./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product31_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_2e9b563c-e714-42c8-b91a-0217f9704a6b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2e9b563c-e714-42c8-b91a-0217f9704a6b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2e9b563c-e714-42c8-b91a-0217f9704a6b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2e9b563c-e714-42c8-b91a-0217f9704a6b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product31_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2e9b563c-e714-42c8-b91a-0217f9704a6b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2e9b563c-e714-42c8-b91a-0217f9704a6b/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 e966d9b3bce12fee8fc2d0d68326680d997e6955 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 03:00:47,296 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:00:47,297 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:00:47,306 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:00:47,306 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:00:47,307 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:00:47,308 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:00:47,309 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:00:47,310 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:00:47,311 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:00:47,312 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:00:47,312 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:00:47,312 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:00:47,313 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:00:47,314 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:00:47,315 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:00:47,315 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:00:47,317 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:00:47,318 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:00:47,319 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:00:47,320 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:00:47,321 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:00:47,323 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:00:47,323 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:00:47,323 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:00:47,324 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:00:47,324 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:00:47,325 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:00:47,326 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:00:47,326 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:00:47,327 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:00:47,327 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:00:47,327 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:00:47,328 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:00:47,328 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:00:47,329 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:00:47,329 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2e9b563c-e714-42c8-b91a-0217f9704a6b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 03:00:47,339 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:00:47,339 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:00:47,340 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:00:47,340 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 03:00:47,340 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 03:00:47,341 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 03:00:47,341 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 03:00:47,341 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 03:00:47,341 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 03:00:47,341 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 03:00:47,341 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 03:00:47,341 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 03:00:47,342 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 03:00:47,342 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:00:47,342 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:00:47,342 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:00:47,343 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:00:47,343 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:00:47,343 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:00:47,343 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:00:47,343 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:00:47,343 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:00:47,343 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:00:47,344 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:00:47,344 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:00:47,344 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:00:47,344 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 03:00:47,344 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:00:47,344 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 03:00:47,344 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:00:47,345 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:00:47,345 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:00:47,345 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:00:47,345 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 03:00:47,345 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:00:47,345 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 03:00:47,345 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 03:00:47,346 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_2e9b563c-e714-42c8-b91a-0217f9704a6b/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 -> e966d9b3bce12fee8fc2d0d68326680d997e6955 [2018-11-23 03:00:47,370 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:00:47,379 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:00:47,382 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:00:47,383 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:00:47,383 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:00:47,384 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2e9b563c-e714-42c8-b91a-0217f9704a6b/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product31_true-unreach-call_false-termination.cil.c [2018-11-23 03:00:47,424 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2e9b563c-e714-42c8-b91a-0217f9704a6b/bin-2019/utaipan/data/ad44cfa84/7dc6d59b8d7845cfb1c1e13c8bd36318/FLAG12fbd009d [2018-11-23 03:00:47,807 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:00:47,807 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2e9b563c-e714-42c8-b91a-0217f9704a6b/sv-benchmarks/c/product-lines/minepump_spec4_product31_true-unreach-call_false-termination.cil.c [2018-11-23 03:00:47,816 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2e9b563c-e714-42c8-b91a-0217f9704a6b/bin-2019/utaipan/data/ad44cfa84/7dc6d59b8d7845cfb1c1e13c8bd36318/FLAG12fbd009d [2018-11-23 03:00:48,191 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2e9b563c-e714-42c8-b91a-0217f9704a6b/bin-2019/utaipan/data/ad44cfa84/7dc6d59b8d7845cfb1c1e13c8bd36318 [2018-11-23 03:00:48,193 