./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product14_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b64c2dd7-4c31-47aa-86a4-3f2a531ea4fc/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b64c2dd7-4c31-47aa-86a4-3f2a531ea4fc/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b64c2dd7-4c31-47aa-86a4-3f2a531ea4fc/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b64c2dd7-4c31-47aa-86a4-3f2a531ea4fc/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product14_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b64c2dd7-4c31-47aa-86a4-3f2a531ea4fc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b64c2dd7-4c31-47aa-86a4-3f2a531ea4fc/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 41585ee22e5b9d0bbbd49fc44fb82de5616beee1 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:23:49,347 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:23:49,348 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:23:49,354 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:23:49,354 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:23:49,355 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:23:49,356 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:23:49,357 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:23:49,358 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:23:49,358 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:23:49,359 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:23:49,359 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:23:49,360 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:23:49,360 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:23:49,361 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:23:49,362 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:23:49,362 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:23:49,363 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:23:49,365 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:23:49,366 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:23:49,366 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:23:49,367 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:23:49,369 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:23:49,369 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:23:49,369 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:23:49,370 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:23:49,370 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:23:49,371 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:23:49,371 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:23:49,372 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:23:49,372 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:23:49,373 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:23:49,373 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:23:49,373 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:23:49,374 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:23:49,374 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:23:49,374 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b64c2dd7-4c31-47aa-86a4-3f2a531ea4fc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 13:23:49,384 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:23:49,384 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:23:49,385 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:23:49,385 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 13:23:49,385 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 13:23:49,385 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 13:23:49,385 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 13:23:49,385 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 13:23:49,386 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 13:23:49,386 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 13:23:49,386 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 13:23:49,386 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 13:23:49,386 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 13:23:49,387 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:23:49,387 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:23:49,387 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:23:49,387 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:23:49,387 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:23:49,387 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:23:49,388 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:23:49,388 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:23:49,388 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:23:49,388 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:23:49,388 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:23:49,388 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:23:49,389 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:23:49,389 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:23:49,389 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:23:49,389 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:23:49,389 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:23:49,389 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:23:49,389 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:23:49,390 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:23:49,390 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 13:23:49,390 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:23:49,390 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:23:49,390 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 13:23:49,390 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_b64c2dd7-4c31-47aa-86a4-3f2a531ea4fc/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41585ee22e5b9d0bbbd49fc44fb82de5616beee1 [2018-11-18 13:23:49,413 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:23:49,421 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:23:49,423 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:23:49,423 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:23:49,424 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:23:49,424 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b64c2dd7-4c31-47aa-86a4-3f2a531ea4fc/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product14_true-unreach-call_false-termination.cil.c [2018-11-18 13:23:49,459 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b64c2dd7-4c31-47aa-86a4-3f2a531ea4fc/bin-2019/utaipan/data/25162b6a3/f188c76af55a4a6daf24afcc3ec1eb7b/FLAG42f07a488 [2018-11-18 13:23:49,888 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:23:49,888 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b64c2dd7-4c31-47aa-86a4-3f2a531ea4fc/sv-benchmarks/c/product-lines/minepump_spec5_product14_true-unreach-call_false-termination.cil.c [2018-11-18 13:23:49,898 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b64c2dd7-4c31-47aa-86a4-3f2a531ea4fc/bin-2019/utaipan/data/25162b6a3/f188c76af55a4a6daf24afcc3ec1eb7b/FLAG42f07a488 [2018-11-18 13:23:49,909 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b64c2dd7-4c31-47aa-86a4-3f2a531ea4fc/bin-2019/utaipan/data/25162b6a3/f188c76af55a4a6daf24afcc3ec1eb7b [2018-11-18 13:23:49,911 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:23:49,912 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:23:49,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:23:49,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:23:49,914 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:23:49,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:23:49" (1/1) ... [2018-11-18 13:23:49,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345e74ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:23:49, skipping insertion in model container [2018-11-18 13:23:49,916 