./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product23_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_c3372a34-c21e-4278-9161-69cd06892537/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c3372a34-c21e-4278-9161-69cd06892537/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c3372a34-c21e-4278-9161-69cd06892537/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c3372a34-c21e-4278-9161-69cd06892537/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product23_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c3372a34-c21e-4278-9161-69cd06892537/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c3372a34-c21e-4278-9161-69cd06892537/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 87504a1abfe2d10f353d562b38ba2c6a9363e65c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 12:51:07,375 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:51:07,376 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:51:07,384 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:51:07,384 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:51:07,385 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:51:07,385 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:51:07,387 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:51:07,388 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:51:07,388 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:51:07,389 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:51:07,389 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:51:07,390 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:51:07,391 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:51:07,391 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:51:07,392 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:51:07,392 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:51:07,394 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:51:07,395 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:51:07,396 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:51:07,397 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:51:07,398 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:51:07,399 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:51:07,400 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:51:07,400 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:51:07,400 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:51:07,401 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:51:07,402 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:51:07,402 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:51:07,403 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:51:07,403 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:51:07,404 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:51:07,404 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:51:07,404 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:51:07,405 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:51:07,405 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:51:07,405 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c3372a34-c21e-4278-9161-69cd06892537/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 12:51:07,416 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:51:07,416 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:51:07,417 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:51:07,417 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:51:07,417 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 12:51:07,417 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 12:51:07,417 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 12:51:07,417 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 12:51:07,418 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 12:51:07,418 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 12:51:07,418 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 12:51:07,418 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 12:51:07,418 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 12:51:07,418 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:51:07,418 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:51:07,419 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:51:07,419 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:51:07,419 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:51:07,419 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:51:07,419 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:51:07,419 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:51:07,419 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:51:07,420 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:51:07,420 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:51:07,420 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:51:07,420 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:51:07,420 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:51:07,420 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:51:07,420 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:51:07,420 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:51:07,421 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:51:07,421 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:51:07,421 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:51:07,421 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 12:51:07,421 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:51:07,421 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:51:07,421 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 12:51:07,421 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_c3372a34-c21e-4278-9161-69cd06892537/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 -> 87504a1abfe2d10f353d562b38ba2c6a9363e65c [2018-11-23 12:51:07,445 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:51:07,454 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:51:07,456 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:51:07,457 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:51:07,457 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:51:07,457 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c3372a34-c21e-4278-9161-69cd06892537/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product23_true-unreach-call_false-termination.cil.c [2018-11-23 12:51:07,497 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c3372a34-c21e-4278-9161-69cd06892537/bin-2019/utaipan/data/9c18fab63/0046131c94a44f598496d8dde0357195/FLAGf2c01c0b5 [2018-11-23 12:51:07,877 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:51:07,878 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c3372a34-c21e-4278-9161-69cd06892537/sv-benchmarks/c/product-lines/minepump_spec4_product23_true-unreach-call_false-termination.cil.c [2018-11-23 12:51:07,886 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c3372a34-c21e-4278-9161-69cd06892537/bin-2019/utaipan/data/9c18fab63/0046131c94a44f598496d8dde0357195/FLAGf2c01c0b5 [2018-11-23 12:51:08,258 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c3372a34-c21e-4278-9161-69cd06892537/bin-2019/utaipan/data/9c18fab63/0046131c94a44f598496d8dde0357195 [2018-11-23 12:51:08,260 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:51:08,261 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:51:08,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:51:08,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:51:08,263 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:51:08,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:51:08" (1/1) ... [2018-11-23 12:51:08,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2582a661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:08, skipping insertion in model container [2018-11-23 12:51:08,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:51:08" (1/1) ... [2018-11-23 12:51:08,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:51:08,304 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:51:08,527 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:51:08,539 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:51:08,643 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:51:08,659 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:51:08,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:08 WrapperNode [2018-11-23 12:51:08,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:51:08,660 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:51:08,660 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:51:08,660 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:51:08,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:08" (1/1) ... [2018-11-23 12:51:08,677 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:08" (1/1) ... [2018-11-23 12:51:08,684 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:51:08,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:51:08,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:51:08,685 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:51:08,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:08" (1/1) ... [2018-11-23 12:51:08,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:08" (1/1) ... [2018-11-23 12:51:08,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:08" (1/1) ... [2018-11-23 12:51:08,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:08" (1/1) ... [2018-11-23 12:51:08,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:08" (1/1) ... [2018-11-23 12:51:08,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:08" (1/1) ... [2018-11-23 12:51:08,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:08" (1/1) ... [2018-11-23 12:51:08,709 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:51:08,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:51:08,709 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:51:08,709 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:51:08,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c3372a34-c21e-4278-9161-69cd06892537/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 12:51:08,744 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 12:51:08,745 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 12:51:08,745 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-23 12:51:08,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-23 12:51:08,745 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 12:51:08,745 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 12:51:08,745 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 12:51:08,745 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 12:51:08,745 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 12:51:08,745 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 12:51:08,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 12:51:08,746 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 12:51:08,746 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 12:51:08,746 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 12:51:08,746 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 12:51:08,746 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 12:51:08,746 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 12:51:08,746 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 12:51:08,746 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 12:51:08,746 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 12:51:08,747 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 12:51:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 12:51:08,747 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 12:51:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 12:51:08,747 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 12:51:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 12:51:08,747 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 12:51:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 12:51:08,747 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 12:51:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 12:51:08,748 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 12:51:08,748 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 12:51:08,748 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 12:51:08,748 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 12:51:08,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 12:51:08,748 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 12:51:08,748 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 12:51:08,748 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 12:51:08,748 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 12:51:08,748 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 12:51:08,749 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 12:51:08,749 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 12:51:08,749 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 12:51:08,749 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 12:51:08,749 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 12:51:08,749 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 12:51:08,749 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 12:51:08,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 12:51:08,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 12:51:08,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 12:51:08,750 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 12:51:08,750 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 12:51:08,750 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 12:51:08,750 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 12:51:08,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:51:08,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:51:09,119 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:51:09,120 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 12:51:09,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:51:09 BoogieIcfgContainer [2018-11-23 12:51:09,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:51:09,121 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 12:51:09,121 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 12:51:09,124 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 12:51:09,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:51:08" (1/3) ... [2018-11-23 