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:00:48,194 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:00:48,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:00:48,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:00:48,198 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:00:48,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:00:48" (1/1) ... [2018-11-23 03:00:48,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60c4abc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:48, skipping insertion in model container [2018-11-23 03:00:48,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:00:48" (1/1) ... [2018-11-23 03:00:48,209 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:00:48,237 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:00:48,434 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:00:48,444 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:00:48,551 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:00:48,569 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:00:48,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:48 WrapperNode [2018-11-23 03:00:48,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:00:48,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:00:48,570 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:00:48,570 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:00:48,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:48" (1/1) ... [2018-11-23 03:00:48,588 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:48" (1/1) ... [2018-11-23 03:00:48,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:00:48,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:00:48,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:00:48,596 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:00:48,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:48" (1/1) ... [2018-11-23 03:00:48,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:48" (1/1) ... [2018-11-23 03:00:48,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:48" (1/1) ... [2018-11-23 03:00:48,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:48" (1/1) ... [2018-11-23 03:00:48,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:48" (1/1) ... [2018-11-23 03:00:48,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:48" (1/1) ... [2018-11-23 03:00:48,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:48" (1/1) ... [2018-11-23 03:00:48,627 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:00:48,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:00:48,628 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:00:48,628 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:00:48,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2e9b563c-e714-42c8-b91a-0217f9704a6b/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 [2018-11-23 03:00:48,679 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 03:00:48,679 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 03:00:48,679 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-23 03:00:48,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-23 03:00:48,680 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 03:00:48,680 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 03:00:48,680 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 03:00:48,680 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 03:00:48,680 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 03:00:48,680 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 03:00:48,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 03:00:48,680 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 03:00:48,681 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 03:00:48,681 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 03:00:48,681 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 03:00:48,681 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 03:00:48,681 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 03:00:48,681 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 03:00:48,681 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 03:00:48,681 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 03:00:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 03:00:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 03:00:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 03:00:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 03:00:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 03:00:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 03:00:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 03:00:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 03:00:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 03:00:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 03:00:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 03:00:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 03:00:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 03:00:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 03:00:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 03:00:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 03:00:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 03:00:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 03:00:48,684 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 03:00:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 03:00:48,684 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 03:00:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 03:00:48,684 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 03:00:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 03:00:48,684 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 03:00:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 03:00:48,684 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 03:00:48,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 03:00:48,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 03:00:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 03:00:48,685 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 03:00:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 03:00:48,685 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 03:00:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 03:00:48,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:00:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:00:49,103 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:00:49,104 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 03:00:49,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:00:49 BoogieIcfgContainer [2018-11-23 03:00:49,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:00:49,105 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 03:00:49,105 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 03:00:49,107 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 03:00:49,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:00:48" (1/3) ... [2018-11-23 03:00:49,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@87497cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:00:49, skipping insertion in model container [2018-11-23 03:00:49,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:48" (2/3) ... [2018-11-23 