./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product09_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_8e90b28b-843f-41f8-ac1a-90bd197e26ad/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8e90b28b-843f-41f8-ac1a-90bd197e26ad/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8e90b28b-843f-41f8-ac1a-90bd197e26ad/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8e90b28b-843f-41f8-ac1a-90bd197e26ad/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product09_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8e90b28b-843f-41f8-ac1a-90bd197e26ad/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8e90b28b-843f-41f8-ac1a-90bd197e26ad/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 5e00f12062c7c62f6aec19aeda9d058e37c16487 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:16:04,110 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 13:16:04,112 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 13:16:04,120 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 13:16:04,120 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 13:16:04,121 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 13:16:04,121 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 13:16:04,122 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 13:16:04,123 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 13:16:04,124 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 13:16:04,125 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 13:16:04,125 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 13:16:04,125 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 13:16:04,126 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 13:16:04,127 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 13:16:04,127 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 13:16:04,128 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 13:16:04,129 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 13:16:04,130 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 13:16:04,131 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 13:16:04,132 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 13:16:04,132 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 13:16:04,134 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 13:16:04,134 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 13:16:04,134 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 13:16:04,135 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 13:16:04,135 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 13:16:04,136 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 13:16:04,136 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 13:16:04,137 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 13:16:04,137 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 13:16:04,137 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 13:16:04,137 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 13:16:04,138 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 13:16:04,138 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 13:16:04,139 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 13:16:04,139 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8e90b28b-843f-41f8-ac1a-90bd197e26ad/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 13:16:04,148 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 13:16:04,148 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 13:16:04,148 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 13:16:04,149 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 13:16:04,149 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 13:16:04,149 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 13:16:04,149 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 13:16:04,149 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 13:16:04,149 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 13:16:04,149 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 13:16:04,150 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 13:16:04,150 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 13:16:04,150 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 13:16:04,150 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 13:16:04,150 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 13:16:04,151 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 13:16:04,151 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 13:16:04,151 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 13:16:04,151 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 13:16:04,151 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 13:16:04,151 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 13:16:04,151 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 13:16:04,151 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 13:16:04,152 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 13:16:04,152 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 13:16:04,152 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 13:16:04,152 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 13:16:04,152 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 13:16:04,152 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 13:16:04,152 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 13:16:04,152 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 13:16:04,153 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 13:16:04,153 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 13:16:04,153 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 13:16:04,153 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_8e90b28b-843f-41f8-ac1a-90bd197e26ad/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 -> 5e00f12062c7c62f6aec19aeda9d058e37c16487 [2018-11-10 13:16:04,177 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 13:16:04,186 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 13:16:04,189 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 13:16:04,190 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 13:16:04,190 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 13:16:04,191 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8e90b28b-843f-41f8-ac1a-90bd197e26ad/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product09_true-unreach-call_false-termination.cil.c [2018-11-10 13:16:04,237 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8e90b28b-843f-41f8-ac1a-90bd197e26ad/bin-2019/utaipan/data/24129c00e/67de4643cd314c98bdc0c525b66497b8/FLAGfca751027 [2018-11-10 13:16:04,592 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 13:16:04,593 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8e90b28b-843f-41f8-ac1a-90bd197e26ad/sv-benchmarks/c/product-lines/minepump_spec1_product09_true-unreach-call_false-termination.cil.c [2018-11-10 13:16:04,600 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8e90b28b-843f-41f8-ac1a-90bd197e26ad/bin-2019/utaipan/data/24129c00e/67de4643cd314c98bdc0c525b66497b8/FLAGfca751027 [2018-11-10 13:16:04,608 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8e90b28b-843f-41f8-ac1a-90bd197e26ad/bin-2019/utaipan/data/24129c00e/67de4643cd314c98bdc0c525b66497b8 [2018-11-10 13:16:04,610 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 13:16:04,611 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 13:16:04,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 13:16:04,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 13:16:04,613 