./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product26_false-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_59aff3ae-abbd-478a-b533-19309371d973/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_59aff3ae-abbd-478a-b533-19309371d973/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_59aff3ae-abbd-478a-b533-19309371d973/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_59aff3ae-abbd-478a-b533-19309371d973/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product26_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_59aff3ae-abbd-478a-b533-19309371d973/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_59aff3ae-abbd-478a-b533-19309371d973/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 c4608a8062f27af1fb75c6b614ba3695c40f562a .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 22:31:24,716 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 22:31:24,718 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 22:31:24,726 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 22:31:24,726 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 22:31:24,727 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 22:31:24,727 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 22:31:24,728 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 22:31:24,730 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 22:31:24,730 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 22:31:24,731 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 22:31:24,731 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 22:31:24,732 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 22:31:24,732 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 22:31:24,733 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 22:31:24,734 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 22:31:24,734 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 22:31:24,736 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 22:31:24,737 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 22:31:24,738 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 22:31:24,739 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 22:31:24,739 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 22:31:24,741 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 22:31:24,741 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 22:31:24,741 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 22:31:24,742 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 22:31:24,742 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 22:31:24,743 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 22:31:24,743 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 22:31:24,744 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 22:31:24,744 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 22:31:24,745 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 22:31:24,745 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 22:31:24,745 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 22:31:24,746 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 22:31:24,746 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 22:31:24,747 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_59aff3ae-abbd-478a-b533-19309371d973/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 22:31:24,756 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 22:31:24,756 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 22:31:24,756 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 22:31:24,757 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 22:31:24,757 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 22:31:24,757 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 22:31:24,757 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 22:31:24,757 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 22:31:24,758 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 22:31:24,758 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 22:31:24,758 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 22:31:24,758 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 22:31:24,758 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 22:31:24,758 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 22:31:24,758 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 22:31:24,758 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 22:31:24,759 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 22:31:24,759 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 22:31:24,759 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 22:31:24,759 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 22:31:24,759 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 22:31:24,759 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 22:31:24,759 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 22:31:24,759 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 22:31:24,759 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 22:31:24,759 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 22:31:24,759 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 22:31:24,759 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 22:31:24,760 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 22:31:24,760 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 22:31:24,760 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_59aff3ae-abbd-478a-b533-19309371d973/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 -> c4608a8062f27af1fb75c6b614ba3695c40f562a [2018-12-08 22:31:24,784 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 22:31:24,792 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 22:31:24,795 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 22:31:24,796 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 22:31:24,796 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 22:31:24,797 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_59aff3ae-abbd-478a-b533-19309371d973/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product26_false-unreach-call_false-termination.cil.c [2018-12-08 22:31:24,838 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_59aff3ae-abbd-478a-b533-19309371d973/bin-2019/uautomizer/data/04d4a6fc8/fa5b4129581048bdbee75642c0353d2b/FLAGa769afca4 [2018-12-08 22:31:25,284 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 22:31:25,284 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_59aff3ae-abbd-478a-b533-19309371d973/sv-benchmarks/c/product-lines/minepump_spec3_product26_false-unreach-call_false-termination.cil.c [2018-12-08 22:31:25,291 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_59aff3ae-abbd-478a-b533-19309371d973/bin-2019/uautomizer/data/04d4a6fc8/fa5b4129581048bdbee75642c0353d2b/FLAGa769afca4 [2018-12-08 22:31:25,298 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_59aff3ae-abbd-478a-b533-19309371d973/bin-2019/uautomizer/data/04d4a6fc8/fa5b4129581048bdbee75642c0353d2b [2018-12-08 22:31:25,300 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 22:31:25,301 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 22:31:25,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 22:31:25,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 22:31:25,303 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 22:31:25,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:31:25" (1/1) ... [2018-12-08 22:31:25,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:31:25, skipping insertion in model container [2018-12-08 22:31:25,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:31:25" (1/1) ... [2018-12-08 22:31:25,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 22:31:25,332 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 22:31:25,479 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:31:25,487 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 22:31:25,565 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:31:25,580 INFO L195 MainTranslator]: Completed translation [2018-12-08 22:31:25,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:31:25 WrapperNode [2018-12-08 22:31:25,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 22:31:25,581 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 22:31:25,581 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 22:31:25,581 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 22:31:25,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:31:25" (1/1) ... [2018-12-08 22:31:25,595 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:31:25" (1/1) ... [2018-12-08 22:31:25,601 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 22:31:25,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 22:31:25,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 22:31:25,601 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 22:31:25,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:31:25" (1/1) ... [2018-12-08 22:31:25,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:31:25" (1/1) ... [2018-12-08 22:31:25,609 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:31:25" (1/1) ... [2018-12-08 