./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product29_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_90263938-272a-4d34-8d63-7c428fb2fe78/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_90263938-272a-4d34-8d63-7c428fb2fe78/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_90263938-272a-4d34-8d63-7c428fb2fe78/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_90263938-272a-4d34-8d63-7c428fb2fe78/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product29_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_90263938-272a-4d34-8d63-7c428fb2fe78/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_90263938-272a-4d34-8d63-7c428fb2fe78/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 d733dbb906adb6defb82ddd5acbd52a79b17963e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 22:17:30,128 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 22:17:30,130 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 22:17:30,137 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 22:17:30,138 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 22:17:30,138 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 22:17:30,139 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 22:17:30,140 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 22:17:30,140 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 22:17:30,141 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 22:17:30,142 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 22:17:30,142 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 22:17:30,142 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 22:17:30,143 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 22:17:30,144 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 22:17:30,145 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 22:17:30,145 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 22:17:30,146 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 22:17:30,148 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 22:17:30,149 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 22:17:30,149 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 22:17:30,150 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 22:17:30,151 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 22:17:30,151 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 22:17:30,151 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 22:17:30,152 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 22:17:30,152 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 22:17:30,153 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 22:17:30,153 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 22:17:30,154 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 22:17:30,154 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 22:17:30,155 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 22:17:30,155 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 22:17:30,155 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 22:17:30,156 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 22:17:30,157 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 22:17:30,157 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_90263938-272a-4d34-8d63-7c428fb2fe78/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-22 22:17:30,167 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 22:17:30,168 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 22:17:30,168 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 22:17:30,168 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 22:17:30,168 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 22:17:30,169 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 22:17:30,169 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 22:17:30,169 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-22 22:17:30,169 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 22:17:30,169 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 22:17:30,169 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-22 22:17:30,169 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-22 22:17:30,169 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 22:17:30,170 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 22:17:30,170 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 22:17:30,170 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 22:17:30,170 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 22:17:30,170 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 22:17:30,171 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 22:17:30,171 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 22:17:30,171 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 22:17:30,171 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 22:17:30,171 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 22:17:30,171 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 22:17:30,171 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 22:17:30,172 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 22:17:30,172 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 22:17:30,172 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 22:17:30,172 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 22:17:30,172 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 22:17:30,172 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 22:17:30,172 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 22:17:30,172 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 22:17:30,173 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-22 22:17:30,173 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 22:17:30,173 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 22:17:30,173 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-22 22:17:30,173 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_90263938-272a-4d34-8d63-7c428fb2fe78/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 -> d733dbb906adb6defb82ddd5acbd52a79b17963e [2018-11-22 22:17:30,195 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 22:17:30,204 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 22:17:30,206 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 22:17:30,207 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 22:17:30,207 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 22:17:30,207 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_90263938-272a-4d34-8d63-7c428fb2fe78/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product29_true-unreach-call_false-termination.cil.c [2018-11-22 22:17:30,244 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_90263938-272a-4d34-8d63-7c428fb2fe78/bin-2019/utaipan/data/e01885e25/cc4ce51923fe4baaa5cd5f5970dcede5/FLAG699fcf683 [2018-11-22 22:17:30,672 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 22:17:30,672 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_90263938-272a-4d34-8d63-7c428fb2fe78/sv-benchmarks/c/product-lines/minepump_spec4_product29_true-unreach-call_false-termination.cil.c [2018-11-22 22:17:30,679 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_90263938-272a-4d34-8d63-7c428fb2fe78/bin-2019/utaipan/data/e01885e25/cc4ce51923fe4baaa5cd5f5970dcede5/FLAG699fcf683 [2018-11-22 22:17:30,688 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_90263938-272a-4d34-8d63-7c428fb2fe78/bin-2019/utaipan/data/e01885e25/cc4ce51923fe4baaa5cd5f5970dcede5 [2018-11-22 22:17:30,689 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 22:17:30,690 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 22:17:30,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 22:17:30,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 22:17:30,694 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 22:17:30,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:17:30" (1/1) ... [2018-11-22 22:17:30,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f50e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:17:30, skipping insertion in model container [2018-11-22 22:17:30,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:17:30" (1/1) ... [2018-11-22 22:17:30,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 22:17:30,732 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 22:17:30,910 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:17:30,919 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 22:17:31,010 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:17:31,031 INFO L195 MainTranslator]: Completed translation [2018-11-22 22:17:31,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:17:31 WrapperNode [2018-11-22 22:17:31,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 22:17:31,032 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 22:17:31,032 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 22:17:31,032 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 22:17:31,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:17:31" (1/1) ... [2018-11-22 22:17:31,053 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:17:31" (1/1) ... [2018-11-22 22:17:31,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 22:17:31,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 22:17:31,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 22:17:31,061 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 22:17:31,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:17:31" (1/1) ... [2018-11-22 22:17:31,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:17:31" (1/1) ... [2018-11-22 22:17:31,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:17:31" (1/1) ... [2018-11-22 22:17:31,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:17:31" (1/1) ... [2018-11-22 22:17:31,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:17:31" (1/1) ... [2018-11-22 22:17:31,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:17:31" (1/1) ... [2018-11-22 22:17:31,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:17:31" (1/1) ... [2018-11-22 22:17:31,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 22:17:31,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 22:17:31,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 22:17:31,091 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 22:17:31,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:17:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90263938-272a-4d34-8d63-7c428fb2fe78/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 [2018-11-22 22:17:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-22 22:17:31,135 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-22 22:17:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-22 22:17:31,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-22 22:17:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 22:17:31,135 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 22:17:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-22 22:17:31,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-22 22:17:31,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 22:17:31,136 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-22 22:17:31,136 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-22 22:17:31,136 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-22 22:17:31,136 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-22 22:17:31,136 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-22 22:17:31,136 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-22 22:17:31,136 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-22 22:17:31,136 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-22 22:17:31,137 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-22 22:17:31,137 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-22 22:17:31,137 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-22 22:17:31,137 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-22 22:17:31,137 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-22 22:17:31,137 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-22 22:17:31,137 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-22 22:17:31,137 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-22 22:17:31,137 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-22 22:17:31,137 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-22 22:17:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-22 22:17:31,138 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-22 22:17:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-22 22:17:31,138 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-22 22:17:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-22 22:17:31,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-22 22:17:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-22 22:17:31,138 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-22 22:17:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-22 22:17:31,138 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-22 22:17:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-22 22:17:31,139 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-22 22:17:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-22 22:17:31,139 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-22 22:17:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-22 22:17:31,139 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-22 22:17:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-22 22:17:31,139 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-22 22:17:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-22 22:17:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 22:17:31,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 22:17:31,140 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-22 22:17:31,140 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-22 22:17:31,140 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-22 22:17:31,140 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-22 22:17:31,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 22:17:31,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 22:17:31,595 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 22:17:31,596 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-22 22:17:31,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:17:31 BoogieIcfgContainer [2018-11-22 22:17:31,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 22:17:31,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 