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 13:16:04,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:16:04" (1/1) ... [2018-11-10 13:16:04,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23291eec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:04, skipping insertion in model container [2018-11-10 13:16:04,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:16:04" (1/1) ... [2018-11-10 13:16:04,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 13:16:04,648 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 13:16:04,823 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:16:04,831 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 13:16:04,881 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:16:04,895 INFO L193 MainTranslator]: Completed translation [2018-11-10 13:16:04,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:04 WrapperNode [2018-11-10 13:16:04,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 13:16:04,896 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 13:16:04,896 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 13:16:04,896 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 13:16:04,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:04" (1/1) ... [2018-11-10 13:16:04,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:04" (1/1) ... [2018-11-10 13:16:04,978 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 13:16:04,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 13:16:04,979 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 13:16:04,979 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 13:16:04,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:04" (1/1) ... [2018-11-10 13:16:04,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:04" (1/1) ... [2018-11-10 13:16:04,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:04" (1/1) ... [2018-11-10 13:16:04,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:04" (1/1) ... [2018-11-10 13:16:04,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:04" (1/1) ... [2018-11-10 13:16:04,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:04" (1/1) ... [2018-11-10 13:16:04,999 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:04" (1/1) ... [2018-11-10 13:16:05,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 13:16:05,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 13:16:05,003 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 13:16:05,003 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 13:16:05,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8e90b28b-843f-41f8-ac1a-90bd197e26ad/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 13:16:05,049 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-10 13:16:05,049 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-10 13:16:05,049 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-10 13:16:05,050 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-10 13:16:05,050 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 13:16:05,050 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 13:16:05,050 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-10 13:16:05,050 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-10 13:16:05,051 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-10 13:16:05,051 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-10 13:16:05,051 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-10 13:16:05,051 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-10 13:16:05,051 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-10 13:16:05,051 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-10 13:16:05,051 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-10 13:16:05,051 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-10 13:16:05,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 13:16:05,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 13:16:05,052 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 13:16:05,052 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 13:16:05,052 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 13:16:05,052 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 13:16:05,052 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 13:16:05,052 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 13:16:05,052 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 13:16:05,052 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 13:16:05,053 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-10 13:16:05,053 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-10 13:16:05,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 13:16:05,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 13:16:05,053 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-10 13:16:05,053 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-10 13:16:05,053 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 13:16:05,053 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 13:16:05,053 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-10 13:16:05,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-10 13:16:05,053 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-10 13:16:05,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-10 13:16:05,569 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 13:16:05,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:16:05 BoogieIcfgContainer [2018-11-10 13:16:05,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 13:16:05,571 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 13:16:05,571 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 13:16:05,574 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 13:16:05,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 01:16:04" (1/3) ... [2018-11-10 13:16:05,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18b1ed2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:16:05, skipping insertion in model container [2018-11-10 13:16:05,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:04" (2/3) ... [2018-11-10 13:16:05,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18b1ed2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:16:05, skipping insertion in model container [2018-11-10 13:16:05,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:16:05" (3/3) ... [2018-11-10 13:16:05,578 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product09_true-unreach-call_false-termination.cil.c [2018-11-10 13:16:05,586 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 13:16:05,592 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 13:16:05,605 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 13:16:05,629 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 13:16:05,630 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 13:16:05,630 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 13:16:05,630 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 13:16:05,630 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 13:16:05,630 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 13:16:05,630 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 13:16:05,630 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 13:16:05,645 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2018-11-10 13:16:05,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 13:16:05,652 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:16:05,652 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] [2018-11-10 13:16:05,654 