./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product30_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fcf847d0-4d30-4818-bf97-28f121f77a46/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fcf847d0-4d30-4818-bf97-28f121f77a46/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fcf847d0-4d30-4818-bf97-28f121f77a46/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fcf847d0-4d30-4818-bf97-28f121f77a46/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product30_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fcf847d0-4d30-4818-bf97-28f121f77a46/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fcf847d0-4d30-4818-bf97-28f121f77a46/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bd2e3a23ca3a9dd9f2f02315ad4615e39e48f52f .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 12:55:51,590 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:55:51,591 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:55:51,599 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:55:51,600 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:55:51,600 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:55:51,601 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:55:51,603 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:55:51,604 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:55:51,604 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:55:51,605 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:55:51,605 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:55:51,606 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:55:51,608 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:55:51,609 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:55:51,609 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:55:51,610 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:55:51,611 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:55:51,613 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:55:51,614 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:55:51,615 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:55:51,616 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:55:51,618 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:55:51,618 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:55:51,618 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:55:51,619 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:55:51,619 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:55:51,620 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:55:51,621 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:55:51,621 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:55:51,622 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:55:51,622 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:55:51,622 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:55:51,622 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:55:51,623 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:55:51,624 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:55:51,624 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fcf847d0-4d30-4818-bf97-28f121f77a46/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 12:55:51,634 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:55:51,634 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:55:51,635 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:55:51,635 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:55:51,636 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:55:51,636 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:55:51,636 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 12:55:51,636 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:55:51,636 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:55:51,636 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:55:51,637 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:55:51,637 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:55:51,637 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:55:51,637 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:55:51,637 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:55:51,637 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:55:51,638 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:55:51,638 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:55:51,638 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:55:51,638 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:55:51,638 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:55:51,638 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:55:51,638 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:55:51,639 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:55:51,639 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:55:51,639 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:55:51,639 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:55:51,639 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 12:55:51,639 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:55:51,639 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:55:51,640 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_fcf847d0-4d30-4818-bf97-28f121f77a46/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd2e3a23ca3a9dd9f2f02315ad4615e39e48f52f [2018-11-23 12:55:51,662 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:55:51,671 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:55:51,673 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:55:51,674 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:55:51,675 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:55:51,676 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fcf847d0-4d30-4818-bf97-28f121f77a46/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product30_true-unreach-call_false-termination.cil.c [2018-11-23 12:55:51,712 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fcf847d0-4d30-4818-bf97-28f121f77a46/bin-2019/uautomizer/data/5199de98b/3e4cecbeef334461b6d38f1a65c760cd/FLAGf1cae2a1a [2018-11-23 12:55:52,045 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:55:52,045 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fcf847d0-4d30-4818-bf97-28f121f77a46/sv-benchmarks/c/product-lines/minepump_spec4_product30_true-unreach-call_false-termination.cil.c [2018-11-23 12:55:52,052 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fcf847d0-4d30-4818-bf97-28f121f77a46/bin-2019/uautomizer/data/5199de98b/3e4cecbeef334461b6d38f1a65c760cd/FLAGf1cae2a1a [2018-11-23 12:55:52,063 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fcf847d0-4d30-4818-bf97-28f121f77a46/bin-2019/uautomizer/data/5199de98b/3e4cecbeef334461b6d38f1a65c760cd [2018-11-23 12:55:52,065 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:55:52,066 