22:17:31,597 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 22:17:31,599 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 22:17:31,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:17:30" (1/3) ... [2018-11-22 22:17:31,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77154495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:17:31, skipping insertion in model container [2018-11-22 22:17:31,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:17:31" (2/3) ... [2018-11-22 22:17:31,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77154495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:17:31, skipping insertion in model container [2018-11-22 22:17:31,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:17:31" (3/3) ... [2018-11-22 22:17:31,601 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product29_true-unreach-call_false-termination.cil.c [2018-11-22 22:17:31,610 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 22:17:31,616 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 22:17:31,630 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 22:17:31,657 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 22:17:31,657 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 22:17:31,657 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 22:17:31,658 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 22:17:31,658 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 22:17:31,658 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 22:17:31,658 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 22:17:31,658 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 22:17:31,673 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2018-11-22 22:17:31,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-22 22:17:31,680 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:17:31,681 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] [2018-11-22 22:17:31,683 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:17:31,688 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:17:31,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1367662587, now seen corresponding path program 1 times [2018-11-22 22:17:31,690 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:17:31,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:17:31,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:17:31,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:17:31,721 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:17:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:17:31,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:17:31,867 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:17:31,868 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-22 22:17:31,868 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:17:31,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-22 22:17:31,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-22 22:17:31,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-22 22:17:31,880 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2018-11-22 22:17:31,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:17:31,903 INFO L93 Difference]: Finished difference Result 244 states and 303 transitions. [2018-11-22 22:17:31,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-22 22:17:31,904 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-22 22:17:31,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:17:31,914 INFO L225 Difference]: With dead ends: 244 [2018-11-22 22:17:31,914 INFO L226 Difference]: Without dead ends: 122 [2018-11-22 22:17:31,917 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 [2018-11-22 22:17:31,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-11-22 22:17:31,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2018-11-22 22:17:31,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-11-22 22:17:31,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 143 transitions. [2018-11-22 22:17:31,949 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 143 transitions. Word has length 46 [2018-11-22 22:17:31,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:17:31,950 INFO L480 AbstractCegarLoop]: Abstraction has 122 states and 143 transitions. [2018-11-22 22:17:31,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-22 22:17:31,950 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 143 transitions. [2018-11-22 22:17:31,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-22 22:17:31,952 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:17:31,953 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] [2018-11-22 22:17:31,953 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:17:31,953 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:17:31,953 INFO L82 PathProgramCache]: Analyzing trace with hash -1785660928, now seen corresponding path program 1 times [2018-11-22 22:17:31,954 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:17:31,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:17:31,955 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:17:31,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:17:31,955 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:17:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:17:32,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:17:32,039 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:17:32,039 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:17:32,039 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:17:32,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:17:32,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:17:32,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:17:32,041 INFO L87 Difference]: Start difference. First operand 122 states and 143 transitions. Second operand 3 states. [2018-11-22 22:17:32,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:17:32,059 INFO L93 Difference]: Finished difference Result 193 states and 225 transitions. [2018-11-22 22:17:32,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:17:32,060 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-22 22:17:32,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:17:32,061 INFO L225 Difference]: With dead ends: 193 [2018-11-22 22:17:32,061 INFO L226 Difference]: Without dead ends: 113 [2018-11-22 22:17:32,062 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 [2018-11-22 22:17:32,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-11-22 22:17:32,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-11-22 22:17:32,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-11-22 22:17:32,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 131 transitions. [2018-11-22 22:17:32,073 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 131 transitions. Word has length 47 [2018-11-22 22:17:32,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:17:32,073 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 131 transitions. [2018-11-22 22:17:32,074 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:17:32,074 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 131 transitions. [2018-11-22 22:17:32,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-22 22:17:32,075 