./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product18_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_f8c88f69-f99c-4942-b346-f75fa013b379/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f8c88f69-f99c-4942-b346-f75fa013b379/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f8c88f69-f99c-4942-b346-f75fa013b379/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f8c88f69-f99c-4942-b346-f75fa013b379/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product18_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f8c88f69-f99c-4942-b346-f75fa013b379/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f8c88f69-f99c-4942-b346-f75fa013b379/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 e9c38241666ec2c9dc2056ce7724b5bdf9baff18 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 01:27:37,378 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:27:37,379 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:27:37,387 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:27:37,387 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:27:37,388 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:27:37,389 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:27:37,390 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:27:37,391 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:27:37,391 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:27:37,392 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:27:37,392 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:27:37,393 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:27:37,394 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:27:37,394 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:27:37,395 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:27:37,395 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:27:37,396 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:27:37,398 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:27:37,398 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:27:37,399 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:27:37,400 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:27:37,401 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:27:37,402 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:27:37,402 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:27:37,402 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:27:37,403 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:27:37,404 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:27:37,404 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:27:37,405 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:27:37,405 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:27:37,405 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:27:37,405 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:27:37,405 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:27:37,406 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:27:37,406 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:27:37,406 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f8c88f69-f99c-4942-b346-f75fa013b379/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 01:27:37,414 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:27:37,414 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:27:37,415 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:27:37,415 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 01:27:37,415 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 01:27:37,415 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 01:27:37,416 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 01:27:37,416 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:27:37,416 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 01:27:37,416 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 01:27:37,416 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 01:27:37,416 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:27:37,416 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:27:37,417 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:27:37,417 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:27:37,417 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 01:27:37,417 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:27:37,417 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:27:37,417 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:27:37,419 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:27:37,419 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 01:27:37,419 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:27:37,420 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 01:27:37,420 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 01:27:37,420 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:27:37,420 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:27:37,420 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:27:37,420 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 01:27:37,420 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:27:37,420 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 01:27:37,421 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_f8c88f69-f99c-4942-b346-f75fa013b379/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 -> e9c38241666ec2c9dc2056ce7724b5bdf9baff18 [2018-11-23 01:27:37,445 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:27:37,454 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:27:37,457 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:27:37,458 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:27:37,458 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:27:37,459 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f8c88f69-f99c-4942-b346-f75fa013b379/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product18_true-unreach-call_false-termination.cil.c [2018-11-23 01:27:37,503 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f8c88f69-f99c-4942-b346-f75fa013b379/bin-2019/uautomizer/data/aa231260d/3cf2135b428e4377965e100b76e3046e/FLAG8433a4dd1 [2018-11-23 01:27:37,938 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:27:37,939 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f8c88f69-f99c-4942-b346-f75fa013b379/sv-benchmarks/c/product-lines/minepump_spec1_product18_true-unreach-call_false-termination.cil.c [2018-11-23 01:27:37,948 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f8c88f69-f99c-4942-b346-f75fa013b379/bin-2019/uautomizer/data/aa231260d/3cf2135b428e4377965e100b76e3046e/FLAG8433a4dd1 [2018-11-23 01:27:37,959 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f8c88f69-f99c-4942-b346-f75fa013b379/bin-2019/uautomizer/data/aa231260d/3cf2135b428e4377965e100b76e3046e [2018-11-23 01:27:37,961 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:27:37,962 