./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product23_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6cae08a1-3833-401e-b47d-02f18f56e137/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6cae08a1-3833-401e-b47d-02f18f56e137/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6cae08a1-3833-401e-b47d-02f18f56e137/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6cae08a1-3833-401e-b47d-02f18f56e137/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product23_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6cae08a1-3833-401e-b47d-02f18f56e137/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6cae08a1-3833-401e-b47d-02f18f56e137/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 04a2c328d9e0793c06665765e370a46edcd58ae6 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 10:35:10,508 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 10:35:10,509 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 10:35:10,517 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 10:35:10,517 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 10:35:10,517 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 10:35:10,518 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 10:35:10,519 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 10:35:10,520 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 10:35:10,521 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 10:35:10,522 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 10:35:10,522 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 10:35:10,522 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 10:35:10,523 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 10:35:10,524 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 10:35:10,524 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 10:35:10,525 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 10:35:10,526 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 10:35:10,528 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 10:35:10,529 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 10:35:10,529 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 10:35:10,530 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 10:35:10,532 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 10:35:10,532 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 10:35:10,532 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 10:35:10,533 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 10:35:10,534 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 10:35:10,534 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 10:35:10,535 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 10:35:10,535 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 10:35:10,536 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 10:35:10,536 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 10:35:10,536 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 10:35:10,537 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 10:35:10,537 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 10:35:10,537 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 10:35:10,538 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6cae08a1-3833-401e-b47d-02f18f56e137/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 10:35:10,547 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 10:35:10,547 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 10:35:10,548 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 10:35:10,548 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 10:35:10,548 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 10:35:10,548 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 10:35:10,548 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 10:35:10,549 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 10:35:10,549 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 10:35:10,549 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 10:35:10,549 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 10:35:10,549 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 10:35:10,549 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 10:35:10,549 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 10:35:10,549 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 10:35:10,549 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 10:35:10,550 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 10:35:10,550 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 10:35:10,550 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 10:35:10,550 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 10:35:10,550 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 10:35:10,550 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 10:35:10,550 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 10:35:10,551 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 10:35:10,551 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 10:35:10,551 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 10:35:10,551 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 10:35:10,551 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 10:35:10,551 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 10:35:10,551 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 10:35:10,551 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_6cae08a1-3833-401e-b47d-02f18f56e137/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 -> 04a2c328d9e0793c06665765e370a46edcd58ae6 [2018-11-28 10:35:10,573 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 10:35:10,581 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 10:35:10,583 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 10:35:10,583 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 10:35:10,584 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 10:35:10,584 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6cae08a1-3833-401e-b47d-02f18f56e137/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product23_true-unreach-call_false-termination.cil.c [2018-11-28 10:35:10,621 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6cae08a1-3833-401e-b47d-02f18f56e137/bin-2019/uautomizer/data/888c98d1f/915816603fe14515861b992bd8bc2b95/FLAG4b50821f7 [2018-11-28 10:35:11,040 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 10:35:11,041 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6cae08a1-3833-401e-b47d-02f18f56e137/sv-benchmarks/c/product-lines/minepump_spec2_product23_true-unreach-call_false-termination.cil.c [2018-11-28 10:35:11,047 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6cae08a1-3833-401e-b47d-02f18f56e137/bin-2019/uautomizer/data/888c98d1f/915816603fe14515861b992bd8bc2b95/FLAG4b50821f7 [2018-11-28 10:35:11,056 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6cae08a1-3833-401e-b47d-02f18f56e137/bin-2019/uautomizer/data/888c98d1f/915816603fe14515861b992bd8bc2b95 [2018-11-28 10:35:11,058 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 10:35:11,059 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 10:35:11,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 10:35:11,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 10:35:11,062 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 