./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product05_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c8fac3c1-b4a5-4008-b10e-a19f86f6e368/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c8fac3c1-b4a5-4008-b10e-a19f86f6e368/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c8fac3c1-b4a5-4008-b10e-a19f86f6e368/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c8fac3c1-b4a5-4008-b10e-a19f86f6e368/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product05_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c8fac3c1-b4a5-4008-b10e-a19f86f6e368/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c8fac3c1-b4a5-4008-b10e-a19f86f6e368/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 384c0d348196326a7d81e106f1c497f9cd3f1b7c ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 10:35:11,261 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 10:35:11,262 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 10:35:11,270 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 10:35:11,270 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 10:35:11,271 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 10:35:11,272 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 10:35:11,273 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 10:35:11,274 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 10:35:11,274 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 10:35:11,275 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 10:35:11,275 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 10:35:11,276 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 10:35:11,276 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 10:35:11,277 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 10:35:11,278 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 10:35:11,278 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 10:35:11,280 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 10:35:11,281 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 10:35:11,282 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 10:35:11,283 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 10:35:11,283 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 10:35:11,285 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 10:35:11,285 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 10:35:11,285 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 10:35:11,286 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 10:35:11,286 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 10:35:11,287 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 10:35:11,287 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 10:35:11,288 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 10:35:11,288 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 10:35:11,288 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 10:35:11,288 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 10:35:11,288 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 10:35:11,289 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 10:35:11,290 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 10:35:11,290 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c8fac3c1-b4a5-4008-b10e-a19f86f6e368/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 10:35:11,297 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 10:35:11,297 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 10:35:11,298 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 10:35:11,298 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 10:35:11,298 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 10:35:11,298 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 10:35:11,298 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 10:35:11,298 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 10:35:11,298 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 10:35:11,298 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 10:35:11,299 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 10:35:11,299 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 10:35:11,299 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 10:35:11,299 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 10:35:11,299 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 10:35:11,299 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 10:35:11,299 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 10:35:11,299 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 10:35:11,299 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 10:35:11,299 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 10:35:11,299 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 10:35:11,299 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 10:35:11,299 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 10:35:11,300 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 10:35:11,300 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 10:35:11,300 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 10:35:11,300 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 10:35:11,300 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 10:35:11,300 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 10:35:11,300 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 10:35:11,300 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_c8fac3c1-b4a5-4008-b10e-a19f86f6e368/bin-2019/uautomizer 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 -> Automizer 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 -> 384c0d348196326a7d81e106f1c497f9cd3f1b7c [2018-12-08 10:35:11,323 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 10:35:11,330 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 10:35:11,332 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 10:35:11,333 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 10:35:11,333 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 10:35:11,333 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c8fac3c1-b4a5-4008-b10e-a19f86f6e368/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product05_true-unreach-call_false-termination.cil.c [2018-12-08 10:35:11,370 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c8fac3c1-b4a5-4008-b10e-a19f86f6e368/bin-2019/uautomizer/data/a2b74f2de/2e1570c6f39b449984090512d70b8df7/FLAG511229317 [2018-12-08 10:35:11,708 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 10:35:11,708 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c8fac3c1-b4a5-4008-b10e-a19f86f6e368/sv-benchmarks/c/product-lines/minepump_spec2_product05_true-unreach-call_false-termination.cil.c [2018-12-08 10:35:11,715 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c8fac3c1-b4a5-4008-b10e-a19f86f6e368/bin-2019/uautomizer/data/a2b74f2de/2e1570c6f39b449984090512d70b8df7/FLAG511229317 [2018-12-08 10:35:11,723 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c8fac3c1-b4a5-4008-b10e-a19f86f6e368/bin-2019/uautomizer/data/a2b74f2de/2e1570c6f39b449984090512d70b8df7 [2018-12-08 10:35:11,725 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 10:35:11,726 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 10:35:11,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 10:35:11,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 10:35:11,729 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 10:35:11,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:35:11" (1/1) ... [2018-12-08 10:35:11,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:35:11, skipping insertion in model container [2018-12-08 10:35:11,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:35:11" (1/1) ... [2018-12-08 