03:00:49,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@87497cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:00:49, skipping insertion in model container [2018-11-23 03:00:49,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:00:49" (3/3) ... [2018-11-23 03:00:49,110 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product31_true-unreach-call_false-termination.cil.c [2018-11-23 03:00:49,116 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 03:00:49,122 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 03:00:49,132 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 03:00:49,154 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 03:00:49,154 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 03:00:49,155 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 03:00:49,155 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 03:00:49,155 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 03:00:49,155 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 03:00:49,155 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 03:00:49,155 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 03:00:49,170 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2018-11-23 03:00:49,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 03:00:49,177 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:00:49,177 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 03:00:49,179 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:00:49,183 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:00:49,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1321822426, now seen corresponding path program 1 times [2018-11-23 03:00:49,185 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:00:49,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:00:49,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:00:49,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:00:49,215 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:00:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:00:49,365 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 03:00:49,367 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:00:49,367 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 03:00:49,367 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:00:49,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 03:00:49,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 03:00:49,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 03:00:49,380 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2018-11-23 03:00:49,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:00:49,408 INFO L93 Difference]: Finished difference Result 256 states and 319 transitions. [2018-11-23 03:00:49,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 03:00:49,409 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 03:00:49,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:00:49,418 INFO L225 Difference]: With dead ends: 256 [2018-11-23 03:00:49,418 INFO L226 Difference]: Without dead ends: 128 [2018-11-23 03:00:49,422 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 03:00:49,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-11-23 03:00:49,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-11-23 03:00:49,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-11-23 03:00:49,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 151 transitions. [2018-11-23 03:00:49,459 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 151 transitions. Word has length 46 [2018-11-23 03:00:49,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:00:49,460 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 151 transitions. [2018-11-23 03:00:49,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 03:00:49,460 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2018-11-23 03:00:49,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 03:00:49,462 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:00:49,462 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 03:00:49,463 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:00:49,463 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:00:49,463 INFO L82 PathProgramCache]: Analyzing trace with hash -387356426, now seen corresponding path program 1 times [2018-11-23 03:00:49,463 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:00:49,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:00:49,464 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:00:49,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:00:49,464 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:00:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:00:49,542 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 03:00:49,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:00:49,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 03:00:49,543 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:00:49,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:00:49,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:00:49,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:00:49,544 INFO L87 Difference]: Start difference. First operand 128 states and 151 transitions. Second operand 3 states. [2018-11-23 03:00:49,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:00:49,561 INFO L93 Difference]: Finished difference Result 199 states and 233 transitions. [2018-11-23 03:00:49,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:00:49,562 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 03:00:49,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:00:49,563 INFO L225 Difference]: With dead ends: 199 [2018-11-23 03:00:49,563 INFO L226 Difference]: Without dead ends: 119 [2018-11-23 03:00:49,565 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 03:00:49,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-11-23 03:00:49,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-11-23 03:00:49,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-11-23 03:00:49,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2018-11-23 03:00:49,575 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 47 [2018-11-23 03:00:49,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:00:49,576 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2018-11-23 03:00:49,576 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:00:49,576 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2018-11-23 03:00:49,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 03:00:49,577 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:00:49,577 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:00:49,578 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:00:49,578 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:00:49,578 INFO L82 PathProgramCache]: Analyzing trace with hash -198886752, now seen corresponding path program 1 times [2018-11-23 03:00:49,578 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:00:49,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:00:49,579 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:00:49,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:00:49,579 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:00:49,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:00:49,724 