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:55:52,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:55:52,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:55:52,069 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:55:52,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:55:52" (1/1) ... [2018-11-23 12:55:52,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff9ad9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:52, skipping insertion in model container [2018-11-23 12:55:52,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:55:52" (1/1) ... [2018-11-23 12:55:52,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:55:52,108 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:55:52,305 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:55:52,314 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:55:52,413 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:55:52,431 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:55:52,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:52 WrapperNode [2018-11-23 12:55:52,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:55:52,432 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:55:52,432 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:55:52,432 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:55:52,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:52" (1/1) ... [2018-11-23 12:55:52,449 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:52" (1/1) ... [2018-11-23 12:55:52,457 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:55:52,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:55:52,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:55:52,457 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:55:52,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:52" (1/1) ... [2018-11-23 12:55:52,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:52" (1/1) ... [2018-11-23 12:55:52,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:52" (1/1) ... [2018-11-23 12:55:52,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:52" (1/1) ... [2018-11-23 12:55:52,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:52" (1/1) ... [2018-11-23 12:55:52,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:52" (1/1) ... [2018-11-23 12:55:52,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:52" (1/1) ... [2018-11-23 12:55:52,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:55:52,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:55:52,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:55:52,487 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:55:52,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fcf847d0-4d30-4818-bf97-28f121f77a46/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:55:52,528 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 12:55:52,529 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 12:55:52,529 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-23 12:55:52,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-23 12:55:52,529 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 12:55:52,529 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 12:55:52,529 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 12:55:52,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 12:55:52,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 12:55:52,530 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 12:55:52,530 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 12:55:52,530 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 12:55:52,530 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 12:55:52,530 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 12:55:52,530 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 12:55:52,530 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 12:55:52,530 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 12:55:52,531 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 12:55:52,531 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 12:55:52,531 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 12:55:52,531 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 12:55:52,531 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 12:55:52,531 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 12:55:52,531 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 12:55:52,531 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 12:55:52,531 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 12:55:52,532 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 12:55:52,532 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 12:55:52,532 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 12:55:52,532 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 12:55:52,532 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 12:55:52,532 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 12:55:52,532 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 12:55:52,532 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 12:55:52,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 12:55:52,533 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 12:55:52,533 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 12:55:52,533 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 12:55:52,533 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 12:55:52,533 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 12:55:52,533 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 12:55:52,533 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 12:55:52,533 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 12:55:52,533 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 12:55:52,533 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 12:55:52,534 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 12:55:52,534 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 12:55:52,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 12:55:52,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 12:55:52,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 12:55:52,534 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 12:55:52,534 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 12:55:52,534 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 12:55:52,534 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 12:55:52,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:55:52,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:55:52,920 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:55:52,921 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 12:55:52,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:55:52 BoogieIcfgContainer [2018-11-23 12:55:52,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:55:52,922 