./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product22_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_846b6c5f-d000-4dd9-bded-c2c1514bab21/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_846b6c5f-d000-4dd9-bded-c2c1514bab21/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_846b6c5f-d000-4dd9-bded-c2c1514bab21/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_846b6c5f-d000-4dd9-bded-c2c1514bab21/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product22_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_846b6c5f-d000-4dd9-bded-c2c1514bab21/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_846b6c5f-d000-4dd9-bded-c2c1514bab21/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 9f020a8b33a45c119887964f9008d96e4dba4f1a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 16:22:06,793 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 16:22:06,794 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 16:22:06,800 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 16:22:06,800 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 16:22:06,801 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 16:22:06,801 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 16:22:06,803 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 16:22:06,804 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 16:22:06,804 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 16:22:06,805 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 16:22:06,805 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 16:22:06,806 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 16:22:06,807 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 16:22:06,808 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 16:22:06,808 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 16:22:06,809 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 16:22:06,810 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 16:22:06,812 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 16:22:06,813 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 16:22:06,814 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 16:22:06,815 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 16:22:06,816 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 16:22:06,816 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 16:22:06,817 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 16:22:06,817 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 16:22:06,818 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 16:22:06,819 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 16:22:06,819 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 16:22:06,820 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 16:22:06,820 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 16:22:06,821 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 16:22:06,821 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 16:22:06,821 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 16:22:06,822 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 16:22:06,822 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 16:22:06,822 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_846b6c5f-d000-4dd9-bded-c2c1514bab21/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 16:22:06,829 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 16:22:06,830 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 16:22:06,830 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 16:22:06,830 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 16:22:06,830 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 16:22:06,831 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 16:22:06,831 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 16:22:06,831 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 16:22:06,831 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 16:22:06,831 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 16:22:06,831 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 16:22:06,831 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 16:22:06,832 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 16:22:06,832 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 16:22:06,832 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 16:22:06,832 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 16:22:06,833 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 16:22:06,833 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 16:22:06,833 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 16:22:06,833 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 16:22:06,833 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 16:22:06,833 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 16:22:06,834 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 16:22:06,834 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 16:22:06,834 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 16:22:06,834 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 16:22:06,834 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 16:22:06,834 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 16:22:06,834 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 16:22:06,835 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 16:22:06,835 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 16:22:06,835 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 16:22:06,835 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 16:22:06,835 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 16:22:06,835 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 16:22:06,835 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 16:22:06,836 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_846b6c5f-d000-4dd9-bded-c2c1514bab21/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 -> 9f020a8b33a45c119887964f9008d96e4dba4f1a [2018-12-09 16:22:06,858 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 16:22:06,865 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 16:22:06,867 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 16:22:06,868 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 16:22:06,868 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 16:22:06,869 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_846b6c5f-d000-4dd9-bded-c2c1514bab21/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product22_true-unreach-call_false-termination.cil.c [2018-12-09 16:22:06,905 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_846b6c5f-d000-4dd9-bded-c2c1514bab21/bin-2019/utaipan/data/15ec7b166/e71eda8e7e194b82b6992139cb3eb123/FLAGd173fd310 [2018-12-09 16:22:07,323 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 16:22:07,324 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_846b6c5f-d000-4dd9-bded-c2c1514bab21/sv-benchmarks/c/product-lines/minepump_spec5_product22_true-unreach-call_false-termination.cil.c [2018-12-09 16:22:07,330 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_846b6c5f-d000-4dd9-bded-c2c1514bab21/bin-2019/utaipan/data/15ec7b166/e71eda8e7e194b82b6992139cb3eb123/FLAGd173fd310 [2018-12-09 16:22:07,338 