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:23:49" (1/1) ... [2018-11-18 13:23:49,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:23:49,953 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:23:50,134 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:23:50,142 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:23:50,248 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:23:50,265 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:23:50,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:23:50 WrapperNode [2018-11-18 13:23:50,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:23:50,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:23:50,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:23:50,266 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:23:50,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:23:50" (1/1) ... [2018-11-18 13:23:50,281 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:23:50" (1/1) ... [2018-11-18 13:23:50,286 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:23:50,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:23:50,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:23:50,287 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:23:50,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:23:50" (1/1) ... [2018-11-18 13:23:50,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:23:50" (1/1) ... [2018-11-18 13:23:50,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:23:50" (1/1) ... [2018-11-18 13:23:50,296 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:23:50" (1/1) ... [2018-11-18 13:23:50,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:23:50" (1/1) ... [2018-11-18 13:23:50,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:23:50" (1/1) ... [2018-11-18 13:23:50,309 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:23:50" (1/1) ... [2018-11-18 13:23:50,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:23:50,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:23:50,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:23:50,311 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:23:50,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:23:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b64c2dd7-4c31-47aa-86a4-3f2a531ea4fc/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:23:50,354 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 13:23:50,354 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 13:23:50,354 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:23:50,354 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:23:50,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:23:50,354 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 13:23:50,355 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 13:23:50,355 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 13:23:50,355 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 13:23:50,355 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 13:23:50,355 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 13:23:50,355 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 13:23:50,355 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 13:23:50,355 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 13:23:50,356 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 13:23:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 13:23:50,356 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 13:23:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 13:23:50,356 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 13:23:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 13:23:50,356 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 13:23:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 13:23:50,357 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 13:23:50,357 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 13:23:50,357 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 13:23:50,357 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 13:23:50,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 13:23:50,357 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 13:23:50,357 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 13:23:50,357 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-18 13:23:50,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-18 13:23:50,358 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-18 13:23:50,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-18 13:23:50,358 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-18 13:23:50,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-18 13:23:50,358 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 13:23:50,358 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 13:23:50,358 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 13:23:50,358 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 13:23:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 13:23:50,359 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 13:23:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 13:23:50,359 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 13:23:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 13:23:50,359 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 13:23:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:23:50,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:23:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 13:23:50,360 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 13:23:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 13:23:50,360 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 13:23:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:23:50,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:23:50,814 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:23:50,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:23:50 BoogieIcfgContainer [2018-11-18 13:23:50,815 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:23:50,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:23:50,816 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:23:50,818 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:23:50,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:23:49" (1/3) ... [2018-11-18 13:23:50,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ddac598 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:23:50, skipping insertion in model container [2018-11-18 13:23:50,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:23:50" (2/3) ... [2018-11-18 13:23:50,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ddac598 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:23:50, skipping insertion in model container [2018-11-18 13:23:50,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:23:50" (3/3) ... [2018-11-18 13:23:50,821 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product14_true-unreach-call_false-termination.cil.c [2018-11-18 13:23:50,829 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:23:50,836 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:23:50,849 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:23:50,876 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:23:50,876 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:23:50,876 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:23:50,876 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:23:50,876 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:23:50,876 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:23:50,877 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:23:50,877 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:23:50,893 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states. [2018-11-18 13:23:50,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 