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 12:55:52,922 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 12:55:52,925 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 12:55:52,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:55:52" (1/3) ... [2018-11-23 12:55:52,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75fdcbaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:55:52, skipping insertion in model container [2018-11-23 12:55:52,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:52" (2/3) ... [2018-11-23 12:55:52,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75fdcbaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:55:52, skipping insertion in model container [2018-11-23 12:55:52,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:55:52" (3/3) ... [2018-11-23 12:55:52,928 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product30_true-unreach-call_false-termination.cil.c [2018-11-23 12:55:52,936 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 12:55:52,943 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 12:55:52,958 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 12:55:52,985 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 12:55:52,986 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 12:55:52,986 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 12:55:52,986 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 12:55:52,986 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:55:52,986 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:55:52,986 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 12:55:52,986 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:55:52,987 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 12:55:53,005 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-11-23 12:55:53,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 12:55:53,012 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:55:53,013 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:55:53,016 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:55:53,020 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:55:53,021 INFO L82 PathProgramCache]: Analyzing trace with hash 743000030, now seen corresponding path program 1 times [2018-11-23 12:55:53,022 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:55:53,023 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:55:53,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:55:53,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:55:53,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:55:53,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:55:53,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:55:53,224 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:55:53,224 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 12:55:53,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 12:55:53,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 12:55:53,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 12:55:53,240 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 2 states. [2018-11-23 12:55:53,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:55:53,263 INFO L93 Difference]: Finished difference Result 252 states and 311 transitions. [2018-11-23 12:55:53,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 12:55:53,264 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 12:55:53,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:55:53,271 INFO L225 Difference]: With dead ends: 252 [2018-11-23 12:55:53,271 INFO L226 Difference]: Without dead ends: 126 [2018-11-23 12:55:53,275 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 12:55:53,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-11-23 12:55:53,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-11-23 12:55:53,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-11-23 12:55:53,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2018-11-23 12:55:53,308 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 46 [2018-11-23 12:55:53,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:55:53,308 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2018-11-23 12:55:53,309 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 12:55:53,309 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2018-11-23 12:55:53,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 12:55:53,311 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:55:53,312 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:55:53,312 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:55:53,312 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:55:53,312 INFO L82 PathProgramCache]: Analyzing trace with hash -1312326450, now seen corresponding path program 1 times [2018-11-23 12:55:53,312 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:55:53,313 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:55:53,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:55:53,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:55:53,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:55:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:55:53,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:55:53,397 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:55:53,398 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:55:53,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:55:53,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:55:53,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:55:53,400 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 3 states. [2018-11-23 12:55:53,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:55:53,421 INFO L93 Difference]: Finished difference Result 197 states and 229 transitions. [2018-11-23 12:55:53,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:55:53,421 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 12:55:53,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:55:53,423 INFO L225 Difference]: With dead ends: 197 [2018-11-23 12:55:53,423 INFO L226 Difference]: Without dead ends: 117 [2018-11-23 12:55:53,424 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:55:53,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-11-23 12:55:53,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-11-23 12:55:53,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-11-23 12:55:53,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2018-11-23 12:55:53,434 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 47 [2018-11-23 12:55:53,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:55:53,434 INFO L480 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2018-11-23 12:55:53,434 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:55:53,434 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2018-11-23 