10:35:11,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 10:35:11,755 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 10:35:11,896 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 10:35:11,904 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 10:35:11,992 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 10:35:12,008 INFO L195 MainTranslator]: Completed translation [2018-12-08 10:35:12,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:35:12 WrapperNode [2018-12-08 10:35:12,009 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 10:35:12,009 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 10:35:12,009 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 10:35:12,009 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 10:35:12,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:35:12" (1/1) ... [2018-12-08 10:35:12,025 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:35:12" (1/1) ... [2018-12-08 10:35:12,032 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 10:35:12,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 10:35:12,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 10:35:12,033 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 10:35:12,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:35:12" (1/1) ... [2018-12-08 10:35:12,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:35:12" (1/1) ... [2018-12-08 10:35:12,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:35:12" (1/1) ... [2018-12-08 10:35:12,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:35:12" (1/1) ... [2018-12-08 10:35:12,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:35:12" (1/1) ... [2018-12-08 10:35:12,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:35:12" (1/1) ... [2018-12-08 10:35:12,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:35:12" (1/1) ... [2018-12-08 10:35:12,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 10:35:12,060 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 10:35:12,060 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 10:35:12,061 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 10:35:12,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:35:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c8fac3c1-b4a5-4008-b10e-a19f86f6e368/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 10:35:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 10:35:12,096 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 10:35:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 10:35:12,097 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 10:35:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 10:35:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 10:35:12,097 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 10:35:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 10:35:12,097 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 10:35:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 10:35:12,097 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 10:35:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 10:35:12,098 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 10:35:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-08 10:35:12,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-08 10:35:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-08 10:35:12,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-08 10:35:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 10:35:12,098 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 10:35:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 10:35:12,099 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 10:35:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 10:35:12,099 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 10:35:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 10:35:12,099 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 10:35:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 10:35:12,099 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 10:35:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 10:35:12,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 10:35:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 10:35:12,099 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 10:35:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 10:35:12,100 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 10:35:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 10:35:12,100 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 10:35:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 10:35:12,100 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 10:35:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 10:35:12,100 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 10:35:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 10:35:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 10:35:12,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 10:35:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 10:35:12,100 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 10:35:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 10:35:12,101 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 10:35:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 10:35:12,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 10:35:12,363 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 10:35:12,363 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 10:35:12,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:35:12 BoogieIcfgContainer [2018-12-08 10:35:12,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 10:35:12,364 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 10:35:12,364 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 10:35:12,366 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 10:35:12,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 10:35:11" (1/3) ... [2018-12-08 10:35:12,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@215e6eb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:35:12, skipping insertion in model container [2018-12-08 10:35:12,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:35:12" (2/3) ... [2018-12-08 10:35:12,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@215e6eb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:35:12, skipping insertion in model container [2018-12-08 10:35:12,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:35:12" (3/3) ... [2018-12-08 10:35:12,368 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product05_true-unreach-call_false-termination.cil.c [2018-12-08 10:35:12,373 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 10:35:12,378 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 10:35:12,386 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 10:35:12,403 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 10:35:12,404 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 10:35:12,404 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 10:35:12,404 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 10:35:12,404 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 10:35:12,404 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 10:35:12,404 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 10:35:12,404 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 10:35:12,405 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 10:35:12,416 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2018-12-08 10:35:12,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 10:35:12,420 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:35:12,421 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:35:12,422 