22:31:25,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:31:25" (1/1) ... [2018-12-08 22:31:25,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:31:25" (1/1) ... [2018-12-08 22:31:25,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:31:25" (1/1) ... [2018-12-08 22:31:25,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:31:25" (1/1) ... [2018-12-08 22:31:25,623 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 22:31:25,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 22:31:25,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 22:31:25,623 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 22:31:25,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:31:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59aff3ae-abbd-478a-b533-19309371d973/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 22:31:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 22:31:25,656 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 22:31:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 22:31:25,657 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 22:31:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-08 22:31:25,657 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-08 22:31:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 22:31:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 22:31:25,657 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 22:31:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 22:31:25,657 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 22:31:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 22:31:25,657 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 22:31:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 22:31:25,657 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 22:31:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-08 22:31:25,658 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-08 22:31:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-08 22:31:25,658 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-08 22:31:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 22:31:25,658 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 22:31:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 22:31:25,658 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 22:31:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 22:31:25,658 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 22:31:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 22:31:25,658 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 22:31:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-08 22:31:25,659 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-08 22:31:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 22:31:25,659 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 22:31:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 22:31:25,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 22:31:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 22:31:25,659 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 22:31:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 22:31:25,659 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 22:31:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 22:31:25,659 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 22:31:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 22:31:25,659 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 22:31:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 22:31:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 22:31:25,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 22:31:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 22:31:25,660 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 22:31:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-08 22:31:25,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-08 22:31:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 22:31:25,660 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 22:31:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 22:31:25,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 22:31:25,953 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 22:31:25,954 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 22:31:25,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:31:25 BoogieIcfgContainer [2018-12-08 22:31:25,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 22:31:25,955 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 22:31:25,955 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 22:31:25,958 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 22:31:25,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 10:31:25" (1/3) ... [2018-12-08 22:31:25,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45a598c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:31:25, skipping insertion in model container [2018-12-08 22:31:25,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:31:25" (2/3) ... [2018-12-08 22:31:25,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45a598c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:31:25, skipping insertion in model container [2018-12-08 22:31:25,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:31:25" (3/3) ... [2018-12-08 22:31:25,960 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product26_false-unreach-call_false-termination.cil.c [2018-12-08 22:31:25,969 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 22:31:25,975 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 22:31:25,988 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 22:31:26,005 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 22:31:26,006 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 22:31:26,006 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 22:31:26,006 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 22:31:26,006 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 22:31:26,006 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 22:31:26,006 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 22:31:26,006 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 22:31:26,006 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 22:31:26,018 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states. [2018-12-08 22:31:26,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 22:31:26,024 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:31:26,024 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 22:31:26,026 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:31:26,029 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:31:26,030 INFO L82 PathProgramCache]: Analyzing trace with hash -28773460, now seen corresponding path program 1 times [2018-12-08 22:31:26,031 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 22:31:26,031 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 22:31:26,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:31:26,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:31:26,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:31:26,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:31:26,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:31:26,166 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:31:26,166 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 22:31:26,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 22:31:26,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 22:31:26,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 22:31:26,177 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 2 states. [2018-12-08 22:31:26,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:31:26,197 INFO L93 Difference]: Finished difference Result 228 states and 281 transitions. [2018-12-08 22:31:26,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 22:31:26,198 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-08 22:31:26,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:31:26,204 INFO L225 Difference]: With dead ends: 228 [2018-12-08 22:31:26,204 INFO L226 Difference]: Without dead ends: 114 [2018-12-08 22:31:26,206 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 22:31:26,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-12-08 22:31:26,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-12-08 22:31:26,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-12-08 22:31:26,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 132 transitions. [2018-12-08 22:31:26,236 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 132 transitions. Word has length 52 [2018-12-08 22:31:26,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:31:26,236 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 132 transitions. [2018-12-08 22:31:26,236 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 22:31:26,236 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 132 transitions. [2018-12-08 22:31:26,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-08 22:31:26,238 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:31:26,238 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] [2018-12-08 