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 03:00:49,724 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:00:49,724 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 03:00:49,724 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:00:49,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 03:00:49,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 03:00:49,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 03:00:49,725 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 7 states. [2018-11-23 03:00:50,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:00:50,032 INFO L93 Difference]: Finished difference Result 359 states and 435 transitions. [2018-11-23 03:00:50,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 03:00:50,033 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-23 03:00:50,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:00:50,036 INFO L225 Difference]: With dead ends: 359 [2018-11-23 03:00:50,036 INFO L226 Difference]: Without dead ends: 264 [2018-11-23 03:00:50,037 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 03:00:50,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2018-11-23 03:00:50,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 256. [2018-11-23 03:00:50,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2018-11-23 03:00:50,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 310 transitions. [2018-11-23 03:00:50,065 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 310 transitions. Word has length 51 [2018-11-23 03:00:50,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:00:50,065 INFO L480 AbstractCegarLoop]: Abstraction has 256 states and 310 transitions. [2018-11-23 03:00:50,065 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 03:00:50,065 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 310 transitions. [2018-11-23 03:00:50,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 03:00:50,067 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:00:50,067 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] [2018-11-23 03:00:50,068 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:00:50,068 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:00:50,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1454594941, now seen corresponding path program 1 times [2018-11-23 03:00:50,069 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:00:50,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:00:50,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:00:50,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:00:50,070 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:00:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:00:50,178 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 03:00:50,179 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:00:50,179 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 03:00:50,179 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:00:50,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 03:00:50,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 03:00:50,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 03:00:50,180 INFO L87 Difference]: Start difference. First operand 256 states and 310 transitions. Second operand 10 states. [2018-11-23 03:00:50,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:00:50,506 INFO L93 Difference]: Finished difference Result 904 states and 1159 transitions. [2018-11-23 03:00:50,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 03:00:50,507 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-11-23 03:00:50,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:00:50,512 INFO L225 Difference]: With dead ends: 904 [2018-11-23 03:00:50,512 INFO L226 Difference]: Without dead ends: 672 [2018-11-23 03:00:50,515 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-23 03:00:50,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2018-11-23 03:00:50,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 660. [2018-11-23 03:00:50,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 660 states. [2018-11-23 03:00:50,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 820 transitions. [2018-11-23 03:00:50,566 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 820 transitions. Word has length 57 [2018-11-23 03:00:50,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:00:50,567 INFO L480 AbstractCegarLoop]: Abstraction has 660 states and 820 transitions. [2018-11-23 03:00:50,567 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 03:00:50,567 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 820 transitions. [2018-11-23 03:00:50,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 03:00:50,570 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:00:50,570 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] [2018-11-23 03:00:50,570 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:00:50,570 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:00:50,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1330838115, now seen corresponding path program 1 times [2018-11-23 03:00:50,571 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:00:50,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:00:50,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:00:50,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:00:50,572 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:00:50,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:00:50,637 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 03:00:50,637 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:00:50,637 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 03:00:50,637 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:00:50,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 03:00:50,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 03:00:50,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 03:00:50,638 INFO L87 Difference]: Start difference. First operand 660 states and 820 transitions. Second operand 4 states. [2018-11-23 03:00:50,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:00:50,800 INFO L93 Difference]: Finished difference Result 1062 states and 1360 transitions. [2018-11-23 03:00:50,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 03:00:50,805 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-11-23 03:00:50,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:00:50,807 INFO L225 Difference]: With dead ends: 1062 [2018-11-23 03:00:50,808 INFO L226 Difference]: Without dead ends: 426 [2018-11-23 03:00:50,809 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 03:00:50,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2018-11-23 03:00:50,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 414. [2018-11-23 03:00:50,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2018-11-23 03:00:50,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 476 transitions. [2018-11-23 03:00:50,835 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 476 transitions. Word has length 61 [2018-11-23 03:00:50,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:00:50,836 INFO L480 AbstractCegarLoop]: Abstraction has 414 states and 476 transitions. [2018-11-23 03:00:50,836 