12:51:09,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28c96396 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:51:09, skipping insertion in model container [2018-11-23 12:51:09,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:08" (2/3) ... [2018-11-23 12:51:09,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28c96396 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:51:09, skipping insertion in model container [2018-11-23 12:51:09,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:51:09" (3/3) ... [2018-11-23 12:51:09,127 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product23_true-unreach-call_false-termination.cil.c [2018-11-23 12:51:09,135 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 12:51:09,142 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 12:51:09,155 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 12:51:09,181 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 12:51:09,181 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 12:51:09,182 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 12:51:09,182 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:51:09,182 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:51:09,182 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 12:51:09,182 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:51:09,182 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 12:51:09,199 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2018-11-23 12:51:09,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 12:51:09,206 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:51:09,206 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:51:09,208 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:51:09,213 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:51:09,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1288936589, now seen corresponding path program 1 times [2018-11-23 12:51:09,216 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:51:09,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:51:09,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:51:09,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:51:09,254 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:51:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:51:09,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:51:09,403 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:51:09,403 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 12:51:09,403 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:51:09,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 12:51:09,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 12:51:09,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 12:51:09,419 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2018-11-23 12:51:09,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:51:09,445 INFO L93 Difference]: Finished difference Result 256 states and 319 transitions. [2018-11-23 12:51:09,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 12:51:09,446 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 12:51:09,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:51:09,457 INFO L225 Difference]: With dead ends: 256 [2018-11-23 12:51:09,457 INFO L226 Difference]: Without dead ends: 128 [2018-11-23 12:51:09,460 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 12:51:09,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-11-23 12:51:09,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-11-23 12:51:09,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-11-23 12:51:09,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 151 transitions. [2018-11-23 12:51:09,504 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 151 transitions. Word has length 46 [2018-11-23 12:51:09,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:51:09,504 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 151 transitions. [2018-11-23 12:51:09,505 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 12:51:09,505 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2018-11-23 12:51:09,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 12:51:09,507 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:51:09,507 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:51:09,507 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:51:09,508 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:51:09,508 INFO L82 PathProgramCache]: Analyzing trace with hash -2019355079, now seen corresponding path program 1 times [2018-11-23 12:51:09,508 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:51:09,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:51:09,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:51:09,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:51:09,509 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:51:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:51:09,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:51:09,588 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:51:09,588 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:51:09,588 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:51:09,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:51:09,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:51:09,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:51:09,590 INFO L87 Difference]: Start difference. First operand 128 states and 151 transitions. Second operand 3 states. [2018-11-23 12:51:09,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:51:09,606 INFO L93 Difference]: Finished difference Result 199 states and 233 transitions. [2018-11-23 12:51:09,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:51:09,607 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 12:51:09,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:51:09,609 INFO L225 Difference]: With dead ends: 199 [2018-11-23 12:51:09,609 INFO L226 Difference]: Without dead ends: 119 [2018-11-23 12:51:09,610 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:51:09,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-11-23 12:51:09,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-11-23 12:51:09,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-11-23 12:51:09,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2018-11-23 12:51:09,620 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 47 [2018-11-23 12:51:09,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:51:09,621 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2018-11-23 12:51:09,621 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:51:09,621 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2018-11-23 12:51:09,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 12:51:09,622 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:51:09,622 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 12:51:09,623 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:51:09,623 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:51:09,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1588696012, now seen corresponding path program 1 times [2018-11-23 12:51:09,623 