12:55:53,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 12:55:53,436 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:55:53,436 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:55:53,436 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:55:53,436 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:55:53,436 INFO L82 PathProgramCache]: Analyzing trace with hash 1651298085, now seen corresponding path program 1 times [2018-11-23 12:55:53,436 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:55:53,436 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:55:53,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:55:53,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:55:53,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:55:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:55:53,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:55:53,568 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:55:53,568 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 12:55:53,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 12:55:53,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 12:55:53,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 12:55:53,569 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand 7 states. [2018-11-23 12:55:53,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:55:53,812 INFO L93 Difference]: Finished difference Result 210 states and 247 transitions. [2018-11-23 12:55:53,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 12:55:53,813 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-23 12:55:53,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:55:53,814 INFO L225 Difference]: With dead ends: 210 [2018-11-23 12:55:53,814 INFO L226 Difference]: Without dead ends: 117 [2018-11-23 12:55:53,815 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 12:55:53,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-11-23 12:55:53,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-11-23 12:55:53,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-11-23 12:55:53,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 134 transitions. [2018-11-23 12:55:53,826 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 134 transitions. Word has length 52 [2018-11-23 12:55:53,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:55:53,826 INFO L480 AbstractCegarLoop]: Abstraction has 117 states and 134 transitions. [2018-11-23 12:55:53,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 12:55:53,826 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 134 transitions. [2018-11-23 12:55:53,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 12:55:53,828 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:55:53,828 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:55:53,828 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:55:53,829 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:55:53,829 INFO L82 PathProgramCache]: Analyzing trace with hash -326304351, now seen corresponding path program 1 times [2018-11-23 12:55:53,829 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:55:53,829 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:55:53,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:55:53,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:55:53,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:55:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:55:53,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:55:53,935 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:55:53,935 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 12:55:53,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 12:55:53,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 12:55:53,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 12:55:53,936 INFO L87 Difference]: Start difference. First operand 117 states and 134 transitions. Second operand 10 states. [2018-11-23 12:55:54,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:55:54,253 INFO L93 Difference]: Finished difference Result 376 states and 457 transitions. [2018-11-23 12:55:54,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 12:55:54,253 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 65 [2018-11-23 12:55:54,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:55:54,257 INFO L225 Difference]: With dead ends: 376 [2018-11-23 12:55:54,257 INFO L226 Difference]: Without dead ends: 283 [2018-11-23 12:55:54,258 INFO L631 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 [2018-11-23 12:55:54,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2018-11-23 12:55:54,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 279. [2018-11-23 12:55:54,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2018-11-23 12:55:54,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 330 transitions. [2018-11-23 12:55:54,288 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 330 transitions. Word has length 65 [2018-11-23 12:55:54,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:55:54,288 INFO L480 AbstractCegarLoop]: Abstraction has 279 states and 330 transitions. [2018-11-23 12:55:54,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 12:55:54,288 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 330 transitions. [2018-11-23 12:55:54,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-23 12:55:54,291 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:55:54,291 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:55:54,292 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:55:54,292 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:55:54,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1442318917, now seen corresponding path program 1 times [2018-11-23 12:55:54,293 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:55:54,293 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:55:54,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:55:54,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:55:54,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:55:54,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:55:54,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:55:54,375 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:55:54,375 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:55:54,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:55:54,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:55:54,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:55:54,376 INFO L87 Difference]: Start difference. First operand 279 states and 330 transitions. Second operand 3 states. [2018-11-23 12:55:54,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:55:54,408 INFO L93 Difference]: Finished difference Result 431 states and 520 transitions. [2018-11-23 