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:17:32,076 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] [2018-11-22 22:17:32,077 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:17:32,077 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:17:32,077 INFO L82 PathProgramCache]: Analyzing trace with hash 444217858, now seen corresponding path program 1 times [2018-11-22 22:17:32,077 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:17:32,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:17:32,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:17:32,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:17:32,078 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:17:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:17:32,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:17:32,178 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:17:32,178 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-22 22:17:32,178 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:17:32,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-22 22:17:32,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-22 22:17:32,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-22 22:17:32,179 INFO L87 Difference]: Start difference. First operand 113 states and 131 transitions. Second operand 7 states. [2018-11-22 22:17:32,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:17:32,350 INFO L93 Difference]: Finished difference Result 202 states and 239 transitions. [2018-11-22 22:17:32,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-22 22:17:32,350 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-22 22:17:32,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:17:32,352 INFO L225 Difference]: With dead ends: 202 [2018-11-22 22:17:32,352 INFO L226 Difference]: Without dead ends: 113 [2018-11-22 22:17:32,353 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-22 22:17:32,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-11-22 22:17:32,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-11-22 22:17:32,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-11-22 22:17:32,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 130 transitions. [2018-11-22 22:17:32,364 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 130 transitions. Word has length 51 [2018-11-22 22:17:32,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:17:32,364 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 130 transitions. [2018-11-22 22:17:32,364 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-22 22:17:32,364 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 130 transitions. [2018-11-22 22:17:32,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-22 22:17:32,366 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:17:32,366 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:17:32,366 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:17:32,366 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:17:32,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1881071970, now seen corresponding path program 1 times [2018-11-22 22:17:32,367 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:17:32,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:17:32,368 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:17:32,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:17:32,368 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:17:32,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:17:32,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:17:32,484 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:17:32,484 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-22 22:17:32,485 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:17:32,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-22 22:17:32,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-22 22:17:32,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-22 22:17:32,486 INFO L87 Difference]: Start difference. First operand 113 states and 130 transitions. Second operand 10 states. [2018-11-22 22:17:32,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:17:32,789 INFO L93 Difference]: Finished difference Result 360 states and 441 transitions. [2018-11-22 22:17:32,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-22 22:17:32,789 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 64 [2018-11-22 22:17:32,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:17:32,795 INFO L225 Difference]: With dead ends: 360 [2018-11-22 22:17:32,795 INFO L226 Difference]: Without dead ends: 271 [2018-11-22 22:17:32,797 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 [2018-11-22 22:17:32,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2018-11-22 22:17:32,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 267. [2018-11-22 22:17:32,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2018-11-22 22:17:32,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 318 transitions. [2018-11-22 22:17:32,825 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 318 transitions. Word has length 64 [2018-11-22 22:17:32,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:17:32,825 INFO L480 AbstractCegarLoop]: Abstraction has 267 states and 318 transitions. [2018-11-22 22:17:32,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-22 22:17:32,825 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 318 transitions. [2018-11-22 22:17:32,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-22 22:17:32,828 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:17:32,828 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:17:32,829 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:17:32,829 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:17:32,829 INFO L82 PathProgramCache]: Analyzing trace with hash -608890504, now seen corresponding path program 1 times [2018-11-22 22:17:32,829 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:17:32,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:17:32,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:17:32,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:17:32,830 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:17:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:17:32,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:17:32,905 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:17:32,905 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:17:32,905 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:17:32,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:17:32,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:17:32,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:17:32,906 INFO L87 Difference]: Start difference. First operand 267 states and 318 transitions. Second operand 3 states. [2018-11-22 22:17:32,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:17:32,924 INFO L93 Difference]: Finished difference Result 407 states and 496 transitions. [2018-11-22 22:17:32,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:17:32,927 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2018-11-22 22:17:32,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:17:32,928 INFO L225 Difference]: With dead