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:27:37,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:27:37,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:27:37,965 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:27:37,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:27:37" (1/1) ... [2018-11-23 01:27:37,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44db1cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:37, skipping insertion in model container [2018-11-23 01:27:37,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:27:37" (1/1) ... [2018-11-23 01:27:37,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:27:38,004 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:27:38,204 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:27:38,212 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:27:38,316 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:27:38,332 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:27:38,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:38 WrapperNode [2018-11-23 01:27:38,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:27:38,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:27:38,333 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:27:38,334 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:27:38,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:38" (1/1) ... [2018-11-23 01:27:38,350 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:38" (1/1) ... [2018-11-23 01:27:38,356 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:27:38,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:27:38,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:27:38,356 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:27:38,362 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:38" (1/1) ... [2018-11-23 01:27:38,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:38" (1/1) ... [2018-11-23 01:27:38,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:38" (1/1) ... [2018-11-23 01:27:38,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:38" (1/1) ... [2018-11-23 01:27:38,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:38" (1/1) ... [2018-11-23 01:27:38,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:38" (1/1) ... [2018-11-23 01:27:38,382 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:38" (1/1) ... [2018-11-23 01:27:38,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:27:38,384 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:27:38,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:27:38,385 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:27:38,385 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f8c88f69-f99c-4942-b346-f75fa013b379/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 01:27:38,420 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 01:27:38,420 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 01:27:38,420 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 01:27:38,420 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 01:27:38,420 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 01:27:38,420 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 01:27:38,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 01:27:38,421 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 01:27:38,421 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 01:27:38,421 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 01:27:38,421 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 01:27:38,421 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 01:27:38,421 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 01:27:38,421 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 01:27:38,421 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 01:27:38,421 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 01:27:38,421 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 01:27:38,421 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 01:27:38,421 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 01:27:38,421 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 01:27:38,422 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 01:27:38,422 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 01:27:38,422 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 01:27:38,422 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 01:27:38,422 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 01:27:38,422 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 01:27:38,422 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 01:27:38,422 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 01:27:38,422 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 01:27:38,423 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 01:27:38,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 01:27:38,423 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 01:27:38,423 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 01:27:38,423 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 01:27:38,423 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 01:27:38,423 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 01:27:38,423 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 01:27:38,423 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 01:27:38,424 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 01:27:38,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 01:27:38,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 01:27:38,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 01:27:38,424 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 01:27:38,424 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 01:27:38,424 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 01:27:38,424 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 01:27:38,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:27:38,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:27:38,425 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-23 01:27:38,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-23 01:27:38,773 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:27:38,773 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 01:27:38,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:27:38 BoogieIcfgContainer [2018-11-23 01:27:38,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:27:38,774 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 01:27:38,774 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 01:27:38,776 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 01:27:38,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:27:37" (1/3) ... [2018-11-23 01:27:38,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@920fa56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:27:38, skipping insertion in model container [2018-11-23 