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:51:09,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:51:09,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:51:09,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:51:09,624 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:51:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:51:09,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:51:09,736 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:51:09,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 12:51:09,737 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:51:09,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 12:51:09,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 12:51:09,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 12:51:09,738 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 7 states. [2018-11-23 12:51:10,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:51:10,045 INFO L93 Difference]: Finished difference Result 359 states and 435 transitions. [2018-11-23 12:51:10,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 12:51:10,046 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-23 12:51:10,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:51:10,050 INFO L225 Difference]: With dead ends: 359 [2018-11-23 12:51:10,050 INFO L226 Difference]: Without dead ends: 264 [2018-11-23 12:51:10,051 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 12:51:10,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2018-11-23 12:51:10,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 256. [2018-11-23 12:51:10,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2018-11-23 12:51:10,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 310 transitions. [2018-11-23 12:51:10,084 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 310 transitions. Word has length 51 [2018-11-23 12:51:10,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:51:10,084 INFO L480 AbstractCegarLoop]: Abstraction has 256 states and 310 transitions. [2018-11-23 12:51:10,084 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 12:51:10,084 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 310 transitions. [2018-11-23 12:51:10,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 12:51:10,086 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:51:10,087 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 12:51:10,087 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:51:10,087 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:51:10,088 INFO L82 PathProgramCache]: Analyzing trace with hash 2113637171, now seen corresponding path program 1 times [2018-11-23 12:51:10,088 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:51:10,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:51:10,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:51:10,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:51:10,089 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:51:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:51:10,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:51:10,200 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:51:10,200 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 12:51:10,200 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:51:10,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 12:51:10,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 12:51:10,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 12:51:10,201 INFO L87 Difference]: Start difference. First operand 256 states and 310 transitions. Second operand 10 states. [2018-11-23 12:51:10,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:51:10,548 INFO L93 Difference]: Finished difference Result 904 states and 1159 transitions. [2018-11-23 12:51:10,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 12:51:10,549 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-11-23 12:51:10,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:51:10,553 INFO L225 Difference]: With dead ends: 904 [2018-11-23 12:51:10,553 INFO L226 Difference]: Without dead ends: 672 [2018-11-23 12:51:10,555 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-23 12:51:10,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2018-11-23 12:51:10,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 660. [2018-11-23 12:51:10,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 660 states. [2018-11-23 12:51:10,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 820 transitions. [2018-11-23 12:51:10,595 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 820 transitions. Word has length 57 [2018-11-23 12:51:10,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:51:10,596 INFO L480 AbstractCegarLoop]: Abstraction has 660 states and 820 transitions. [2018-11-23 12:51:10,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 12:51:10,596 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 820 transitions. [2018-11-23 12:51:10,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 12:51:10,598 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:51:10,598 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 12:51:10,598 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:51:10,599 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:51:10,599 INFO L82 PathProgramCache]: Analyzing trace with hash 2091737401, now seen corresponding path program 1 times [2018-11-23 12:51:10,599 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:51:10,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:51:10,600 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:51:10,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:51:10,600 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:51:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:51:10,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:51:10,660 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:51:10,660 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 12:51:10,660 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:51:10,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 12:51:10,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 12:51:10,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 12:51:10,661 INFO L87 Difference]: Start difference. First operand 660 states and 820 transitions. Second operand 4 states. [2018-11-23 12:51:10,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:51:10,741 INFO L93 Difference]: Finished difference Result 1062 states and 1360 transitions. [2018-11-23 12:51:10,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 12:51:10,744 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-11-23 12:51:10,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:51:10,745 INFO L225 Difference]: With dead ends: 1062 [2018-11-23 12:51:10,745 INFO L226 Difference]: Without dead ends: 426 [2018-11-23 12:51:10,747 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 12:51:10,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2018-11-23 12:51:10,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 414. [2018-11-23 12:51:10,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2018-11-23 12:51:10,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 