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 03:00:50,836 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 476 transitions. [2018-11-23 03:00:50,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 03:00:50,837 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:00:50,838 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:00:50,838 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:00:50,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:00:50,838 INFO L82 PathProgramCache]: Analyzing trace with hash -700059820, now seen corresponding path program 1 times [2018-11-23 03:00:50,838 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:00:50,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:00:50,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:00:50,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:00:50,839 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:00:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:00:50,922 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 03:00:50,922 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:00:50,923 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:00:50,923 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 89 with the following transitions: [2018-11-23 03:00:50,925 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [61], [63], [64], [65], [66], [78], [107], [116], [120], [124], [127], [132], [138], [140], [143], [145], [148], [161], [162], [163], [164], [179], [186], [189], [223], [229], [233], [234], [237], [238], [239], [240], [241], [243], [244], [245], [246], [247], [248], [249], [250], [251], [265], [277], [278], [281], [282], [283], [284], [291], [292], [297], [298], [299] [2018-11-23 03:00:50,958 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:00:50,958 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:00:51,553 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 03:00:51,555 INFO L272 AbstractInterpreter]: Visited 65 different actions 133 times. Merged at 13 different actions 19 times. Never widened. Performed 4459 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4459 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 2 different actions. Largest state had 133 variables. [2018-11-23 03:00:51,560 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:00:51,561 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 03:00:51,850 INFO L227 lantSequenceWeakener]: Weakened 84 states. On average, predicates are now at 98.52% of their original sizes. [2018-11-23 03:00:51,850 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 03:00:51,899 INFO L415 sIntCurrentIteration]: We unified 87 AI predicates to 87 [2018-11-23 03:00:51,899 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 03:00:51,900 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:00:51,900 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [7] total 17 [2018-11-23 03:00:51,901 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:00:51,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 03:00:51,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 03:00:51,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2018-11-23 03:00:51,903 INFO L87 Difference]: Start difference. First operand 414 states and 476 transitions. Second operand 12 states. [2018-11-23 03:00:53,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:00:53,119 INFO L93 Difference]: Finished difference Result 540 states and 630 transitions. [2018-11-23 03:00:53,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 03:00:53,119 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2018-11-23 03:00:53,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:00:53,120 INFO L225 Difference]: With dead ends: 540 [2018-11-23 03:00:53,120 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 03:00:53,121 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 97 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=378, Unknown=0, NotChecked=0, Total=462 [2018-11-23 03:00:53,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 03:00:53,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 03:00:53,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 03:00:53,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 03:00:53,122 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2018-11-23 03:00:53,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:00:53,122 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 03:00:53,122 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 03:00:53,123 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 03:00:53,123 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 03:00:53,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 03:00:53,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:00:53,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:00:53,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:00:53,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:00:54,105 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 162 168) the Hoare annotation is: true [2018-11-23 03:00:54,105 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 162 168) no Hoare annotation was computed. [2018-11-23 03:00:54,105 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 169 177) no Hoare annotation was computed. [2018-11-23 03:00:54,105 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 169 177) the Hoare annotation is: true [2018-11-23 03:00:54,106 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 169 177) no Hoare annotation was computed. [2018-11-23 03:00:54,106 INFO L448 ceAbstractionStarter]: For program point L930-1(lines 922 946) no Hoare annotation was computed. [2018-11-23 03:00:54,106 INFO L451 ceAbstractionStarter]: At program point L928(line 928) the Hoare annotation is: true [2018-11-23 03:00:54,106 INFO L448 ceAbstractionStarter]: For program point L928-1(line 928) no Hoare annotation was computed. [2018-11-23 03:00:54,106 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 922 946) the Hoare annotation is: true [2018-11-23 03:00:54,106 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 922 946) no Hoare annotation was computed. [2018-11-23 03:00:54,106 INFO L444 ceAbstractionStarter]: At program point L936(line 936) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~systemActive~0 1))) (or .cse0 (not (= ~systemActive~0 0))))) [2018-11-23 03:00:54,106 INFO L448 ceAbstractionStarter]: For program point L934(lines 934 940) no Hoare annotation was computed. [2018-11-23 03:00:54,106 INFO L444 ceAbstractionStarter]: At program point L932(line 932) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~waterLevel~0 0))) (and (or .cse0 .cse1 (not (= ~systemActive~0 1))) (or .cse0 (not (= ~systemActive~0 0)) .cse1))) [2018-11-23 03:00:54,106 INFO L448 ceAbstractionStarter]: For program point L932-1(line 932) no Hoare annotation was computed. [2018-11-23 03:00:54,107 INFO L448 ceAbstractionStarter]: For program point L930(lines 930 943) no Hoare annotation was computed. [2018-11-23 03:00:54,107 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-11-23 03:00:54,107 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-11-23 03:00:54,107 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:00:54,107 