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:35:12,426 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:35:12,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1783987143, now seen corresponding path program 1 times [2018-12-08 10:35:12,427 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:35:12,427 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:35:12,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:35:12,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:35:12,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:35:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:35:12,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:35:12,567 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:35:12,567 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 10:35:12,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 10:35:12,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 10:35:12,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 10:35:12,579 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2018-12-08 10:35:12,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:35:12,598 INFO L93 Difference]: Finished difference Result 204 states and 257 transitions. [2018-12-08 10:35:12,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 10:35:12,599 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-08 10:35:12,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:35:12,606 INFO L225 Difference]: With dead ends: 204 [2018-12-08 10:35:12,606 INFO L226 Difference]: Without dead ends: 104 [2018-12-08 10:35:12,608 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 10:35:12,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-12-08 10:35:12,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-12-08 10:35:12,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-12-08 10:35:12,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 122 transitions. [2018-12-08 10:35:12,636 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 122 transitions. Word has length 51 [2018-12-08 10:35:12,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:35:12,636 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 122 transitions. [2018-12-08 10:35:12,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 10:35:12,636 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 122 transitions. [2018-12-08 10:35:12,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 10:35:12,637 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:35:12,638 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:35:12,638 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:35:12,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:35:12,638 INFO L82 PathProgramCache]: Analyzing trace with hash -837395500, now seen corresponding path program 1 times [2018-12-08 10:35:12,638 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:35:12,638 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:35:12,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:35:12,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:35:12,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:35:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:35:12,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:35:12,697 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:35:12,697 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 10:35:12,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 10:35:12,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 10:35:12,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 10:35:12,699 INFO L87 Difference]: Start difference. First operand 104 states and 122 transitions. Second operand 3 states. [2018-12-08 10:35:12,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:35:12,714 INFO L93 Difference]: Finished difference Result 153 states and 179 transitions. [2018-12-08 10:35:12,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 10:35:12,715 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-08 10:35:12,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:35:12,716 INFO L225 Difference]: With dead ends: 153 [2018-12-08 10:35:12,716 INFO L226 Difference]: Without dead ends: 95 [2018-12-08 10:35:12,717 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 10:35:12,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-12-08 10:35:12,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-12-08 10:35:12,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-12-08 10:35:12,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 110 transitions. [2018-12-08 10:35:12,727 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 110 transitions. Word has length 52 [2018-12-08 10:35:12,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:35:12,727 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 110 transitions. [2018-12-08 10:35:12,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 10:35:12,727 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2018-12-08 10:35:12,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-08 10:35:12,729 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:35:12,729 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:35:12,729 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:35:12,729 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:35:12,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1859912798, now seen corresponding path program 1 times [2018-12-08 10:35:12,729 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:35:12,729 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:35:12,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:35:12,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:35:12,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:35:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:35:12,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:35:12,820 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:35:12,820 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 10:35:12,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 10:35:12,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 10:35:12,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 10:35:12,821 INFO L87 Difference]: Start difference. First operand 95 states and 110 transitions. Second operand 7 states. [2018-12-08 10:35:12,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:35:12,957 INFO L93 Difference]: Finished difference Result 162 states and 193 transitions. [2018-12-08 10:35:12,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 10:35:12,957 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-08 10:35:12,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:35:12,958 INFO L225 Difference]: With dead ends: 162 [2018-12-08 10:35:12,958 INFO L226 Difference]: Without dead ends: 95 [2018-12-08 10:35:12,959 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 10:35:12,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-12-08 10:35:12,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-12-08 10:35:12,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-12-08 10:35:12,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2018-12-08 10:35:12,964 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 56 [2018-12-08 10:35:12,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:35:12,965 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2018-12-08 10:35:12,965 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 10:35:12,965 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2018-12-08 10:35:12,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-08 10:35:12,966 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:35:12,966 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:35:12,966 