./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product18_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_22ea8818-a0e4-4bae-9163-db5e163eed88/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_22ea8818-a0e4-4bae-9163-db5e163eed88/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_22ea8818-a0e4-4bae-9163-db5e163eed88/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_22ea8818-a0e4-4bae-9163-db5e163eed88/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product18_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_22ea8818-a0e4-4bae-9163-db5e163eed88/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_22ea8818-a0e4-4bae-9163-db5e163eed88/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 e10040ad9d006089566ac73bab5ec598c71c2723 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 11:56:21,289 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:56:21,290 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:56:21,298 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:56:21,298 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:56:21,299 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:56:21,300 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:56:21,301 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:56:21,302 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:56:21,303 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:56:21,303 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:56:21,303 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:56:21,304 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:56:21,304 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:56:21,305 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:56:21,306 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:56:21,306 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:56:21,307 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:56:21,309 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:56:21,310 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:56:21,310 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:56:21,311 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:56:21,313 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:56:21,313 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:56:21,313 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:56:21,314 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:56:21,314 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:56:21,315 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:56:21,315 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:56:21,316 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:56:21,316 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:56:21,317 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:56:21,317 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:56:21,317 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:56:21,317 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:56:21,318 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:56:21,318 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_22ea8818-a0e4-4bae-9163-db5e163eed88/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 11:56:21,327 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:56:21,327 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:56:21,328 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:56:21,328 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 11:56:21,328 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 11:56:21,328 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 11:56:21,329 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 11:56:21,329 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 11:56:21,329 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 11:56:21,329 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 11:56:21,329 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 11:56:21,330 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:56:21,330 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:56:21,330 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 11:56:21,330 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:56:21,330 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:56:21,330 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:56:21,330 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:56:21,330 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:56:21,331 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:56:21,331 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:56:21,331 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:56:21,331 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:56:21,331 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 11:56:21,331 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:56:21,331 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 11:56:21,331 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 11:56:21,332 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:56:21,332 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:56:21,332 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:56:21,332 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 11:56:21,332 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:56:21,332 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 11:56:21,332 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 11:56:21,332 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_22ea8818-a0e4-4bae-9163-db5e163eed88/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 -> e10040ad9d006089566ac73bab5ec598c71c2723 [2018-11-10 11:56:21,354 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:56:21,363 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:56:21,366 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:56:21,367 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:56:21,368 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:56:21,368 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_22ea8818-a0e4-4bae-9163-db5e163eed88/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product18_true-unreach-call_false-termination.cil.c [2018-11-10 11:56:21,405 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22ea8818-a0e4-4bae-9163-db5e163eed88/bin-2019/utaipan/data/d25736d42/a3b3e7196e8e485d9f9b6162ecd44048/FLAG4932f680f [2018-11-10 11:56:21,728 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:56:21,728 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_22ea8818-a0e4-4bae-9163-db5e163eed88/sv-benchmarks/c/product-lines/minepump_spec2_product18_true-unreach-call_false-termination.cil.c [2018-11-10 11:56:21,734 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22ea8818-a0e4-4bae-9163-db5e163eed88/bin-2019/utaipan/data/d25736d42/a3b3e7196e8e485d9f9b6162ecd44048/FLAG4932f680f [2018-11-10 11:56:21,743 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_22ea8818-a0e4-4bae-9163-db5e163eed88/bin-2019/utaipan/data/d25736d42/a3b3e7196e8e485d9f9b6162ecd44048 [2018-11-10 11:56:21,744 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:56:21,745 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 