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:00:54,107 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:00:54,107 INFO L444 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:00:54,107 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-11-23 03:00:54,107 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-11-23 03:00:54,107 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= main_~tmp~0 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:00:54,108 INFO L444 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= main_~tmp~0 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:00:54,108 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-11-23 03:00:54,108 INFO L444 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 03:00:54,108 INFO L448 ceAbstractionStarter]: For program point L765-1(lines 746 770) no Hoare annotation was computed. [2018-11-23 03:00:54,108 INFO L444 ceAbstractionStarter]: At program point L760(line 760) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 03:00:54,108 INFO L444 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 03:00:54,108 INFO L448 ceAbstractionStarter]: For program point L754(lines 754 762) no Hoare annotation was computed. [2018-11-23 03:00:54,108 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 746 770) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 03:00:54,108 INFO L444 ceAbstractionStarter]: At program point L752(line 752) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 03:00:54,108 INFO L448 ceAbstractionStarter]: For program point L752-1(line 752) no Hoare annotation was computed. [2018-11-23 03:00:54,108 INFO L448 ceAbstractionStarter]: For program point L750(lines 750 767) no Hoare annotation was computed. [2018-11-23 03:00:54,109 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 746 770) no Hoare annotation was computed. [2018-11-23 03:00:54,109 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 905 919) no Hoare annotation was computed. [2018-11-23 03:00:54,109 INFO L444 ceAbstractionStarter]: At program point L911(line 911) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-23 03:00:54,109 INFO L448 ceAbstractionStarter]: For program point L909(lines 909 915) no Hoare annotation was computed. [2018-11-23 03:00:54,109 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 905 919) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~systemActive~0)| 0)) .cse0 (= ~systemActive~0 0)) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-23 03:00:54,109 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 905 919) no Hoare annotation was computed. [2018-11-23 03:00:54,109 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 841 849) no Hoare annotation was computed. [2018-11-23 03:00:54,109 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 841 849) the Hoare annotation is: true [2018-11-23 03:00:54,109 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 841 849) no Hoare annotation was computed. [2018-11-23 03:00:54,109 INFO L448 ceAbstractionStarter]: For program point L895(lines 895 899) no Hoare annotation was computed. [2018-11-23 03:00:54,109 INFO L451 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: true [2018-11-23 03:00:54,109 INFO L448 ceAbstractionStarter]: For program point L895-2(lines 895 899) no Hoare annotation was computed. [2018-11-23 03:00:54,109 INFO L448 ceAbstractionStarter]: For program point L893-1(line 893) no Hoare annotation was computed. [2018-11-23 03:00:54,110 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 886 904) the Hoare annotation is: true [2018-11-23 03:00:54,110 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 886 904) no Hoare annotation was computed. [2018-11-23 03:00:54,110 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 886 904) no Hoare annotation was computed. [2018-11-23 03:00:54,110 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 155 161) no Hoare annotation was computed. [2018-11-23 03:00:54,110 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 155 161) the Hoare annotation is: true [2018-11-23 03:00:54,110 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:00:54,110 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-11-23 03:00:54,110 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-11-23 03:00:54,110 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 830 840) the Hoare annotation is: true [2018-11-23 03:00:54,110 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 830 840) no Hoare annotation was computed. [2018-11-23 03:00:54,110 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 830 840) no Hoare annotation was computed. [2018-11-23 03:00:54,111 INFO L451 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: true [2018-11-23 03:00:54,111 INFO L448 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2018-11-23 03:00:54,111 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 822 829) the Hoare annotation is: true [2018-11-23 03:00:54,111 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 822 829) no Hoare annotation was computed. [2018-11-23 03:00:54,111 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 822 829) no Hoare annotation was computed. [2018-11-23 03:00:54,111 INFO L444 ceAbstractionStarter]: At program point L791(line 791) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 03:00:54,111 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 772 796) no Hoare annotation was computed. [2018-11-23 03:00:54,111 INFO L448 ceAbstractionStarter]: For program point L791-1(lines 772 796) no Hoare annotation was computed. [2018-11-23 03:00:54,111 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 772 796) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 03:00:54,111 INFO L444 ceAbstractionStarter]: At program point L786(line 786) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 03:00:54,111 INFO L444 ceAbstractionStarter]: At program point L782(line 782) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 03:00:54,111 INFO L448 ceAbstractionStarter]: For program point L780(lines 780 788) no Hoare annotation was computed. [2018-11-23 03:00:54,112 INFO L444 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 03:00:54,112 INFO L448 ceAbstractionStarter]: For program point L778-1(line 778) no Hoare annotation was computed. [2018-11-23 03:00:54,112 INFO L448 ceAbstractionStarter]: For program point L776(lines 776 793) no Hoare annotation was computed. [2018-11-23 03:00:54,112 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 738 744) no Hoare annotation was computed. [2018-11-23 03:00:54,112 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 738 744) the Hoare annotation is: true [2018-11-23 03:00:54,112 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 640 705) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:00:54,112 INFO L444 ceAbstractionStarter]: At program point L698(lines 649 699) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:00:54,112 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 640 705) no Hoare annotation was computed. [2018-11-23 03:00:54,112 INFO L444 ceAbstractionStarter]: At program point L688(line 688) the Hoare annotation is: (or (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:00:54,112 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 