./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product10_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7a0d1f19-92e8-4fe7-8e77-41fd8aca16f3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7a0d1f19-92e8-4fe7-8e77-41fd8aca16f3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7a0d1f19-92e8-4fe7-8e77-41fd8aca16f3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7a0d1f19-92e8-4fe7-8e77-41fd8aca16f3/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product10_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7a0d1f19-92e8-4fe7-8e77-41fd8aca16f3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7a0d1f19-92e8-4fe7-8e77-41fd8aca16f3/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 e860f9a133bb6d76e1501dcd276032def5c8511b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 09:24:11,704 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 09:24:11,705 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 09:24:11,713 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 09:24:11,713 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 09:24:11,714 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 09:24:11,715 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 09:24:11,716 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 09:24:11,717 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 09:24:11,718 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 09:24:11,718 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 09:24:11,718 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 09:24:11,719 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 09:24:11,720 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 09:24:11,721 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 09:24:11,721 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 09:24:11,722 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 09:24:11,723 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 09:24:11,724 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 09:24:11,726 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 09:24:11,726 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 09:24:11,727 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 09:24:11,729 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 09:24:11,729 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 09:24:11,729 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 09:24:11,730 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 09:24:11,731 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 09:24:11,731 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 09:24:11,732 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 09:24:11,733 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 09:24:11,733 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 09:24:11,733 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 09:24:11,733 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 09:24:11,734 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 09:24:11,734 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 09:24:11,735 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 09:24:11,735 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7a0d1f19-92e8-4fe7-8e77-41fd8aca16f3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 09:24:11,743 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 09:24:11,743 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 09:24:11,744 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 09:24:11,744 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 09:24:11,745 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 09:24:11,745 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 09:24:11,745 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 09:24:11,745 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 09:24:11,745 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 09:24:11,745 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 09:24:11,745 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 09:24:11,746 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 09:24:11,746 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 09:24:11,746 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 09:24:11,746 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 09:24:11,746 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 09:24:11,746 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 09:24:11,747 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 09:24:11,747 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 09:24:11,747 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 09:24:11,747 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 09:24:11,747 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 09:24:11,747 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 09:24:11,747 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 09:24:11,748 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 09:24:11,748 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 09:24:11,748 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 09:24:11,748 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 09:24:11,748 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 09:24:11,748 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 09:24:11,749 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_7a0d1f19-92e8-4fe7-8e77-41fd8aca16f3/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 -> e860f9a133bb6d76e1501dcd276032def5c8511b [2018-11-23 09:24:11,772 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 09:24:11,781 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 09:24:11,784 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 09:24:11,785 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 09:24:11,785 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 09:24:11,786 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7a0d1f19-92e8-4fe7-8e77-41fd8aca16f3/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product10_true-unreach-call_false-termination.cil.c [2018-11-23 09:24:11,826 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7a0d1f19-92e8-4fe7-8e77-41fd8aca16f3/bin-2019/uautomizer/data/38b4b2022/35171c6713844eee830580494aeb404d/FLAG866e9523e [2018-11-23 09:24:12,258 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 09:24:12,259 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7a0d1f19-92e8-4fe7-8e77-41fd8aca16f3/sv-benchmarks/c/product-lines/minepump_spec1_product10_true-unreach-call_false-termination.cil.c [2018-11-23 09:24:12,265 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7a0d1f19-92e8-4fe7-8e77-41fd8aca16f3/bin-2019/uautomizer/data/38b4b2022/35171c6713844eee830580494aeb404d/FLAG866e9523e [2018-11-23 09:24:12,277 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7a0d1f19-92e8-4fe7-8e77-41fd8aca16f3/bin-2019/uautomizer/data/38b4b2022/35171c6713844eee830580494aeb404d [2018-11-23 09:24:12,279 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 09:24:12,280 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 09:24:12,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 09:24:12,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 09:24:12,282 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 09:24:12,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:24:12" (1/1) ... [2018-11-23 