01:27:38,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:38" (2/3) ... [2018-11-23 01:27:38,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@920fa56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:27:38, skipping insertion in model container [2018-11-23 01:27:38,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:27:38" (3/3) ... [2018-11-23 01:27:38,779 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product18_true-unreach-call_false-termination.cil.c [2018-11-23 01:27:38,785 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 01:27:38,790 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 01:27:38,800 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 01:27:38,822 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 01:27:38,822 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 01:27:38,823 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 01:27:38,823 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 01:27:38,823 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 01:27:38,823 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 01:27:38,823 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 01:27:38,823 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 01:27:38,823 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 01:27:38,837 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2018-11-23 01:27:38,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 01:27:38,843 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:27:38,844 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 01:27:38,846 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:27:38,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:27:38,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1064448231, now seen corresponding path program 1 times [2018-11-23 01:27:38,852 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:27:38,852 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:27:38,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:27:38,882 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:27:38,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:27:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:27:39,025 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 01:27:39,027 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:27:39,027 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 01:27:39,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 01:27:39,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 01:27:39,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 01:27:39,040 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2018-11-23 01:27:39,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:27:39,073 INFO L93 Difference]: Finished difference Result 216 states and 267 transitions. [2018-11-23 01:27:39,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 01:27:39,074 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 01:27:39,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:27:39,086 INFO L225 Difference]: With dead ends: 216 [2018-11-23 01:27:39,086 INFO L226 Difference]: Without dead ends: 108 [2018-11-23 01:27:39,089 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 01:27:39,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-11-23 01:27:39,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2018-11-23 01:27:39,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-11-23 01:27:39,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 125 transitions. [2018-11-23 01:27:39,126 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 125 transitions. Word has length 46 [2018-11-23 01:27:39,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:27:39,126 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 125 transitions. [2018-11-23 01:27:39,127 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 01:27:39,127 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 125 transitions. [2018-11-23 01:27:39,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 01:27:39,129 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:27:39,129 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 01:27:39,129 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:27:39,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:27:39,130 INFO L82 PathProgramCache]: Analyzing trace with hash 1875951637, now seen corresponding path program 1 times [2018-11-23 01:27:39,130 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:27:39,130 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:27:39,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:27:39,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:27:39,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:27:39,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:27:39,211 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 01:27:39,211 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:27:39,211 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:27:39,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:27:39,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:27:39,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:27:39,213 INFO L87 Difference]: Start difference. First operand 108 states and 125 transitions. Second operand 3 states. [2018-11-23 01:27:39,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:27:39,233 INFO L93 Difference]: Finished difference Result 161 states and 185 transitions. [2018-11-23 01:27:39,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:27:39,234 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 01:27:39,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:27:39,235 INFO L225 Difference]: With dead ends: 161 [2018-11-23 01:27:39,236 INFO L226 Difference]: Without dead ends: 99 [2018-11-23 01:27:39,237 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 01:27:39,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-11-23 01:27:39,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-11-23 01:27:39,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-11-23 01:27:39,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions. [2018-11-23 01:27:39,247 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 47 [2018-11-23 01:27:39,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:27:39,248 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 113 transitions. [2018-11-23 01:27:39,248 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:27:39,248 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2018-11-23 01:27:39,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 01:27:39,249 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:27:39,249 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 01:27:39,250 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:27:39,250 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:27:39,250 INFO L82 PathProgramCache]: Analyzing trace with hash 