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:16:05,659 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:16:05,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1585060134, now seen corresponding path program 1 times [2018-11-10 13:16:05,661 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 13:16:05,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:16:05,698 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:16:05,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:16:05,699 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 13:16:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:16:05,862 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 13:16:05,864 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:16:05,864 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 13:16:05,864 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 13:16:05,869 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 13:16:05,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 13:16:05,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 13:16:05,882 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 2 states. [2018-11-10 13:16:05,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:16:05,901 INFO L93 Difference]: Finished difference Result 166 states and 209 transitions. [2018-11-10 13:16:05,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 13:16:05,902 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-10 13:16:05,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:16:05,908 INFO L225 Difference]: With dead ends: 166 [2018-11-10 13:16:05,908 INFO L226 Difference]: Without dead ends: 83 [2018-11-10 13:16:05,911 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 13:16:05,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-11-10 13:16:05,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-11-10 13:16:05,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-11-10 13:16:05,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 96 transitions. [2018-11-10 13:16:05,937 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 96 transitions. Word has length 46 [2018-11-10 13:16:05,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:16:05,937 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 96 transitions. [2018-11-10 13:16:05,937 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 13:16:05,937 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 96 transitions. [2018-11-10 13:16:05,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 13:16:05,939 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:16:05,939 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] [2018-11-10 13:16:05,939 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:16:05,939 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:16:05,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1180640716, now seen corresponding path program 1 times [2018-11-10 13:16:05,940 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 13:16:05,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:16:05,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:16:05,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:16:05,941 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 13:16:05,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:16:06,029 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 13:16:06,029 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:16:06,029 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 13:16:06,029 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 13:16:06,031 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 13:16:06,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 13:16:06,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 13:16:06,031 INFO L87 Difference]: Start difference. First operand 83 states and 96 transitions. Second operand 3 states. [2018-11-10 13:16:06,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:16:06,043 INFO L93 Difference]: Finished difference Result 113 states and 129 transitions. [2018-11-10 13:16:06,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 13:16:06,044 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-10 13:16:06,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:16:06,045 INFO L225 Difference]: With dead ends: 113 [2018-11-10 13:16:06,045 INFO L226 Difference]: Without dead ends: 73 [2018-11-10 13:16:06,046 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 13:16:06,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-11-10 13:16:06,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-11-10 13:16:06,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-11-10 13:16:06,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 83 transitions. [2018-11-10 13:16:06,055 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 83 transitions. Word has length 48 [2018-11-10 13:16:06,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:16:06,055 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 83 transitions. [2018-11-10 13:16:06,055 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 13:16:06,055 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 83 transitions. [2018-11-10 13:16:06,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 13:16:06,056 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:16:06,056 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] [2018-11-10 13:16:06,057 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:16:06,058 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:16:06,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1580103947, now seen corresponding path program 1 times [2018-11-10 13:16:06,058 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 13:16:06,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:16:06,059 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:16:06,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:16:06,059 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 13:16:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:16:06,166 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 13:16:06,166 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:16:06,167 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 13:16:06,167 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 13:16:06,167 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 13:16:06,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 13:16:06,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 13:16:06,168 INFO L87 Difference]: Start difference. First operand 73 states and 83 transitions. Second operand 7 states. [2018-11-10 13:16:06,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:16:06,370 INFO L93 Difference]: Finished difference Result 122 states and 143 transitions. [2018-11-10 13:16:06,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 13:16:06,372 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-10 13:16:06,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:16:06,373 INFO L225 Difference]: With dead ends: 122 [2018-11-10 13:16:06,373 INFO L226 Difference]: Without dead ends: 73 [2018-11-10 13:16:06,374 INFO L605 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 [2018-11-10 13:16:06,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-11-10 13:16:06,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-11-10 13:16:06,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-11-10 13:16:06,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 82 transitions. [2018-11-10 13:16:06,381 