12:55:54,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:55:54,409 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2018-11-23 12:55:54,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:55:54,412 INFO L225 Difference]: With dead ends: 431 [2018-11-23 12:55:54,412 INFO L226 Difference]: Without dead ends: 176 [2018-11-23 12:55:54,413 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:55:54,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-11-23 12:55:54,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2018-11-23 12:55:54,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-11-23 12:55:54,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 194 transitions. [2018-11-23 12:55:54,428 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 194 transitions. Word has length 69 [2018-11-23 12:55:54,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:55:54,428 INFO L480 AbstractCegarLoop]: Abstraction has 176 states and 194 transitions. [2018-11-23 12:55:54,428 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:55:54,429 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 194 transitions. [2018-11-23 12:55:54,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-23 12:55:54,431 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:55:54,432 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:55:54,432 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:55:54,432 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:55:54,432 INFO L82 PathProgramCache]: Analyzing trace with hash 412132670, now seen corresponding path program 1 times [2018-11-23 12:55:54,432 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:55:54,432 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:55:54,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:55:54,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:55:54,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:55:54,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:55:54,584 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 12:55:54,586 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:55:54,586 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fcf847d0-4d30-4818-bf97-28f121f77a46/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:55:54,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:55:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:55:54,753 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:55:54,886 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 12:55:54,913 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:55:54,913 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-23 12:55:54,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 12:55:54,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 12:55:54,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-11-23 12:55:54,914 INFO L87 Difference]: Start difference. First operand 176 states and 194 transitions. Second operand 12 states. [2018-11-23 12:55:55,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:55:55,365 INFO L93 Difference]: Finished difference Result 227 states and 251 transitions. [2018-11-23 12:55:55,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 12:55:55,365 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 110 [2018-11-23 12:55:55,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:55:55,366 INFO L225 Difference]: With dead ends: 227 [2018-11-23 12:55:55,366 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 12:55:55,366 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-11-23 12:55:55,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 12:55:55,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 12:55:55,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 12:55:55,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 12:55:55,367 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2018-11-23 12:55:55,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:55:55,367 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 12:55:55,367 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 12:55:55,367 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:55:55,367 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:55:55,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 12:55:56,227 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 923 929) the Hoare annotation is: true [2018-11-23 12:55:56,227 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 923 929) no Hoare annotation was computed. [2018-11-23 12:55:56,227 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 930 938) no Hoare annotation was computed. [2018-11-23 12:55:56,227 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 930 938) the Hoare annotation is: true [2018-11-23 12:55:56,227 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 930 938) no Hoare annotation was computed. [2018-11-23 12:55:56,227 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 138 162) the Hoare annotation is: true [2018-11-23 12:55:56,228 INFO L444 ceAbstractionStarter]: At program point L152(line 152) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-23 12:55:56,228 INFO L448 ceAbstractionStarter]: For program point L150(lines 150 156) no Hoare annotation was computed. [2018-11-23 12:55:56,228 INFO L444 ceAbstractionStarter]: At program point L148(line 148) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-23 12:55:56,228 INFO L448 ceAbstractionStarter]: For program point L148-1(line 148) no Hoare annotation was computed. [2018-11-23 12:55:56,228 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 138 162) no Hoare annotation was computed. [2018-11-23 12:55:56,228 INFO L448 ceAbstractionStarter]: For program point L146(lines 146 159) no Hoare annotation was computed. [2018-11-23 12:55:56,228 INFO L448 ceAbstractionStarter]: For program point L146-1(lines 138 162) no Hoare annotation was computed. [2018-11-23 12:55:56,228 INFO L451 ceAbstractionStarter]: At program point L144(line 144) the Hoare annotation is: true [2018-11-23 12:55:56,229 INFO L448 ceAbstractionStarter]: For program point L144-1(line 144) no Hoare annotation was computed. [2018-11-23 12:55:56,229 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 881 903) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:55:56,229 INFO L444 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= main_~tmp~9 ~waterLevel~0) (= main_~tmp~9 ~systemActive~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:55:56,229 INFO L444 ceAbstractionStarter]: At program point L893-1(line 893) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= main_~tmp~9 ~waterLevel~0) (= main_~tmp~9 ~systemActive~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:55:56,229 INFO L448 ceAbstractionStarter]: For program point L891(lines 891 898) no Hoare annotation was