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:35:12,966 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:35:12,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1652401263, now seen corresponding path program 1 times [2018-12-08 10:35:12,966 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:35:12,966 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:35:12,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:35:12,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:35:12,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:35:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:35:13,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:35:13,019 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:35:13,019 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 10:35:13,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 10:35:13,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 10:35:13,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 10:35:13,020 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 6 states. [2018-12-08 10:35:13,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:35:13,125 INFO L93 Difference]: Finished difference Result 221 states and 266 transitions. [2018-12-08 10:35:13,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 10:35:13,126 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2018-12-08 10:35:13,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:35:13,128 INFO L225 Difference]: With dead ends: 221 [2018-12-08 10:35:13,128 INFO L226 Difference]: Without dead ends: 154 [2018-12-08 10:35:13,129 INFO L631 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 [2018-12-08 10:35:13,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-12-08 10:35:13,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 152. [2018-12-08 10:35:13,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-12-08 10:35:13,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 178 transitions. [2018-12-08 10:35:13,145 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 178 transitions. Word has length 64 [2018-12-08 10:35:13,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:35:13,146 INFO L480 AbstractCegarLoop]: Abstraction has 152 states and 178 transitions. [2018-12-08 10:35:13,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 10:35:13,146 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 178 transitions. [2018-12-08 10:35:13,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-08 10:35:13,148 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:35:13,148 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:35:13,148 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:35:13,148 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:35:13,148 INFO L82 PathProgramCache]: Analyzing trace with hash 619446251, now seen corresponding path program 1 times [2018-12-08 10:35:13,148 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:35:13,149 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:35:13,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:35:13,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:35:13,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:35:13,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:35:13,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:35:13,209 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:35:13,209 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 10:35:13,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 10:35:13,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 10:35:13,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 10:35:13,209 INFO L87 Difference]: Start difference. First operand 152 states and 178 transitions. Second operand 7 states. [2018-12-08 10:35:13,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:35:13,377 INFO L93 Difference]: Finished difference Result 240 states and 289 transitions. [2018-12-08 10:35:13,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 10:35:13,378 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 68 [2018-12-08 10:35:13,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:35:13,378 INFO L225 Difference]: With dead ends: 240 [2018-12-08 10:35:13,378 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 10:35:13,380 INFO L631 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 [2018-12-08 10:35:13,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 10:35:13,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 10:35:13,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 10:35:13,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 10:35:13,381 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2018-12-08 10:35:13,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:35:13,381 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 10:35:13,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 10:35:13,381 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 10:35:13,381 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 10:35:13,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 10:35:13,794 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 325 332) the Hoare annotation is: true [2018-12-08 10:35:13,794 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 325 332) no Hoare annotation was computed. [2018-12-08 10:35:13,794 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 325 332) no Hoare annotation was computed. [2018-12-08 10:35:13,794 INFO L444 ceAbstractionStarter]: At program point L311(line 311) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-08 10:35:13,794 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 292 316) no Hoare annotation was computed. [2018-12-08 10:35:13,794 INFO L448 ceAbstractionStarter]: For program point L311-1(lines 292 316) no Hoare annotation was computed. [2018-12-08 10:35:13,794 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 292 316) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-08 10:35:13,794 INFO L444 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-08 10:35:13,794 INFO L444 ceAbstractionStarter]: At program point L302(line 302) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-08 10:35:13,794 INFO L448 ceAbstractionStarter]: For program point L300(lines 300 308) no Hoare annotation was computed. [2018-12-08 10:35:13,794 INFO L444 ceAbstractionStarter]: At program point L298(line 298) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-08 10:35:13,795 INFO L448 ceAbstractionStarter]: For program point L298-1(line 298) no Hoare annotation was computed. [2018-12-08 10:35:13,795 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 313) no Hoare annotation was computed. [2018-12-08 10:35:13,795 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 408 414) the Hoare annotation is: true [2018-12-08 10:35:13,795 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 408 414) no Hoare annotation was computed. [2018-12-08 10:35:13,795 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 284 290) no Hoare annotation was computed. [2018-12-08 10:35:13,795 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 284 290) the Hoare annotation is: true [2018-12-08 10:35:13,795 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 415 423) no Hoare annotation was computed. [2018-12-08 10:35:13,795 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 415 423) the Hoare annotation is: true [2018-12-08 10:35:13,795 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 415 423) no Hoare annotation was computed. [2018-12-08 10:35:13,795 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 188 251) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 10:35:13,795 