10:35:11,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:35:11" (1/1) ... [2018-11-28 10:35:11,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9d208f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:35:11, skipping insertion in model container [2018-11-28 10:35:11,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:35:11" (1/1) ... [2018-11-28 10:35:11,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 10:35:11,097 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 10:35:11,274 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:35:11,349 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 10:35:11,407 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:35:11,430 INFO L195 MainTranslator]: Completed translation [2018-11-28 10:35:11,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:35:11 WrapperNode [2018-11-28 10:35:11,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 10:35:11,431 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 10:35:11,431 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 10:35:11,431 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 10:35:11,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:35:11" (1/1) ... [2018-11-28 10:35:11,452 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:35:11" (1/1) ... [2018-11-28 10:35:11,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 10:35:11,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 10:35:11,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 10:35:11,460 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 10:35:11,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:35:11" (1/1) ... [2018-11-28 10:35:11,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:35:11" (1/1) ... [2018-11-28 10:35:11,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:35:11" (1/1) ... [2018-11-28 10:35:11,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:35:11" (1/1) ... [2018-11-28 10:35:11,478 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:35:11" (1/1) ... [2018-11-28 10:35:11,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:35:11" (1/1) ... [2018-11-28 10:35:11,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:35:11" (1/1) ... [2018-11-28 10:35:11,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 10:35:11,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 10:35:11,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 10:35:11,489 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 10:35:11,490 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:35:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6cae08a1-3833-401e-b47d-02f18f56e137/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 [2018-11-28 10:35:11,535 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 10:35:11,535 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 10:35:11,535 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 10:35:11,536 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 10:35:11,536 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 10:35:11,536 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 10:35:11,536 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 10:35:11,536 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 10:35:11,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 10:35:11,536 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 10:35:11,536 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 10:35:11,536 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 10:35:11,537 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 10:35:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 10:35:11,537 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 10:35:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 10:35:11,537 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 10:35:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 10:35:11,537 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 10:35:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-28 10:35:11,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-28 10:35:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-28 10:35:11,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-28 10:35:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 10:35:11,538 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 10:35:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 10:35:11,538 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 10:35:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 10:35:11,538 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 10:35:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 10:35:11,539 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 10:35:11,539 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 10:35:11,539 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 10:35:11,539 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 10:35:11,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 10:35:11,539 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 10:35:11,539 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 10:35:11,539 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 10:35:11,539 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 10:35:11,539 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 10:35:11,540 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 10:35:11,540 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 10:35:11,540 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 10:35:11,540 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 10:35:11,540 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 10:35:11,540 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 10:35:11,540 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 10:35:11,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 10:35:11,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 10:35:11,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 10:35:11,541 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 10:35:11,541 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 10:35:11,541 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 10:35:11,541 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 10:35:11,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 10:35:11,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 10:35:12,013 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 10:35:12,014 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 10:35:12,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:35:12 BoogieIcfgContainer [2018-11-28 10:35:12,014 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 10:35:12,015 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 10:35:12,015 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 10:35:12,017 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 10:35:12,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 10:35:11" (1/3) ... [2018-11-28 10:35:12,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@be32028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:35:12, skipping insertion in model container [2018-11-28 10:35:12,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:35:11" (2/3) ... [2018-11-28 10:35:12,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@be32028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:35:12, skipping