09:24:12,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff9ad9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:12, skipping insertion in model container [2018-11-23 09:24:12,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:24:12" (1/1) ... [2018-11-23 09:24:12,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 09:24:12,319 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 09:24:12,497 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 09:24:12,507 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 09:24:12,607 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 09:24:12,623 INFO L195 MainTranslator]: Completed translation [2018-11-23 09:24:12,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:12 WrapperNode [2018-11-23 09:24:12,624 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 09:24:12,624 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 09:24:12,624 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 09:24:12,624 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 09:24:12,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:12" (1/1) ... [2018-11-23 09:24:12,643 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:12" (1/1) ... [2018-11-23 09:24:12,651 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 09:24:12,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 09:24:12,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 09:24:12,651 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 09:24:12,659 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:12" (1/1) ... [2018-11-23 09:24:12,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:12" (1/1) ... [2018-11-23 09:24:12,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:12" (1/1) ... [2018-11-23 09:24:12,663 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:12" (1/1) ... [2018-11-23 09:24:12,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:12" (1/1) ... [2018-11-23 09:24:12,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:12" (1/1) ... [2018-11-23 09:24:12,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:12" (1/1) ... [2018-11-23 09:24:12,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 09:24:12,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 09:24:12,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 09:24:12,681 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 09:24:12,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7a0d1f19-92e8-4fe7-8e77-41fd8aca16f3/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 [2018-11-23 09:24:12,720 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 09:24:12,720 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 09:24:12,720 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 09:24:12,720 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 09:24:12,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 09:24:12,720 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 09:24:12,720 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 09:24:12,720 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 09:24:12,721 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 09:24:12,721 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 09:24:12,721 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 09:24:12,721 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 09:24:12,721 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 09:24:12,721 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 09:24:12,721 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 09:24:12,721 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 09:24:12,722 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 09:24:12,722 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 09:24:12,722 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 09:24:12,722 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 09:24:12,722 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 09:24:12,722 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 09:24:12,722 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 09:24:12,722 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 09:24:12,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 09:24:12,723 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 09:24:12,723 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 09:24:12,723 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 09:24:12,723 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 09:24:12,723 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 09:24:12,723 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 09:24:12,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 09:24:12,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 09:24:12,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 09:24:12,724 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 09:24:12,724 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 09:24:12,724 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 09:24:12,724 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 09:24:12,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 09:24:12,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 09:24:12,724 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-23 09:24:12,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-23 09:24:13,102 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 09:24:13,102 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 09:24:13,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:24:13 BoogieIcfgContainer [2018-11-23 09:24:13,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 09:24:13,103 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 09:24:13,103 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 09:24:13,106 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 09:24:13,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:24:12" (1/3) ... [2018-11-23 09:24:13,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bd850ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:24:13, skipping insertion in model container [2018-11-23 09:24:13,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:12" (2/3) ... [2018-11-23 09:24:13,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bd850ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:24:13, skipping insertion in model container [2018-11-23 09:24:13,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:24:13" (3/3) ... [2018-11-23 09:24:13,109 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product10_true-unreach-call_false-termination.cil.c [2018-11-23 09:24:13,115 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 09:24:13,121 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 09:24:13,132 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 09:24:13,154 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 09:24:13,154 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 09:24:13,154 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 09:24:13,154 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 09:24:13,154 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 09:24:13,154 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 09:24:13,155 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 09:24:13,155 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 