13:23:50,900 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:23:50,901 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:23:50,903 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:23:50,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:23:50,908 INFO L82 PathProgramCache]: Analyzing trace with hash 2112704233, now seen corresponding path program 1 times [2018-11-18 13:23:50,910 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:23:50,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:23:50,949 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:23:50,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:23:50,950 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:23:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:23:51,125 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 13:23:51,126 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:23:51,127 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 13:23:51,127 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:23:51,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 13:23:51,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 13:23:51,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:23:51,141 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 2 states. [2018-11-18 13:23:51,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:23:51,162 INFO L93 Difference]: Finished difference Result 232 states and 285 transitions. [2018-11-18 13:23:51,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 13:23:51,163 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-18 13:23:51,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:23:51,170 INFO L225 Difference]: With dead ends: 232 [2018-11-18 13:23:51,170 INFO L226 Difference]: Without dead ends: 118 [2018-11-18 13:23:51,172 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:23:51,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-11-18 13:23:51,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-11-18 13:23:51,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-11-18 13:23:51,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 136 transitions. [2018-11-18 13:23:51,204 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 136 transitions. Word has length 59 [2018-11-18 13:23:51,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:23:51,205 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 136 transitions. [2018-11-18 13:23:51,205 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 13:23:51,205 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 136 transitions. [2018-11-18 13:23:51,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 13:23:51,207 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:23:51,207 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:23:51,207 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:23:51,207 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:23:51,207 INFO L82 PathProgramCache]: Analyzing trace with hash -319888382, now seen corresponding path program 1 times [2018-11-18 13:23:51,207 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:23:51,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:23:51,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:23:51,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:23:51,208 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:23:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:23:51,299 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 13:23:51,299 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:23:51,299 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:23:51,299 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:23:51,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:23:51,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:23:51,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:23:51,301 INFO L87 Difference]: Start difference. First operand 118 states and 136 transitions. Second operand 3 states. [2018-11-18 13:23:51,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:23:51,318 INFO L93 Difference]: Finished difference Result 175 states and 201 transitions. [2018-11-18 13:23:51,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:23:51,319 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-18 13:23:51,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:23:51,320 INFO L225 Difference]: With dead ends: 175 [2018-11-18 13:23:51,320 INFO L226 Difference]: Without dead ends: 108 [2018-11-18 13:23:51,321 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:23:51,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-11-18 13:23:51,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2018-11-18 13:23:51,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-11-18 13:23:51,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 123 transitions. [2018-11-18 13:23:51,331 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 123 transitions. Word has length 61 [2018-11-18 13:23:51,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:23:51,331 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 123 transitions. [2018-11-18 13:23:51,331 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:23:51,331 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 123 transitions. [2018-11-18 13:23:51,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 13:23:51,333 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:23:51,333 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:23:51,333 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:23:51,333 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:23:51,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1517411717, now seen corresponding path program 1 times [2018-11-18 13:23:51,333 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:23:51,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:23:51,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:23:51,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:23:51,334 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:23:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:23:51,459 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 13:23:51,459 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:23:51,459 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 13:23:51,459 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:23:51,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 13:23:51,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 13:23:51,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:23:51,460 INFO L87 Difference]: Start difference. First operand 108 states and 123 transitions. Second operand 7 states. [2018-11-18 13:23:51,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:23:51,715 INFO L93 Difference]: Finished difference Result 188 states and 219 transitions. [2018-11-18 13:23:51,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:23:51,715 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-18 13:23:51,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:23:51,717 INFO L225 Difference]: With dead ends: 188 [2018-11-18 13:23:51,717 INFO L226 Difference]: Without dead ends: 108 [2018-11-18 13:23:51,717 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:23:51,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-11-18 13:23:51,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2018-11-18 13:23:51,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-11-18 13:23:51,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 122 transitions. [2018-11-18 13:23:51,724 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 122 transitions. Word has length 66 [2018-11-18 13:23:51,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:23:51,725 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 