insertion in model container [2018-11-28 10:35:12,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:35:12" (3/3) ... [2018-11-28 10:35:12,020 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product23_true-unreach-call_false-termination.cil.c [2018-11-28 10:35:12,028 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 10:35:12,035 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 10:35:12,048 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 10:35:12,073 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 10:35:12,074 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 10:35:12,074 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 10:35:12,074 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 10:35:12,074 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 10:35:12,074 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 10:35:12,075 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 10:35:12,075 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 10:35:12,075 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 10:35:12,092 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-11-28 10:35:12,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 10:35:12,098 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:35:12,099 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:35:12,101 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:35:12,106 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:35:12,106 INFO L82 PathProgramCache]: Analyzing trace with hash -1045258445, now seen corresponding path program 1 times [2018-11-28 10:35:12,108 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:35:12,108 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:35:12,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:35:12,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:35:12,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:35:12,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:35:12,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:35:12,294 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:35:12,295 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 10:35:12,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 10:35:12,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 10:35:12,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 10:35:12,307 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 2 states. [2018-11-28 10:35:12,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:35:12,332 INFO L93 Difference]: Finished difference Result 256 states and 323 transitions. [2018-11-28 10:35:12,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 10:35:12,333 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-28 10:35:12,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:35:12,343 INFO L225 Difference]: With dead ends: 256 [2018-11-28 10:35:12,344 INFO L226 Difference]: Without dead ends: 130 [2018-11-28 10:35:12,347 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 10:35:12,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-11-28 10:35:12,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-11-28 10:35:12,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-28 10:35:12,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 155 transitions. [2018-11-28 10:35:12,390 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 155 transitions. Word has length 51 [2018-11-28 10:35:12,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:35:12,391 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 155 transitions. [2018-11-28 10:35:12,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 10:35:12,391 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 155 transitions. [2018-11-28 10:35:12,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 10:35:12,393 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:35:12,394 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:35:12,394 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:35:12,394 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:35:12,395 INFO L82 PathProgramCache]: Analyzing trace with hash 1150827369, now seen corresponding path program 1 times [2018-11-28 10:35:12,395 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:35:12,395 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:35:12,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:35:12,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:35:12,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:35:12,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:35:12,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:35:12,469 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:35:12,470 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 10:35:12,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 10:35:12,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 10:35:12,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 10:35:12,471 INFO L87 Difference]: Start difference. First operand 130 states and 155 transitions. Second operand 3 states. [2018-11-28 10:35:12,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:35:12,491 INFO L93 Difference]: Finished difference Result 199 states and 237 transitions. [2018-11-28 10:35:12,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 10:35:12,491 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-28 10:35:12,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:35:12,492 INFO L225 Difference]: With dead ends: 199 [2018-11-28 10:35:12,492 INFO L226 Difference]: Without dead ends: 121 [2018-11-28 10:35:12,493 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 10:35:12,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-11-28 10:35:12,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-11-28 10:35:12,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-11-28 10:35:12,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 143 transitions. [2018-11-28 10:35:12,505 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 143 transitions. Word has length 52 [2018-11-28 10:35:12,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:35:12,505 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 143 transitions. [2018-11-28 10:35:12,506 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 10:35:12,506 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 143 transitions. [2018-11-28 10:35:12,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-28 10:35:12,507 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:35:12,508 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] [2018-11-28 10:35:12,508 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:35:12,508 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:35:12,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1069623512, now seen corresponding path program 1 times [2018-11-28 10:35:12,508 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:35:12,508 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:35:12,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:35:12,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:35:12,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:35:12,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:35:12,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:35:12,648 