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 82 transitions. Word has length 52 [2018-11-10 13:16:06,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:16:06,382 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 82 transitions. [2018-11-10 13:16:06,382 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 13:16:06,382 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2018-11-10 13:16:06,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-10 13:16:06,383 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:16:06,383 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] [2018-11-10 13:16:06,383 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:16:06,384 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:16:06,384 INFO L82 PathProgramCache]: Analyzing trace with hash 1377440873, now seen corresponding path program 1 times [2018-11-10 13:16:06,384 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 13:16:06,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:16:06,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:16:06,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:16:06,385 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 13:16:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:16:06,468 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 13:16:06,469 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:16:06,469 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 13:16:06,469 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 13:16:06,469 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 13:16:06,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 13:16:06,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 13:16:06,470 INFO L87 Difference]: Start difference. First operand 73 states and 82 transitions. Second operand 6 states. [2018-11-10 13:16:06,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:16:06,593 INFO L93 Difference]: Finished difference Result 164 states and 195 transitions. [2018-11-10 13:16:06,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 13:16:06,594 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2018-11-10 13:16:06,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:16:06,597 INFO L225 Difference]: With dead ends: 164 [2018-11-10 13:16:06,597 INFO L226 Difference]: Without dead ends: 115 [2018-11-10 13:16:06,598 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 13:16:06,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-11-10 13:16:06,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 113. [2018-11-10 13:16:06,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-11-10 13:16:06,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 130 transitions. [2018-11-10 13:16:06,613 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 130 transitions. Word has length 55 [2018-11-10 13:16:06,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:16:06,613 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 130 transitions. [2018-11-10 13:16:06,614 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 13:16:06,614 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 130 transitions. [2018-11-10 13:16:06,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-10 13:16:06,615 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:16:06,615 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] [2018-11-10 13:16:06,616 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:16:06,616 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:16:06,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1961058107, now seen corresponding path program 1 times [2018-11-10 13:16:06,616 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 13:16:06,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:16:06,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:16:06,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:16:06,617 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 13:16:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:16:06,699 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 13:16:06,699 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:16:06,699 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 13:16:06,699 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 13:16:06,700 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 13:16:06,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 13:16:06,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 13:16:06,700 INFO L87 Difference]: Start difference. First operand 113 states and 130 transitions. Second operand 6 states. [2018-11-10 13:16:06,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:16:06,861 INFO L93 Difference]: Finished difference Result 193 states and 228 transitions. [2018-11-10 13:16:06,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 13:16:06,863 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2018-11-10 13:16:06,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:16:06,863 INFO L225 Difference]: With dead ends: 193 [2018-11-10 13:16:06,863 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 13:16:06,864 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 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 13:16:06,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 13:16:06,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 13:16:06,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 13:16:06,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 13:16:06,865 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2018-11-10 13:16:06,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:16:06,865 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 13:16:06,866 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 13:16:06,866 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 13:16:06,866 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 13:16:06,870 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 13:16:07,277 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 669 675) no Hoare annotation was computed. [2018-11-10 13:16:07,277 INFO L428 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 669 675) the Hoare annotation is: true [2018-11-10 13:16:07,277 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-10 13:16:07,277 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-10 13:16:07,278 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-10 13:16:07,278 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-10 13:16:07,278 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-10 13:16:07,278 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 767 830) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 13:16:07,278 INFO L421 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 13:16:07,278 INFO L425 ceAbstractionStarter]: For program point L797(lines 797 803) no Hoare annotation was computed. [2018-11-10 13:16:07,278 INFO L425 ceAbstractionStarter]: For program point L797-1(lines 797 803) no Hoare annotation was computed. [2018-11-10 13:16:07,279 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 767 830) no Hoare annotation was computed. [2018-11-10 13:16:07,279 INFO L421 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 13:16:07,279 INFO L421 ceAbstractionStarter]: At program point L820(lines 777 822) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 13:16:07,279 INFO L425 ceAbstractionStarter]: For program point L787(lines 787 793) no Hoare annotation was computed. [2018-11-10 13:16:07,279 INFO L425 ceAbstractionStarter]: For program point L787-1(lines 787 793) no Hoare annotation was computed. [2018-11-10 13:16:07,291 INFO L425 ceAbstractionStarter]: For program point L779(lines 779 783) no Hoare annotation was computed. [2018-11-10 13:16:07,291 INFO L425 ceAbstractionStarter]: For program point L777-1(lines 777 822) no Hoare annotation was computed. [2018-11-10 13:16:07,291 INFO L421 ceAbstractionStarter]: At program point L823(lines 776 824) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 13:16:07,291 INFO L425 ceAbstractionStarter]: For program point L813(lines 813 817) no Hoare annotation was computed. [2018-11-10 13:16:07,291 INFO L421 ceAbstractionStarter]: At program point L813-2(lines 807 818) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 13:16:07,295 INFO L425 ceAbstractionStarter]: For program point L778(lines 777 822) no Hoare annotation was computed. [2018-11-10 13:16:07,295 INFO L425 ceAbstractionStarter]: For program point L807(lines 807 818) no Hoare annotation was computed. [2018-11-10 13:16:07,295 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 767 830) no Hoare annotation was computed. [2018-11-10 13:16:07,296 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 614 636) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 13:16:07,296 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 614 636) no Hoare annotation was computed. [2018-11-10 13:16:07,296 INFO L421 ceAbstractionStarter]: At program point L626(line 626) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 13:16:07,297 INFO L421 ceAbstractionStarter]: At program point L626-1(line 626) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 13:16:07,297 INFO L425 ceAbstractionStarter]: For program point L624(lines 624 631) no Hoare annotation was computed. [2018-11-10 13:16:07,297 INFO L425 ceAbstractionStarter]: For program point L624-1(lines 624 631) no Hoare annotation was computed. [2018-11-10 13:16:07,297 INFO L425 ceAbstractionStarter]: For program point L622(line 622) no Hoare annotation was computed. [2018-11-10 13:16:07,297 INFO L421 ceAbstractionStarter]: At program point L621(line 621) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 13:16:07,297 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 614 636) no Hoare annotation was computed. [2018-11-10 13:16:07,297 INFO L421 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 13:16:07,297 INFO L421 ceAbstractionStarter]: At program point L620-1(line 620) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 13:16:07,297 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 721 729) no Hoare annotation was computed. [2018-11-10 13:16:07,298 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 721 729) the Hoare annotation is: true [2018-11-10 13:16:07,299 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 721 729) no Hoare annotation was computed. [2018-11-10 13:16:07,299 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 13:16:07,299 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 13:16:07,299 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 13:16:07,299 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 476 487) no Hoare annotation was computed. [2018-11-10 13:16:07,299 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 476 487) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 13:16:07,299 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 476 487) no Hoare annotation was computed. [2018-11-10 13:16:07,299 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 488 496) the Hoare annotation is: true [2018-11-10 13:16:07,299 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 488 496) no Hoare annotation was computed. [2018-11-10 13:16:07,299 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 488 496) no Hoare annotation was computed. [2018-11-10 13:16:07,300 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 541 570) no Hoare annotation was computed. [2018-11-10 13:16:07,300 INFO L428 ceAbstractionStarter]: At program point L566(lines 541 570) the Hoare annotation is: true [2018-11-10 13:16:07,300 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-10 13:16:07,300 INFO L425 ceAbstractionStarter]: For program point L552(line 552) no Hoare annotation was computed. [2018-11-10 13:16:07,300 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 541 570) the Hoare annotation is: true [2018-11-10 13:16:07,300 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 559) no Hoare annotation was computed. [2018-11-10 13:16:07,300 INFO L428 ceAbstractionStarter]: At program point L555-1(lines 555 559) the Hoare annotation is: true [2018-11-10 13:16:07,300 INFO L425 ceAbstractionStarter]: For program point L551-1(lines 551 565) no Hoare annotation was computed. [2018-11-10 13:16:07,300 INFO L428 ceAbstractionStarter]: At program point L551-3(lines 551 565) the Hoare annotation is: true [2018-11-10 13:16:07,300 INFO L428 ceAbstractionStarter]: At program point L547(line 547) the Hoare annotation is: true [2018-11-10 13:16:07,300 INFO L425 ceAbstractionStarter]: For program point L547-1(line 547) no Hoare annotation was computed. [2018-11-10 13:16:07,301 INFO L428 ceAbstractionStarter]: At program point L658(line 658) the Hoare annotation is: true [2018-11-10 13:16:07,301 INFO L428 ceAbstractionStarter]: At program point L656(lines 656 662) the Hoare annotation is: true [2018-11-10 13:16:07,301 INFO L428 ceAbstractionStarter]: At program point timeShiftENTRY(lines 645 668) the Hoare annotation is: true [2018-11-10 13:16:07,301 INFO L421 ceAbstractionStarter]: At program point L651(line 651) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-10 13:16:07,301 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 645 668) no Hoare annotation was computed. [2018-11-10 13:16:07,301 INFO L425 ceAbstractionStarter]: For program point L649(lines 648 667) no Hoare annotation was computed. [2018-11-10 13:16:07,301 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 645 668) no Hoare annotation was computed. [2018-11-10 13:16:07,301 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 452 463) the Hoare annotation is: true [2018-11-10 13:16:07,301 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 452 463) no Hoare annotation was computed. [2018-11-10 13:16:07,301 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 452 463) no Hoare annotation was computed. [2018-11-10 13:16:07,302 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-10 13:16:07,302 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-10 13:16:07,306 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 13:16:07,306 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-10 13:16:07,306 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 13:16:07,306 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 13:16:07,306 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 596 602) no Hoare annotation was computed. [2018-11-10 13:16:07,306 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 596 602) the Hoare annotation is: true [2018-11-10 13:16:07,306 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 464 475) no Hoare annotation was computed. [2018-11-10 13:16:07,307 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 464 475) the Hoare annotation is: true [2018-11-10 13:16:07,307 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 464 475) no Hoare annotation was computed. [2018-11-10 13:16:07,307 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 530 537) no Hoare annotation was computed. [2018-11-10 