539608629, now seen corresponding path program 1 times [2018-11-23 01:27:39,250 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:27:39,250 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:27:39,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:27:39,251 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:27:39,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:27:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:27:39,381 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 01:27:39,381 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:27:39,381 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 01:27:39,381 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 01:27:39,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 01:27:39,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:27:39,382 INFO L87 Difference]: Start difference. First operand 99 states and 113 transitions. Second operand 7 states. [2018-11-23 01:27:39,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:27:39,560 INFO L93 Difference]: Finished difference Result 174 states and 203 transitions. [2018-11-23 01:27:39,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 01:27:39,560 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-23 01:27:39,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:27:39,562 INFO L225 Difference]: With dead ends: 174 [2018-11-23 01:27:39,562 INFO L226 Difference]: Without dead ends: 99 [2018-11-23 01:27:39,563 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 01:27:39,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-11-23 01:27:39,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-11-23 01:27:39,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-11-23 01:27:39,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 112 transitions. [2018-11-23 01:27:39,571 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 112 transitions. Word has length 52 [2018-11-23 01:27:39,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:27:39,571 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 112 transitions. [2018-11-23 01:27:39,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 01:27:39,571 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 112 transitions. [2018-11-23 01:27:39,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 01:27:39,572 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:27:39,572 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] [2018-11-23 01:27:39,572 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:27:39,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:27:39,572 INFO L82 PathProgramCache]: Analyzing trace with hash -956669222, now seen corresponding path program 1 times [2018-11-23 01:27:39,573 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:27:39,573 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:27:39,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:27:39,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:27:39,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:27:39,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:27:39,682 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 01:27:39,682 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:27:39,683 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 01:27:39,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 01:27:39,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 01:27:39,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 01:27:39,684 INFO L87 Difference]: Start difference. First operand 99 states and 112 transitions. Second operand 6 states. [2018-11-23 01:27:39,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:27:39,864 INFO L93 Difference]: Finished difference Result 242 states and 285 transitions. [2018-11-23 01:27:39,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 01:27:39,865 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-11-23 01:27:39,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:27:39,868 INFO L225 Difference]: With dead ends: 242 [2018-11-23 01:27:39,869 INFO L226 Difference]: Without dead ends: 167 [2018-11-23 01:27:39,869 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 [2018-11-23 01:27:39,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2018-11-23 01:27:39,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 165. [2018-11-23 01:27:39,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-11-23 01:27:39,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 190 transitions. [2018-11-23 01:27:39,888 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 190 transitions. Word has length 60 [2018-11-23 01:27:39,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:27:39,889 INFO L480 AbstractCegarLoop]: Abstraction has 165 states and 190 transitions. [2018-11-23 01:27:39,889 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 01:27:39,889 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 190 transitions. [2018-11-23 01:27:39,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 01:27:39,891 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:27:39,891 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] [2018-11-23 01:27:39,891 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:27:39,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:27:39,892 INFO L82 PathProgramCache]: Analyzing trace with hash 184291830, now seen corresponding path program 1 times [2018-11-23 01:27:39,892 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:27:39,892 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:27:39,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:27:39,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:27:39,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:27:39,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:27:39,976 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 01:27:39,977 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:27:39,977 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 01:27:39,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 01:27:39,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 01:27:39,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:27:39,980 INFO L87 Difference]: Start difference. First operand 165 states and 190 transitions. Second operand 7 states. [2018-11-23 01:27:40,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:27:40,230 INFO L93 Difference]: Finished difference Result 261 states and 308 transitions. [2018-11-23 01:27:40,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 01:27:40,233 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-11-23 01:27:40,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:27:40,233 INFO L225 Difference]: With dead ends: 261 [2018-11-23 01:27:40,233 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 01:27:40,235 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 [2018-11-23 