11:56:21,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:56:21,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:56:21,748 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:56:21,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:56:21" (1/1) ... [2018-11-10 11:56:21,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70607c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:56:21, skipping insertion in model container [2018-11-10 11:56:21,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:56:21" (1/1) ... [2018-11-10 11:56:21,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:56:21,784 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:56:21,966 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:56:21,973 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:56:22,026 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:56:22,049 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:56:22,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:56:22 WrapperNode [2018-11-10 11:56:22,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:56:22,050 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 11:56:22,051 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 11:56:22,051 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 11:56:22,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:56:22" (1/1) ... [2018-11-10 11:56:22,126 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:56:22" (1/1) ... [2018-11-10 11:56:22,148 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 11:56:22,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:56:22,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:56:22,148 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:56:22,156 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:56:22" (1/1) ... [2018-11-10 11:56:22,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:56:22" (1/1) ... [2018-11-10 11:56:22,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:56:22" (1/1) ... [2018-11-10 11:56:22,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:56:22" (1/1) ... [2018-11-10 11:56:22,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:56:22" (1/1) ... [2018-11-10 11:56:22,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:56:22" (1/1) ... [2018-11-10 11:56:22,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:56:22" (1/1) ... [2018-11-10 11:56:22,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:56:22,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:56:22,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:56:22,180 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:56:22,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:56:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22ea8818-a0e4-4bae-9163-db5e163eed88/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 [2018-11-10 11:56:22,230 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-10 11:56:22,230 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-10 11:56:22,230 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 11:56:22,230 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 11:56:22,230 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-10 11:56:22,230 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-10 11:56:22,230 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-10 11:56:22,230 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-10 11:56:22,231 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-10 11:56:22,231 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-10 11:56:22,231 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 11:56:22,232 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 11:56:22,232 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-10 11:56:22,232 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-10 11:56:22,232 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-10 11:56:22,232 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-10 11:56:22,232 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-10 11:56:22,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-10 11:56:22,232 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-10 11:56:22,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-10 11:56:22,233 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 11:56:22,233 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 11:56:22,233 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 11:56:22,233 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 11:56:22,233 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 11:56:22,233 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 11:56:22,233 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-10 11:56:22,233 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-10 11:56:22,234 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-10 11:56:22,234 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-10 11:56:22,234 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 11:56:22,234 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 11:56:22,234 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-10 11:56:22,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-10 11:56:22,234 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-10 11:56:22,234 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-10 11:56:22,234 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-10 11:56:22,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-10 11:56:22,235 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-10 11:56:22,235 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-10 11:56:22,235 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 11:56:22,235 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 11:56:22,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 11:56:22,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 11:56:22,235 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 11:56:22,235 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 11:56:22,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:56:22,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:56:22,236 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-10 11:56:22,236 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-10 11:56:22,874 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:56:22,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:56:22 BoogieIcfgContainer [2018-11-10 11:56:22,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:56:22,875 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 11:56:22,875 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 11:56:22,878 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 11:56:22,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:56:21" (1/3) ... [2018-11-10 11:56:22,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19c031bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:56:22, skipping insertion in model container [2018-11-10 11:56:22,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:56:22" (2/3) ... [2018-11-10 11:56:22,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19c031bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:56:22, skipping insertion