace with hash -1726260946, now seen corresponding path program 1 times [2018-11-18 15:58:13,011 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:58:13,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:58:13,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:58:13,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:58:13,012 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:58:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:58:13,155 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 15:58:13,156 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:58:13,156 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:58:13,157 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 91 with the following transitions: [2018-11-18 15:58:13,158 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [42], [44], [45], [46], [47], [59], [88], [92], [98], [102], [106], [109], [114], [120], [122], [125], [127], [130], [143], [144], [145], [146], [186], [193], [196], [206], [212], [216], [217], [239], [240], [241], [242], [243], [245], [246], [247], [248], [249], [250], [251], [252], [253], [259], [271], [272], [275], [276], [277], [278], [289], [290], [291], [292], [293] [2018-11-18 15:58:13,193 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:58:13,193 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:58:13,646 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 15:58:13,647 INFO L272 AbstractInterpreter]: Visited 60 different actions 72 times. Merged at 7 different actions 7 times. Never widened. Performed 2886 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2886 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 133 variables. [2018-11-18 15:58:13,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:58:13,654 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 15:58:13,982 INFO L227 lantSequenceWeakener]: Weakened 80 states. On average, predicates are now at 97.66% of their original sizes. [2018-11-18 15:58:13,982 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 15:58:14,167 INFO L415 sIntCurrentIteration]: We unified 89 AI predicates to 89 [2018-11-18 15:58:14,168 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 15:58:14,168 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:58:14,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [7] total 27 [2018-11-18 15:58:14,169 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:58:14,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-11-18 15:58:14,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-11-18 15:58:14,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2018-11-18 15:58:14,170 INFO L87 Difference]: Start difference. First operand 423 states and 485 transitions. Second operand 22 states. [2018-11-18 15:58:18,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:58:18,110 INFO L93 Difference]: Finished difference Result 576 states and 670 transitions. [2018-11-18 15:58:18,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-11-18 15:58:18,110 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 90 [2018-11-18 15:58:18,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:58:18,111 INFO L225 Difference]: With dead ends: 576 [2018-11-18 15:58:18,111 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 15:58:18,112 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 103 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=191, Invalid=1069, Unknown=0, NotChecked=0, Total=1260 [2018-11-18 15:58:18,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 15:58:18,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 15:58:18,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 15:58:18,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 15:58:18,112 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 90 [2018-11-18 15:58:18,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:58:18,112 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 15:58:18,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-11-18 15:58:18,112 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 15:58:18,112 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:58:18,115 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 15:58:19,419 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 532 538) the Hoare annotation is: true [2018-11-18 15:58:19,419 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 532 538) no Hoare annotation was computed. [2018-11-18 15:58:19,419 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 539 547) no Hoare annotation was computed. [2018-11-18 15:58:19,419 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 539 547) the Hoare annotation is: true [2018-11-18 15:58:19,419 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 539 547) no Hoare annotation was computed. [2018-11-18 15:58:19,419 INFO L421 ceAbstractionStarter]: At program point L831(line 831) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 (not (= ~waterLevel~0 2))))) [2018-11-18 15:58:19,419 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 817 841) the Hoare annotation is: true [2018-11-18 15:58:19,419 INFO L425 ceAbstractionStarter]: For program point L829(lines 829 835) no Hoare annotation was computed. [2018-11-18 15:58:19,419 INFO L421 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 (not (= ~waterLevel~0 2))))) [2018-11-18 15:58:19,419 INFO L425 ceAbstractionStarter]: For program point L827-1(line 827) no Hoare annotation was computed. [2018-11-18 15:58:19,419 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 838) no Hoare annotation was computed. [2018-11-18 15:58:19,419 INFO L425 ceAbstractionStarter]: For program point L825-1(lines 817 841) no Hoare annotation was computed. [2018-11-18 15:58:19,419 INFO L428 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: true [2018-11-18 15:58:19,419 INFO L425 