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_846b6c5f-d000-4dd9-bded-c2c1514bab21/bin-2019/utaipan/data/15ec7b166/e71eda8e7e194b82b6992139cb3eb123 [2018-12-09 16:22:07,340 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 16:22:07,341 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 16:22:07,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 16:22:07,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 16:22:07,343 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 16:22:07,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:22:07" (1/1) ... [2018-12-09 16:22:07,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:07, skipping insertion in model container [2018-12-09 16:22:07,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:22:07" (1/1) ... [2018-12-09 16:22:07,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 16:22:07,371 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 16:22:07,520 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:22:07,561 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 16:22:07,614 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:22:07,632 INFO L195 MainTranslator]: Completed translation [2018-12-09 16:22:07,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:07 WrapperNode [2018-12-09 16:22:07,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 16:22:07,633 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 16:22:07,633 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 16:22:07,633 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 16:22:07,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:07" (1/1) ... [2018-12-09 16:22:07,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:07" (1/1) ... [2018-12-09 16:22:07,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 16:22:07,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 16:22:07,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 16:22:07,662 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 16:22:07,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:07" (1/1) ... [2018-12-09 16:22:07,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:07" (1/1) ... [2018-12-09 16:22:07,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:07" (1/1) ... [2018-12-09 16:22:07,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:07" (1/1) ... [2018-12-09 16:22:07,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:07" (1/1) ... [2018-12-09 16:22:07,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:07" (1/1) ... [2018-12-09 16:22:07,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:07" (1/1) ... [2018-12-09 16:22:07,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 16:22:07,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 16:22:07,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 16:22:07,693 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 16:22:07,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_846b6c5f-d000-4dd9-bded-c2c1514bab21/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 [2018-12-09 16:22:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 16:22:07,729 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 16:22:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 16:22:07,729 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 16:22:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 16:22:07,730 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 16:22:07,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 16:22:07,730 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 16:22:07,730 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 16:22:07,730 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 16:22:07,730 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 16:22:07,730 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 16:22:07,730 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 16:22:07,730 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 16:22:07,730 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 16:22:07,730 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 16:22:07,730 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 16:22:07,730 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 16:22:07,730 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 16:22:07,730 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 16:22:07,731 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 16:22:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 16:22:07,731 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 16:22:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 16:22:07,731 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 16:22:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 16:22:07,731 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 16:22:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 16:22:07,731 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 16:22:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 16:22:07,731 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 16:22:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 16:22:07,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 16:22:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 16:22:07,731 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 16:22:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 16:22:07,732 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 16:22:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-12-09 16:22:07,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-12-09 16:22:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-12-09 16:22:07,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-12-09 16:22:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-12-09 16:22:07,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-12-09 16:22:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 16:22:07,732 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 16:22:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 16:22:07,732 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 16:22:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 16:22:07,732 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 16:22:07,733 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 16:22:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 16:22:07,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 16:22:07,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 16:22:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 16:22:07,733 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 16:22:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 16:22:07,733 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 16:22:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 16:22:07,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 16:22:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 16:22:08,013 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 16:22:08,013 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 16:22:08,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:22:08 BoogieIcfgContainer [2018-12-09 16:22:08,014 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 16:22:08,014 