computed. [2018-11-23 12:55:56,229 INFO L448 ceAbstractionStarter]: For program point L891-1(lines 891 898) no Hoare annotation was computed. [2018-11-23 12:55:56,229 INFO L448 ceAbstractionStarter]: For program point L889(line 889) no Hoare annotation was computed. [2018-11-23 12:55:56,229 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 881 903) no Hoare annotation was computed. [2018-11-23 12:55:56,230 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:55:56,230 INFO L444 ceAbstractionStarter]: At program point L887(line 887) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:55:56,230 INFO L444 ceAbstractionStarter]: At program point L887-1(line 887) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:55:56,230 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 881 903) no Hoare annotation was computed. [2018-11-23 12:55:56,234 INFO L444 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-23 12:55:56,234 INFO L448 ceAbstractionStarter]: For program point L223-1(lines 204 228) no Hoare annotation was computed. [2018-11-23 12:55:56,235 INFO L444 ceAbstractionStarter]: At program point L218(line 218) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-23 12:55:56,235 INFO L444 ceAbstractionStarter]: At program point L214(line 214) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-23 12:55:56,235 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 220) no Hoare annotation was computed. [2018-11-23 12:55:56,235 INFO L444 ceAbstractionStarter]: At program point L210(line 210) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-23 12:55:56,235 INFO L448 ceAbstractionStarter]: For program point L210-1(line 210) no Hoare annotation was computed. [2018-11-23 12:55:56,235 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 204 228) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-23 12:55:56,235 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 225) no Hoare annotation was computed. [2018-11-23 12:55:56,235 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 204 228) no Hoare annotation was computed. [2018-11-23 12:55:56,236 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 299 307) no Hoare annotation was computed. [2018-11-23 12:55:56,236 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 299 307) the Hoare annotation is: true [2018-11-23 12:55:56,236 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 299 307) no Hoare annotation was computed. [2018-11-23 12:55:56,236 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 357) no Hoare annotation was computed. [2018-11-23 12:55:56,236 INFO L451 ceAbstractionStarter]: At program point L351(line 351) the Hoare annotation is: true [2018-11-23 12:55:56,236 INFO L448 ceAbstractionStarter]: For program point L353-2(lines 353 357) no Hoare annotation was computed. [2018-11-23 12:55:56,237 INFO L448 ceAbstractionStarter]: For program point L351-1(line 351) no Hoare annotation was computed. [2018-11-23 12:55:56,237 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 344 362) the Hoare annotation is: true [2018-11-23 12:55:56,237 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 344 362) no Hoare annotation was computed. [2018-11-23 12:55:56,237 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 344 362) no Hoare annotation was computed. [2018-11-23 12:55:56,237 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 916 922) no Hoare annotation was computed. [2018-11-23 12:55:56,237 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 916 922) the Hoare annotation is: true [2018-11-23 12:55:56,237 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 868 877) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:55:56,237 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 868 877) no Hoare annotation was computed. [2018-11-23 12:55:56,237 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 868 877) no Hoare annotation was computed. [2018-11-23 12:55:56,237 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 288 298) the Hoare annotation is: true [2018-11-23 12:55:56,237 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 288 298) no Hoare annotation was computed. [2018-11-23 12:55:56,237 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 288 298) no Hoare annotation was computed. [2018-11-23 12:55:56,237 INFO L451 ceAbstractionStarter]: At program point L293(line 293) the Hoare annotation is: true [2018-11-23 12:55:56,237 INFO L448 ceAbstractionStarter]: For program point L293-1(line 293) no Hoare annotation was computed. [2018-11-23 12:55:56,237 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 280 287) the Hoare annotation is: true [2018-11-23 12:55:56,238 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 280 287) no Hoare annotation was computed. [2018-11-23 12:55:56,238 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 280 287) no Hoare annotation was computed. [2018-11-23 12:55:56,238 INFO L444 ceAbstractionStarter]: At program point L249(line 249) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-23 12:55:56,238 INFO L448 ceAbstractionStarter]: For program point L249-1(lines 230 254) no Hoare annotation was computed. [2018-11-23 12:55:56,238 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 230 254) no Hoare annotation was computed. [2018-11-23 12:55:56,238 INFO L444 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-23 12:55:56,238 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 230 254) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-23 12:55:56,238 INFO L444 ceAbstractionStarter]: At program point L240(line 240) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-23 12:55:56,238 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-23 12:55:56,238 INFO L444 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-23 12:55:56,238 INFO L448 ceAbstractionStarter]: For program point L236-1(line 236) no Hoare annotation was computed. [2018-11-23 12:55:56,239 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 251) no Hoare annotation was computed. [2018-11-23 12:55:56,239 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 196 202) no Hoare annotation was computed. [2018-11-23 12:55:56,239 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 196 202) the Hoare annotation is: true [2018-11-23 12:55:56,239 INFO L448 ceAbstractionStarter]: For program point L384(lines 383 430) no Hoare annotation was computed. [2018-11-23 12:55:56,239 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 373 438) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:55:56,239 INFO L444 ceAbstractionStarter]: At program point L415(line 415) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:55:56,239 INFO L448 ceAbstractionStarter]: For program point L413(lines 413 426) no Hoare annotation was computed. [2018-11-23 12:55:56,239 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 