476 transitions. [2018-11-23 12:51:10,766 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 476 transitions. Word has length 61 [2018-11-23 12:51:10,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:51:10,767 INFO L480 AbstractCegarLoop]: Abstraction has 414 states and 476 transitions. [2018-11-23 12:51:10,767 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 12:51:10,767 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 476 transitions. [2018-11-23 12:51:10,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 12:51:10,768 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:51:10,769 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 12:51:10,769 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:51:10,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:51:10,769 INFO L82 PathProgramCache]: Analyzing trace with hash -408469595, now seen corresponding path program 1 times [2018-11-23 12:51:10,769 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:51:10,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:51:10,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:51:10,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:51:10,770 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:51:10,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:51:10,857 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 12:51:10,857 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:51:10,858 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:51:10,858 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 89 with the following transitions: [2018-11-23 12:51:10,859 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [42], [44], [45], [46], [47], [59], [88], [97], [101], [105], [108], [113], [119], [121], [124], [126], [129], [142], [143], [144], [145], [184], [191], [194], [204], [210], [214], [215], [237], [238], [239], [240], [241], [243], [244], [245], [246], [247], [248], [249], [250], [251], [257], [269], [270], [273], [274], [275], [276], [287], [288], [289], [290], [291] [2018-11-23 12:51:10,884 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:51:10,884 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:51:11,335 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 12:51:11,337 INFO L272 AbstractInterpreter]: Visited 65 different actions 133 times. Merged at 13 different actions 19 times. Never widened. Performed 4845 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4845 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 12:51:11,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:51:11,342 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 12:51:11,556 INFO L227 lantSequenceWeakener]: Weakened 84 states. On average, predicates are now at 98.33% of their original sizes. [2018-11-23 12:51:11,557 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 12:51:11,624 INFO L415 sIntCurrentIteration]: We unified 87 AI predicates to 87 [2018-11-23 12:51:11,624 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 12:51:11,625 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 12:51:11,625 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [7] total 19 [2018-11-23 12:51:11,625 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:51:11,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 12:51:11,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 12:51:11,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-11-23 12:51:11,626 INFO L87 Difference]: Start difference. First operand 414 states and 476 transitions. Second operand 14 states. [2018-11-23 12:51:13,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:51:13,396 INFO L93 Difference]: Finished difference Result 542 states and 635 transitions. [2018-11-23 12:51:13,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-23 12:51:13,396 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 88 [2018-11-23 12:51:13,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:51:13,397 INFO L225 Difference]: With dead ends: 542 [2018-11-23 12:51:13,397 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 12:51:13,398 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 97 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=445, Unknown=0, NotChecked=0, Total=552 [2018-11-23 12:51:13,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 12:51:13,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 12:51:13,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 12:51:13,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 12:51:13,398 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2018-11-23 12:51:13,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:51:13,399 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 12:51:13,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 12:51:13,399 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:51:13,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:51:13,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 12:51:13,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:51:13,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:51:13,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:51:14,419 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 532 538) the Hoare annotation is: true [2018-11-23 12:51:14,420 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 532 538) no Hoare annotation was computed. [2018-11-23 12:51:14,420 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 539 547) no Hoare annotation was computed. [2018-11-23 12:51:14,420 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 539 547) the Hoare annotation is: true [2018-11-23 12:51:14,420 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 539 547) no Hoare annotation was computed. [2018-11-23 12:51:14,420 INFO L444 ceAbstractionStarter]: At program point L831(line 831) 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 12:51:14,420 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 817 841) the Hoare annotation is: true [2018-11-23 12:51:14,420 INFO L448 ceAbstractionStarter]: For program point L829(lines 829 835) no Hoare annotation was computed. [2018-11-23 12:51:14,421 INFO L444 ceAbstractionStarter]: At program point L827(line 827) 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 12:51:14,421 INFO L448 ceAbstractionStarter]: For program point L827-1(line 827) no Hoare annotation was computed. [2018-11-23 12:51:14,421 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 838) no Hoare annotation was computed. [2018-11-23 12:51:14,421 INFO L448 ceAbstractionStarter]: For program point L825-1(lines 817 841) no Hoare annotation was computed. [2018-11-23 12:51:14,421 INFO L451 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: true [2018-11-23 12:51:14,421 INFO L448 ceAbstractionStarter]: For program point L823-1(line 823) no Hoare annotation was computed. [2018-11-23 12:51:14,421 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 817 841) no Hoare annotation was computed. [2018-11-23 12:51:14,421 INFO L444 ceAbstractionStarter]: At program point L927(line 927) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 1) (= main_~tmp~8 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:51:14,422 