ends: 407 [2018-11-22 22:17:32,928 INFO L226 Difference]: Without dead ends: 164 [2018-11-22 22:17:32,929 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:17:32,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-11-22 22:17:32,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2018-11-22 22:17:32,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-11-22 22:17:32,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 182 transitions. [2018-11-22 22:17:32,940 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 182 transitions. Word has length 68 [2018-11-22 22:17:32,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:17:32,940 INFO L480 AbstractCegarLoop]: Abstraction has 164 states and 182 transitions. [2018-11-22 22:17:32,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:17:32,941 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 182 transitions. [2018-11-22 22:17:32,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-22 22:17:32,942 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:17:32,942 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, 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] [2018-11-22 22:17:32,942 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:17:32,943 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:17:32,943 INFO L82 PathProgramCache]: Analyzing trace with hash 545249855, now seen corresponding path program 1 times [2018-11-22 22:17:32,943 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:17:32,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:17:32,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:17:32,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:17:32,944 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:17:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:17:33,047 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-22 22:17:33,047 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:17:33,048 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 22:17:33,048 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 109 with the following transitions: [2018-11-22 22:17:33,049 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [37], [52], [55], [56], [57], [69], [78], [93], [96], [97], [98], [107], [111], [115], [118], [123], [129], [131], [134], [151], [152], [153], [154], [193], [197], [203], [213], [219], [223], [224], [227], [228], [229], [230], [231], [233], [234], [235], [236], [237], [238], [239], [240], [241], [249], [250], [253], [263], [264], [265], [266], [269], [270], [279], [280], [281], [282], [283], [284], [285] [2018-11-22 22:17:33,074 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 22:17:33,074 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 22:17:33,406 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 22:17:33,407 INFO L272 AbstractInterpreter]: Visited 71 different actions 79 times. Merged at 5 different actions 5 times. Never widened. Performed 2842 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2842 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 132 variables. [2018-11-22 22:17:33,416 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:17:33,416 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 22:17:33,689 INFO L227 lantSequenceWeakener]: Weakened 104 states. On average, predicates are now at 97.58% of their original sizes. [2018-11-22 22:17:33,689 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 22:17:33,761 INFO L415 sIntCurrentIteration]: We unified 107 AI predicates to 107 [2018-11-22 22:17:33,761 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 22:17:33,762 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 22:17:33,762 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [7] total 20 [2018-11-22 22:17:33,762 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:17:33,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-22 22:17:33,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-22 22:17:33,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-11-22 22:17:33,763 INFO L87 Difference]: Start difference. First operand 164 states and 182 transitions. Second operand 15 states. [2018-11-22 22:17:34,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:17:34,654 INFO L93 Difference]: Finished difference Result 209 states and 234 transitions. [2018-11-22 22:17:34,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-22 22:17:34,654 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 108 [2018-11-22 22:17:34,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:17:34,655 INFO L225 Difference]: With dead ends: 209 [2018-11-22 22:17:34,655 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 22:17:34,656 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 108 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2018-11-22 22:17:34,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 22:17:34,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 22:17:34,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 22:17:34,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 22:17:34,656 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2018-11-22 22:17:34,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:17:34,657 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 22:17:34,657 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-22 22:17:34,657 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 22:17:34,657 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 22:17:34,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-22 22:17:35,532 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 599 605) the Hoare annotation is: true [2018-11-22 22:17:35,532 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 599 605) no Hoare annotation was computed. [2018-11-22 22:17:35,532 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 606 614) no Hoare annotation was computed. [2018-11-22 22:17:35,532 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 606 614) the Hoare annotation is: true [2018-11-22 22:17:35,532 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 606 614) no Hoare annotation was computed. [2018-11-22 22:17:35,532 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 912 936) the Hoare annotation is: true [2018-11-22 22:17:35,532 INFO L444 ceAbstractionStarter]: At program point L926(line 926) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-22 22:17:35,532 INFO L448 ceAbstractionStarter]: For program point L924(lines 924 930) no Hoare annotation was computed. [2018-11-22 22:17:35,532 INFO L444 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-22 22:17:35,533 INFO L448 ceAbstractionStarter]: For program point L922-1(line 922) no Hoare annotation was computed. [2018-11-22 22:17:35,533 INFO L448 ceAbstractionStarter]: For program point L920(lines 920 933) no Hoare annotation was computed. [2018-11-22 22:17:35,533 INFO L448 ceAbstractionStarter]: For program point L920-1(lines 912 936) no Hoare annotation was computed. [2018-11-22 22:17:35,533 INFO L451 ceAbstractionStarter]: At program point L918(line 918) the Hoare annotation is: true [2018-11-22 22:17:35,533 INFO L448 ceAbstractionStarter]: For program point L918-1(line 918) no Hoare annotation was computed. [2018-11-22 