692) no Hoare annotation was computed. [2018-11-23 03:00:54,112 INFO L444 ceAbstractionStarter]: At program point L686-1(lines 680 693) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) .cse0 .cse1) (and (= ~systemActive~0 0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 03:00:54,113 INFO L448 ceAbstractionStarter]: For program point L651(lines 650 697) no Hoare annotation was computed. [2018-11-23 03:00:54,113 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 693) no Hoare annotation was computed. [2018-11-23 03:00:54,113 INFO L444 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) .cse0 .cse1) (and (= ~systemActive~0 0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 03:00:54,113 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 676) no Hoare annotation was computed. [2018-11-23 03:00:54,113 INFO L448 ceAbstractionStarter]: For program point L670-1(lines 670 676) no Hoare annotation was computed. [2018-11-23 03:00:54,113 INFO L444 ceAbstractionStarter]: At program point L695(lines 650 697) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) .cse0 .cse1) (and (= ~systemActive~0 0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 03:00:54,113 INFO L444 ceAbstractionStarter]: At program point L662(line 662) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) .cse0 .cse1) (and (= ~systemActive~0 0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 03:00:54,113 INFO L448 ceAbstractionStarter]: For program point L660(lines 660 666) no Hoare annotation was computed. [2018-11-23 03:00:54,113 INFO L448 ceAbstractionStarter]: For program point L660-1(lines 660 666) no Hoare annotation was computed. [2018-11-23 03:00:54,113 INFO L448 ceAbstractionStarter]: For program point L652(lines 652 656) no Hoare annotation was computed. [2018-11-23 03:00:54,113 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 640 705) no Hoare annotation was computed. [2018-11-23 03:00:54,114 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 629 637) no Hoare annotation was computed. [2018-11-23 03:00:54,114 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 629 637) the Hoare annotation is: true [2018-11-23 03:00:54,114 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 629 637) no Hoare annotation was computed. [2018-11-23 03:00:54,114 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:00:54,114 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-23 03:00:54,114 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:00:54,114 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 620 628) the Hoare annotation is: true [2018-11-23 03:00:54,114 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 620 628) no Hoare annotation was computed. [2018-11-23 03:00:54,114 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 620 628) no Hoare annotation was computed. [2018-11-23 03:00:54,114 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 576 587) the Hoare annotation is: true [2018-11-23 03:00:54,114 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 576 587) no Hoare annotation was computed. [2018-11-23 03:00:54,114 INFO L448 ceAbstractionStarter]: For program point L580-1(lines 576 587) no Hoare annotation was computed. [2018-11-23 03:00:54,114 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 588 596) the Hoare annotation is: true [2018-11-23 03:00:54,114 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 588 596) no Hoare annotation was computed. [2018-11-23 03:00:54,115 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 588 596) no Hoare annotation was computed. [2018-11-23 03:00:54,115 INFO L444 ceAbstractionStarter]: At program point L727(line 727) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~waterLevel~0 1) .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1) (or .cse0 (not (= ~systemActive~0 0))) (or (not (= ~waterLevel~0 0)) .cse0 (= |old(~waterLevel~0)| 0) .cse1))) [2018-11-23 03:00:54,115 INFO L444 ceAbstractionStarter]: At program point L725(lines 725 731) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~waterLevel~0 0))) (.cse7 (= |old(~waterLevel~0)| 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 0))) (.cse1 (= ~waterLevel~0 1)) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2) (or .cse0 .cse5 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse6 .cse0 .cse7 .cse2) (or .cse0 .cse5 .cse1 .cse3))) [2018-11-23 03:00:54,115 INFO L444 ceAbstractionStarter]: At program point L720(line 720) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~systemActive~0 1))) (or .cse0 (not (= ~systemActive~0 0))))) [2018-11-23 03:00:54,115 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 714 737) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~waterLevel~0 0))) (.cse7 (= |old(~waterLevel~0)| 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 0))) (.cse1 (= ~waterLevel~0 1)) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2) (or .cse0 .cse5 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse6 .cse0 .cse7 .cse2) (or .cse0 .cse5 .cse1 .cse3))) [2018-11-23 03:00:54,115 INFO L448 ceAbstractionStarter]: For program point L718(lines 717 736) no Hoare annotation was computed. [2018-11-23 03:00:54,115 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 714 737) no Hoare annotation was computed. [2018-11-23 03:00:54,115 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 714 737) no Hoare annotation was computed. [2018-11-23 03:00:54,115 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-23 03:00:54,115 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-23 03:00:54,115 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-23 03:00:54,116 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-23 03:00:54,116 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-23 03:00:54,116 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-23 03:00:54,116 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-11-23 03:00:54,116 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-23 03:00:54,116 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-23 03:00:54,116 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-23 03:00:54,116 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 552 563) the Hoare annotation is: true [2018-11-23 03:00:54,116 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 552 563) no Hoare annotation was computed. [2018-11-23 03:00:54,116 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 552 563) no Hoare annotation was computed. [2018-11-23 03:00:54,116 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-23 03:00:54,116 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-23 03:00:54,116 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:00:54,116 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-23 03:00:54,117 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 03:00:54,117 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:00:54,117 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 564 575) no Hoare annotation was computed. [2018-11-23 03:00:54,117 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 564 575) no Hoare annotation was computed. [2018-11-23 03:00:54,117 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 564 575) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~waterLevel~0 