09:24:13,155 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 09:24:13,169 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2018-11-23 09:24:13,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 09:24:13,175 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:24:13,176 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:24:13,178 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:24:13,182 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:24:13,183 INFO L82 PathProgramCache]: Analyzing trace with hash -427899170, now seen corresponding path program 1 times [2018-11-23 09:24:13,184 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:24:13,184 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:24:13,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:24:13,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:24:13,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:24:13,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:24:13,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:24:13,375 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:24:13,375 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 09:24:13,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 09:24:13,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 09:24:13,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 09:24:13,387 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 2 states. [2018-11-23 09:24:13,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:24:13,410 INFO L93 Difference]: Finished difference Result 170 states and 213 transitions. [2018-11-23 09:24:13,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 09:24:13,411 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 09:24:13,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:24:13,419 INFO L225 Difference]: With dead ends: 170 [2018-11-23 09:24:13,419 INFO L226 Difference]: Without dead ends: 85 [2018-11-23 09:24:13,422 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 09:24:13,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-11-23 09:24:13,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-11-23 09:24:13,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-11-23 09:24:13,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 98 transitions. [2018-11-23 09:24:13,456 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 98 transitions. Word has length 46 [2018-11-23 09:24:13,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:24:13,457 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 98 transitions. [2018-11-23 09:24:13,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 09:24:13,457 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2018-11-23 09:24:13,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 09:24:13,459 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:24:13,459 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:24:13,459 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:24:13,459 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:24:13,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1283209284, now seen corresponding path program 1 times [2018-11-23 09:24:13,460 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:24:13,460 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:24:13,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:24:13,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:24:13,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:24:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:24:13,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:24:13,534 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:24:13,535 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 09:24:13,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 09:24:13,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 09:24:13,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 09:24:13,537 INFO L87 Difference]: Start difference. First operand 85 states and 98 transitions. Second operand 3 states. [2018-11-23 09:24:13,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:24:13,549 INFO L93 Difference]: Finished difference Result 115 states and 131 transitions. [2018-11-23 09:24:13,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 09:24:13,550 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 09:24:13,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:24:13,551 INFO L225 Difference]: With dead ends: 115 [2018-11-23 09:24:13,551 INFO L226 Difference]: Without dead ends: 76 [2018-11-23 09:24:13,552 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 09:24:13,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-11-23 09:24:13,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-11-23 09:24:13,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-11-23 09:24:13,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2018-11-23 09:24:13,561 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 47 [2018-11-23 09:24:13,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:24:13,561 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2018-11-23 09:24:13,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 09:24:13,561 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2018-11-23 09:24:13,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 09:24:13,563 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:24:13,563 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] [2018-11-23 09:24:13,563 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:24:13,563 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:24:13,563 INFO L82 PathProgramCache]: Analyzing trace with hash -1443249335, now seen corresponding path program 1 times [2018-11-23 09:24:13,564 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:24:13,564 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:24:13,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:24:13,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:24:13,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:24:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:24:13,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:24:13,691 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:24:13,692 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 09:24:13,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 09:24:13,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 09:24:13,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 09:24:13,693 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand 7 states. [2018-11-23 09:24:13,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:24:13,859 INFO L93 Difference]: Finished difference Result 128 states and 149 transitions. [2018-11-23 09:24:13,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 09:24:13,860 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-23 09:24:13,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:24:13,861 INFO L225 Difference]: With dead ends: 128 [2018-11-23 09:24:13,861 INFO L226 Difference]: Without dead ends: 76 [2018-11-23 09:24:13,861 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 09:24:13,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-11-23 09:24:13,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-11-23 09:24:13,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-11-23 