22:17:35,533 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 912 936) no Hoare annotation was computed. [2018-11-22 22:17:35,533 INFO L448 ceAbstractionStarter]: For program point L898-1(lines 898 905) no Hoare annotation was computed. [2018-11-22 22:17:35,533 INFO L448 ceAbstractionStarter]: For program point L896(line 896) no Hoare annotation was computed. [2018-11-22 22:17:35,533 INFO L444 ceAbstractionStarter]: At program point L895(line 895) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 22:17:35,533 INFO L444 ceAbstractionStarter]: At program point L894(line 894) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 22:17:35,534 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 888 910) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 22:17:35,534 INFO L444 ceAbstractionStarter]: At program point L894-1(line 894) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 22:17:35,534 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 888 910) no Hoare annotation was computed. [2018-11-22 22:17:35,534 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 888 910) no Hoare annotation was computed. [2018-11-22 22:17:35,534 INFO L444 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= main_~tmp~8 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 22:17:35,534 INFO L444 ceAbstractionStarter]: At program point L900-1(line 900) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= main_~tmp~8 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 22:17:35,534 INFO L448 ceAbstractionStarter]: For program point L898(lines 898 905) no Hoare annotation was computed. [2018-11-22 22:17:35,534 INFO L444 ceAbstractionStarter]: At program point L670(line 670) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-22 22:17:35,535 INFO L444 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-22 22:17:35,535 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 672) no Hoare annotation was computed. [2018-11-22 22:17:35,535 INFO L444 ceAbstractionStarter]: At program point L662(line 662) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-22 22:17:35,535 INFO L448 ceAbstractionStarter]: For program point L662-1(line 662) no Hoare annotation was computed. [2018-11-22 22:17:35,535 INFO L448 ceAbstractionStarter]: For program point L660(lines 660 677) no Hoare annotation was computed. [2018-11-22 22:17:35,535 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 656 680) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2))) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-22 22:17:35,535 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 656 680) no Hoare annotation was computed. [2018-11-22 22:17:35,535 INFO L444 ceAbstractionStarter]: At program point L675(line 675) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2))) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-22 22:17:35,536 INFO L448 ceAbstractionStarter]: For program point L675-1(lines 656 680) no Hoare annotation was computed. [2018-11-22 22:17:35,536 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 751 759) no Hoare annotation was computed. [2018-11-22 22:17:35,536 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 751 759) the Hoare annotation is: true [2018-11-22 22:17:35,536 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 751 759) no Hoare annotation was computed. [2018-11-22 22:17:35,536 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 796 814) the Hoare annotation is: true [2018-11-22 22:17:35,536 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 796 814) no Hoare annotation was computed. [2018-11-22 22:17:35,536 INFO L448 ceAbstractionStarter]: For program point L805(lines 805 809) no Hoare annotation was computed. [2018-11-22 22:17:35,536 INFO L451 ceAbstractionStarter]: At program point L803(line 803) the Hoare annotation is: true [2018-11-22 22:17:35,536 INFO L448 ceAbstractionStarter]: For program point L805-2(lines 805 809) no Hoare annotation was computed. [2018-11-22 22:17:35,536 INFO L448 ceAbstractionStarter]: For program point L803-1(line 803) no Hoare annotation was computed. [2018-11-22 22:17:35,536 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 796 814) no Hoare annotation was computed. [2018-11-22 22:17:35,537 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 592 598) no Hoare annotation was computed. [2018-11-22 22:17:35,537 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 592 598) the Hoare annotation is: true [2018-11-22 22:17:35,537 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 878 887) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 22:17:35,537 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 878 887) no Hoare annotation was computed. [2018-11-22 22:17:35,537 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 878 887) no Hoare annotation was computed. [2018-11-22 22:17:35,537 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 740 750) the Hoare annotation is: true [2018-11-22 22:17:35,537 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 740 750) no Hoare annotation was computed. [2018-11-22 22:17:35,537 INFO L451 ceAbstractionStarter]: At program point L745(line 745) the Hoare annotation is: true [2018-11-22 22:17:35,537 INFO L448 ceAbstractionStarter]: For program point L745-1(line 745) no Hoare annotation was computed. [2018-11-22 22:17:35,537 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 740 750) no Hoare annotation was computed. [2018-11-22 22:17:35,537 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 732 739) the Hoare annotation is: true [2018-11-22 22:17:35,538 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 732 739) no Hoare annotation was computed. [2018-11-22 22:17:35,538 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 732 739) no Hoare annotation was computed. [2018-11-22 22:17:35,538 INFO L444 ceAbstractionStarter]: At program point L701(line 701) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2))) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-22 22:17:35,538 INFO L448 ceAbstractionStarter]: For program point L701-1(lines 682 706) no Hoare annotation was computed. [2018-11-22 22:17:35,538 INFO L444 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-22 22:17:35,538 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 682 706) no Hoare annotation was computed. [2018-11-22 22:17:35,538 INFO L444 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-22 22:17:35,538 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 682 706) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2))) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-22 22:17:35,538 INFO L448 ceAbstractionStarter]: For program point L690(lines 690 698) no Hoare annotation was computed. [2018-11-22 22:17:35,539 INFO L444 ceAbstractionStarter]: At program point L688(line 688) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-22 22:17:35,539 INFO L448 ceAbstractionStarter]: For program point L688-1(line 688) no Hoare annotation was computed. [2018-11-22 22:17:35,539 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 703) no Hoare annotation was computed. [2018-11-22 22:17:35,539 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 648 654) no Hoare annotation was computed. [2018-11-22 