in model container [2018-11-10 11:56:22,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:56:22" (3/3) ... [2018-11-10 11:56:22,880 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product18_true-unreach-call_false-termination.cil.c [2018-11-10 11:56:22,887 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 11:56:22,894 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 11:56:22,907 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 11:56:22,935 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 11:56:22,935 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 11:56:22,936 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 11:56:22,936 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 11:56:22,936 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 11:56:22,936 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 11:56:22,936 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 11:56:22,936 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 11:56:22,953 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2018-11-10 11:56:22,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 11:56:22,960 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:56:22,960 INFO L375 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] [2018-11-10 11:56:22,962 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:56:22,967 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:56:22,967 INFO L82 PathProgramCache]: Analyzing trace with hash 2002737036, now seen corresponding path program 1 times [2018-11-10 11:56:22,969 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:56:23,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:56:23,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:56:23,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:56:23,010 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:56:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:56:23,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:56:23,165 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:56:23,166 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 11:56:23,166 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:56:23,172 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 11:56:23,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 11:56:23,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 11:56:23,182 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 2 states. [2018-11-10 11:56:23,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:56:23,207 INFO L93 Difference]: Finished difference Result 226 states and 279 transitions. [2018-11-10 11:56:23,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 11:56:23,208 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-10 11:56:23,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:56:23,216 INFO L225 Difference]: With dead ends: 226 [2018-11-10 11:56:23,216 INFO L226 Difference]: Without dead ends: 115 [2018-11-10 11:56:23,218 INFO L605 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 [2018-11-10 11:56:23,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-11-10 11:56:23,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-11-10 11:56:23,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-11-10 11:56:23,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 133 transitions. [2018-11-10 11:56:23,251 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 133 transitions. Word has length 51 [2018-11-10 11:56:23,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:56:23,252 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 133 transitions. [2018-11-10 11:56:23,252 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 11:56:23,252 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 133 transitions. [2018-11-10 11:56:23,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 11:56:23,254 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:56:23,254 INFO L375 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] [2018-11-10 11:56:23,255 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:56:23,255 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:56:23,255 INFO L82 PathProgramCache]: Analyzing trace with hash 732893189, now seen corresponding path program 1 times [2018-11-10 11:56:23,255 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:56:23,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:56:23,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:56:23,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:56:23,256 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:56:23,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:56:23,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:56:23,355 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:56:23,355 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 11:56:23,355 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:56:23,357 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 11:56:23,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 11:56:23,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:56:23,357 INFO L87 Difference]: Start difference. First operand 115 states and 133 transitions. Second operand 3 states. [2018-11-10 11:56:23,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:56:23,372 INFO L93 Difference]: Finished difference Result 169 states and 195 transitions. [2018-11-10 11:56:23,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 11:56:23,372 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-10 11:56:23,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:56:23,374 INFO L225 Difference]: With dead ends: 169 [2018-11-10 11:56:23,374 INFO L226 Difference]: Without dead ends: 105 [2018-11-10 11:56:23,375 INFO L605 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 [2018-11-10 11:56:23,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-11-10 11:56:23,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-11-10 11:56:23,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-11-10 11:56:23,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 120 transitions. [2018-11-10 11:56:23,385 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 120 transitions. Word has length 53 [2018-11-10 11:56:23,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:56:23,385 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 120 transitions. [2018-11-10 11:56:23,385 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 11:56:23,385 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 120 transitions. [2018-11-10 11:56:23,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 11:56:23,386 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:56:23,386 INFO L375 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] [2018-11-10 11:56:23,386 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:56:23,386 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:56:23,387 INFO L82 PathProgramCache]: Analyzing trace with hash -737734889, now seen corresponding path program 1 times [2018-11-10 11:56:23,387 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:56:23,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:56:23,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:56:23,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:56:23,388 