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 16:22:08,014 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 16:22:08,016 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 16:22:08,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:22:07" (1/3) ... [2018-12-09 16:22:08,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e0e8b5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:22:08, skipping insertion in model container [2018-12-09 16:22:08,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:07" (2/3) ... [2018-12-09 16:22:08,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e0e8b5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:22:08, skipping insertion in model container [2018-12-09 16:22:08,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:22:08" (3/3) ... [2018-12-09 16:22:08,018 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product22_true-unreach-call_false-termination.cil.c [2018-12-09 16:22:08,024 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 16:22:08,030 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 16:22:08,039 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 16:22:08,058 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 16:22:08,058 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 16:22:08,058 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 16:22:08,058 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 16:22:08,058 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 16:22:08,058 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 16:22:08,058 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 16:22:08,058 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 16:22:08,070 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-12-09 16:22:08,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 16:22:08,075 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:22:08,076 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:22:08,077 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:22:08,080 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:22:08,081 INFO L82 PathProgramCache]: Analyzing trace with hash -2005481298, now seen corresponding path program 1 times [2018-12-09 16:22:08,082 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:22:08,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:22:08,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:22:08,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:22:08,110 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:22:08,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:22:08,223 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 16:22:08,224 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:22:08,224 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 16:22:08,224 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:22:08,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 16:22:08,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 16:22:08,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 16:22:08,237 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 2 states. [2018-12-09 16:22:08,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:22:08,259 INFO L93 Difference]: Finished difference Result 268 states and 331 transitions. [2018-12-09 16:22:08,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 16:22:08,260 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-12-09 16:22:08,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:22:08,267 INFO L225 Difference]: With dead ends: 268 [2018-12-09 16:22:08,267 INFO L226 Difference]: Without dead ends: 136 [2018-12-09 16:22:08,269 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 [2018-12-09 16:22:08,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-12-09 16:22:08,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-12-09 16:22:08,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-12-09 16:22:08,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 159 transitions. [2018-12-09 16:22:08,300 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 159 transitions. Word has length 59 [2018-12-09 16:22:08,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:22:08,301 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 159 transitions. [2018-12-09 16:22:08,301 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 16:22:08,301 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 159 transitions. [2018-12-09 16:22:08,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 16:22:08,303 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:22:08,303 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:22:08,303 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:22:08,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:22:08,303 INFO L82 PathProgramCache]: Analyzing trace with hash 751187188, now seen corresponding path program 1 times [2018-12-09 16:22:08,303 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:22:08,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:22:08,304 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:22:08,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:22:08,304 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:22:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:22:08,360 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 16:22:08,361 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:22:08,361 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 16:22:08,361 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:22:08,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 16:22:08,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 16:22:08,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 16:22:08,362 INFO L87 Difference]: Start difference. First operand 136 states and 159 transitions. Second operand 3 states. [2018-12-09 16:22:08,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:22:08,379 INFO L93 Difference]: Finished difference Result 213 states and 249 transitions. [2018-12-09 16:22:08,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 16:22:08,379 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-12-09 16:22:08,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:22:08,381 INFO L225 Difference]: With dead ends: 213 [2018-12-09 16:22:08,381 INFO L226 Difference]: Without dead ends: 127 [2018-12-09 16:22:08,382 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 [2018-12-09 16:22:08,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-12-09 16:22:08,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-12-09 16:22:08,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-12-09 16:22:08,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 147 transitions. [2018-12-09 16:22:08,392 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 147 transitions. Word has length 60 [2018-12-09 16:22:08,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:22:08,393 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 147 transitions. [2018-12-09 16:22:08,393 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 16:22:08,393 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 147 transitions. [2018-12-09 16:22:08,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 16:22:08,394 