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:35:12,648 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 10:35:12,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 10:35:12,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 10:35:12,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 10:35:12,649 INFO L87 Difference]: Start difference. First operand 121 states and 143 transitions. Second operand 7 states. [2018-11-28 10:35:13,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:35:13,005 INFO L93 Difference]: Finished difference Result 358 states and 441 transitions. [2018-11-28 10:35:13,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 10:35:13,006 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-11-28 10:35:13,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:35:13,008 INFO L225 Difference]: With dead ends: 358 [2018-11-28 10:35:13,008 INFO L226 Difference]: Without dead ends: 265 [2018-11-28 10:35:13,009 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 10:35:13,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-11-28 10:35:13,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 257. [2018-11-28 10:35:13,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2018-11-28 10:35:13,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 316 transitions. [2018-11-28 10:35:13,040 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 316 transitions. Word has length 56 [2018-11-28 10:35:13,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:35:13,041 INFO L480 AbstractCegarLoop]: Abstraction has 257 states and 316 transitions. [2018-11-28 10:35:13,041 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 10:35:13,041 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 316 transitions. [2018-11-28 10:35:13,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-28 10:35:13,043 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:35:13,043 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:35:13,046 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:35:13,046 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:35:13,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1036471428, now seen corresponding path program 1 times [2018-11-28 10:35:13,046 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:35:13,046 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:35:13,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:35:13,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:35:13,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:35:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:35:13,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:35:13,141 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:35:13,141 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 10:35:13,141 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 10:35:13,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 10:35:13,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 10:35:13,142 INFO L87 Difference]: Start difference. First operand 257 states and 316 transitions. Second operand 6 states. [2018-11-28 10:35:13,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:35:13,264 INFO L93 Difference]: Finished difference Result 697 states and 882 transitions. [2018-11-28 10:35:13,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 10:35:13,265 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-11-28 10:35:13,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:35:13,269 INFO L225 Difference]: With dead ends: 697 [2018-11-28 10:35:13,269 INFO L226 Difference]: Without dead ends: 468 [2018-11-28 10:35:13,271 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 10:35:13,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2018-11-28 10:35:13,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 462. [2018-11-28 10:35:13,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2018-11-28 10:35:13,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 572 transitions. [2018-11-28 10:35:13,308 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 572 transitions. Word has length 62 [2018-11-28 10:35:13,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:35:13,308 INFO L480 AbstractCegarLoop]: Abstraction has 462 states and 572 transitions. [2018-11-28 10:35:13,309 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 10:35:13,309 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 572 transitions. [2018-11-28 10:35:13,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-28 10:35:13,312 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:35:13,312 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:35:13,312 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:35:13,312 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:35:13,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1145909464, now seen corresponding path program 1 times [2018-11-28 10:35:13,312 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:35:13,313 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:35:13,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:35:13,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:35:13,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:35:13,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:35:13,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:35:13,406 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:35:13,406 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 10:35:13,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 10:35:13,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 10:35:13,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 10:35:13,407 INFO L87 Difference]: Start difference. First operand 462 states and 572 transitions. Second operand 7 states. [2018-11-28 10:35:13,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:35:13,666 INFO L93 Difference]: Finished difference Result 748 states and 953 transitions. [2018-11-28 10:35:13,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 10:35:13,667 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-28 10:35:13,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:35:13,667 INFO L225 Difference]: With dead ends: 748 [2018-11-28 10:35:13,667 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 10:35:13,669 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-28 10:35:13,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 10:35:13,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 10:35:13,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 10:35:13,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 10:35:13,669 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2018-11-28 10:35:13,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:35:13,670 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 10:35:13,670 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 10:35:13,670 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 10:35:13,670 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 10:35:13,673 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 10:35:14,343 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 839 845) the Hoare annotation is: true [2018-11-28 10:35:14,343 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 839 845) no Hoare annotation was computed. [2018-11-28 10:35:14,343 