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:56:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:56:23,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:56:23,525 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:56:23,525 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 11:56:23,525 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:56:23,526 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 11:56:23,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 11:56:23,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 11:56:23,526 INFO L87 Difference]: Start difference. First operand 105 states and 120 transitions. Second operand 7 states. [2018-11-10 11:56:23,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:56:23,889 INFO L93 Difference]: Finished difference Result 182 states and 213 transitions. [2018-11-10 11:56:23,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 11:56:23,889 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-10 11:56:23,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:56:23,891 INFO L225 Difference]: With dead ends: 182 [2018-11-10 11:56:23,891 INFO L226 Difference]: Without dead ends: 105 [2018-11-10 11:56:23,892 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-10 11:56:23,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-11-10 11:56:23,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-11-10 11:56:23,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-11-10 11:56:23,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 119 transitions. [2018-11-10 11:56:23,901 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 119 transitions. Word has length 58 [2018-11-10 11:56:23,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:56:23,901 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 119 transitions. [2018-11-10 11:56:23,901 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 11:56:23,902 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 119 transitions. [2018-11-10 11:56:23,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-10 11:56:23,903 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:56:23,903 INFO L375 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] [2018-11-10 11:56:23,907 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:56:23,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:56:23,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1141878714, now seen corresponding path program 1 times [2018-11-10 11:56:23,908 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:56:23,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:56:23,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:56:23,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:56:23,909 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:56:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:56:23,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:56:23,998 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:56:23,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 11:56:23,999 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:56:23,999 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 11:56:23,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 11:56:23,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 11:56:24,000 INFO L87 Difference]: Start difference. First operand 105 states and 119 transitions. Second operand 6 states. [2018-11-10 11:56:24,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:56:24,150 INFO L93 Difference]: Finished difference Result 251 states and 296 transitions. [2018-11-10 11:56:24,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 11:56:24,151 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2018-11-10 11:56:24,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:56:24,153 INFO L225 Difference]: With dead ends: 251 [2018-11-10 11:56:24,154 INFO L226 Difference]: Without dead ends: 174 [2018-11-10 11:56:24,154 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-10 11:56:24,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2018-11-10 11:56:24,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 172. [2018-11-10 11:56:24,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-11-10 11:56:24,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 198 transitions. [2018-11-10 11:56:24,173 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 198 transitions. Word has length 66 [2018-11-10 11:56:24,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:56:24,174 INFO L481 AbstractCegarLoop]: Abstraction has 172 states and 198 transitions. [2018-11-10 11:56:24,174 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 11:56:24,174 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 198 transitions. [2018-11-10 11:56:24,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-10 11:56:24,176 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:56:24,176 INFO L375 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, 1, 1] [2018-11-10 11:56:24,176 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:56:24,176 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:56:24,176 INFO L82 PathProgramCache]: Analyzing trace with hash 821865438, now seen corresponding path program 1 times [2018-11-10 11:56:24,176 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:56:24,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:56:24,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:56:24,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:56:24,177 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:56:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:56:24,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:56:24,266 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:56:24,266 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 11:56:24,266 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:56:24,266 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 11:56:24,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 11:56:24,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 11:56:24,267 INFO L87 Difference]: Start difference. First operand 172 states and 198 transitions. Second operand 7 states. [2018-11-10 11:56:24,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:56:24,535 INFO L93 Difference]: Finished difference Result 270 states and 319 transitions. [2018-11-10 11:56:24,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 11:56:24,536 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-11-10 11:56:24,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:56:24,536 INFO L225 Difference]: With dead ends: 270 [2018-11-10 11:56:24,536 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 11:56:24,538 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-10 11:56:24,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 11:56:24,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 11:56:24,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 11:56:24,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 11:56:24,538 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2018-11-10 