INFO L444 ceAbstractionStarter]: At program point L927-1(line 927) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 1) (= main_~tmp~8 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:51:14,422 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 915 937) 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 12:51:14,422 INFO L448 ceAbstractionStarter]: For program point L925(lines 925 932) no Hoare annotation was computed. [2018-11-23 12:51:14,422 INFO L448 ceAbstractionStarter]: For program point L925-1(lines 925 932) no Hoare annotation was computed. [2018-11-23 12:51:14,422 INFO L448 ceAbstractionStarter]: For program point L923(line 923) no Hoare annotation was computed. [2018-11-23 12:51:14,422 INFO L444 ceAbstractionStarter]: At program point L922(line 922) 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 12:51:14,422 INFO L444 ceAbstractionStarter]: At program point L921(line 921) 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 12:51:14,422 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 915 937) no Hoare annotation was computed. [2018-11-23 12:51:14,422 INFO L444 ceAbstractionStarter]: At program point L921-1(line 921) 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 12:51:14,422 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 915 937) no Hoare annotation was computed. [2018-11-23 12:51:14,422 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 801 815) no Hoare annotation was computed. [2018-11-23 12:51:14,422 INFO L444 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-23 12:51:14,422 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 801 815) 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 12:51:14,422 INFO L448 ceAbstractionStarter]: For program point L805(lines 805 811) no Hoare annotation was computed. [2018-11-23 12:51:14,422 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 801 815) no Hoare annotation was computed. [2018-11-23 12:51:14,423 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 737 745) no Hoare annotation was computed. [2018-11-23 12:51:14,423 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 737 745) the Hoare annotation is: true [2018-11-23 12:51:14,423 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 737 745) no Hoare annotation was computed. [2018-11-23 12:51:14,423 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 782 800) the Hoare annotation is: true [2018-11-23 12:51:14,423 INFO L448 ceAbstractionStarter]: For program point L791(lines 791 795) no Hoare annotation was computed. [2018-11-23 12:51:14,423 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 782 800) no Hoare annotation was computed. [2018-11-23 12:51:14,423 INFO L451 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: true [2018-11-23 12:51:14,423 INFO L448 ceAbstractionStarter]: For program point L791-2(lines 791 795) no Hoare annotation was computed. [2018-11-23 12:51:14,423 INFO L448 ceAbstractionStarter]: For program point L789-1(line 789) no Hoare annotation was computed. [2018-11-23 12:51:14,423 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 782 800) no Hoare annotation was computed. [2018-11-23 12:51:14,423 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 525 531) no Hoare annotation was computed. [2018-11-23 12:51:14,423 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 525 531) the Hoare annotation is: true [2018-11-23 12:51:14,423 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 905 914) 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 12:51:14,423 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 905 914) no Hoare annotation was computed. [2018-11-23 12:51:14,423 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 905 914) no Hoare annotation was computed. [2018-11-23 12:51:14,423 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 726 736) the Hoare annotation is: true [2018-11-23 12:51:14,423 INFO L451 ceAbstractionStarter]: At program point L731(line 731) the Hoare annotation is: true [2018-11-23 12:51:14,423 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 726 736) no Hoare annotation was computed. [2018-11-23 12:51:14,424 INFO L448 ceAbstractionStarter]: For program point L731-1(line 731) no Hoare annotation was computed. [2018-11-23 12:51:14,424 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 726 736) no Hoare annotation was computed. [2018-11-23 12:51:14,424 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 718 725) the Hoare annotation is: true [2018-11-23 12:51:14,424 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 718 725) no Hoare annotation was computed. [2018-11-23 12:51:14,424 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 718 725) no Hoare annotation was computed. [2018-11-23 12:51:14,424 INFO L444 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 12:51:14,424 INFO L448 ceAbstractionStarter]: For program point L704-1(lines 685 709) no Hoare annotation was computed. [2018-11-23 12:51:14,424 INFO L444 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 12:51:14,424 INFO L444 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 12:51:14,424 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 685 709) no Hoare annotation was computed. [2018-11-23 12:51:14,424 INFO L448 ceAbstractionStarter]: For program point L693(lines 693 701) no Hoare annotation was computed. [2018-11-23 12:51:14,424 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 685 709) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 12:51:14,432 INFO L444 ceAbstractionStarter]: At program point L691(line 691) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 12:51:14,433 INFO L448 ceAbstractionStarter]: For program point L691-1(line 691) no Hoare annotation was computed. [2018-11-23 12:51:14,433 INFO L448 ceAbstractionStarter]: For program point L689(lines 689 706) no Hoare annotation was computed. [2018-11-23 12:51:14,433 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 651 657) no Hoare annotation was computed. [2018-11-23 12:51:14,433 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 651 657) the Hoare annotation is: true [2018-11-23 12:51:14,433 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 552 617) 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 12:51:14,433 INFO L444 ceAbstractionStarter]: At program point L607(lines 562 609) 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 12:51:14,433 INFO L444 ceAbstractionStarter]: At program point L574(line 574) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (and (= ~systemActive~0 0) .cse0 .cse1) (and (= ~systemActive~0 1) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 12:51:14,433 INFO L448 ceAbstractionStarter]: For program point L572(lines 572 578) no Hoare annotation was computed. [2018-11-23 12:51:14,433 INFO L448 ceAbstractionStarter]: For program point L572-1(lines 572 578) no Hoare annotation was computed. [2018-11-23 12:51:14,434 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 552 617) no Hoare annotation was computed. [2018-11-23 12:51:14,434 INFO L448 ceAbstractionStarter]: For program point L564(lines 564 568) no Hoare annotation was computed. [2018-11-23 12:51:14,434 INFO L444 