ceAbstractionStarter]: For program point L823-1(line 823) no Hoare annotation was computed. [2018-11-18 15:58:19,420 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 817 841) no Hoare annotation was computed. [2018-11-18 15:58:19,420 INFO L421 ceAbstractionStarter]: At program point L927(line 927) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= main_~tmp~8 ~systemActive~0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:58:19,420 INFO L421 ceAbstractionStarter]: At program point L927-1(line 927) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= main_~tmp~8 ~systemActive~0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:58:19,420 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 915 937) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:58:19,420 INFO L425 ceAbstractionStarter]: For program point L925(lines 925 932) no Hoare annotation was computed. [2018-11-18 15:58:19,420 INFO L425 ceAbstractionStarter]: For program point L925-1(lines 925 932) no Hoare annotation was computed. [2018-11-18 15:58:19,420 INFO L425 ceAbstractionStarter]: For program point L923(line 923) no Hoare annotation was computed. [2018-11-18 15:58:19,420 INFO L421 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:58:19,420 INFO L421 ceAbstractionStarter]: At program point L921(line 921) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:58:19,420 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 915 937) no Hoare annotation was computed. [2018-11-18 15:58:19,420 INFO L421 ceAbstractionStarter]: At program point L921-1(line 921) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:58:19,420 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 915 937) no Hoare annotation was computed. [2018-11-18 15:58:19,420 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 801 815) no Hoare annotation was computed. [2018-11-18 15:58:19,420 INFO L421 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~waterLevel~0 2))) (or .cse0 (not (= ~waterLevel~0 1))))) [2018-11-18 15:58:19,420 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 801 815) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= |old(~systemActive~0)| 1))) (.cse4 (= ~systemActive~0 1)) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse0) (or (not (= |old(~systemActive~0)| 0)) .cse1 (= ~systemActive~0 0) .cse2) (or .cse1 .cse4 .cse5 .cse2) (or (or .cse1 .cse5) .cse4 .cse3))) [2018-11-18 15:58:19,420 INFO L425 ceAbstractionStarter]: For program point L805(lines 805 811) no Hoare annotation was computed. [2018-11-18 15:58:19,421 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 801 815) no Hoare annotation was computed. [2018-11-18 15:58:19,421 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 737 745) no Hoare annotation was computed. [2018-11-18 15:58:19,421 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 737 745) the Hoare annotation is: true [2018-11-18 15:58:19,421 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 737 745) no Hoare annotation was computed. [2018-11-18 15:58:19,421 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 782 800) the Hoare annotation is: true [2018-11-18 15:58:19,421 INFO L425 ceAbstractionStarter]: For program point L791(lines 791 795) no Hoare annotation was computed. [2018-11-18 15:58:19,421 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 782 800) no Hoare annotation was computed. [2018-11-18 15:58:19,421 INFO L428 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: true [2018-11-18 15:58:19,421 INFO L425 ceAbstractionStarter]: For program point L791-2(lines 791 795) no Hoare annotation was computed. [2018-11-18 15:58:19,421 INFO L425 ceAbstractionStarter]: For program point L789-1(line 789) no Hoare annotation was computed. [2018-11-18 15:58:19,421 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 782 800) no Hoare annotation was computed. [2018-11-18 15:58:19,421 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 525 531) no Hoare annotation was computed. [2018-11-18 15:58:19,421 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 525 531) the Hoare annotation is: true [2018-11-18 15:58:19,421 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 905 914) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:58:19,421 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 905 914) no Hoare annotation was computed. [2018-11-18 15:58:19,421 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 905 914) no Hoare annotation was computed. [2018-11-18 15:58:19,421 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 726 736) the Hoare annotation is: true [2018-11-18 15:58:19,421 INFO L428 ceAbstractionStarter]: At program point L731(line 731) the Hoare annotation is: true [2018-11-18 15:58:19,421 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 726 736) no Hoare annotation was computed. [2018-11-18 15:58:19,421 INFO L425 ceAbstractionStarter]: For program point L731-1(line 731) no Hoare annotation was computed. [2018-11-18 15:58:19,421 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 726 736) no Hoare annotation was computed. [2018-11-18 15:58:19,422 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 718 725) the Hoare annotation is: true [2018-11-18 15:58:19,422 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 718 725) no Hoare annotation was computed. [2018-11-18 15:58:19,422 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 718 725) no Hoare annotation was computed. [2018-11-18 15:58:19,422 INFO L421 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2))))) [2018-11-18 15:58:19,422 INFO L425 ceAbstractionStarter]: For program point L704-1(lines 685 709) no Hoare annotation was computed. [2018-11-18 15:58:19,422 INFO L421 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 15:58:19,422 INFO L421 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 