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 846 854) no Hoare annotation was computed. [2018-11-28 10:35:14,343 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 846 854) the Hoare annotation is: true [2018-11-28 10:35:14,343 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 846 854) no Hoare annotation was computed. [2018-11-28 10:35:14,343 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 929 951) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:35:14,343 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 929 951) no Hoare annotation was computed. [2018-11-28 10:35:14,344 INFO L444 ceAbstractionStarter]: At program point L941(line 941) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~8 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:35:14,344 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 929 951) no Hoare annotation was computed. [2018-11-28 10:35:14,344 INFO L444 ceAbstractionStarter]: At program point L941-1(line 941) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~8 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:35:14,344 INFO L448 ceAbstractionStarter]: For program point L939(lines 939 946) no Hoare annotation was computed. [2018-11-28 10:35:14,344 INFO L448 ceAbstractionStarter]: For program point L939-1(lines 939 946) no Hoare annotation was computed. [2018-11-28 10:35:14,344 INFO L448 ceAbstractionStarter]: For program point L937(line 937) no Hoare annotation was computed. [2018-11-28 10:35:14,344 INFO L444 ceAbstractionStarter]: At program point L936(line 936) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:35:14,344 INFO L444 ceAbstractionStarter]: At program point L935(line 935) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:35:14,344 INFO L444 ceAbstractionStarter]: At program point L935-1(line 935) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:35:14,345 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 802 816) no Hoare annotation was computed. [2018-11-28 10:35:14,345 INFO L444 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-28 10:35:14,345 INFO L448 ceAbstractionStarter]: For program point L806(lines 806 812) no Hoare annotation was computed. [2018-11-28 10:35:14,345 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 802 816) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-11-28 10:35:14,345 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 802 816) no Hoare annotation was computed. [2018-11-28 10:35:14,345 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 738 746) no Hoare annotation was computed. [2018-11-28 10:35:14,345 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 738 746) the Hoare annotation is: true [2018-11-28 10:35:14,345 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 738 746) no Hoare annotation was computed. [2018-11-28 10:35:14,345 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 783 801) the Hoare annotation is: true [2018-11-28 10:35:14,345 INFO L448 ceAbstractionStarter]: For program point L792(lines 792 796) no Hoare annotation was computed. [2018-11-28 10:35:14,346 INFO L451 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: true [2018-11-28 10:35:14,346 INFO L448 ceAbstractionStarter]: For program point L792-2(lines 792 796) no Hoare annotation was computed. [2018-11-28 10:35:14,346 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 783 801) no Hoare annotation was computed. [2018-11-28 10:35:14,346 INFO L448 ceAbstractionStarter]: For program point L790-1(line 790) no Hoare annotation was computed. [2018-11-28 10:35:14,346 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 783 801) no Hoare annotation was computed. [2018-11-28 10:35:14,346 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 832 838) no Hoare annotation was computed. [2018-11-28 10:35:14,346 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 832 838) the Hoare annotation is: true [2018-11-28 10:35:14,346 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 918 928) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:35:14,346 INFO L444 ceAbstractionStarter]: At program point L923(line 923) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:35:14,346 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 918 928) no Hoare annotation was computed. [2018-11-28 10:35:14,347 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 918 928) no Hoare annotation was computed. [2018-11-28 10:35:14,347 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 727 737) the Hoare annotation is: true [2018-11-28 10:35:14,347 INFO L451 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: true [2018-11-28 10:35:14,347 INFO L448 ceAbstractionStarter]: For program point L732-1(line 732) no Hoare annotation was computed. [2018-11-28 10:35:14,347 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 727 737) no Hoare annotation was computed. [2018-11-28 10:35:14,347 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 727 737) no Hoare annotation was computed. [2018-11-28 10:35:14,347 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 719 726) the Hoare annotation is: true [2018-11-28 10:35:14,347 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 719 726) no Hoare annotation was computed. [2018-11-28 10:35:14,347 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 719 726) no Hoare annotation was computed. [2018-11-28 10:35:14,347 INFO L444 ceAbstractionStarter]: At program point L705(line 705) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 10:35:14,347 INFO L448 ceAbstractionStarter]: For program point L705-1(lines 686 710) no Hoare annotation was computed. [2018-11-28 10:35:14,347 INFO L444 ceAbstractionStarter]: At program point L700(line 700) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 10:35:14,348 INFO L444 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 10:35:14,348 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 686 710) no Hoare annotation was computed. [2018-11-28 10:35:14,348 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 702) no Hoare annotation was computed. [2018-11-28 10:35:14,348 INFO L444 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 10:35:14,348 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 686 710) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 10:35:14,348 INFO L448 ceAbstractionStarter]: For program point L692-1(line 692) no Hoare annotation was computed. [2018-11-28 10:35:14,348 INFO L448 ceAbstractionStarter]: For program point L690(lines 690 707) no Hoare annotation was computed. [2018-11-28 10:35:14,348 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 652 658) no Hoare annotation was computed. [2018-11-28 10:35:14,348 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 652 658) the Hoare annotation is: true [2018-11-28 10:35:14,348 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 555 620) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:35:14,349 INFO L444 ceAbstractionStarter]: At program point L603(line 603) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:35:14,349 INFO L448 ceAbstractionStarter]: For program point L601(lines 601 607) no Hoare annotation was computed. [2018-11-28 10:35:14,349 INFO L444 ceAbstractionStarter]: At program point L601-1(lines 595 608) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:35:14,349 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 