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:22:08,395 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:22:08,395 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:22:08,395 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:22:08,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1089376608, now seen corresponding path program 1 times [2018-12-09 16:22:08,395 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:22:08,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:22:08,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:22:08,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:22:08,396 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:22:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:22:08,479 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 16:22:08,480 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:22:08,480 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 16:22:08,480 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:22:08,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 16:22:08,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 16:22:08,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 16:22:08,481 INFO L87 Difference]: Start difference. First operand 127 states and 147 transitions. Second operand 7 states. [2018-12-09 16:22:08,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:22:08,631 INFO L93 Difference]: Finished difference Result 226 states and 267 transitions. [2018-12-09 16:22:08,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 16:22:08,631 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-12-09 16:22:08,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:22:08,632 INFO L225 Difference]: With dead ends: 226 [2018-12-09 16:22:08,632 INFO L226 Difference]: Without dead ends: 127 [2018-12-09 16:22:08,633 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 [2018-12-09 16:22:08,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-12-09 16:22:08,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-12-09 16:22:08,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-12-09 16:22:08,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 146 transitions. [2018-12-09 16:22:08,640 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 146 transitions. Word has length 65 [2018-12-09 16:22:08,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:22:08,641 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 146 transitions. [2018-12-09 16:22:08,641 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 16:22:08,642 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 146 transitions. [2018-12-09 16:22:08,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-09 16:22:08,643 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:22:08,643 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:22:08,643 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:22:08,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:22:08,643 INFO L82 PathProgramCache]: Analyzing trace with hash -1168664273, now seen corresponding path program 1 times [2018-12-09 16:22:08,644 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:22:08,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:22:08,644 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:22:08,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:22:08,644 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:22:08,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:22:08,721 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 16:22:08,721 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:22:08,721 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 16:22:08,721 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:22:08,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 16:22:08,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 16:22:08,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 16:22:08,722 INFO L87 Difference]: Start difference. First operand 127 states and 146 transitions. Second operand 7 states. [2018-12-09 16:22:08,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:22:08,895 INFO L93 Difference]: Finished difference Result 189 states and 224 transitions. [2018-12-09 16:22:08,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 16:22:08,896 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 78 [2018-12-09 16:22:08,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:22:08,896 INFO L225 Difference]: With dead ends: 189 [2018-12-09 16:22:08,896 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 16:22:08,897 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-12-09 16:22:08,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 16:22:08,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 16:22:08,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 16:22:08,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 16:22:08,898 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2018-12-09 16:22:08,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:22:08,898 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 16:22:08,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 16:22:08,898 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 16:22:08,898 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 16:22:08,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 16:22:09,257 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-12-09 16:22:09,257 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-12-09 16:22:09,257 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-12-09 16:22:09,257 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-12-09 16:22:09,258 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-12-09 16:22:09,258 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 282 289) the Hoare annotation is: true [2018-12-09 16:22:09,258 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 282 289) no Hoare annotation was computed. [2018-12-09 16:22:09,258 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 282 289) no Hoare annotation was computed. [2018-12-09 16:22:09,258 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 290 299) the Hoare annotation is: true [2018-12-09 16:22:09,258 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 290 299) no Hoare annotation was computed. [2018-12-09 16:22:09,258 INFO L448 ceAbstractionStarter]: For program point L295(line 295) no Hoare annotation was computed. [2018-12-09 16:22:09,258 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 290 299) no Hoare annotation was computed. [2018-12-09 16:22:09,258 INFO L444 ceAbstractionStarter]: At program point L315(line 315) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-12-09 16:22:09,258 INFO L448 ceAbstractionStarter]: For program point L313(lines 313 319) no Hoare annotation was computed. [2018-12-09 16:22:09,258 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 322) no Hoare annotation was computed. [2018-12-09 16:22:09,258 INFO L451 ceAbstractionStarter]: At program point L310(line 310) the Hoare annotation is: true [2018-12-09 16:22:09,258 INFO L448 ceAbstractionStarter]: For program point L310-1(line 310) no Hoare annotation was computed. [2018-12-09 16:22:09,258 INFO L448 