15:58:19,422 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 685 709) no Hoare annotation was computed. [2018-11-18 15:58:19,422 INFO L425 ceAbstractionStarter]: For program point L693(lines 693 701) no Hoare annotation was computed. [2018-11-18 15:58:19,422 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 685 709) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2))))) [2018-11-18 15:58:19,422 INFO L421 ceAbstractionStarter]: At program point L691(line 691) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 15:58:19,422 INFO L425 ceAbstractionStarter]: For program point L691-1(line 691) no Hoare annotation was computed. [2018-11-18 15:58:19,422 INFO L425 ceAbstractionStarter]: For program point L689(lines 689 706) no Hoare annotation was computed. [2018-11-18 15:58:19,422 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 651 657) no Hoare annotation was computed. [2018-11-18 15:58:19,422 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 651 657) the Hoare annotation is: true [2018-11-18 15:58:19,422 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 552 617) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:58:19,422 INFO L421 ceAbstractionStarter]: At program point L607(lines 562 609) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 2) .cse0 .cse1))) [2018-11-18 15:58:19,423 INFO L421 ceAbstractionStarter]: At program point L574(line 574) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (or (= ~waterLevel~0 1) (= ~waterLevel~0 2)) (= test_~splverifierCounter~0 0))) [2018-11-18 15:58:19,423 INFO L425 ceAbstractionStarter]: For program point L572(lines 572 578) no Hoare annotation was computed. [2018-11-18 15:58:19,423 INFO L425 ceAbstractionStarter]: For program point L572-1(lines 572 578) no Hoare annotation was computed. [2018-11-18 15:58:19,423 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 552 617) no Hoare annotation was computed. [2018-11-18 15:58:19,423 INFO L425 ceAbstractionStarter]: For program point L564(lines 564 568) no Hoare annotation was computed. [2018-11-18 15:58:19,423 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 562 609) no Hoare annotation was computed. [2018-11-18 15:58:19,423 INFO L421 ceAbstractionStarter]: At program point L610(lines 561 611) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:58:19,423 INFO L421 ceAbstractionStarter]: At program point L600(line 600) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 2) .cse0 .cse1))) [2018-11-18 15:58:19,423 INFO L425 ceAbstractionStarter]: For program point L598(lines 598 604) no Hoare annotation was computed. [2018-11-18 15:58:19,423 INFO L421 ceAbstractionStarter]: At program point L598-1(lines 592 605) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 2) .cse0 .cse1))) [2018-11-18 15:58:19,423 INFO L425 ceAbstractionStarter]: For program point L563(lines 562 609) no Hoare annotation was computed. [2018-11-18 15:58:19,423 INFO L425 ceAbstractionStarter]: For program point L592(lines 592 605) no Hoare annotation was computed. [2018-11-18 15:58:19,423 INFO L421 ceAbstractionStarter]: At program point L584(line 584) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 2) .cse0 .cse1))) [2018-11-18 15:58:19,423 INFO L425 ceAbstractionStarter]: For program point L582(lines 582 588) no Hoare annotation was computed. [2018-11-18 15:58:19,423 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 588) no Hoare annotation was computed. [2018-11-18 15:58:19,423 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 552 617) no Hoare annotation was computed. [2018-11-18 15:58:19,423 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 501 509) no Hoare annotation was computed. [2018-11-18 15:58:19,424 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 501 509) the Hoare annotation is: true [2018-11-18 15:58:19,424 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 501 509) no Hoare annotation was computed. [2018-11-18 15:58:19,424 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:58:19,424 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:58:19,424 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:58:19,424 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 492 500) the Hoare annotation is: true [2018-11-18 15:58:19,424 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 492 500) no Hoare annotation was computed. [2018-11-18 15:58:19,424 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 492 500) no Hoare annotation was computed. [2018-11-18 15:58:19,424 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 448 459) the Hoare annotation is: true [2018-11-18 15:58:19,424 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 448 459) no Hoare annotation was computed. [2018-11-18 15:58:19,424 INFO L425 ceAbstractionStarter]: For program point L452-1(lines 448 459) no Hoare annotation was computed. [2018-11-18 15:58:19,424 INFO L425 ceAbstractionStarter]: For program point L865(line 865) no Hoare annotation was computed. [2018-11-18 15:58:19,424 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 844 873) no Hoare annotation was computed. [2018-11-18 15:58:19,424 INFO L425 ceAbstractionStarter]: For program point L855(line 855) no Hoare annotation was computed. [2018-11-18 15:58:19,424 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 844 873) the Hoare annotation is: true [2018-11-18 15:58:19,424 INFO L425 ceAbstractionStarter]: For program point L858(lines 858 862) no Hoare annotation was computed. [2018-11-18 15:58:19,424 INFO L428 ceAbstractionStarter]: At program point L858-1(lines 858 862) the Hoare annotation is: true [2018-11-18 15:58:19,424 INFO L425 ceAbstractionStarter]: For program point L854-1(lines 854 868) no Hoare annotation was computed. [2018-11-18 15:58:19,424 INFO L428 ceAbstractionStarter]: At program point L854-3(lines 854 868) the Hoare annotation