13:16:07,307 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 534) no Hoare annotation was computed. [2018-11-10 13:16:07,307 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 530 537) the Hoare annotation is: true [2018-11-10 13:16:07,307 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 530 537) no Hoare annotation was computed. [2018-11-10 13:16:07,307 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 604 613) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 13:16:07,307 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 604 613) no Hoare annotation was computed. [2018-11-10 13:16:07,307 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 604 613) no Hoare annotation was computed. [2018-11-10 13:16:07,307 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 832 856) the Hoare annotation is: true [2018-11-10 13:16:07,307 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 832 856) no Hoare annotation was computed. [2018-11-10 13:16:07,308 INFO L421 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-10 13:16:07,308 INFO L425 ceAbstractionStarter]: For program point L844(lines 844 850) no Hoare annotation was computed. [2018-11-10 13:16:07,308 INFO L421 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-10 13:16:07,308 INFO L425 ceAbstractionStarter]: For program point L842-1(line 842) no Hoare annotation was computed. [2018-11-10 13:16:07,308 INFO L425 ceAbstractionStarter]: For program point L840(lines 840 853) no Hoare annotation was computed. [2018-11-10 13:16:07,308 INFO L425 ceAbstractionStarter]: For program point L840-1(lines 832 856) no Hoare annotation was computed. [2018-11-10 13:16:07,308 INFO L428 ceAbstractionStarter]: At program point L838(line 838) the Hoare annotation is: true [2018-11-10 13:16:07,308 INFO L425 ceAbstractionStarter]: For program point L838-1(line 838) no Hoare annotation was computed. [2018-11-10 13:16:07,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 01:16:07 BoogieIcfgContainer [2018-11-10 13:16:07,320 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 13:16:07,320 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 13:16:07,320 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 13:16:07,320 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 13:16:07,321 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:16:05" (3/4) ... [2018-11-10 13:16:07,325 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 13:16:07,331 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-10 13:16:07,332 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-10 13:16:07,332 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-10 13:16:07,332 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-10 13:16:07,332 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 13:16:07,332 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-10 13:16:07,332 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 13:16:07,332 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 13:16:07,332 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 13:16:07,332 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 13:16:07,332 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 13:16:07,332 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-10 13:16:07,333 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-10 13:16:07,333 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-10 13:16:07,333 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 13:16:07,333 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-10 13:16:07,333 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-10 13:16:07,333 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-10 13:16:07,344 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 137 nodes and edges [2018-11-10 13:16:07,344 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 13:16:07,345 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-10 13:16:07,370 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) || splverifierCounter == 0) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-10 13:16:07,370 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-10 13:16:07,404 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8e90b28b-843f-41f8-ac1a-90bd197e26ad/bin-2019/utaipan/witness.graphml [2018-11-10 13:16:07,404 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 13:16:07,404 INFO L168 Benchmark]: Toolchain (without parser) took 2794.30 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 223.3 MB). Free memory was 961.8 MB in the beginning and 1.2 GB in the end (delta: -239.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:16:07,405 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:16:07,406 INFO L168 Benchmark]: CACSL2BoogieTranslator took 284.47 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 935.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 13:16:07,406 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 935.0 MB in the beginning and 1.2 GB in the end (delta: -215.2 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-11-10 13:16:07,406 INFO L168 Benchmark]: Boogie Preprocessor took 23.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:16:07,406 INFO L168 Benchmark]: RCFGBuilder took 567.48 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: 87.4 MB). Peak memory consumption was 87.4 MB. Max. memory is 11.5 GB. [2018-11-10 13:16:07,407 INFO L168 Benchmark]: TraceAbstraction took 1749.10 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 64.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -145.9 MB). Peak memory consumption was 239.6 MB. Max. memory is 11.5 GB. [2018-11-10 13:16:07,407 INFO L168 Benchmark]: Witness Printer took 83.90 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. [2018-11-10 13:16:07,408 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 284.47 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 935.0 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 82.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 935.0 MB in the beginning and 1.2 GB in the end (delta: -215.2 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 567.48 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: 87.4 MB). Peak memory consumption was 87.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1749.10 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 64.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -145.9 MB). Peak memory consumption was 239.6 MB. Max. memory is 11.5 GB. * Witness Printer took 83.90 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 534]: 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: 777]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || splverifierCounter == 0) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 19 procedures, 96 locations, 1 error locations. SAFE Result, 1.6s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 425 SDtfs, 164 SDslu, 702 SDs, 0 SdLazy, 163 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred 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, 40 LocationsWithAnnotation, 153 PreInvPairs, 166 NumberOfFragments, 292 HoareAnnotationTreeSize, 153 FomulaSimplifications, 56 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 40 FomulaSimplificationsInter, 566 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 260 NumberOfCodeBlocks, 260 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 255 ConstructedInterpolants, 0 QuantifiedInterpolants, 24823 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...