11:56:24,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:56:24,539 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 11:56:24,539 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 11:56:24,539 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 11:56:24,539 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 11:56:24,542 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 11:56:25,193 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 400 406) the Hoare annotation is: true [2018-11-10 11:56:25,193 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 400 406) no Hoare annotation was computed. [2018-11-10 11:56:25,193 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 407 415) no Hoare annotation was computed. [2018-11-10 11:56:25,193 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 407 415) the Hoare annotation is: true [2018-11-10 11:56:25,193 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 407 415) no Hoare annotation was computed. [2018-11-10 11:56:25,193 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 358 380) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 11:56:25,193 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 358 380) no Hoare annotation was computed. [2018-11-10 11:56:25,193 INFO L421 ceAbstractionStarter]: At program point L370(line 370) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-10 11:56:25,194 INFO L421 ceAbstractionStarter]: At program point L370-1(line 370) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-10 11:56:25,194 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 375) no Hoare annotation was computed. [2018-11-10 11:56:25,194 INFO L425 ceAbstractionStarter]: For program point L368-1(lines 368 375) no Hoare annotation was computed. [2018-11-10 11:56:25,194 INFO L425 ceAbstractionStarter]: For program point L366(line 366) no Hoare annotation was computed. [2018-11-10 11:56:25,194 INFO L421 ceAbstractionStarter]: At program point L365(line 365) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 11:56:25,194 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 358 380) no Hoare annotation was computed. [2018-11-10 11:56:25,194 INFO L421 ceAbstractionStarter]: At program point L364(line 364) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 11:56:25,194 INFO L421 ceAbstractionStarter]: At program point L364-1(line 364) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 11:56:25,194 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 138 146) no Hoare annotation was computed. [2018-11-10 11:56:25,195 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 138 146) the Hoare annotation is: true [2018-11-10 11:56:25,195 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 138 146) no Hoare annotation was computed. [2018-11-10 11:56:25,195 INFO L425 ceAbstractionStarter]: For program point L192(lines 192 196) no Hoare annotation was computed. [2018-11-10 11:56:25,195 INFO L428 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: true [2018-11-10 11:56:25,195 INFO L425 ceAbstractionStarter]: For program point L192-2(lines 192 196) no Hoare annotation was computed. [2018-11-10 11:56:25,195 INFO L425 ceAbstractionStarter]: For program point L190-1(line 190) no Hoare annotation was computed. [2018-11-10 11:56:25,195 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 183 201) the Hoare annotation is: true [2018-11-10 11:56:25,195 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 183 201) no Hoare annotation was computed. [2018-11-10 11:56:25,195 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 183 201) no Hoare annotation was computed. [2018-11-10 11:56:25,195 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 393 399) no Hoare annotation was computed. [2018-11-10 11:56:25,195 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 393 399) the Hoare annotation is: true [2018-11-10 11:56:25,196 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 344 354) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 11:56:25,196 INFO L421 ceAbstractionStarter]: At program point L349(line 349) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 11:56:25,196 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 344 354) no Hoare annotation was computed. [2018-11-10 11:56:25,196 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 344 354) no Hoare annotation was computed. [2018-11-10 11:56:25,196 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 119 126) the Hoare annotation is: true [2018-11-10 11:56:25,196 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 119 126) no Hoare annotation was computed. [2018-11-10 11:56:25,196 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 119 126) no Hoare annotation was computed. [2018-11-10 11:56:25,196 INFO L421 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 11:56:25,196 INFO L425 ceAbstractionStarter]: For program point L94(lines 94 102) no Hoare annotation was computed. [2018-11-10 11:56:25,196 INFO L421 ceAbstractionStarter]: At program point L92(line 92) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 11:56:25,196 INFO L425 ceAbstractionStarter]: For program point L92-1(line 92) no Hoare annotation was computed. [2018-11-10 11:56:25,197 INFO L425 ceAbstractionStarter]: For program point L90(lines 90 107) no Hoare annotation was computed. [2018-11-10 11:56:25,197 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 86 110) no Hoare annotation was computed. [2018-11-10 11:56:25,197 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 86 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 11:56:25,197 INFO L421 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 11:56:25,197 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 86 110) no Hoare annotation was computed. [2018-11-10 11:56:25,197 INFO L421 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 11:56:25,197 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 78 84) no Hoare annotation was computed. [2018-11-10 11:56:25,197 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 78 84) the Hoare annotation is: true [2018-11-10 11:56:25,197 INFO L425 ceAbstractionStarter]: For program point L225(lines 224 271) no Hoare annotation was computed. [2018-11-10 11:56:25,197 INFO L421 ceAbstractionStarter]: At program point L256(line 256) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-10 11:56:25,198 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 214 279) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 11:56:25,198 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 267) no Hoare annotation was computed. [2018-11-10 11:56:25,198 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 214 279) no Hoare annotation was computed. [2018-11-10 11:56:25,198 INFO L421 ceAbstractionStarter]: At program point L246(line 246) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-10 11:56:25,198 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 250) no Hoare annotation was computed. [2018-11-10 11:56:25,198 INFO L425 ceAbstractionStarter]: For program point L244-1(lines 244 250) no Hoare annotation was computed. [2018-11-10 11:56:25,198 INFO L421 ceAbstractionStarter]: At program point L269(lines 224 271) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-10 11:56:25,198 INFO L421 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-10 11:56:25,198 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 240) no Hoare annotation was computed. [2018-11-10 11:56:25,199 INFO L425 ceAbstractionStarter]: For program point L234-1(lines 234 240) no Hoare annotation was computed. [2018-11-10 11:56:25,199 INFO L425 ceAbstractionStarter]: For program point L226(lines 226 230) no Hoare annotation was computed. [2018-11-10 11:56:25,199 INFO L425 ceAbstractionStarter]: For program point L224-1(lines 224 271) no Hoare annotation was computed. [2018-11-10 11:56:25,199 INFO L421 ceAbstractionStarter]: At program point L272(lines 223 273) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 11:56:25,199 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 266) no Hoare annotation was computed. [2018-11-10 11:56:25,199 INFO L421 ceAbstractionStarter]: At program point L262-2(lines 254 267) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-10 11:56:25,199 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 214 279) no Hoare annotation was computed. [2018-11-10 11:56:25,199 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 497 505) no Hoare annotation was computed. [2018-11-10 11:56:25,199 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 497 505) the Hoare annotation is: true [2018-11-10 11:56:25,199 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 497 505) no Hoare annotation was computed. [2018-11-10 11:56:25,200 INFO L425 ceAbstractionStarter]: For program point L896(lines 896 902) no Hoare annotation was computed. [2018-11-10 11:56:25,200 INFO L425 ceAbstractionStarter]: For program point L895(lines 895 905) no Hoare annotation was computed. [2018-11-10 11:56:25,200 INFO L421 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-10 11:56:25,200 INFO L425 ceAbstractionStarter]: For program point L893-1(line 893) no Hoare annotation was computed. [2018-11-10 11:56:25,200 INFO L425 ceAbstractionStarter]: For program point L891(lines 891 908) no Hoare annotation was computed. [2018-11-10 11:56:25,200 INFO L425 ceAbstractionStarter]: For program point L891-1(lines 883 911) no Hoare annotation was computed. [2018-11-10 11:56:25,200 INFO L428 ceAbstractionStarter]: At program point L889(line 889) the Hoare annotation is: true [2018-11-10 11:56:25,200 INFO L425 ceAbstractionStarter]: For program point L889-1(line 889) no Hoare annotation was computed. [2018-11-10 11:56:25,200 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 883 911) the Hoare annotation is: true [2018-11-10 11:56:25,200 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 883 911) no Hoare annotation was computed. [2018-11-10 11:56:25,201 INFO L421 ceAbstractionStarter]: At program point L898(line 898) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-10 11:56:25,201 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 875 882) the Hoare annotation is: true [2018-11-10 11:56:25,201 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 875 882) no Hoare annotation was computed. [2018-11-10 11:56:25,201 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 875 882) no Hoare annotation was computed. [2018-11-10 11:56:25,201 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 11:56:25,201 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-10 11:56:25,201 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 11:56:25,201 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 444 455) no Hoare annotation was computed. [2018-11-10 11:56:25,201 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 444 455) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 11:56:25,201 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 444 455) no Hoare annotation was computed. [2018-11-10 11:56:25,201 INFO L421 ceAbstractionStarter]: At program point L65(lines 65 71) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 11:56:25,202 INFO L421 ceAbstractionStarter]: At program point L60(line 60) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 11:56:25,202 INFO L425 ceAbstractionStarter]: For program point L58(lines 57 76) no Hoare annotation was computed. [2018-11-10 11:56:25,202 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 54 77) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 11:56:25,202 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 54 77) no Hoare annotation was computed. [2018-11-10 11:56:25,202 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 54 77) no Hoare annotation was computed. [2018-11-10 11:56:25,202 INFO L421 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 11:56:25,202 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 456 464) the Hoare annotation is: true [2018-11-10 11:56:25,202 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 456 464) no Hoare annotation was computed. [2018-11-10 11:56:25,202 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 456 464) no Hoare annotation was computed. [2018-11-10 11:56:25,202 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 282 311) no Hoare annotation was computed. [2018-11-10 11:56:25,203 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 300) no Hoare annotation was computed. [2018-11-10 11:56:25,203 INFO L428 ceAbstractionStarter]: At program point L296-1(lines 296 300) the Hoare annotation is: true [2018-11-10 11:56:25,203 INFO L425 ceAbstractionStarter]: For program point L292-1(lines 292 306) no Hoare annotation was computed. [2018-11-10 11:56:25,203 INFO L428 ceAbstractionStarter]: At program point L292-3(lines 292 306) the Hoare annotation is: true [2018-11-10 11:56:25,203 INFO L428 ceAbstractionStarter]: At program point L288(line 288) the Hoare annotation is: true [2018-11-10 11:56:25,203 INFO L425 ceAbstractionStarter]: For program point L288-1(line 288) no Hoare annotation was computed. [2018-11-10 11:56:25,203 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 282 311) the Hoare annotation is: true [2018-11-10 11:56:25,203 INFO L428 ceAbstractionStarter]: At program point L307(lines 282 311) the Hoare annotation is: true [2018-11-10 11:56:25,203 INFO L425 ceAbstractionStarter]: For program point L303(line 303) no Hoare annotation was computed. [2018-11-10 11:56:25,203 INFO L425 ceAbstractionStarter]: For program point L293(line 293) no Hoare annotation was computed. [2018-11-10 11:56:25,203 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 420 431) the Hoare annotation is: true [2018-11-10 11:56:25,203 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 420 431) no Hoare annotation was computed. [2018-11-10 11:56:25,204 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 420 431) no Hoare annotation was computed. [2018-11-10 11:56:25,204 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 11:56:25,204 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-10 11:56:25,204 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 11:56:25,204 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 11:56:25,204 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 336 342) no Hoare annotation was computed. [2018-11-10 11:56:25,204 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 