is: true [2018-11-18 15:58:19,424 INFO L428 ceAbstractionStarter]: At program point L850(line 850) the Hoare annotation is: true [2018-11-18 15:58:19,424 INFO L425 ceAbstractionStarter]: For program point L850-1(line 850) no Hoare annotation was computed. [2018-11-18 15:58:19,424 INFO L428 ceAbstractionStarter]: At program point L869(lines 844 873) the Hoare annotation is: true [2018-11-18 15:58:19,425 INFO L421 ceAbstractionStarter]: At program point L640(line 640) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 0))) (.cse2 (= ~pumpRunning~0 0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse1 .cse2)) (or .cse0 (and .cse1 (= ~waterLevel~0 2) .cse2) (not (= |old(~waterLevel~0)| 2))))) [2018-11-18 15:58:19,425 INFO L421 ceAbstractionStarter]: At program point L638(lines 638 644) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse1)) (or .cse0 (and (= ~waterLevel~0 2) .cse1) (not (= |old(~waterLevel~0)| 2))))) [2018-11-18 15:58:19,425 INFO L421 ceAbstractionStarter]: At program point L633(line 633) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (= |old(~waterLevel~0)| 2))))) [2018-11-18 15:58:19,425 INFO L425 ceAbstractionStarter]: For program point L631(lines 630 649) no Hoare annotation was computed. [2018-11-18 15:58:19,425 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 627 650) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse1)) (or .cse0 (and (= ~waterLevel~0 2) .cse1) (not (= |old(~waterLevel~0)| 2))))) [2018-11-18 15:58:19,425 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 627 650) no Hoare annotation was computed. [2018-11-18 15:58:19,425 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 627 650) no Hoare annotation was computed. [2018-11-18 15:58:19,425 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 460 468) the Hoare annotation is: true [2018-11-18 15:58:19,425 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 460 468) no Hoare annotation was computed. [2018-11-18 15:58:19,425 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 460 468) no Hoare annotation was computed. [2018-11-18 15:58:19,425 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 424 435) the Hoare annotation is: true [2018-11-18 15:58:19,425 INFO L425 ceAbstractionStarter]: For program point L428-1(lines 424 435) no Hoare annotation was computed. [2018-11-18 15:58:19,425 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 424 435) no Hoare annotation was computed. [2018-11-18 15:58:19,425 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 898 904) no Hoare annotation was computed. [2018-11-18 15:58:19,425 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 898 904) the Hoare annotation is: true [2018-11-18 15:58:19,425 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:58:19,425 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-18 15:58:19,426 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:58:19,426 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:58:19,426 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 436 447) no Hoare annotation was computed. [2018-11-18 15:58:19,426 INFO L425 ceAbstractionStarter]: For program point L440-1(lines 436 447) no Hoare annotation was computed. [2018-11-18 15:58:19,426 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 436 447) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= ~waterLevel~0 2) (not (= |old(~waterLevel~0)| 2))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)))) [2018-11-18 15:58:19,426 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-18 15:58:19,426 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-18 15:58:19,426 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-18 15:58:19,426 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-18 15:58:19,427 INFO L421 ceAbstractionStarter]: At program point L673(line 673) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 15:58:19,427 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 659 683) no Hoare annotation was computed. [2018-11-18 15:58:19,427 INFO L421 ceAbstractionStarter]: At program point L669(line 669) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 15:58:19,427 INFO L425 ceAbstractionStarter]: For program point L667(lines 667 675) no Hoare annotation was computed. [2018-11-18 15:58:19,427 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 659 683) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2))))) [2018-11-18 15:58:19,427 INFO L421 ceAbstractionStarter]: At program point L665(line 665) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 15:58:19,427 INFO L425 ceAbstractionStarter]: For program point L665-1(line 665) no Hoare annotation was computed. [2018-11-18 15:58:19,427 INFO L425 ceAbstractionStarter]: For program point L663(lines 663 680) no Hoare annotation was computed. [2018-11-18 15:58:19,427 INFO L421 ceAbstractionStarter]: At program point L678(line 678) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2))))) [2018-11-18 15:58:19,427 INFO L425 ceAbstractionStarter]: For program point L678-1(lines 659 683) no Hoare annotation was computed. [2018-11-18 15:58:19,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:58:19 BoogieIcfgContainer [2018-11-18 15:58:19,443 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:58:19,444 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:58:19,444 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:58:19,444 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:58:19,444 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:58:11" (3/4) ... [2018-11-18 15:58:19,448 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:58:19,452 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 15:58:19,453 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 15:58:19,453 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-18 15:58:19,453 