09:24:13,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2018-11-23 09:24:13,868 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 52 [2018-11-23 09:24:13,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:24:13,869 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2018-11-23 09:24:13,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 09:24:13,869 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2018-11-23 09:24:13,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 09:24:13,870 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:24:13,870 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] [2018-11-23 09:24:13,871 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:24:13,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:24:13,871 INFO L82 PathProgramCache]: Analyzing trace with hash -825087149, now seen corresponding path program 1 times [2018-11-23 09:24:13,871 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:24:13,871 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:24:13,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:24:13,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:24:13,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:24:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:24:13,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:24:13,970 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:24:13,970 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 09:24:13,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 09:24:13,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 09:24:13,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 09:24:13,971 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 6 states. [2018-11-23 09:24:14,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:24:14,124 INFO L93 Difference]: Finished difference Result 173 states and 204 transitions. [2018-11-23 09:24:14,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 09:24:14,124 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2018-11-23 09:24:14,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:24:14,127 INFO L225 Difference]: With dead ends: 173 [2018-11-23 09:24:14,127 INFO L226 Difference]: Without dead ends: 121 [2018-11-23 09:24:14,127 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 [2018-11-23 09:24:14,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-11-23 09:24:14,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119. [2018-11-23 09:24:14,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-11-23 09:24:14,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 136 transitions. [2018-11-23 09:24:14,143 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 136 transitions. Word has length 55 [2018-11-23 09:24:14,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:24:14,143 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 136 transitions. [2018-11-23 09:24:14,144 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 09:24:14,144 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 136 transitions. [2018-11-23 09:24:14,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 09:24:14,145 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:24:14,145 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] [2018-11-23 09:24:14,145 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:24:14,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:24:14,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1588459543, now seen corresponding path program 1 times [2018-11-23 09:24:14,146 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:24:14,146 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:24:14,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:24:14,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:24:14,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:24:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:24:14,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:24:14,245 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:24:14,245 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 09:24:14,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 09:24:14,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 09:24:14,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 09:24:14,246 INFO L87 Difference]: Start difference. First operand 119 states and 136 transitions. Second operand 6 states. [2018-11-23 09:24:14,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:24:14,323 INFO L93 Difference]: Finished difference Result 205 states and 240 transitions. [2018-11-23 09:24:14,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 09:24:14,323 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2018-11-23 09:24:14,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:24:14,324 INFO L225 Difference]: With dead ends: 205 [2018-11-23 09:24:14,324 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 09:24:14,325 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 09:24:14,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 09:24:14,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 09:24:14,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 09:24:14,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 09:24:14,326 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2018-11-23 09:24:14,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:24:14,326 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 09:24:14,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 09:24:14,326 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 09:24:14,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 09:24:14,330 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 09:24:14,702 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 702 708) no Hoare annotation was computed. [2018-11-23 09:24:14,702 INFO L451 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 702 708) the Hoare annotation is: true [2018-11-23 09:24:14,702 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 852 858) the Hoare annotation is: true [2018-11-23 09:24:14,702 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 852 858) no Hoare annotation was computed. [2018-11-23 09:24:14,702 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 859 867) no Hoare annotation was computed. [2018-11-23 09:24:14,702 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 859 867) the Hoare annotation is: true [2018-11-23 09:24:14,702 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 859 867) no Hoare annotation was computed. [2018-11-23 09:24:14,703 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 138 203) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 09:24:14,703 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 190) no Hoare annotation was computed. [2018-11-23 09:24:14,703 INFO L444 ceAbstractionStarter]: At program point L186-2(lines 178 191) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 09:24:14,703 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 138 203) no Hoare annotation was computed. [2018-11-23 09:24:14,703 INFO L448 ceAbstractionStarter]: For program point L149(lines 148 195) no Hoare annotation was computed. [2018-11-23 09:24:14,703 INFO L444 ceAbstractionStarter]: At program point L180(line 180) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 09:24:14,703 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 191) no