22:31:26,238 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:31:26,238 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:31:26,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1271582984, now seen corresponding path program 1 times [2018-12-08 22:31:26,238 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 22:31:26,239 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 22:31:26,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:31:26,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:31:26,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:31:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:31:26,293 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 22:31:26,293 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:31:26,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 22:31:26,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 22:31:26,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 22:31:26,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 22:31:26,295 INFO L87 Difference]: Start difference. First operand 114 states and 132 transitions. Second operand 3 states. [2018-12-08 22:31:26,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:31:26,306 INFO L93 Difference]: Finished difference Result 173 states and 199 transitions. [2018-12-08 22:31:26,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 22:31:26,306 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-08 22:31:26,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:31:26,307 INFO L225 Difference]: With dead ends: 173 [2018-12-08 22:31:26,307 INFO L226 Difference]: Without dead ends: 105 [2018-12-08 22:31:26,308 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 22:31:26,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-12-08 22:31:26,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-12-08 22:31:26,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-12-08 22:31:26,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 120 transitions. [2018-12-08 22:31:26,315 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 120 transitions. Word has length 53 [2018-12-08 22:31:26,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:31:26,315 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 120 transitions. [2018-12-08 22:31:26,315 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 22:31:26,315 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 120 transitions. [2018-12-08 22:31:26,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-08 22:31:26,316 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:31:26,316 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] [2018-12-08 22:31:26,316 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:31:26,316 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:31:26,316 INFO L82 PathProgramCache]: Analyzing trace with hash -1096031115, now seen corresponding path program 1 times [2018-12-08 22:31:26,316 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 22:31:26,316 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 22:31:26,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:31:26,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:31:26,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:31:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:31:26,378 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 22:31:26,378 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:31:26,378 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 22:31:26,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 22:31:26,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 22:31:26,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 22:31:26,379 INFO L87 Difference]: Start difference. First operand 105 states and 120 transitions. Second operand 3 states. [2018-12-08 22:31:26,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:31:26,394 INFO L93 Difference]: Finished difference Result 186 states and 217 transitions. [2018-12-08 22:31:26,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 22:31:26,395 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2018-12-08 22:31:26,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:31:26,396 INFO L225 Difference]: With dead ends: 186 [2018-12-08 22:31:26,396 INFO L226 Difference]: Without dead ends: 105 [2018-12-08 22:31:26,397 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 22:31:26,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-12-08 22:31:26,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-12-08 22:31:26,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-12-08 22:31:26,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 119 transitions. [2018-12-08 22:31:26,407 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 119 transitions. Word has length 58 [2018-12-08 22:31:26,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:31:26,407 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 119 transitions. [2018-12-08 22:31:26,407 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 22:31:26,407 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 119 transitions. [2018-12-08 22:31:26,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 22:31:26,409 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:31:26,409 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] [2018-12-08 22:31:26,409 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:31:26,409 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:31:26,410 INFO L82 PathProgramCache]: Analyzing trace with hash -147110132, now seen corresponding path program 1 times [2018-12-08 22:31:26,410 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 22:31:26,410 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 22:31:26,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:31:26,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:31:26,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:31:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:31:26,498 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 22:31:26,499 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:31:26,499 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 22:31:26,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 22:31:26,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 22:31:26,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 22:31:26,500 INFO L87 Difference]: Start difference. First operand 105 states and 119 transitions. Second operand 6 states. [2018-12-08 22:31:26,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:31:26,619 INFO L93 Difference]: Finished difference Result 256 states and 305 transitions. [2018-12-08 22:31:26,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 22:31:26,619 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2018-12-08 22:31:26,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:31:26,621 INFO L225 Difference]: With dead ends: 256 [2018-12-08 22:31:26,621 INFO L226 Difference]: Without dead ends: 175 [2018-12-08 22:31:26,622 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 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 22:31:26,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2018-12-08 22:31:26,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 173. [2018-12-08 22:31:26,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2018-12-08 22:31:26,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 201 transitions. [2018-12-08 22:31:26,635 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 201 transitions. Word has length 66 [2018-12-08 22:31:26,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:31:26,635 INFO L480 AbstractCegarLoop]: Abstraction has 173 states and 201 transitions. [2018-12-08 22:31:26,635 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 22:31:26,635 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 201 transitions. [2018-12-08 22:31:26,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 22:31:26,637 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:31:26,637 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, 1, 1] [2018-12-08 22:31:26,637 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:31:26,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:31:26,638 INFO L82 PathProgramCache]: Analyzing trace with hash 2116578610, now seen corresponding path program 1 times [2018-12-08 22:31:26,638 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 22:31:26,638 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 22:31:26,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:31:26,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:31:26,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:31:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:31:26,673 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 22:31:26,674 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:31:26,674 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 22:31:26,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 22:31:26,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 22:31:26,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 