555 620) no Hoare annotation was computed. [2018-11-28 10:35:14,349 INFO L448 ceAbstractionStarter]: For program point L566(lines 565 612) no Hoare annotation was computed. [2018-11-28 10:35:14,349 INFO L448 ceAbstractionStarter]: For program point L595(lines 595 608) no Hoare annotation was computed. [2018-11-28 10:35:14,349 INFO L444 ceAbstractionStarter]: At program point L587(line 587) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:35:14,349 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 591) no Hoare annotation was computed. [2018-11-28 10:35:14,349 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 585 591) no Hoare annotation was computed. [2018-11-28 10:35:14,350 INFO L444 ceAbstractionStarter]: At program point L610(lines 565 612) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:35:14,350 INFO L444 ceAbstractionStarter]: At program point L577(line 577) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:35:14,350 INFO L448 ceAbstractionStarter]: For program point L575(lines 575 581) no Hoare annotation was computed. [2018-11-28 10:35:14,350 INFO L448 ceAbstractionStarter]: For program point L575-1(lines 575 581) no Hoare annotation was computed. [2018-11-28 10:35:14,350 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 571) no Hoare annotation was computed. [2018-11-28 10:35:14,350 INFO L444 ceAbstractionStarter]: At program point L613(lines 564 614) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:35:14,350 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 555 620) no Hoare annotation was computed. [2018-11-28 10:35:14,350 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2018-11-28 10:35:14,350 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2018-11-28 10:35:14,350 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2018-11-28 10:35:14,350 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 166) no Hoare annotation was computed. [2018-11-28 10:35:14,351 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 169) no Hoare annotation was computed. [2018-11-28 10:35:14,351 INFO L444 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 10:35:14,351 INFO L448 ceAbstractionStarter]: For program point L157-1(line 157) no Hoare annotation was computed. [2018-11-28 10:35:14,351 INFO L448 ceAbstractionStarter]: For program point L155(lines 155 172) no Hoare annotation was computed. [2018-11-28 10:35:14,351 INFO L448 ceAbstractionStarter]: For program point L155-1(lines 147 175) no Hoare annotation was computed. [2018-11-28 10:35:14,351 INFO L451 ceAbstractionStarter]: At program point L153(line 153) the Hoare annotation is: true [2018-11-28 10:35:14,351 INFO L448 ceAbstractionStarter]: For program point L153-1(line 153) no Hoare annotation was computed. [2018-11-28 10:35:14,351 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 147 175) the Hoare annotation is: true [2018-11-28 10:35:14,351 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 147 175) no Hoare annotation was computed. [2018-11-28 10:35:14,351 INFO L444 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-28 10:35:14,351 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 139 146) the Hoare annotation is: true [2018-11-28 10:35:14,351 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 139 146) no Hoare annotation was computed. [2018-11-28 10:35:14,352 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 139 146) no Hoare annotation was computed. [2018-11-28 10:35:14,352 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 10:35:14,352 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-28 10:35:14,352 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 10:35:14,352 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-11-28 10:35:14,352 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-11-28 10:35:14,352 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-11-28 10:35:14,352 INFO L451 ceAbstractionStarter]: At program point L867-2(lines 867 881) the Hoare annotation is: true [2018-11-28 10:35:14,352 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 857 886) no Hoare annotation was computed. [2018-11-28 10:35:14,352 INFO L451 ceAbstractionStarter]: At program point L863(line 863) the Hoare annotation is: true [2018-11-28 10:35:14,352 INFO L448 ceAbstractionStarter]: For program point L863-1(line 863) no Hoare annotation was computed. [2018-11-28 10:35:14,352 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 857 886) the Hoare annotation is: true [2018-11-28 10:35:14,352 INFO L451 ceAbstractionStarter]: At program point L882(lines 857 886) the Hoare annotation is: true [2018-11-28 10:35:14,352 INFO L448 ceAbstractionStarter]: For program point L878(line 878) no Hoare annotation was computed. [2018-11-28 10:35:14,352 INFO L448 ceAbstractionStarter]: For program point L871(lines 871 875) no Hoare annotation was computed. [2018-11-28 10:35:14,352 INFO L451 ceAbstractionStarter]: At program point L871-1(lines 871 875) the Hoare annotation is: true [2018-11-28 10:35:14,352 INFO L448 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-11-28 10:35:14,352 INFO L444 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 10:35:14,352 INFO L444 ceAbstractionStarter]: At program point L639(lines 639 645) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 10:35:14,353 INFO L444 ceAbstractionStarter]: At program point L634(line 634) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-28 10:35:14,353 INFO L448 ceAbstractionStarter]: For program point L632(lines 631 650) no Hoare annotation was computed. [2018-11-28 10:35:14,353 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 628 651) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 10:35:14,353 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 628 651) no Hoare annotation was computed. [2018-11-28 10:35:14,353 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 628 651) no Hoare annotation was computed. [2018-11-28 10:35:14,353 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-11-28 10:35:14,353 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-11-28 10:35:14,353 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-11-28 10:35:14,353 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2018-11-28 10:35:14,353 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-11-28 10:35:14,353 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-11-28 10:35:14,353 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 911 917) no Hoare annotation was computed. [2018-11-28 10:35:14,353 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 911 917) the Hoare annotation is: true [2018-11-28 10:35:14,354 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 10:35:14,354 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-28 10:35:14,354 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 10:35:14,354 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 10:35:14,354 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-11-28 10:35:14,354 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-11-28 10:35:14,354 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: true [2018-11-28 10:35:14,354 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 543 550) no Hoare annotation was computed. [2018-11-28 10:35:14,354 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 