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 188 251) no Hoare annotation was computed. [2018-12-08 10:35:13,795 INFO L444 ceAbstractionStarter]: At program point L244(lines 197 245) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 10:35:13,795 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2018-12-08 10:35:13,795 INFO L444 ceAbstractionStarter]: At program point L234-2(lines 228 239) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-08 10:35:13,795 INFO L448 ceAbstractionStarter]: For program point L199(lines 198 243) no Hoare annotation was computed. [2018-12-08 10:35:13,795 INFO L448 ceAbstractionStarter]: For program point L228(lines 228 239) no Hoare annotation was computed. [2018-12-08 10:35:13,795 INFO L444 ceAbstractionStarter]: At program point L220(line 220) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-08 10:35:13,795 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 224) no Hoare annotation was computed. [2018-12-08 10:35:13,796 INFO L448 ceAbstractionStarter]: For program point L218-1(lines 218 224) no Hoare annotation was computed. [2018-12-08 10:35:13,796 INFO L444 ceAbstractionStarter]: At program point L210(line 210) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-08 10:35:13,796 INFO L444 ceAbstractionStarter]: At program point L241(lines 198 243) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-08 10:35:13,796 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 214) no Hoare annotation was computed. [2018-12-08 10:35:13,796 INFO L448 ceAbstractionStarter]: For program point L208-1(lines 208 214) no Hoare annotation was computed. [2018-12-08 10:35:13,796 INFO L448 ceAbstractionStarter]: For program point L200(lines 200 204) no Hoare annotation was computed. [2018-12-08 10:35:13,796 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 188 251) no Hoare annotation was computed. [2018-12-08 10:35:13,796 INFO L444 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 10:35:13,796 INFO L444 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 10:35:13,796 INFO L444 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 10:35:13,796 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 10:35:13,796 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2018-12-08 10:35:13,796 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2018-12-08 10:35:13,796 INFO L444 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 10:35:13,796 INFO L444 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 10:35:13,796 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2018-12-08 10:35:13,797 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2018-12-08 10:35:13,797 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-08 10:35:13,797 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 344 352) no Hoare annotation was computed. [2018-12-08 10:35:13,797 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 344 352) the Hoare annotation is: true [2018-12-08 10:35:13,797 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 344 352) no Hoare annotation was computed. [2018-12-08 10:35:13,797 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 158 186) the Hoare annotation is: true [2018-12-08 10:35:13,797 INFO L444 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-12-08 10:35:13,797 INFO L448 ceAbstractionStarter]: For program point L171(lines 171 177) no Hoare annotation was computed. [2018-12-08 10:35:13,797 INFO L448 ceAbstractionStarter]: For program point L170(lines 170 180) no Hoare annotation was computed. [2018-12-08 10:35:13,797 INFO L444 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-08 10:35:13,797 INFO L448 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2018-12-08 10:35:13,797 INFO L448 ceAbstractionStarter]: For program point L166(lines 166 183) no Hoare annotation was computed. [2018-12-08 10:35:13,797 INFO L448 ceAbstractionStarter]: For program point L166-1(lines 158 186) no Hoare annotation was computed. [2018-12-08 10:35:13,797 INFO L451 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: true [2018-12-08 10:35:13,797 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 158 186) no Hoare annotation was computed. [2018-12-08 10:35:13,797 INFO L448 ceAbstractionStarter]: For program point L164-1(line 164) no Hoare annotation was computed. [2018-12-08 10:35:13,797 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 150 157) the Hoare annotation is: true [2018-12-08 10:35:13,797 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 150 157) no Hoare annotation was computed. [2018-12-08 10:35:13,797 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 150 157) no Hoare annotation was computed. [2018-12-08 10:35:13,797 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 10:35:13,797 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-08 10:35:13,798 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 10:35:13,798 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 452 463) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 10:35:13,798 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 452 463) no Hoare annotation was computed. [2018-12-08 10:35:13,798 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 452 463) no Hoare annotation was computed. [2018-12-08 10:35:13,798 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 464 472) the Hoare annotation is: true [2018-12-08 10:35:13,798 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 464 472) no Hoare annotation was computed. [2018-12-08 10:35:13,798 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 464 472) no Hoare annotation was computed. [2018-12-08 10:35:13,798 INFO L444 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-08 10:35:13,798 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 260 283) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-08 10:35:13,798 INFO L444 ceAbstractionStarter]: At program point L271(lines 271 277) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-08 10:35:13,798 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 260 283) no Hoare annotation was computed. [2018-12-08 10:35:13,798 INFO L444 ceAbstractionStarter]: At program point L266(line 266) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-08 10:35:13,798 INFO L448 ceAbstractionStarter]: For program point L264(lines 263 282) no Hoare annotation was computed. [2018-12-08 10:35:13,798 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 260 283) no Hoare annotation was computed. [2018-12-08 10:35:13,798 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-12-08 10:35:13,798 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-08 10:35:13,798 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-12-08 10:35:13,798 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-08 10:35:13,799 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-12-08 10:35:13,799 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-12-08 10:35:13,799 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-12-08 10:35:13,799 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-12-08 10:35:13,799 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-12-08 10:35:13,799 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-12-08 10:35:13,799 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 428 439) no Hoare annotation was computed. [2018-12-08 10:35:13,799 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 428 439) the Hoare annotation is: true [2018-12-08 10:35:13,799 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 428 439) no Hoare annotation was computed. [2018-12-08 10:35:13,799 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 401 407) no Hoare annotation was computed. [2018-12-08 10:35:13,799 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 