373 438) no Hoare annotation was computed. [2018-11-23 12:55:56,240 INFO L444 ceAbstractionStarter]: At program point L405(line 405) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:55:56,240 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 409) no Hoare annotation was computed. [2018-11-23 12:55:56,240 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 403 409) no Hoare annotation was computed. [2018-11-23 12:55:56,240 INFO L444 ceAbstractionStarter]: At program point L428(lines 383 430) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:55:56,240 INFO L444 ceAbstractionStarter]: At program point L395(line 395) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:55:56,240 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 399) no Hoare annotation was computed. [2018-11-23 12:55:56,240 INFO L448 ceAbstractionStarter]: For program point L393-1(lines 393 399) no Hoare annotation was computed. [2018-11-23 12:55:56,240 INFO L448 ceAbstractionStarter]: For program point L385(lines 385 389) no Hoare annotation was computed. [2018-11-23 12:55:56,240 INFO L444 ceAbstractionStarter]: At program point L431(lines 382 432) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:55:56,241 INFO L448 ceAbstractionStarter]: For program point L421(lines 421 425) no Hoare annotation was computed. [2018-11-23 12:55:56,241 INFO L444 ceAbstractionStarter]: At program point L421-2(lines 413 426) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:55:56,241 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 373 438) no Hoare annotation was computed. [2018-11-23 12:55:56,241 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2018-11-23 12:55:56,241 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2018-11-23 12:55:56,241 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2018-11-23 12:55:56,241 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:55:56,241 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-23 12:55:56,242 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:55:56,242 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2018-11-23 12:55:56,242 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2018-11-23 12:55:56,242 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2018-11-23 12:55:56,242 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-11-23 12:55:56,242 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2018-11-23 12:55:56,242 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-11-23 12:55:56,242 INFO L451 ceAbstractionStarter]: At program point L832(lines 807 836) the Hoare annotation is: true [2018-11-23 12:55:56,242 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 807 836) no Hoare annotation was computed. [2018-11-23 12:55:56,242 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 807 836) the Hoare annotation is: true [2018-11-23 12:55:56,243 INFO L448 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-11-23 12:55:56,243 INFO L448 ceAbstractionStarter]: For program point L821(lines 821 825) no Hoare annotation was computed. [2018-11-23 12:55:56,243 INFO L451 ceAbstractionStarter]: At program point L821-1(lines 821 825) the Hoare annotation is: true [2018-11-23 12:55:56,243 INFO L448 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2018-11-23 12:55:56,243 INFO L451 ceAbstractionStarter]: At program point L817-2(lines 817 831) the Hoare annotation is: true [2018-11-23 12:55:56,243 INFO L451 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: true [2018-11-23 12:55:56,243 INFO L448 ceAbstractionStarter]: For program point L813-1(line 813) no Hoare annotation was computed. [2018-11-23 12:55:56,243 INFO L444 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2) .cse2) (or .cse0 (and .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-23 12:55:56,244 INFO L444 ceAbstractionStarter]: At program point L183(lines 183 189) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2) .cse2) (or .cse0 (and .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-23 12:55:56,244 INFO L444 ceAbstractionStarter]: At program point L178(line 178) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) .cse1) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-23 12:55:56,244 INFO L448 ceAbstractionStarter]: For program point L176(lines 175 194) no Hoare annotation was computed. [2018-11-23 12:55:56,244 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 172 195) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2) .cse2) (or .cse0 (and .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-23 12:55:56,244 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 172 195) no Hoare annotation was computed. [2018-11-23 12:55:56,244 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 172 195) no Hoare annotation was computed. [2018-11-23 12:55:56,244 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-11-23 12:55:56,244 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-11-23 12:55:56,244 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-11-23 12:55:56,245 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2018-11-23 12:55:56,245 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-11-23 12:55:56,245 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-11-23 12:55:56,245 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 861 867) no Hoare annotation was computed. [2018-11-23 12:55:56,245 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 861 867) the Hoare annotation is: true [2018-11-23 12:55:56,245 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:55:56,245 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-11-23 12:55:56,245 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:55:56,245 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:55:56,245 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 363 370) no Hoare annotation was computed. [2018-11-23 12:55:56,246 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 363 370) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 1)) (.cse2 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2))) [2018-11-23 12:55:56,246 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 363 370) no Hoare annotation was computed. [2018-11-23 12:55:56,246 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-11-23 12:55:56,246 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-11-23 12:55:56,246 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0) .cse1 (< |old(~waterLevel~0)| 2)) (or .cse0 (= ~waterLevel~0 1) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-23 12:55:56,246 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 940 947) no Hoare annotation was computed. [2018-11-23 12:55:56,246 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 944) no Hoare annotation was computed. [2018-11-23 12:55:56,247 