547) no Hoare annotation was computed. [2018-11-28 10:35:14,354 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 543 550) the Hoare annotation is: true [2018-11-28 10:35:14,354 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 543 550) no Hoare annotation was computed. [2018-11-28 10:35:14,354 INFO L444 ceAbstractionStarter]: At program point L670(line 670) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 10:35:14,355 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 660 684) no Hoare annotation was computed. [2018-11-28 10:35:14,355 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 676) no Hoare annotation was computed. [2018-11-28 10:35:14,355 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 660 684) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 10:35:14,355 INFO L444 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 10:35:14,355 INFO L448 ceAbstractionStarter]: For program point L666-1(line 666) no Hoare annotation was computed. [2018-11-28 10:35:14,355 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 681) no Hoare annotation was computed. [2018-11-28 10:35:14,355 INFO L444 ceAbstractionStarter]: At program point L679(line 679) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 10:35:14,355 INFO L448 ceAbstractionStarter]: For program point L679-1(lines 660 684) no Hoare annotation was computed. [2018-11-28 10:35:14,355 INFO L444 ceAbstractionStarter]: At program point L674(line 674) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 10:35:14,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 10:35:14 BoogieIcfgContainer [2018-11-28 10:35:14,368 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 10:35:14,368 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 10:35:14,368 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 10:35:14,368 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 10:35:14,371 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:35:12" (3/4) ... [2018-11-28 10:35:14,375 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 10:35:14,381 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 10:35:14,381 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 10:35:14,381 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 10:35:14,381 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 10:35:14,381 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 10:35:14,381 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 10:35:14,381 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 10:35:14,381 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 10:35:14,381 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 10:35:14,382 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 10:35:14,382 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 10:35:14,382 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 10:35:14,382 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 10:35:14,382 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 10:35:14,382 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-28 10:35:14,382 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-28 10:35:14,382 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 10:35:14,382 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 10:35:14,382 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 10:35:14,382 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 10:35:14,382 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 10:35:14,383 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 10:35:14,383 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 10:35:14,383 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 10:35:14,383 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 10:35:14,383 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 10:35:14,389 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-28 10:35:14,390 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 10:35:14,390 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 10:35:14,390 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 10:35:14,391 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 10:35:14,391 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 10:35:14,418 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 10:35:14,418 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 10:35:14,454 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6cae08a1-3833-401e-b47d-02f18f56e137/bin-2019/uautomizer/witness.graphml [2018-11-28 10:35:14,454 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 10:35:14,455 INFO L168 Benchmark]: Toolchain (without parser) took 3396.96 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 251.1 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -145.6 MB). Peak memory consumption was 105.5 MB. Max. memory is 11.5 GB. [2018-11-28 10:35:14,456 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 10:35:14,456 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -197.2 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-11-28 10:35:14,457 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 10:35:14,457 INFO L168 Benchmark]: Boogie Preprocessor took 28.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 10:35:14,457 INFO L168 Benchmark]: RCFGBuilder took 525.56 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: 51.3 MB). Peak memory consumption was 51.3 MB. Max. memory is 11.5 GB. [2018-11-28 10:35:14,458 INFO L168 Benchmark]: TraceAbstraction took 2352.98 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 87.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -8.3 MB). Peak memory consumption was 295.1 MB. Max. memory is 11.5 GB. [2018-11-28 10:35:14,458 INFO L168 Benchmark]: Witness Printer took 86.42 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. [2018-11-28 10:35:14,460 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 371.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -197.2 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.78 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 28.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 525.56 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: 51.3 MB). Peak memory consumption was 51.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2352.98 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 87.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -8.3 MB). Peak memory consumption was 295.1 MB. Max. memory is 11.5 GB. * Witness Printer took 86.42 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 547]: 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: 867]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 143 locations, 1 error locations. SAFE Result, 2.2s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 726 SDtfs, 429 SDslu, 1387 SDs, 0 SdLazy, 467 SolverSat, 73 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=462occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 584 PreInvPairs, 629 NumberOfFragments, 551 HoareAnnotationTreeSize, 584 FomulaSimplifications, 397 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 61 FomulaSimplificationsInter, 2097 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 287 NumberOfCodeBlocks, 287 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 29734 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...