01:27:40,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 01:27:40,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 01:27:40,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 01:27:40,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 01:27:40,235 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2018-11-23 01:27:40,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:27:40,236 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 01:27:40,236 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 01:27:40,236 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 01:27:40,236 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 01:27:40,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 01:27:40,767 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 282 289) the Hoare annotation is: true [2018-11-23 01:27:40,768 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 282 289) no Hoare annotation was computed. [2018-11-23 01:27:40,768 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 282 289) no Hoare annotation was computed. [2018-11-23 01:27:40,768 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 265) no Hoare annotation was computed. [2018-11-23 01:27:40,768 INFO L444 ceAbstractionStarter]: At program point L255(line 255) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 01:27:40,768 INFO L448 ceAbstractionStarter]: For program point L255-1(line 255) no Hoare annotation was computed. [2018-11-23 01:27:40,768 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 270) no Hoare annotation was computed. [2018-11-23 01:27:40,768 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 249 273) no Hoare annotation was computed. [2018-11-23 01:27:40,769 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 249 273) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 01:27:40,769 INFO L444 ceAbstractionStarter]: At program point L268(line 268) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 01:27:40,769 INFO L448 ceAbstractionStarter]: For program point L268-1(lines 249 273) no Hoare annotation was computed. [2018-11-23 01:27:40,769 INFO L444 ceAbstractionStarter]: At program point L263(line 263) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 01:27:40,769 INFO L444 ceAbstractionStarter]: At program point L259(line 259) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 01:27:40,769 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 90 96) the Hoare annotation is: true [2018-11-23 01:27:40,769 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 90 96) no Hoare annotation was computed. [2018-11-23 01:27:40,769 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 241 247) no Hoare annotation was computed. [2018-11-23 01:27:40,770 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 241 247) the Hoare annotation is: true [2018-11-23 01:27:40,770 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 97 105) no Hoare annotation was computed. [2018-11-23 01:27:40,770 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 97 105) the Hoare annotation is: true [2018-11-23 01:27:40,770 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 97 105) no Hoare annotation was computed. [2018-11-23 01:27:40,770 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 374 439) 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))) [2018-11-23 01:27:40,770 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 374 439) no Hoare annotation was computed. [2018-11-23 01:27:40,770 INFO L444 ceAbstractionStarter]: At program point L432(lines 383 433) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 01:27:40,771 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2018-11-23 01:27:40,771 INFO L444 ceAbstractionStarter]: At program point L422-2(lines 414 427) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 01:27:40,771 INFO L448 ceAbstractionStarter]: For program point L385(lines 384 431) no Hoare annotation was computed. [2018-11-23 01:27:40,771 INFO L444 ceAbstractionStarter]: At program point L416(line 416) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 01:27:40,771 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 427) no Hoare annotation was computed. [2018-11-23 01:27:40,771 INFO L444 ceAbstractionStarter]: At program point L406(line 406) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 01:27:40,771 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 410) no Hoare annotation was computed. [2018-11-23 01:27:40,771 INFO L448 ceAbstractionStarter]: For program point L404-1(lines 404 410) no Hoare annotation was computed. [2018-11-23 01:27:40,771 INFO L444 ceAbstractionStarter]: At program point L429(lines 384 431) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 01:27:40,772 INFO L444 ceAbstractionStarter]: At program point L396(line 396) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 01:27:40,772 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 400) no Hoare annotation was computed. [2018-11-23 01:27:40,772 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 394 400) no Hoare annotation was computed. [2018-11-23 01:27:40,772 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 374 439) no Hoare annotation was computed. [2018-11-23 01:27:40,772 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 390) no Hoare annotation was computed. [2018-11-23 01:27:40,772 INFO L448 ceAbstractionStarter]: For program point L194-1(lines 194 201) no Hoare annotation was computed. [2018-11-23 01:27:40,772 INFO L448 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2018-11-23 01:27:40,772 INFO L444 ceAbstractionStarter]: At program point L191(line 191) 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))) [2018-11-23 01:27:40,772 INFO L444 ceAbstractionStarter]: At program point L190(line 190) 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))) [2018-11-23 01:27:40,772 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 184 206) 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))) [2018-11-23 01:27:40,773 INFO L444 ceAbstractionStarter]: At program point L190-1(line 190) 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))) [2018-11-23 01:27:40,773 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 184 206) no Hoare annotation was computed. [2018-11-23 01:27:40,773 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 184 206) no Hoare annotation was computed. [2018-11-23 01:27:40,773 INFO L444 ceAbstractionStarter]: At program point L196(line 196) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 01:27:40,773 INFO L444 ceAbstractionStarter]: At program point L196-1(line 196) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 01:27:40,773 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 201) no Hoare annotation was computed. [2018-11-23 01:27:40,773 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 301 309) no Hoare annotation was computed. [2018-11-23 01:27:40,773 