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 940 947) the Hoare annotation is: true [2018-11-23 12:55:56,247 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 940 947) no Hoare annotation was computed. [2018-11-23 12:55:56,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:55:56 BoogieIcfgContainer [2018-11-23 12:55:56,260 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 12:55:56,260 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:55:56,260 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:55:56,261 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:55:56,261 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:55:52" (3/4) ... [2018-11-23 12:55:56,264 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:55:56,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 12:55:56,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 12:55:56,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-23 12:55:56,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 12:55:56,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 12:55:56,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 12:55:56,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 12:55:56,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 12:55:56,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 12:55:56,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 12:55:56,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 12:55:56,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 12:55:56,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 12:55:56,270 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 12:55:56,270 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 12:55:56,270 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 12:55:56,270 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 12:55:56,270 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 12:55:56,270 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 12:55:56,270 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 12:55:56,270 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 12:55:56,270 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 12:55:56,270 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 12:55:56,270 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 12:55:56,271 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 12:55:56,271 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 12:55:56,276 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-23 12:55:56,276 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 12:55:56,277 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 12:55:56,277 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 12:55:56,277 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 12:55:56,277 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:55:56,278 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:55:56,299 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && systemActive == 1) && \old(waterLevel) <= waterLevel) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-23 12:55:56,299 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-23 12:55:56,332 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fcf847d0-4d30-4818-bf97-28f121f77a46/bin-2019/uautomizer/witness.graphml [2018-11-23 12:55:56,332 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:55:56,333 INFO L168 Benchmark]: Toolchain (without parser) took 4267.42 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 236.5 MB). Free memory was 955.4 MB in the beginning and 838.4 MB in the end (delta: 117.0 MB). Peak memory consumption was 353.4 MB. Max. memory is 11.5 GB. [2018-11-23 12:55:56,334 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-11-23 12:55:56,334 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -192.3 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:55:56,334 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.19 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. [2018-11-23 12:55:56,334 INFO L168 Benchmark]: Boogie Preprocessor took 28.90 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-23 12:55:56,335 INFO L168 Benchmark]: RCFGBuilder took 434.70 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: 56.7 MB). Peak memory consumption was 56.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:55:56,335 INFO L168 Benchmark]: TraceAbstraction took 3338.44 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 75.5 MB). Free memory was 1.1 GB in the beginning and 849.3 MB in the end (delta: 238.2 MB). Peak memory consumption was 313.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:55:56,335 INFO L168 Benchmark]: Witness Printer took 72.04 ms. Allocated memory is still 1.3 GB. Free memory was 849.3 MB in the beginning and 838.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-23 12:55:56,336 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 364.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -192.3 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.19 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 28.90 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 434.70 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: 56.7 MB). Peak memory consumption was 56.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3338.44 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 75.5 MB). Free memory was 1.1 GB in the beginning and 849.3 MB in the end (delta: 238.2 MB). Peak memory consumption was 313.7 MB. Max. memory is 11.5 GB. * Witness Printer took 72.04 ms. Allocated memory is still 1.3 GB. Free memory was 849.3 MB in the beginning and 838.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 944]: 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: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && systemActive == 1) && \old(waterLevel) <= waterLevel) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 139 locations, 1 error locations. SAFE Result, 3.2s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 769 SDtfs, 584 SDslu, 1594 SDs, 0 SdLazy, 948 SolverSat, 162 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 185 GetRequests, 142 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=279occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 408 PreInvPairs, 423 NumberOfFragments, 939 HoareAnnotationTreeSize, 408 FomulaSimplifications, 21 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 59 FomulaSimplificationsInter, 1194 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 499 NumberOfCodeBlocks, 499 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 492 ConstructedInterpolants, 0 QuantifiedInterpolants, 79598 SizeOfPredicates, 3 NumberOfNonLiveVariables, 764 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 68/74 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...