122 transitions. [2018-11-18 13:23:51,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 13:23:51,725 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 122 transitions. [2018-11-18 13:23:51,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-18 13:23:51,727 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:23:51,727 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:23:51,727 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:23:51,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:23:51,727 INFO L82 PathProgramCache]: Analyzing trace with hash 935502, now seen corresponding path program 1 times [2018-11-18 13:23:51,727 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:23:51,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:23:51,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:23:51,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:23:51,728 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:23:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:23:51,849 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 13:23:51,850 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:23:51,850 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 13:23:51,850 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:23:51,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 13:23:51,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 13:23:51,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:23:51,851 INFO L87 Difference]: Start difference. First operand 108 states and 122 transitions. Second operand 7 states. [2018-11-18 13:23:52,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:23:52,153 INFO L93 Difference]: Finished difference Result 166 states and 194 transitions. [2018-11-18 13:23:52,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 13:23:52,153 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 74 [2018-11-18 13:23:52,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:23:52,154 INFO L225 Difference]: With dead ends: 166 [2018-11-18 13:23:52,154 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 13:23:52,155 INFO L604 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 [2018-11-18 13:23:52,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 13:23:52,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 13:23:52,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 13:23:52,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 13:23:52,156 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2018-11-18 13:23:52,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:23:52,156 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 13:23:52,156 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 13:23:52,156 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 13:23:52,156 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:23:52,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 13:23:52,594 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 895 901) the Hoare annotation is: true [2018-11-18 13:23:52,594 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 895 901) no Hoare annotation was computed. [2018-11-18 13:23:52,594 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 902 910) no Hoare annotation was computed. [2018-11-18 13:23:52,594 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 902 910) the Hoare annotation is: true [2018-11-18 13:23:52,594 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 902 910) no Hoare annotation was computed. [2018-11-18 13:23:52,595 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2018-11-18 13:23:52,595 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2018-11-18 13:23:52,595 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2018-11-18 13:23:52,595 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: true [2018-11-18 13:23:52,595 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2018-11-18 13:23:52,595 INFO L425 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-11-18 13:23:52,595 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2018-11-18 13:23:52,595 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2018-11-18 13:23:52,595 INFO L421 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-18 13:23:52,595 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2018-11-18 13:23:52,596 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-11-18 13:23:52,596 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2018-11-18 13:23:52,596 INFO L428 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: true [2018-11-18 13:23:52,596 INFO L425 ceAbstractionStarter]: For program point L72-1(line 72) no Hoare annotation was computed. [2018-11-18 13:23:52,596 INFO L425 ceAbstractionStarter]: For program point L70(lines 70 87) no Hoare annotation was computed. [2018-11-18 13:23:52,596 INFO L425 ceAbstractionStarter]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2018-11-18 13:23:52,597 INFO L428 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: true [2018-11-18 13:23:52,597 INFO L425 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2018-11-18 13:23:52,597 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 173 195) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 13:23:52,597 INFO L421 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1))) [2018-11-18 13:23:52,598 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 173 195) no Hoare annotation was computed. [2018-11-18 13:23:52,598 INFO L421 ceAbstractionStarter]: At program point L185-1(line 185) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1))) [2018-11-18 13:23:52,598 INFO L425 ceAbstractionStarter]: For program point L183(lines 183 190) no Hoare annotation was computed. [2018-11-18 13:23:52,598 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 183 190) no Hoare annotation was computed. [2018-11-18 13:23:52,598 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 13:23:52,598 INFO L421 ceAbstractionStarter]: At program point L180(line 180) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 13:23:52,598 INFO L421 ceAbstractionStarter]: At program point L179(line 179) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 13:23:52,598 INFO L421 ceAbstractionStarter]: At program point L179-1(line 179) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 13:23:52,598 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 173 195) no Hoare annotation was computed. [2018-11-18 13:23:52,598 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 599 605) no Hoare annotation was computed. [2018-11-18 13:23:52,599 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 599 605) the Hoare annotation is: true [2018-11-18 13:23:52,599 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 676 684) no Hoare annotation was computed. [2018-11-18 13:23:52,599 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 676 684) the Hoare annotation is: true [2018-11-18 13:23:52,599 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 676 684) no Hoare annotation was computed. [2018-11-18 13:23:52,599 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 888 894) no Hoare annotation was computed. [2018-11-18 13:23:52,599 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 888 894) the Hoare annotation is: true [2018-11-18 13:23:52,599 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 159 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 13:23:52,599 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 159 169) no Hoare annotation was computed. [2018-11-18 13:23:52,599 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 159 169) no Hoare annotation was computed. [2018-11-18 13:23:52,599 INFO L421 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 13:23:52,599 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 665 675) the Hoare annotation is: true [2018-11-18 13:23:52,599 INFO L428 ceAbstractionStarter]: At program point L670(line 670) the Hoare annotation is: true [2018-11-18 13:23:52,600 INFO L425 ceAbstractionStarter]: For program point L670-1(line 670) no Hoare annotation was computed. [2018-11-18 13:23:52,600 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 665 675) no Hoare annotation was computed. [2018-11-18 13:23:52,600 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 665 675) no Hoare annotation was computed. [2018-11-18 13:23:52,600 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 657 664) the Hoare annotation is: true [2018-11-18 13:23:52,600 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 657 664) no Hoare annotation was computed. [2018-11-18 13:23:52,600 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 657 664) no Hoare annotation was computed. [2018-11-18 13:23:52,600 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 607 631) no Hoare annotation was computed. [2018-11-18 13:23:52,600 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 607 631) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 13:23:52,600 INFO L421 ceAbstractionStarter]: At program point L626(line 626) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 13:23:52,600 INFO L425 ceAbstractionStarter]: For program point L626-1(lines 607 631) no Hoare annotation was computed. [2018-11-18 13:23:52,600 INFO L421 ceAbstractionStarter]: At program point L621(line 621) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 13:23:52,601 INFO L421 ceAbstractionStarter]: At program point L617(line 617) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 13:23:52,601 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 623) no Hoare annotation was computed. [2018-11-18 13:23:52,601 INFO L421 ceAbstractionStarter]: At program point L613(line 613) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 13:23:52,601 INFO L425 ceAbstractionStarter]: For program point L613-1(line 613) no Hoare annotation was computed. [2018-11-18 13:23:52,601 INFO L425 ceAbstractionStarter]: For program point L611(lines 611 628) no Hoare annotation was computed. [2018-11-18 13:23:52,601 INFO L421 ceAbstractionStarter]: At program point L865(lines 820 867) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 13:23:52,601 INFO L421 ceAbstractionStarter]: At program point L832(line 832) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 13:23:52,601 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 810 875) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 13:23:52,601 INFO L425 ceAbstractionStarter]: For program point L830(lines 830 836) no Hoare annotation was computed. [2018-11-18 13:23:52,601 INFO L425 ceAbstractionStarter]: For program point L830-1(lines 830 836) no Hoare annotation was computed. [2018-11-18 13:23:52,601 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 810 875) no Hoare annotation was computed. [2018-11-18 13:23:52,601 INFO L425 ceAbstractionStarter]: For program point L822(lines 822 826) no Hoare annotation was computed. [2018-11-18 13:23:52,602 INFO L425 ceAbstractionStarter]: For program point L820-1(lines 820 867) no Hoare annotation was computed. [2018-11-18 13:23:52,602 INFO L421 ceAbstractionStarter]: At program point L868(lines 819 869) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 13:23:52,602 INFO L425 ceAbstractionStarter]: For program point L858(lines 858 862) no Hoare annotation was computed. [2018-11-18 13:23:52,602 INFO L421 ceAbstractionStarter]: At program point L858-2(lines 850 863) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 13:23:52,602 INFO L425 ceAbstractionStarter]: For program point L821(lines 820 867) no Hoare annotation was computed. [2018-11-18 13:23:52,602 INFO L421 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 13:23:52,602 INFO L425 ceAbstractionStarter]: For program point L850(lines 850 863) no Hoare annotation was computed. [2018-11-18 13:23:52,602 INFO L421 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 13:23:52,602 INFO L425 ceAbstractionStarter]: For program point L840(lines 840 846) no Hoare annotation was computed. [2018-11-18 13:23:52,602 INFO L425 ceAbstractionStarter]: For program point L840-1(lines 840 846) no Hoare annotation was computed. [2018-11-18 13:23:52,602 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 810 875) no Hoare annotation was computed. [2018-11-18 13:23:52,603 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:23:52,603 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-11-18 13:23:52,603 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:23:52,603 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 800 808) the Hoare annotation is: true [2018-11-18 13:23:52,603 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 800 808) no Hoare annotation was computed. [2018-11-18 13:23:52,603 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 800 808) no Hoare annotation was computed. [2018-11-18 13:23:52,603 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 756 767) the Hoare annotation is: true [2018-11-18 13:23:52,603 INFO L425 ceAbstractionStarter]: For program point L760-1(lines 756 767) no Hoare annotation was computed. [2018-11-18 13:23:52,603 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 756 767) no Hoare annotation was computed. [2018-11-18 13:23:52,603 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 768 776) the Hoare annotation is: true [2018-11-18 13:23:52,603 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 768 776) no Hoare annotation was computed. [2018-11-18 13:23:52,603 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 768 776) no Hoare annotation was computed. [2018-11-18 13:23:52,603 INFO L425 ceAbstractionStarter]: For program point L577(lines 575 597) no Hoare annotation was computed. [2018-11-18 13:23:52,604 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 572 598) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 13:23:52,604 INFO L421 ceAbstractionStarter]: At program point L588(line 588) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 13:23:52,604 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 572 598) no Hoare annotation was computed. [2018-11-18 13:23:52,604 INFO L421 ceAbstractionStarter]: At program point L586(lines 586 592) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 13:23:52,604 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 572 598) no Hoare annotation was computed. [2018-11-18 13:23:52,604 INFO L421 ceAbstractionStarter]: At program point L581(line 581) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 13:23:52,604 INFO L425 ceAbstractionStarter]: For program point L579(lines 575 597) no Hoare annotation was computed. [2018-11-18 13:23:52,604 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 94 123) no Hoare annotation was computed. [2018-11-18 13:23:52,604 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 112) no Hoare annotation was computed. [2018-11-18 13:23:52,604 INFO L428 ceAbstractionStarter]: At program point L108-1(lines 108 112) the Hoare annotation is: true [2018-11-18 13:23:52,604 INFO L425 ceAbstractionStarter]: For program point L104-1(lines 104 118) no Hoare annotation was computed. [2018-11-18 13:23:52,604 INFO L428 ceAbstractionStarter]: At program point L104-3(lines 104 118) the Hoare annotation is: true [2018-11-18 13:23:52,605 INFO L428 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: true [2018-11-18 13:23:52,605 INFO L425 ceAbstractionStarter]: For program point L100-1(line 100) no Hoare annotation was computed. [2018-11-18 13:23:52,605 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 94 123) the Hoare annotation is: true [2018-11-18 13:23:52,605 INFO L428 ceAbstractionStarter]: At program point L119(lines 94 123) the Hoare annotation is: true [2018-11-18 