ceAbstractionStarter]: For program point L308(lines 308 325) no Hoare annotation was computed. [2018-12-09 16:22:09,258 INFO L448 ceAbstractionStarter]: For program point L308-1(lines 300 328) no Hoare annotation was computed. [2018-12-09 16:22:09,259 INFO L451 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: true [2018-12-09 16:22:09,259 INFO L448 ceAbstractionStarter]: For program point L306-1(line 306) no Hoare annotation was computed. [2018-12-09 16:22:09,259 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 300 328) the Hoare annotation is: true [2018-12-09 16:22:09,259 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 300 328) no Hoare annotation was computed. [2018-12-09 16:22:09,259 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-09 16:22:09,259 INFO L444 ceAbstractionStarter]: At program point L480(line 480) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-09 16:22:09,259 INFO L444 ceAbstractionStarter]: At program point L479(line 479) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-09 16:22:09,259 INFO L444 ceAbstractionStarter]: At program point L479-1(line 479) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-09 16:22:09,259 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 473 495) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-09 16:22:09,259 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 473 495) no Hoare annotation was computed. [2018-12-09 16:22:09,259 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 473 495) no Hoare annotation was computed. [2018-12-09 16:22:09,259 INFO L444 ceAbstractionStarter]: At program point L485(line 485) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= main_~tmp~5 ~systemActive~0) (= ~systemActive~0 1))) [2018-12-09 16:22:09,259 INFO L444 ceAbstractionStarter]: At program point L485-1(line 485) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= main_~tmp~5 ~systemActive~0) (= ~systemActive~0 1))) [2018-12-09 16:22:09,259 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 490) no Hoare annotation was computed. [2018-12-09 16:22:09,260 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 483 490) no Hoare annotation was computed. [2018-12-09 16:22:09,260 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 206 214) no Hoare annotation was computed. [2018-12-09 16:22:09,260 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 206 214) the Hoare annotation is: true [2018-12-09 16:22:09,260 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 206 214) no Hoare annotation was computed. [2018-12-09 16:22:09,260 INFO L448 ceAbstractionStarter]: For program point L258-1(line 258) no Hoare annotation was computed. [2018-12-09 16:22:09,260 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 251 269) the Hoare annotation is: true [2018-12-09 16:22:09,260 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 251 269) no Hoare annotation was computed. [2018-12-09 16:22:09,260 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 264) no Hoare annotation was computed. [2018-12-09 16:22:09,260 INFO L451 ceAbstractionStarter]: At program point L258(line 258) the Hoare annotation is: true [2018-12-09 16:22:09,260 INFO L448 ceAbstractionStarter]: For program point L260-2(lines 260 264) no Hoare annotation was computed. [2018-12-09 16:22:09,260 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 251 269) no Hoare annotation was computed. [2018-12-09 16:22:09,260 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-12-09 16:22:09,260 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-12-09 16:22:09,260 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 462 472) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-09 16:22:09,260 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 462 472) no Hoare annotation was computed. [2018-12-09 16:22:09,260 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 462 472) no Hoare annotation was computed. [2018-12-09 16:22:09,260 INFO L444 ceAbstractionStarter]: At program point L467(line 467) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-09 16:22:09,260 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 195 205) the Hoare annotation is: true [2018-12-09 16:22:09,261 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 195 205) no Hoare annotation was computed. [2018-12-09 16:22:09,261 INFO L451 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: true [2018-12-09 16:22:09,261 INFO L448 ceAbstractionStarter]: For program point L200-1(line 200) no Hoare annotation was computed. [2018-12-09 16:22:09,261 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 195 205) no Hoare annotation was computed. [2018-12-09 16:22:09,261 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 187 194) the Hoare annotation is: true [2018-12-09 16:22:09,261 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 187 194) no Hoare annotation was computed. [2018-12-09 16:22:09,261 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 187 194) no Hoare annotation was computed. [2018-12-09 16:22:09,261 INFO L444 ceAbstractionStarter]: At program point L160(line 160) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 16:22:09,261 INFO L448 ceAbstractionStarter]: For program point L160-1(line 160) no Hoare annotation was computed. [2018-12-09 16:22:09,261 INFO L448 ceAbstractionStarter]: For program point L158(lines 158 175) no Hoare annotation was computed. [2018-12-09 16:22:09,261 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 154 178) no Hoare annotation was computed. [2018-12-09 16:22:09,261 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 154 178) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 16:22:09,261 INFO L444 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 16:22:09,261 INFO L448 ceAbstractionStarter]: For program point L173-1(lines 154 178) no Hoare annotation was computed. [2018-12-09 16:22:09,261 INFO L444 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 16:22:09,261 INFO L444 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 16:22:09,261 INFO L448 ceAbstractionStarter]: For program point L162(lines 162 170) no Hoare annotation was computed. [2018-12-09 16:22:09,261 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 120 126) no Hoare annotation was computed. [2018-12-09 16:22:09,262 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 120 126) the Hoare annotation is: true [2018-12-09 16:22:09,262 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 359) no Hoare annotation was computed. [2018-12-09 16:22:09,262 INFO L448 ceAbstractionStarter]: For program point L353-1(lines 353 359) no Hoare annotation was computed. [2018-12-09 16:22:09,262 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 333 398) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-09 16:22:09,262 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 349) no Hoare annotation was computed. [2018-12-09 16:22:09,262 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 333 398) no Hoare annotation was computed. [2018-12-09 16:22:09,262 INFO L444 ceAbstractionStarter]: At program point L391(lines 342 392) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-12-09 16:22:09,262 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 