22:31:26,675 INFO L87 Difference]: Start difference. First operand 173 states and 201 transitions. Second operand 3 states. [2018-12-08 22:31:26,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:31:26,685 INFO L93 Difference]: Finished difference Result 280 states and 332 transitions. [2018-12-08 22:31:26,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 22:31:26,686 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2018-12-08 22:31:26,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:31:26,687 INFO L225 Difference]: With dead ends: 280 [2018-12-08 22:31:26,687 INFO L226 Difference]: Without dead ends: 131 [2018-12-08 22:31:26,687 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 22:31:26,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-12-08 22:31:26,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-12-08 22:31:26,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-12-08 22:31:26,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 146 transitions. [2018-12-08 22:31:26,695 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 146 transitions. Word has length 70 [2018-12-08 22:31:26,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:31:26,695 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 146 transitions. [2018-12-08 22:31:26,696 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 22:31:26,696 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 146 transitions. [2018-12-08 22:31:26,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 22:31:26,697 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:31:26,697 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, 1, 1] [2018-12-08 22:31:26,697 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:31:26,697 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:31:26,698 INFO L82 PathProgramCache]: Analyzing trace with hash 346906054, now seen corresponding path program 1 times [2018-12-08 22:31:26,698 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 22:31:26,698 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 22:31:26,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:31:26,698 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:31:26,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:31:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 22:31:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 22:31:26,771 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 22:31:26,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 10:31:26 BoogieIcfgContainer [2018-12-08 22:31:26,829 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 22:31:26,830 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 22:31:26,830 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 22:31:26,830 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 22:31:26,830 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:31:25" (3/4) ... [2018-12-08 22:31:26,832 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 22:31:26,890 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_59aff3ae-abbd-478a-b533-19309371d973/bin-2019/uautomizer/witness.graphml [2018-12-08 22:31:26,890 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 22:31:26,891 INFO L168 Benchmark]: Toolchain (without parser) took 1590.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 957.1 MB in the beginning and 871.4 MB in the end (delta: 85.7 MB). Peak memory consumption was 227.7 MB. Max. memory is 11.5 GB. [2018-12-08 22:31:26,891 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:31:26,892 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -169.1 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2018-12-08 22:31:26,892 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:31:26,892 INFO L168 Benchmark]: Boogie Preprocessor took 21.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:31:26,892 INFO L168 Benchmark]: RCFGBuilder took 331.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 48.9 MB). Peak memory consumption was 48.9 MB. Max. memory is 11.5 GB. [2018-12-08 22:31:26,892 INFO L168 Benchmark]: TraceAbstraction took 874.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 891.9 MB in the end (delta: 185.4 MB). Peak memory consumption was 185.4 MB. Max. memory is 11.5 GB. [2018-12-08 22:31:26,893 INFO L168 Benchmark]: Witness Printer took 60.53 ms. Allocated memory is still 1.2 GB. Free memory was 891.9 MB in the beginning and 871.4 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2018-12-08 22:31:26,894 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 279.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -169.1 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 331.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 48.9 MB). Peak memory consumption was 48.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 874.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 891.9 MB in the end (delta: 185.4 MB). Peak memory consumption was 185.4 MB. Max. memory is 11.5 GB. * Witness Printer took 60.53 ms. Allocated memory is still 1.2 GB. Free memory was 891.9 MB in the beginning and 871.4 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 643]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L184] int waterLevel = 1; [L185] int methaneLevelCritical = 0; [L442] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L652] int pumpRunning = 0; [L653] int systemActive = 1; [L121] int retValue_acc ; [L122] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L126] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L127] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L128] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L170] int retValue_acc ; [L173] retValue_acc = 1 [L174] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L128] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L132] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L133] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L112] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L832] int splverifierCounter ; [L833] int tmp ; [L834] int tmp___0 ; [L835] int tmp___1 ; [L836] int tmp___2 ; [L839] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L841] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L843] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L849] tmp = __VERIFIER_nondet_int() [L851] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L853] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L202] COND TRUE waterLevel < 2 [L203] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L853] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L859] tmp___0 = __VERIFIER_nondet_int() [L861] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L869] tmp___2 = __VERIFIER_nondet_int() [L871] COND FALSE !(\read(tmp___2)) [L877] tmp___1 = __VERIFIER_nondet_int() [L879] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L886] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L660] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L667] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L669] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L689] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L692] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L707] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L669] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L675] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L899] int tmp ; [L900] int tmp___0 ; [L901] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L905] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L223] int retValue_acc ; [L226] retValue_acc = methaneLevelCritical [L227] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L905] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L905] tmp = isMethaneLevelCritical() [L907] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L911] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L255] int retValue_acc ; [L258] retValue_acc = waterLevel [L259] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L911] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L911] tmp___0 = getWaterLevel() [L913] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L915] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L759] int retValue_acc ; [L762] retValue_acc = pumpRunning [L763] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L915] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L915] tmp___1 = isPumpRunning() [L917] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L921] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L643] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 127 locations, 1 error locations. UNSAFE Result, 0.8s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 598 SDtfs, 238 SDslu, 534 SDs, 0 SdLazy, 81 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=173occurred 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: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 369 NumberOfCodeBlocks, 369 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 294 ConstructedInterpolants, 0 QuantifiedInterpolants, 30015 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 incorrect! Received shutdown request...