336 342) the Hoare annotation is: true [2018-11-10 11:56:25,204 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 202 209) no Hoare annotation was computed. [2018-11-10 11:56:25,204 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 202 209) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))) [2018-11-10 11:56:25,204 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 202 209) no Hoare annotation was computed. [2018-11-10 11:56:25,205 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 432 443) no Hoare annotation was computed. [2018-11-10 11:56:25,205 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 432 443) the Hoare annotation is: true [2018-11-10 11:56:25,205 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 432 443) no Hoare annotation was computed. [2018-11-10 11:56:25,205 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 917) no Hoare annotation was computed. [2018-11-10 11:56:25,205 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 913 920) no Hoare annotation was computed. [2018-11-10 11:56:25,205 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 913 920) the Hoare annotation is: true [2018-11-10 11:56:25,205 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 913 920) no Hoare annotation was computed. [2018-11-10 11:56:25,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 11:56:25 BoogieIcfgContainer [2018-11-10 11:56:25,218 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 11:56:25,218 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 11:56:25,218 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 11:56:25,219 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 11:56:25,219 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:56:22" (3/4) ... [2018-11-10 11:56:25,222 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 11:56:25,228 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-10 11:56:25,228 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-10 11:56:25,228 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 11:56:25,228 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-10 11:56:25,228 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-10 11:56:25,228 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-10 11:56:25,228 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-10 11:56:25,228 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 11:56:25,228 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-10 11:56:25,229 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 11:56:25,229 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-10 11:56:25,229 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-10 11:56:25,229 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-10 11:56:25,229 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-10 11:56:25,229 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 11:56:25,229 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 11:56:25,229 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 11:56:25,229 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 11:56:25,229 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 11:56:25,229 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-10 11:56:25,230 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-10 11:56:25,230 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-10 11:56:25,230 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 11:56:25,230 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-10 11:56:25,239 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 137 nodes and edges [2018-11-10 11:56:25,240 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 11:56:25,240 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-10 11:56:25,261 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) [2018-11-10 11:56:25,261 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-10 11:56:25,299 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_22ea8818-a0e4-4bae-9163-db5e163eed88/bin-2019/utaipan/witness.graphml [2018-11-10 11:56:25,299 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 11:56:25,300 INFO L168 Benchmark]: Toolchain (without parser) took 3554.79 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 240.6 MB). Free memory was 958.2 MB in the beginning and 1.1 GB in the end (delta: -176.2 MB). Peak memory consumption was 64.4 MB. Max. memory is 11.5 GB. [2018-11-10 11:56:25,301 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:56:25,301 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.32 ms. Allocated memory is still 1.0 GB. Free memory was 955.5 MB in the beginning and 934.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 11:56:25,301 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 934.0 MB in the beginning and 1.2 GB in the end (delta: -231.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-10 11:56:25,302 INFO L168 Benchmark]: Boogie Preprocessor took 31.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-10 11:56:25,302 INFO L168 Benchmark]: RCFGBuilder took 695.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 88.8 MB). Peak memory consumption was 88.8 MB. Max. memory is 11.5 GB. [2018-11-10 11:56:25,302 INFO L168 Benchmark]: TraceAbstraction took 2342.59 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 69.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -72.5 MB). Peak memory consumption was 251.3 MB. Max. memory is 11.5 GB. [2018-11-10 11:56:25,302 INFO L168 Benchmark]: Witness Printer took 80.71 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-10 11:56:25,304 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 304.32 ms. Allocated memory is still 1.0 GB. Free memory was 955.5 MB in the beginning and 934.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 97.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 934.0 MB in the beginning and 1.2 GB in the end (delta: -231.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 695.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 88.8 MB). Peak memory consumption was 88.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2342.59 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 69.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -72.5 MB). Peak memory consumption was 251.3 MB. Max. memory is 11.5 GB. * Witness Printer took 80.71 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 917]: 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: 223]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 128 locations, 1 error locations. SAFE Result, 2.2s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 576 SDtfs, 274 SDslu, 897 SDs, 0 SdLazy, 335 SolverSat, 66 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=172occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 233 PreInvPairs, 248 NumberOfFragments, 523 HoareAnnotationTreeSize, 233 FomulaSimplifications, 85 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 53 FomulaSimplificationsInter, 734 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 298 NumberOfCodeBlocks, 298 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 293 ConstructedInterpolants, 0 QuantifiedInterpolants, 32705 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...