1)) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 (not (= ~systemActive~0 1)) .cse2) (or .cse0 (not (= ~systemActive~0 0)) .cse1 .cse2))) [2018-11-23 03:00:54,117 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 948 955) no Hoare annotation was computed. [2018-11-23 03:00:54,117 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 948 955) the Hoare annotation is: true [2018-11-23 03:00:54,117 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 948 955) no Hoare annotation was computed. [2018-11-23 03:00:54,117 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 952) no Hoare annotation was computed. [2018-11-23 03:00:54,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:00:54 BoogieIcfgContainer [2018-11-23 03:00:54,126 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 03:00:54,127 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:00:54,127 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:00:54,127 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:00:54,127 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:00:49" (3/4) ... [2018-11-23 03:00:54,130 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 03:00:54,134 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 03:00:54,135 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 03:00:54,135 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-23 03:00:54,135 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 03:00:54,135 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 03:00:54,135 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 03:00:54,135 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 03:00:54,135 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 03:00:54,135 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 03:00:54,135 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 03:00:54,135 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 03:00:54,135 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 03:00:54,135 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 03:00:54,135 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 03:00:54,135 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 03:00:54,136 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 03:00:54,136 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 03:00:54,136 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 03:00:54,136 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 03:00:54,136 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 03:00:54,136 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 03:00:54,136 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 03:00:54,136 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 03:00:54,136 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 03:00:54,136 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 03:00:54,137 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 03:00:54,142 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-23 03:00:54,142 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 03:00:54,142 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 03:00:54,143 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 03:00:54,143 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 03:00:54,143 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 03:00:54,143 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 03:00:54,160 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || ((systemActive == 0 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-23 03:00:54,161 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-23 03:00:54,195 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2e9b563c-e714-42c8-b91a-0217f9704a6b/bin-2019/utaipan/witness.graphml [2018-11-23 03:00:54,195 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:00:54,196 INFO L168 Benchmark]: Toolchain (without parser) took 6002.36 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 339.2 MB). Free memory was 956.4 MB in the beginning and 1.3 GB in the end (delta: -339.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:00:54,197 INFO L168 Benchmark]: CDTParser took 0.18 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 03:00:54,197 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -183.4 MB). Peak memory consumption was 35.4 MB. Max. memory is 11.5 GB. [2018-11-23 03:00:54,198 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.47 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 03:00:54,198 INFO L168 Benchmark]: Boogie Preprocessor took 31.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:00:54,198 INFO L168 Benchmark]: RCFGBuilder took 476.61 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: 52.7 MB). Peak memory consumption was 52.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:00:54,198 INFO L168 Benchmark]: TraceAbstraction took 5021.43 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 189.8 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -220.5 MB). Peak memory consumption was 435.3 MB. Max. memory is 11.5 GB. [2018-11-23 03:00:54,198 INFO L168 Benchmark]: Witness Printer took 68.72 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2018-11-23 03:00:54,200 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 375.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -183.4 MB). Peak memory consumption was 35.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.47 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 476.61 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: 52.7 MB). Peak memory consumption was 52.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5021.43 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 189.8 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -220.5 MB). Peak memory consumption was 435.3 MB. Max. memory is 11.5 GB. * Witness Printer took 68.72 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 952]: 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || ((systemActive == 0 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 141 locations, 1 error locations. SAFE Result, 4.9s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 2.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 834 SDtfs, 692 SDslu, 2381 SDs, 0 SdLazy, 583 SolverSat, 133 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 149 GetRequests, 99 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=660occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.6s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9965669899732427 AbsIntWeakeningRatio, 1.0804597701149425 AbsIntAvgWeakeningVarsNumRemoved, 106.59770114942529 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 32 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 766 PreInvPairs, 804 NumberOfFragments, 848 HoareAnnotationTreeSize, 766 FomulaSimplifications, 789 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 60 FomulaSimplificationsInter, 2395 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 350 NumberOfCodeBlocks, 350 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 344 ConstructedInterpolants, 0 QuantifiedInterpolants, 42856 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 20/23 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...