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 301 309) the Hoare annotation is: true [2018-11-23 01:27:40,773 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 301 309) no Hoare annotation was computed. [2018-11-23 01:27:40,773 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 896 904) no Hoare annotation was computed. [2018-11-23 01:27:40,774 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 896 904) the Hoare annotation is: true [2018-11-23 01:27:40,774 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 896 904) no Hoare annotation was computed. [2018-11-23 01:27:40,774 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 01:27:40,774 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-23 01:27:40,774 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 01:27:40,774 INFO L451 ceAbstractionStarter]: At program point L353(line 353) the Hoare annotation is: true [2018-11-23 01:27:40,774 INFO L448 ceAbstractionStarter]: For program point L355-2(lines 355 359) no Hoare annotation was computed. [2018-11-23 01:27:40,774 INFO L448 ceAbstractionStarter]: For program point L353-1(line 353) no Hoare annotation was computed. [2018-11-23 01:27:40,774 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 346 364) the Hoare annotation is: true [2018-11-23 01:27:40,774 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 346 364) no Hoare annotation was computed. [2018-11-23 01:27:40,774 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 359) no Hoare annotation was computed. [2018-11-23 01:27:40,774 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 346 364) no Hoare annotation was computed. [2018-11-23 01:27:40,775 INFO L448 ceAbstractionStarter]: For program point L847-1(lines 843 854) no Hoare annotation was computed. [2018-11-23 01:27:40,775 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 843 854) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 01:27:40,775 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 843 854) no Hoare annotation was computed. [2018-11-23 01:27:40,775 INFO L444 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 01:27:40,775 INFO L448 ceAbstractionStarter]: For program point L221(lines 220 239) no Hoare annotation was computed. [2018-11-23 01:27:40,775 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 217 240) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 01:27:40,775 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 217 240) no Hoare annotation was computed. [2018-11-23 01:27:40,775 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 217 240) no Hoare annotation was computed. [2018-11-23 01:27:40,775 INFO L444 ceAbstractionStarter]: At program point L230(line 230) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 01:27:40,775 INFO L444 ceAbstractionStarter]: At program point L228(lines 228 234) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 01:27:40,775 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 109 138) no Hoare annotation was computed. [2018-11-23 01:27:40,776 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 109 138) the Hoare annotation is: true [2018-11-23 01:27:40,776 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2018-11-23 01:27:40,776 INFO L451 ceAbstractionStarter]: At program point L123-1(lines 123 127) the Hoare annotation is: true [2018-11-23 01:27:40,776 INFO L448 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2018-11-23 01:27:40,776 INFO L451 ceAbstractionStarter]: At program point L119-2(lines 119 133) the Hoare annotation is: true [2018-11-23 01:27:40,776 INFO L451 ceAbstractionStarter]: At program point L115(line 115) the Hoare annotation is: true [2018-11-23 01:27:40,776 INFO L448 ceAbstractionStarter]: For program point L115-1(line 115) no Hoare annotation was computed. [2018-11-23 01:27:40,776 INFO L451 ceAbstractionStarter]: At program point L134(lines 109 138) the Hoare annotation is: true [2018-11-23 01:27:40,776 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 01:27:40,776 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 855 863) the Hoare annotation is: true [2018-11-23 01:27:40,776 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 855 863) no Hoare annotation was computed. [2018-11-23 01:27:40,777 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 855 863) no Hoare annotation was computed. [2018-11-23 01:27:40,777 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 819 830) the Hoare annotation is: true [2018-11-23 01:27:40,777 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 819 830) no Hoare annotation was computed. [2018-11-23 01:27:40,777 INFO L448 ceAbstractionStarter]: For program point L823-1(lines 819 830) no Hoare annotation was computed. [2018-11-23 01:27:40,777 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 83 89) no Hoare annotation was computed. [2018-11-23 01:27:40,777 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 83 89) the Hoare annotation is: true [2018-11-23 01:27:40,777 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 166 172) no Hoare annotation was computed. [2018-11-23 01:27:40,777 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 166 172) the Hoare annotation is: true [2018-11-23 01:27:40,777 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 01:27:40,777 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-23 01:27:40,777 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 01:27:40,777 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 01:27:40,777 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 365 372) no Hoare annotation was computed. [2018-11-23 01:27:40,778 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 365 372) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))) [2018-11-23 01:27:40,778 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 365 372) no Hoare annotation was computed. [2018-11-23 01:27:40,778 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 831 842) no Hoare annotation was computed. [2018-11-23 01:27:40,778 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 831 842) the Hoare annotation is: true [2018-11-23 01:27:40,778 INFO L448 ceAbstractionStarter]: For program point L835-1(lines 831 842) no Hoare annotation was computed. [2018-11-23 01:27:40,778 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 811) no Hoare annotation was computed. [2018-11-23 01:27:40,778 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 807 814) no Hoare annotation was computed. [2018-11-23 01:27:40,778 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 807 814) the Hoare annotation is: true [2018-11-23 01:27:40,778 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 807 814) no Hoare annotation was computed. [2018-11-23 01:27:40,778 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 174 183) 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))) [2018-11-23 01:27:40,778 