ceAbstractionStarter]: At program point L610(lines 561 611) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:51:14,434 INFO L444 ceAbstractionStarter]: At program point L600(line 600) 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 12:51:14,434 INFO L448 ceAbstractionStarter]: For program point L598(lines 598 604) no Hoare annotation was computed. [2018-11-23 12:51:14,434 INFO L444 ceAbstractionStarter]: At program point L598-1(lines 592 605) 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 12:51:14,434 INFO L448 ceAbstractionStarter]: For program point L563(lines 562 609) no Hoare annotation was computed. [2018-11-23 12:51:14,434 INFO L448 ceAbstractionStarter]: For program point L592(lines 592 605) no Hoare annotation was computed. [2018-11-23 12:51:14,434 INFO L444 ceAbstractionStarter]: At program point L584(line 584) 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 12:51:14,435 INFO L448 ceAbstractionStarter]: For program point L582(lines 582 588) no Hoare annotation was computed. [2018-11-23 12:51:14,435 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 582 588) no Hoare annotation was computed. [2018-11-23 12:51:14,435 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 552 617) no Hoare annotation was computed. [2018-11-23 12:51:14,435 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 501 509) no Hoare annotation was computed. [2018-11-23 12:51:14,435 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 501 509) the Hoare annotation is: true [2018-11-23 12:51:14,435 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 501 509) no Hoare annotation was computed. [2018-11-23 12:51:14,435 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:51:14,435 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-23 12:51:14,435 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:51:14,435 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 492 500) the Hoare annotation is: true [2018-11-23 12:51:14,435 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 492 500) no Hoare annotation was computed. [2018-11-23 12:51:14,435 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 492 500) no Hoare annotation was computed. [2018-11-23 12:51:14,436 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 448 459) the Hoare annotation is: true [2018-11-23 12:51:14,436 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 448 459) no Hoare annotation was computed. [2018-11-23 12:51:14,436 INFO L448 ceAbstractionStarter]: For program point L452-1(lines 448 459) no Hoare annotation was computed. [2018-11-23 12:51:14,436 INFO L448 ceAbstractionStarter]: For program point L865(line 865) no Hoare annotation was computed. [2018-11-23 12:51:14,436 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 844 873) no Hoare annotation was computed. [2018-11-23 12:51:14,436 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 844 873) the Hoare annotation is: true [2018-11-23 12:51:14,436 INFO L448 ceAbstractionStarter]: For program point L858(lines 858 862) no Hoare annotation was computed. [2018-11-23 12:51:14,436 INFO L451 ceAbstractionStarter]: At program point L858-1(lines 858 862) the Hoare annotation is: true [2018-11-23 12:51:14,436 INFO L448 ceAbstractionStarter]: For program point L855(line 855) no Hoare annotation was computed. [2018-11-23 12:51:14,436 INFO L451 ceAbstractionStarter]: At program point L854-2(lines 854 868) the Hoare annotation is: true [2018-11-23 12:51:14,436 INFO L451 ceAbstractionStarter]: At program point L850(line 850) the Hoare annotation is: true [2018-11-23 12:51:14,436 INFO L448 ceAbstractionStarter]: For program point L850-1(line 850) no Hoare annotation was computed. [2018-11-23 12:51:14,437 INFO L451 ceAbstractionStarter]: At program point L869(lines 844 873) the Hoare annotation is: true [2018-11-23 12:51:14,437 INFO L444 ceAbstractionStarter]: At program point L640(line 640) 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 12:51:14,437 INFO L444 ceAbstractionStarter]: At program point L638(lines 638 644) 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 12:51:14,437 INFO L444 ceAbstractionStarter]: At program point L633(line 633) 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 12:51:14,437 INFO L448 ceAbstractionStarter]: For program point L631(lines 630 649) no Hoare annotation was computed. [2018-11-23 12:51:14,437 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 627 650) 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 12:51:14,437 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 627 650) no Hoare annotation was computed. [2018-11-23 12:51:14,437 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 627 650) no Hoare annotation was computed. [2018-11-23 12:51:14,438 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 460 468) the Hoare annotation is: true [2018-11-23 12:51:14,438 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 460 468) no Hoare annotation was computed. [2018-11-23 12:51:14,438 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 460 468) no Hoare annotation was computed. [2018-11-23 12:51:14,438 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 424 435) the Hoare annotation is: true [2018-11-23 12:51:14,438 INFO L448 ceAbstractionStarter]: For program point L428-1(lines 424 435) no Hoare annotation was computed. [2018-11-23 12:51:14,438 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 424 435) no Hoare annotation was computed. [2018-11-23 12:51:14,438 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 898 904) no Hoare annotation was computed. [2018-11-23 12:51:14,438 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 898 904) the Hoare annotation is: true [2018-11-23 12:51:14,438 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:51:14,438 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 12:51:14,438 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:51:14,438 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:51:14,438 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 436 447) no Hoare annotation was computed. [2018-11-23 12:51:14,438 INFO L448 ceAbstractionStarter]: For program point L440-1(lines 436 447) no Hoare annotation was computed. [2018-11-23 12:51:14,439 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 436 447) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= ~waterLevel~0 1)) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 (= |old(~waterLevel~0)| 0)) .cse1 (not (= ~waterLevel~0 0))) (or .cse0 .cse2 .cse1 .cse3) (or .cse0 (not (= ~systemActive~0 0)) .cse2 .cse3))) [2018-11-23 12:51:14,439 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-23 12:51:14,439 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-23 12:51:14,439 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-23 12:51:14,439 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-23 12:51:14,439 INFO L444 ceAbstractionStarter]: At program point L673(line 673) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 12:51:14,439 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 659 683) no Hoare annotation was computed. [2018-11-23 12:51:14,439 INFO L444 ceAbstractionStarter]: At program point L669(line 669) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 12:51:14,439 INFO L448 ceAbstractionStarter]: For program point L667(lines 667 675) no Hoare annotation was computed. [2018-11-23 12:51:14,440 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 659 683) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 12:51:14,440 INFO L444 ceAbstractionStarter]: At program point L665(line 665) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 12:51:14,440 INFO L448 ceAbstractionStarter]: For program point L665-1(line 665) no Hoare annotation was computed. [2018-11-23 12:51:14,440 INFO L448 ceAbstractionStarter]: For program point L663(lines 663 680) no Hoare annotation was computed. [2018-11-23 12:51:14,440 INFO L444 ceAbstractionStarter]: At program point L678(line 678) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 12:51:14,440 INFO L448 ceAbstractionStarter]: For program point L678-1(lines 659 683) no Hoare annotation was computed. [2018-11-23 12:51:14,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:51:14 BoogieIcfgContainer [2018-11-23 12:51:14,453 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 12:51:14,453 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:51:14,453 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:51:14,454 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:51:14,454 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:51:09" (3/4) ... [2018-11-23 12:51:14,459 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:51:14,465 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 12:51:14,465 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 12:51:14,465 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-23 12:51:14,465 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 12:51:14,465 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 12:51:14,466 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 12:51:14,466 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 12:51:14,466 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 12:51:14,466 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 12:51:14,466 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 12:51:14,466 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 12:51:14,466 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 12:51:14,466 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 12:51:14,466 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 12:51:14,466 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 12:51:14,466 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 12:51:14,467 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 12:51:14,467 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 12:51:14,467 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 12:51:14,467 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 12:51:14,467 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 12:51:14,467 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 12:51:14,467 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 12:51:14,467 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 12:51:14,467 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 12:51:14,467 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 12:51:14,474 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-23 12:51:14,474 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 12:51:14,475 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 12:51:14,475 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 12:51:14,475 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 12:51:14,476 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:51:14,476 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:51:14,497 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 12:51:14,497 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-23 12:51:14,535 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c3372a34-c21e-4278-9161-69cd06892537/bin-2019/utaipan/witness.graphml [2018-11-23 12:51:14,536 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:51:14,536 INFO L168 Benchmark]: Toolchain (without parser) took 6276.32 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 264.2 MB). Free memory was 956.6 MB in the beginning and 967.9 MB in the end (delta: -11.3 MB). Peak memory consumption was 252.9 MB. Max. memory is 11.5 GB. [2018-11-23 12:51:14,537 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:51:14,538 INFO L168 Benchmark]: CACSL2BoogieTranslator took 399.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -168.7 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-23 12:51:14,538 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:51:14,538 INFO L168 Benchmark]: Boogie Preprocessor took 24.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:51:14,538 INFO L168 Benchmark]: RCFGBuilder took 411.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. [2018-11-23 12:51:14,539 INFO L168 Benchmark]: TraceAbstraction took 5332.17 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 130.5 MB). Free memory was 1.1 GB in the beginning and 975.5 MB in the end (delta: 92.4 MB). Peak memory consumption was 271.4 MB. Max. memory is 11.5 GB. [2018-11-23 12:51:14,539 INFO L168 Benchmark]: Witness Printer took 82.39 ms. Allocated memory is still 1.3 GB. Free memory was 975.5 MB in the beginning and 967.9 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:51:14,541 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 399.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -168.7 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 411.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5332.17 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 130.5 MB). Free memory was 1.1 GB in the beginning and 975.5 MB in the end (delta: 92.4 MB). Peak memory consumption was 271.4 MB. Max. memory is 11.5 GB. * Witness Printer took 82.39 ms. Allocated memory is still 1.3 GB. Free memory was 975.5 MB in the beginning and 967.9 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 562]: 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: 561]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 141 locations, 1 error locations. SAFE Result, 5.2s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 2.5s AutomataDifference, 0.0s DeadEndRemovalTime, 1.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 839 SDtfs, 797 SDslu, 2388 SDs, 0 SdLazy, 611 SolverSat, 184 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 149 GetRequests, 97 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 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, 0.4s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9965734852775436 AbsIntWeakeningRatio, 1.0804597701149425 AbsIntAvgWeakeningVarsNumRemoved, 85.52873563218391 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 32 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 767 PreInvPairs, 806 NumberOfFragments, 865 HoareAnnotationTreeSize, 767 FomulaSimplifications, 1396 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 60 FomulaSimplificationsInter, 2907 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s 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...