401 407) the Hoare annotation is: true [2018-12-08 10:35:13,799 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-08 10:35:13,799 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-12-08 10:35:13,799 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 10:35:13,799 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-12-08 10:35:13,799 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 10:35:13,799 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 10:35:13,799 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 440 451) no Hoare annotation was computed. [2018-12-08 10:35:13,799 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 440 451) no Hoare annotation was computed. [2018-12-08 10:35:13,799 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 440 451) the Hoare annotation is: true [2018-12-08 10:35:13,799 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 506 513) no Hoare annotation was computed. [2018-12-08 10:35:13,800 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 506 513) the Hoare annotation is: true [2018-12-08 10:35:13,800 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 510) no Hoare annotation was computed. [2018-12-08 10:35:13,800 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 506 513) no Hoare annotation was computed. [2018-12-08 10:35:13,800 INFO L444 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 10:35:13,800 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 10:35:13,800 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2018-12-08 10:35:13,800 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2018-12-08 10:35:13,800 INFO L448 ceAbstractionStarter]: For program point L338-1(line 338) no Hoare annotation was computed. [2018-12-08 10:35:13,800 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 333 343) the Hoare annotation is: true [2018-12-08 10:35:13,800 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 333 343) no Hoare annotation was computed. [2018-12-08 10:35:13,800 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 333 343) no Hoare annotation was computed. [2018-12-08 10:35:13,800 INFO L451 ceAbstractionStarter]: At program point L338(line 338) the Hoare annotation is: true [2018-12-08 10:35:13,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 10:35:13 BoogieIcfgContainer [2018-12-08 10:35:13,807 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 10:35:13,807 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 10:35:13,807 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 10:35:13,807 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 10:35:13,807 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:35:12" (3/4) ... [2018-12-08 10:35:13,810 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 10:35:13,813 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 10:35:13,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 10:35:13,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 10:35:13,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 10:35:13,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 10:35:13,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 10:35:13,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 10:35:13,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 10:35:13,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-08 10:35:13,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-08 10:35:13,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 10:35:13,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 10:35:13,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 10:35:13,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 10:35:13,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 10:35:13,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 10:35:13,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 10:35:13,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 10:35:13,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 10:35:13,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 10:35:13,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 10:35:13,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 10:35:13,818 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-12-08 10:35:13,819 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 10:35:13,819 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 10:35:13,819 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 10:35:13,819 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 10:35:13,819 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 10:35:13,836 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) [2018-12-08 10:35:13,836 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 10:35:13,855 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c8fac3c1-b4a5-4008-b10e-a19f86f6e368/bin-2019/uautomizer/witness.graphml [2018-12-08 10:35:13,855 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 10:35:13,855 INFO L168 Benchmark]: Toolchain (without parser) took 2129.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.9 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -197.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 10:35:13,856 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 10:35:13,856 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -141.6 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-12-08 10:35:13,856 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.32 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 10:35:13,856 INFO L168 Benchmark]: Boogie Preprocessor took 27.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-08 10:35:13,856 INFO L168 Benchmark]: RCFGBuilder took 303.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 11.5 GB. [2018-12-08 10:35:13,857 INFO L168 Benchmark]: TraceAbstraction took 1442.96 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 85.5 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -112.6 MB). Peak memory consumption was 299.3 MB. Max. memory is 11.5 GB. [2018-12-08 10:35:13,857 INFO L168 Benchmark]: Witness Printer took 47.68 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: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. [2018-12-08 10:35:13,858 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 282.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -141.6 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.32 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 303.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1442.96 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 85.5 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -112.6 MB). Peak memory consumption was 299.3 MB. Max. memory is 11.5 GB. * Witness Printer took 47.68 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: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 510]: 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: 198]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 117 locations, 1 error locations. SAFE Result, 1.4s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 530 SDtfs, 252 SDslu, 817 SDs, 0 SdLazy, 318 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=152occurred 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, 50 LocationsWithAnnotation, 225 PreInvPairs, 238 NumberOfFragments, 448 HoareAnnotationTreeSize, 225 FomulaSimplifications, 68 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 50 FomulaSimplificationsInter, 736 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 291 NumberOfCodeBlocks, 291 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 286 ConstructedInterpolants, 0 QuantifiedInterpolants, 30424 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...