13:23:52,605 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 13:23:52,605 INFO L425 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-11-18 13:23:52,605 INFO L425 ceAbstractionStarter]: For program point L736-1(lines 732 743) no Hoare annotation was computed. [2018-11-18 13:23:52,605 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 732 743) the Hoare annotation is: true [2018-11-18 13:23:52,605 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 732 743) no Hoare annotation was computed. [2018-11-18 13:23:52,605 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 151 157) no Hoare annotation was computed. [2018-11-18 13:23:52,605 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 151 157) the Hoare annotation is: true [2018-11-18 13:23:52,605 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:23:52,605 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-18 13:23:52,606 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:23:52,606 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:23:52,606 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 721 728) no Hoare annotation was computed. [2018-11-18 13:23:52,606 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 721 728) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))) [2018-11-18 13:23:52,606 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 721 728) no Hoare annotation was computed. [2018-11-18 13:23:52,606 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 744 755) no Hoare annotation was computed. [2018-11-18 13:23:52,606 INFO L425 ceAbstractionStarter]: For program point L748-1(lines 744 755) no Hoare annotation was computed. [2018-11-18 13:23:52,606 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 744 755) the Hoare annotation is: true [2018-11-18 13:23:52,606 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 912 919) no Hoare annotation was computed. [2018-11-18 13:23:52,606 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 916) no Hoare annotation was computed. [2018-11-18 13:23:52,606 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 912 919) the Hoare annotation is: true [2018-11-18 13:23:52,606 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 912 919) no Hoare annotation was computed. [2018-11-18 13:23:52,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:23:52 BoogieIcfgContainer [2018-11-18 13:23:52,617 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:23:52,617 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:23:52,617 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:23:52,617 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:23:52,618 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:23:50" (3/4) ... [2018-11-18 13:23:52,620 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:23:52,624 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 13:23:52,624 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 13:23:52,624 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-18 13:23:52,625 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-18 13:23:52,625 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-18 13:23:52,625 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 13:23:52,625 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 13:23:52,625 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 13:23:52,625 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 13:23:52,625 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 13:23:52,625 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 13:23:52,625 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 13:23:52,625 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 13:23:52,625 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 13:23:52,625 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 13:23:52,625 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 13:23:52,626 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 13:23:52,626 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 13:23:52,626 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 13:23:52,626 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 13:23:52,626 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 13:23:52,626 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 13:23:52,626 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 13:23:52,626 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 13:23:52,626 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 13:23:52,631 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2018-11-18 13:23:52,631 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 13:23:52,631 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 13:23:52,649 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || ((0 == pumpRunning && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1) [2018-11-18 13:23:52,649 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) [2018-11-18 13:23:52,681 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b64c2dd7-4c31-47aa-86a4-3f2a531ea4fc/bin-2019/utaipan/witness.graphml [2018-11-18 13:23:52,681 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:23:52,682 INFO L168 Benchmark]: Toolchain (without parser) took 2770.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -101.9 MB). Peak memory consumption was 39.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:23:52,683 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:23:52,683 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -176.3 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-18 13:23:52,683 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.58 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:23:52,683 INFO L168 Benchmark]: Boogie Preprocessor took 24.12 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:23:52,684 INFO L168 Benchmark]: RCFGBuilder took 503.97 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: 58.4 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:23:52,684 INFO L168 Benchmark]: TraceAbstraction took 1801.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.7 MB). Peak memory consumption was 200.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:23:52,684 INFO L168 Benchmark]: Witness Printer took 63.87 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-18 13:23:52,685 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 353.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -176.3 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.58 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.12 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 503.97 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: 58.4 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1801.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.7 MB). Peak memory consumption was 200.9 MB. Max. memory is 11.5 GB. * Witness Printer took 63.87 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 916]: 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: 819]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || ((0 == pumpRunning && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 131 locations, 1 error locations. SAFE Result, 1.7s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 460 SDtfs, 208 SDslu, 477 SDs, 0 SdLazy, 296 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=131occurred in iteration=0, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 175 PreInvPairs, 183 NumberOfFragments, 407 HoareAnnotationTreeSize, 175 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 54 FomulaSimplificationsInter, 336 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 260 NumberOfCodeBlocks, 260 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 256 ConstructedInterpolants, 0 QuantifiedInterpolants, 28437 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...