Hoare annotation was computed. [2018-11-23 09:24:14,704 INFO L444 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 09:24:14,704 INFO L448 ceAbstractionStarter]: For program point L168(lines 168 174) no Hoare annotation was computed. [2018-11-23 09:24:14,704 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 168 174) no Hoare annotation was computed. [2018-11-23 09:24:14,704 INFO L444 ceAbstractionStarter]: At program point L193(lines 148 195) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 09:24:14,704 INFO L444 ceAbstractionStarter]: At program point L160(line 160) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 09:24:14,704 INFO L448 ceAbstractionStarter]: For program point L158(lines 158 164) no Hoare annotation was computed. [2018-11-23 09:24:14,704 INFO L448 ceAbstractionStarter]: For program point L158-1(lines 158 164) no Hoare annotation was computed. [2018-11-23 09:24:14,704 INFO L448 ceAbstractionStarter]: For program point L150(lines 150 154) no Hoare annotation was computed. [2018-11-23 09:24:14,705 INFO L444 ceAbstractionStarter]: At program point L196(lines 147 197) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 09:24:14,705 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 138 203) no Hoare annotation was computed. [2018-11-23 09:24:14,705 INFO L448 ceAbstractionStarter]: For program point L289(line 289) no Hoare annotation was computed. [2018-11-23 09:24:14,705 INFO L444 ceAbstractionStarter]: At program point L288(line 288) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 09:24:14,705 INFO L444 ceAbstractionStarter]: At program point L287(line 287) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 09:24:14,705 INFO L444 ceAbstractionStarter]: At program point L287-1(line 287) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 09:24:14,705 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 281 303) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 09:24:14,705 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 281 303) no Hoare annotation was computed. [2018-11-23 09:24:14,706 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 281 303) no Hoare annotation was computed. [2018-11-23 09:24:14,706 INFO L444 ceAbstractionStarter]: At program point L293(line 293) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 09:24:14,706 INFO L444 ceAbstractionStarter]: At program point L293-1(line 293) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 09:24:14,706 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 298) no Hoare annotation was computed. [2018-11-23 09:24:14,706 INFO L448 ceAbstractionStarter]: For program point L291-1(lines 291 298) no Hoare annotation was computed. [2018-11-23 09:24:14,706 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 754 762) no Hoare annotation was computed. [2018-11-23 09:24:14,706 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 754 762) the Hoare annotation is: true [2018-11-23 09:24:14,706 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 754 762) no Hoare annotation was computed. [2018-11-23 09:24:14,706 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 09:24:14,706 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 09:24:14,707 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 09:24:14,707 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 81 92) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 09:24:14,707 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 81 92) no Hoare annotation was computed. [2018-11-23 09:24:14,707 INFO L448 ceAbstractionStarter]: For program point L85-1(lines 81 92) no Hoare annotation was computed. [2018-11-23 09:24:14,707 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 206 235) no Hoare annotation was computed. [2018-11-23 09:24:14,707 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 206 235) the Hoare annotation is: true [2018-11-23 09:24:14,707 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 224) no Hoare annotation was computed. [2018-11-23 09:24:14,707 INFO L451 ceAbstractionStarter]: At program point L220-1(lines 220 224) the Hoare annotation is: true [2018-11-23 09:24:14,707 INFO L448 ceAbstractionStarter]: For program point L217(line 217) no Hoare annotation was computed. [2018-11-23 09:24:14,707 INFO L451 ceAbstractionStarter]: At program point L216-2(lines 216 230) the Hoare annotation is: true [2018-11-23 09:24:14,708 INFO L451 ceAbstractionStarter]: At program point L212(line 212) the Hoare annotation is: true [2018-11-23 09:24:14,708 INFO L448 ceAbstractionStarter]: For program point L212-1(line 212) no Hoare annotation was computed. [2018-11-23 09:24:14,708 INFO L451 ceAbstractionStarter]: At program point L231(lines 206 235) the Hoare annotation is: true [2018-11-23 09:24:14,708 INFO L448 ceAbstractionStarter]: For program point L227(line 227) no Hoare annotation was computed. [2018-11-23 09:24:14,708 INFO L451 ceAbstractionStarter]: At program point L691(line 691) the Hoare annotation is: true [2018-11-23 09:24:14,708 INFO L451 ceAbstractionStarter]: At program point L689(lines 689 695) the Hoare annotation is: true [2018-11-23 09:24:14,708 INFO L451 ceAbstractionStarter]: At program point timeShiftENTRY(lines 678 701) the Hoare annotation is: true [2018-11-23 09:24:14,708 INFO L444 ceAbstractionStarter]: At program point L684(line 684) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-23 09:24:14,708 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 678 701) no Hoare annotation was computed. [2018-11-23 09:24:14,708 INFO L448 ceAbstractionStarter]: For program point L682(lines 681 700) no Hoare annotation was computed. [2018-11-23 09:24:14,708 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 678 701) no Hoare annotation was computed. [2018-11-23 09:24:14,708 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 93 101) the Hoare annotation is: true [2018-11-23 09:24:14,709 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 93 101) no Hoare annotation was computed. [2018-11-23 09:24:14,709 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 93 101) no Hoare annotation was computed. [2018-11-23 09:24:14,709 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 57 68) the Hoare annotation is: true [2018-11-23 09:24:14,709 INFO L448 ceAbstractionStarter]: For program point L61-1(lines 57 68) no Hoare annotation was computed. [2018-11-23 09:24:14,709 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 57 68) no Hoare annotation was computed. [2018-11-23 09:24:14,709 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 845 851) no Hoare annotation was computed. [2018-11-23 09:24:14,709 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 845 851) the Hoare annotation is: true [2018-11-23 09:24:14,709 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 261 267) no Hoare annotation was computed. [2018-11-23 09:24:14,709 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 261 267) the Hoare annotation is: true [2018-11-23 09:24:14,709 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 09:24:14,709 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-23 09:24:14,709 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 09:24:14,709 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 09:24:14,709 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 799 806) no Hoare annotation was