22:17:35,539 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 648 654) the Hoare annotation is: true [2018-11-22 22:17:35,539 INFO L444 ceAbstractionStarter]: At program point L545(line 545) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) .cse0 .cse1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-22 22:17:35,539 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 513 576) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 22:17:35,539 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 549) no Hoare annotation was computed. [2018-11-22 22:17:35,540 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 543 549) no Hoare annotation was computed. [2018-11-22 22:17:35,540 INFO L444 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) .cse0 .cse1) (not (= ~systemActive~0 1)) (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-22 22:17:35,540 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 513 576) no Hoare annotation was computed. [2018-11-22 22:17:35,540 INFO L444 ceAbstractionStarter]: At program point L566(lines 523 568) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) .cse0 .cse1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-22 22:17:35,540 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 539) no Hoare annotation was computed. [2018-11-22 22:17:35,540 INFO L448 ceAbstractionStarter]: For program point L533-1(lines 533 539) no Hoare annotation was computed. [2018-11-22 22:17:35,540 INFO L448 ceAbstractionStarter]: For program point L525(lines 525 529) no Hoare annotation was computed. [2018-11-22 22:17:35,540 INFO L444 ceAbstractionStarter]: At program point L569(lines 522 570) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 22:17:35,540 INFO L448 ceAbstractionStarter]: For program point L559(lines 559 563) no Hoare annotation was computed. [2018-11-22 22:17:35,541 INFO L444 ceAbstractionStarter]: At program point L559-2(lines 553 564) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) .cse0 .cse1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-22 22:17:35,541 INFO L448 ceAbstractionStarter]: For program point L524(lines 523 568) no Hoare annotation was computed. [2018-11-22 22:17:35,541 INFO L448 ceAbstractionStarter]: For program point L553(lines 553 564) no Hoare annotation was computed. [2018-11-22 22:17:35,541 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 513 576) no Hoare annotation was computed. [2018-11-22 22:17:35,541 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2018-11-22 22:17:35,541 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2018-11-22 22:17:35,541 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2018-11-22 22:17:35,541 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-22 22:17:35,541 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-22 22:17:35,541 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 22:17:35,541 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2018-11-22 22:17:35,542 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2018-11-22 22:17:35,542 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2018-11-22 22:17:35,542 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-11-22 22:17:35,542 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2018-11-22 22:17:35,542 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-11-22 22:17:35,542 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 817 846) no Hoare annotation was computed. [2018-11-22 22:17:35,542 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 835) no Hoare annotation was computed. [2018-11-22 22:17:35,542 INFO L451 ceAbstractionStarter]: At program point L831-1(lines 831 835) the Hoare annotation is: true [2018-11-22 22:17:35,542 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 817 846) the Hoare annotation is: true [2018-11-22 22:17:35,542 INFO L448 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-11-22 22:17:35,542 INFO L451 ceAbstractionStarter]: At program point L827-2(lines 827 841) the Hoare annotation is: true [2018-11-22 22:17:35,542 INFO L451 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: true [2018-11-22 22:17:35,543 INFO L448 ceAbstractionStarter]: For program point L823-1(line 823) no Hoare annotation was computed. [2018-11-22 22:17:35,543 INFO L451 ceAbstractionStarter]: At program point L842(lines 817 846) the Hoare annotation is: true [2018-11-22 22:17:35,543 INFO L448 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-11-22 22:17:35,543 INFO L444 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= ~waterLevel~0 2) .cse1) .cse2 (not (= |old(~waterLevel~0)| 2))) (or (and (= ~waterLevel~0 1) .cse1) .cse0 .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-22 22:17:35,543 INFO L444 ceAbstractionStarter]: At program point L635(lines 635 641) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= ~waterLevel~0 2) .cse1) .cse2 (not (= |old(~waterLevel~0)| 2))) (or (and (= ~waterLevel~0 1) .cse1) .cse0 .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-22 22:17:35,543 INFO L444 ceAbstractionStarter]: At program point L630(line 630) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-22 22:17:35,543 INFO L448 ceAbstractionStarter]: For program point L628(lines 627 646) no Hoare annotation was computed. [2018-11-22 22:17:35,543 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 624 647) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= ~waterLevel~0 2) .cse1) .cse2 (not (= |old(~waterLevel~0)| 2))) (or (and (= ~waterLevel~0 1) .cse1) .cse0 .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-22 22:17:35,544 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 624 647) no Hoare annotation was computed. [2018-11-22 22:17:35,544 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 624 647) no Hoare annotation was computed. [2018-11-22 22:17:35,544 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-11-22 22:17:35,544 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-11-22 22:17:35,544 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-11-22 22:17:35,544 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2018-11-22 22:17:35,544 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-11-22 22:17:35,544 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-11-22 22:17:35,544 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 871 877) no Hoare annotation was computed. [2018-11-22 22:17:35,544 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 871 877) the Hoare annotation is: true [2018-11-22 22:17:35,544 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 22:17:35,545 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-22 22:17:35,545 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 22:17:35,545 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 22:17:35,545 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-11-22 22:17:35,545 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-11-22 22:17:35,545 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= ~waterLevel~0 1) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (= ~waterLevel~0 2) .cse0 .cse1 (not (= |old(~waterLevel~0)| 2))))) [2018-11-22 22:17:35,545 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 136 143) no Hoare annotation was