385) no Hoare annotation was computed. [2018-12-09 16:22:09,262 INFO L444 ceAbstractionStarter]: At program point L381-2(lines 373 386) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-12-09 16:22:09,262 INFO L448 ceAbstractionStarter]: For program point L344(lines 343 390) no Hoare annotation was computed. [2018-12-09 16:22:09,262 INFO L444 ceAbstractionStarter]: At program point L375(line 375) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-12-09 16:22:09,262 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 386) no Hoare annotation was computed. [2018-12-09 16:22:09,262 INFO L444 ceAbstractionStarter]: At program point L365(line 365) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-12-09 16:22:09,262 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 369) no Hoare annotation was computed. [2018-12-09 16:22:09,263 INFO L448 ceAbstractionStarter]: For program point L363-1(lines 363 369) no Hoare annotation was computed. [2018-12-09 16:22:09,263 INFO L444 ceAbstractionStarter]: At program point L388(lines 343 390) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-12-09 16:22:09,263 INFO L444 ceAbstractionStarter]: At program point L355(line 355) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-12-09 16:22:09,263 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 333 398) no Hoare annotation was computed. [2018-12-09 16:22:09,263 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 942 950) no Hoare annotation was computed. [2018-12-09 16:22:09,263 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 942 950) the Hoare annotation is: true [2018-12-09 16:22:09,263 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 942 950) no Hoare annotation was computed. [2018-12-09 16:22:09,263 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 16:22:09,263 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-12-09 16:22:09,263 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 16:22:09,263 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 933 941) the Hoare annotation is: true [2018-12-09 16:22:09,263 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 933 941) no Hoare annotation was computed. [2018-12-09 16:22:09,263 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 933 941) no Hoare annotation was computed. [2018-12-09 16:22:09,263 INFO L448 ceAbstractionStarter]: For program point L893-1(lines 889 900) no Hoare annotation was computed. [2018-12-09 16:22:09,264 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 889 900) the Hoare annotation is: true [2018-12-09 16:22:09,264 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 889 900) no Hoare annotation was computed. [2018-12-09 16:22:09,264 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 401 430) no Hoare annotation was computed. [2018-12-09 16:22:09,264 INFO L448 ceAbstractionStarter]: For program point L415(lines 415 419) no Hoare annotation was computed. [2018-12-09 16:22:09,264 INFO L451 ceAbstractionStarter]: At program point L415-1(lines 415 419) the Hoare annotation is: true [2018-12-09 16:22:09,264 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 401 430) the Hoare annotation is: true [2018-12-09 16:22:09,264 INFO L448 ceAbstractionStarter]: For program point L412(line 412) no Hoare annotation was computed. [2018-12-09 16:22:09,264 INFO L451 ceAbstractionStarter]: At program point L411-2(lines 411 425) the Hoare annotation is: true [2018-12-09 16:22:09,264 INFO L451 ceAbstractionStarter]: At program point L407(line 407) the Hoare annotation is: true [2018-12-09 16:22:09,264 INFO L448 ceAbstractionStarter]: For program point L407-1(line 407) no Hoare annotation was computed. [2018-12-09 16:22:09,264 INFO L451 ceAbstractionStarter]: At program point L426(lines 401 430) the Hoare annotation is: true [2018-12-09 16:22:09,264 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-09 16:22:09,264 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 901 909) the Hoare annotation is: true [2018-12-09 16:22:09,264 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 901 909) no Hoare annotation was computed. [2018-12-09 16:22:09,264 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 901 909) no Hoare annotation was computed. [2018-12-09 16:22:09,264 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 93 119) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 16:22:09,264 INFO L444 ceAbstractionStarter]: At program point L109(line 109) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 16:22:09,264 INFO L444 ceAbstractionStarter]: At program point L107(lines 107 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 16:22:09,265 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 93 119) no Hoare annotation was computed. [2018-12-09 16:22:09,265 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 93 119) no Hoare annotation was computed. [2018-12-09 16:22:09,265 INFO L444 ceAbstractionStarter]: At program point L102(line 102) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 16:22:09,265 INFO L448 ceAbstractionStarter]: For program point L100(lines 96 118) no Hoare annotation was computed. [2018-12-09 16:22:09,265 INFO L448 ceAbstractionStarter]: For program point L98(lines 96 118) no Hoare annotation was computed. [2018-12-09 16:22:09,265 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 865 876) the Hoare annotation is: true [2018-12-09 16:22:09,265 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 865 876) no Hoare annotation was computed. [2018-12-09 16:22:09,265 INFO L448 ceAbstractionStarter]: For program point L869-1(lines 865 876) no Hoare annotation was computed. [2018-12-09 16:22:09,265 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 455 461) no Hoare annotation was computed. [2018-12-09 16:22:09,265 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 455 461) the Hoare annotation is: true [2018-12-09 16:22:09,265 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 16:22:09,265 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-12-09 16:22:09,265 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 16:22:09,265 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 16:22:09,265 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 270 277) no Hoare annotation was computed. [2018-12-09 16:22:09,265 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 270 277) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))) [2018-12-09 16:22:09,265 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 270 277) no Hoare annotation was computed. [2018-12-09 16:22:09,265 INFO L448 ceAbstractionStarter]: For program point L881-1(lines 877 888) no Hoare annotation was computed. [2018-12-09 16:22:09,265 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 877 888) no Hoare annotation was computed. [2018-12-09 16:22:09,266 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 877 888) the Hoare annotation is: true [2018-12-09 16:22:09,266 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 952 959) no Hoare annotation was computed. [2018-12-09 16:22:09,266 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 952 959) the Hoare annotation is: true [2018-12-09 16:22:09,266 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 956) no