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 174 183) no Hoare annotation was computed. [2018-11-23 01:27:40,778 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 174 183) no Hoare annotation was computed. [2018-11-23 01:27:40,778 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2018-11-23 01:27:40,778 INFO L444 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-23 01:27:40,778 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2018-11-23 01:27:40,778 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2018-11-23 01:27:40,779 INFO L444 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 01:27:40,779 INFO L448 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-11-23 01:27:40,779 INFO L448 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2018-11-23 01:27:40,779 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2018-11-23 01:27:40,779 INFO L451 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2018-11-23 01:27:40,779 INFO L448 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2018-11-23 01:27:40,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:27:40 BoogieIcfgContainer [2018-11-23 01:27:40,787 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 01:27:40,788 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 01:27:40,788 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 01:27:40,788 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 01:27:40,788 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:27:38" (3/4) ... [2018-11-23 01:27:40,791 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 01:27:40,796 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 01:27:40,796 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 01:27:40,796 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 01:27:40,796 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 01:27:40,796 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 01:27:40,796 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 01:27:40,796 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 01:27:40,796 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 01:27:40,796 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 01:27:40,796 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 01:27:40,797 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 01:27:40,797 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 01:27:40,797 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 01:27:40,797 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 01:27:40,797 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 01:27:40,797 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 01:27:40,797 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 01:27:40,797 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 01:27:40,798 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 01:27:40,798 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 01:27:40,798 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 01:27:40,798 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 01:27:40,798 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-23 01:27:40,803 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-23 01:27:40,803 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 01:27:40,803 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 01:27:40,803 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 01:27:40,804 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 01:27:40,804 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 01:27:40,804 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 01:27:40,822 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) [2018-11-23 01:27:40,822 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 01:27:40,851 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f8c88f69-f99c-4942-b346-f75fa013b379/bin-2019/uautomizer/witness.graphml [2018-11-23 01:27:40,851 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 01:27:40,851 INFO L168 Benchmark]: Toolchain (without parser) took 2890.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 203.9 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -198.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 11.5 GB. [2018-11-23 01:27:40,852 INFO L168 Benchmark]: CDTParser took 0.15 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 01:27:40,852 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -142.0 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-23 01:27:40,853 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.77 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:27:40,853 INFO L168 Benchmark]: Boogie Preprocessor took 27.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-23 01:27:40,853 INFO L168 Benchmark]: RCFGBuilder took 389.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.9 MB). Peak memory consumption was 50.9 MB. Max. memory is 11.5 GB. [2018-11-23 01:27:40,853 INFO L168 Benchmark]: TraceAbstraction took 2013.15 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 91.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -122.4 MB). Peak memory consumption was 291.7 MB. Max. memory is 11.5 GB. [2018-11-23 01:27:40,854 INFO L168 Benchmark]: Witness Printer took 63.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. [2018-11-23 01:27:40,855 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 370.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -142.0 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.77 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 389.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.9 MB). Peak memory consumption was 50.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2013.15 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 91.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -122.4 MB). Peak memory consumption was 291.7 MB. Max. memory is 11.5 GB. * Witness Printer took 63.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 811]: 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: 383]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 384]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 121 locations, 1 error locations. SAFE Result, 1.9s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 543 SDtfs, 259 SDslu, 847 SDs, 0 SdLazy, 318 SolverSat, 63 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=165occurred 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, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 231 PreInvPairs, 246 NumberOfFragments, 499 HoareAnnotationTreeSize, 231 FomulaSimplifications, 85 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 51 FomulaSimplificationsInter, 706 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 269 NumberOfCodeBlocks, 269 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 264 ConstructedInterpolants, 0 QuantifiedInterpolants, 27132 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...