computed. [2018-11-22 22:17:35,545 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 136 143) the Hoare annotation is: true [2018-11-22 22:17:35,545 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2018-11-22 22:17:35,546 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 136 143) no Hoare annotation was computed. [2018-11-22 22:17:35,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:17:35 BoogieIcfgContainer [2018-11-22 22:17:35,556 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 22:17:35,556 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 22:17:35,556 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 22:17:35,556 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 22:17:35,557 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:17:31" (3/4) ... [2018-11-22 22:17:35,560 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 22:17:35,565 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-22 22:17:35,565 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-22 22:17:35,565 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-22 22:17:35,565 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 22:17:35,565 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-22 22:17:35,565 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-22 22:17:35,565 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-22 22:17:35,565 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-22 22:17:35,565 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-22 22:17:35,565 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-22 22:17:35,565 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-22 22:17:35,566 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-22 22:17:35,566 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-22 22:17:35,566 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-22 22:17:35,566 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-22 22:17:35,566 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 22:17:35,566 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-22 22:17:35,566 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-22 22:17:35,566 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-22 22:17:35,566 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-22 22:17:35,566 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-22 22:17:35,566 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-22 22:17:35,566 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-22 22:17:35,566 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-22 22:17:35,566 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-22 22:17:35,571 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-22 22:17:35,572 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-22 22:17:35,572 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-22 22:17:35,572 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-22 22:17:35,572 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-22 22:17:35,572 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 22:17:35,573 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 22:17:35,589 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 2 && pumpRunning == 0) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((waterLevel == 1 && pumpRunning == 0) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-22 22:17:35,589 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-22 22:17:35,621 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_90263938-272a-4d34-8d63-7c428fb2fe78/bin-2019/utaipan/witness.graphml [2018-11-22 22:17:35,621 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 22:17:35,622 INFO L168 Benchmark]: Toolchain (without parser) took 4931.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.6 MB). Free memory was 956.5 MB in the beginning and 948.4 MB in the end (delta: 8.1 MB). Peak memory consumption was 193.7 MB. Max. memory is 11.5 GB. [2018-11-22 22:17:35,623 INFO L168 Benchmark]: CDTParser took 0.13 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. [2018-11-22 22:17:35,623 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -160.8 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-22 22:17:35,623 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.77 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. [2018-11-22 22:17:35,623 INFO L168 Benchmark]: Boogie Preprocessor took 30.10 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. [2018-11-22 22:17:35,624 INFO L168 Benchmark]: RCFGBuilder took 505.16 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: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. [2018-11-22 22:17:35,624 INFO L168 Benchmark]: TraceAbstraction took 3959.14 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.8 MB). Free memory was 1.1 GB in the beginning and 959.5 MB in the end (delta: 103.2 MB). Peak memory consumption was 163.0 MB. Max. memory is 11.5 GB. [2018-11-22 22:17:35,624 INFO L168 Benchmark]: Witness Printer took 65.03 ms. Allocated memory is still 1.2 GB. Free memory was 959.5 MB in the beginning and 948.4 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2018-11-22 22:17:35,626 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 340.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -160.8 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.77 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 30.10 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 505.16 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: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3959.14 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.8 MB). Free memory was 1.1 GB in the beginning and 959.5 MB in the end (delta: 103.2 MB). Peak memory consumption was 163.0 MB. Max. memory is 11.5 GB. * Witness Printer took 65.03 ms. Allocated memory is still 1.2 GB. Free memory was 959.5 MB in the beginning and 948.4 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 140]: 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: 522]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: (((((waterLevel == 2 && pumpRunning == 0) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((waterLevel == 1 && pumpRunning == 0) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 135 locations, 1 error locations. SAFE Result, 3.8s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 748 SDtfs, 512 SDslu, 1865 SDs, 0 SdLazy, 584 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 153 GetRequests, 111 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=267occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9970872567689465 AbsIntWeakeningRatio, 0.897196261682243 AbsIntAvgWeakeningVarsNumRemoved, 97.96261682242991 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 397 PreInvPairs, 410 NumberOfFragments, 878 HoareAnnotationTreeSize, 397 FomulaSimplifications, 139 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 57 FomulaSimplificationsInter, 743 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 384 NumberOfCodeBlocks, 384 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 378 ConstructedInterpolants, 0 QuantifiedInterpolants, 54179 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 32/36 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...