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 15:58:19,453 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 15:58:19,453 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 15:58:19,453 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 15:58:19,453 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 15:58:19,453 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 15:58:19,453 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 15:58:19,453 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 15:58:19,454 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 15:58:19,454 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 15:58:19,454 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 15:58:19,454 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 15:58:19,454 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 15:58:19,454 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 15:58:19,454 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 15:58:19,454 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 15:58:19,454 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 15:58:19,454 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 15:58:19,454 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 15:58:19,454 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 15:58:19,455 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 15:58:19,455 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 15:58:19,455 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 15:58:19,462 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2018-11-18 15:58:19,463 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 15:58:19,463 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 15:58:19,486 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && pumpRunning == 0) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || ((waterLevel == 2 && pumpRunning == 0) && splverifierCounter == 0) [2018-11-18 15:58:19,487 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 15:58:19,521 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fd34f83d-fb21-4b1f-8346-ded93e7ea6f1/bin-2019/utaipan/witness.graphml [2018-11-18 15:58:19,521 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:58:19,522 INFO L168 Benchmark]: Toolchain (without parser) took 9283.90 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 521.7 MB). Free memory was 957.5 MB in the beginning and 981.3 MB in the end (delta: -23.8 MB). Peak memory consumption was 497.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:58:19,523 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:58:19,523 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:58:19,523 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.74 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. [2018-11-18 15:58:19,523 INFO L168 Benchmark]: Boogie Preprocessor took 29.43 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:58:19,524 INFO L168 Benchmark]: RCFGBuilder took 449.98 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: 59.8 MB). Peak memory consumption was 59.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:58:19,524 INFO L168 Benchmark]: TraceAbstraction took 8330.13 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 375.9 MB). Free memory was 1.1 GB in the beginning and 993.1 MB in the end (delta: 76.2 MB). Peak memory consumption was 452.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:58:19,524 INFO L168 Benchmark]: Witness Printer took 77.45 ms. Allocated memory is still 1.6 GB. Free memory was 993.1 MB in the beginning and 981.3 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:58:19,525 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 372.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.43 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 449.98 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: 59.8 MB). Peak memory consumption was 59.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8330.13 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 375.9 MB). Free memory was 1.1 GB in the beginning and 993.1 MB in the end (delta: 76.2 MB). Peak memory consumption was 452.1 MB. Max. memory is 11.5 GB. * Witness Printer took 77.45 ms. Allocated memory is still 1.6 GB. Free memory was 993.1 MB in the beginning and 981.3 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 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: 562]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && pumpRunning == 0) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || ((waterLevel == 2 && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 143 locations, 1 error locations. SAFE Result, 8.2s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 4.9s AutomataDifference, 0.0s DeadEndRemovalTime, 1.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 904 SDtfs, 887 SDslu, 2935 SDs, 0 SdLazy, 1328 SolverSat, 168 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 148 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=669occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.4s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.997070320925492 AbsIntWeakeningRatio, 1.0561797752808988 AbsIntAvgWeakeningVarsNumRemoved, 76.40449438202248 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 32 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 789 PreInvPairs, 836 NumberOfFragments, 954 HoareAnnotationTreeSize, 789 FomulaSimplifications, 1864 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 60 FomulaSimplificationsInter, 4129 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 356 NumberOfCodeBlocks, 356 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 350 ConstructedInterpolants, 0 QuantifiedInterpolants, 37299 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 21/24 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...