Hoare annotation was computed. [2018-12-09 16:22:09,266 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 952 959) no Hoare annotation was computed. [2018-12-09 16:22:09,266 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 128 152) no Hoare annotation was computed. [2018-12-09 16:22:09,266 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 128 152) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 16:22:09,266 INFO L444 ceAbstractionStarter]: At program point L147(line 147) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 16:22:09,266 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 128 152) no Hoare annotation was computed. [2018-12-09 16:22:09,266 INFO L444 ceAbstractionStarter]: At program point L142(line 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 16:22:09,266 INFO L444 ceAbstractionStarter]: At program point L138(line 138) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 16:22:09,266 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 144) no Hoare annotation was computed. [2018-12-09 16:22:09,266 INFO L444 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 16:22:09,266 INFO L448 ceAbstractionStarter]: For program point L134-1(line 134) no Hoare annotation was computed. [2018-12-09 16:22:09,266 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 149) no Hoare annotation was computed. [2018-12-09 16:22:09,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 04:22:09 BoogieIcfgContainer [2018-12-09 16:22:09,274 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 16:22:09,274 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 16:22:09,274 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 16:22:09,274 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 16:22:09,274 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:22:08" (3/4) ... [2018-12-09 16:22:09,277 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 16:22:09,282 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 16:22:09,282 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 16:22:09,282 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-12-09 16:22:09,282 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-12-09 16:22:09,282 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-12-09 16:22:09,282 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 16:22:09,282 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 16:22:09,282 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 16:22:09,282 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 16:22:09,282 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 16:22:09,282 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 16:22:09,282 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 16:22:09,282 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 16:22:09,282 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 16:22:09,282 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 16:22:09,282 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 16:22:09,282 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 16:22:09,283 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-09 16:22:09,283 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 16:22:09,283 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 16:22:09,283 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 16:22:09,283 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 16:22:09,283 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 16:22:09,283 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 16:22:09,283 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 16:22:09,283 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 16:22:09,283 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 16:22:09,283 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 16:22:09,288 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-09 16:22:09,288 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 16:22:09,289 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 16:22:09,289 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 16:22:09,289 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 16:22:09,289 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 16:22:09,307 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || ((0 == pumpRunning && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1) [2018-12-09 16:22:09,307 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) [2018-12-09 16:22:09,330 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_846b6c5f-d000-4dd9-bded-c2c1514bab21/bin-2019/utaipan/witness.graphml [2018-12-09 16:22:09,330 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 16:22:09,330 INFO L168 Benchmark]: Toolchain (without parser) took 1990.08 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 225.4 MB). Free memory was 953.5 MB in the beginning and 1.2 GB in the end (delta: -240.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 16:22:09,331 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 16:22:09,331 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -180.0 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2018-12-09 16:22:09,332 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 16:22:09,332 INFO L168 Benchmark]: Boogie Preprocessor took 30.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 16:22:09,332 INFO L168 Benchmark]: RCFGBuilder took 320.82 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: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. [2018-12-09 16:22:09,332 INFO L168 Benchmark]: TraceAbstraction took 1259.44 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 76.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -121.3 MB). Peak memory consumption was 272.6 MB. Max. memory is 11.5 GB. [2018-12-09 16:22:09,332 INFO L168 Benchmark]: Witness Printer took 55.94 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. [2018-12-09 16:22:09,333 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 291.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -180.0 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 320.82 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: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1259.44 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 76.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -121.3 MB). Peak memory consumption was 272.6 MB. Max. memory is 11.5 GB. * Witness Printer took 55.94 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 956]: 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: 342]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || ((0 == pumpRunning && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 149 locations, 1 error locations. SAFE Result, 1.2s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 533 SDtfs, 234 SDslu, 559 SDs, 0 SdLazy, 325 SolverSat, 73 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=149occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 236 PreInvPairs, 244 NumberOfFragments, 461 HoareAnnotationTreeSize, 236 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 62 FomulaSimplificationsInter, 350 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 29362 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...