computed. [2018-11-23 09:24:14,709 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 799 806) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= ~systemActive~0 1)) [2018-11-23 09:24:14,709 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 799 806) no Hoare annotation was computed. [2018-11-23 09:24:14,710 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 69 80) no Hoare annotation was computed. [2018-11-23 09:24:14,710 INFO L448 ceAbstractionStarter]: For program point L73-1(lines 69 80) no Hoare annotation was computed. [2018-11-23 09:24:14,710 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 69 80) the Hoare annotation is: true [2018-11-23 09:24:14,710 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-23 09:24:14,710 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-23 09:24:14,710 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-23 09:24:14,710 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-23 09:24:14,710 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 268 277) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 09:24:14,710 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 268 277) no Hoare annotation was computed. [2018-11-23 09:24:14,710 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 268 277) no Hoare annotation was computed. [2018-11-23 09:24:14,710 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 808 832) the Hoare annotation is: true [2018-11-23 09:24:14,710 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 808 832) no Hoare annotation was computed. [2018-11-23 09:24:14,710 INFO L444 ceAbstractionStarter]: At program point L822(line 822) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-23 09:24:14,711 INFO L448 ceAbstractionStarter]: For program point L820(lines 820 826) no Hoare annotation was computed. [2018-11-23 09:24:14,711 INFO L444 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 09:24:14,711 INFO L448 ceAbstractionStarter]: For program point L818-1(line 818) no Hoare annotation was computed. [2018-11-23 09:24:14,711 INFO L448 ceAbstractionStarter]: For program point L816(lines 816 829) no Hoare annotation was computed. [2018-11-23 09:24:14,711 INFO L448 ceAbstractionStarter]: For program point L816-1(lines 808 832) no Hoare annotation was computed. [2018-11-23 09:24:14,711 INFO L451 ceAbstractionStarter]: At program point L814(line 814) the Hoare annotation is: true [2018-11-23 09:24:14,711 INFO L448 ceAbstractionStarter]: For program point L814-1(line 814) no Hoare annotation was computed. [2018-11-23 09:24:14,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:24:14 BoogieIcfgContainer [2018-11-23 09:24:14,720 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 09:24:14,720 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 09:24:14,720 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 09:24:14,720 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 09:24:14,721 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:24:13" (3/4) ... [2018-11-23 09:24:14,724 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 09:24:14,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 09:24:14,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 09:24:14,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 09:24:14,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 09:24:14,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 09:24:14,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 09:24:14,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 09:24:14,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 09:24:14,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 09:24:14,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 09:24:14,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 09:24:14,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 09:24:14,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 09:24:14,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 09:24:14,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 09:24:14,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 09:24:14,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 09:24:14,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 09:24:14,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-23 09:24:14,737 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2018-11-23 09:24:14,738 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 09:24:14,738 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 09:24:14,738 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 09:24:14,739 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 09:24:14,739 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 09:24:14,739 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 09:24:14,763 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) || (systemActive == 1 && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 09:24:14,763 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 09:24:14,791 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7a0d1f19-92e8-4fe7-8e77-41fd8aca16f3/bin-2019/uautomizer/witness.graphml [2018-11-23 09:24:14,791 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 09:24:14,792 INFO L168 Benchmark]: Toolchain (without parser) took 2512.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -109.2 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. [2018-11-23 09:24:14,793 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 09:24:14,793 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -152.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-23 09:24:14,793 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.87 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 09:24:14,793 INFO L168 Benchmark]: Boogie Preprocessor took 29.49 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. [2018-11-23 09:24:14,793 INFO L168 Benchmark]: RCFGBuilder took 421.76 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: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2018-11-23 09:24:14,794 INFO L168 Benchmark]: TraceAbstraction took 1616.52 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: -12.4 MB). Peak memory consumption was 215.1 MB. Max. memory is 11.5 GB. [2018-11-23 09:24:14,794 INFO L168 Benchmark]: Witness Printer took 70.87 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-23 09:24:14,796 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 343.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -152.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.87 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.49 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. * RCFGBuilder took 421.76 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: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1616.52 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: -12.4 MB). Peak memory consumption was 215.1 MB. Max. memory is 11.5 GB. * Witness Printer took 70.87 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 216]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || (systemActive == 1 && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 20 procedures, 98 locations, 1 error locations. SAFE Result, 1.5s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 440 SDtfs, 172 SDslu, 728 SDs, 0 SdLazy, 173 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119occurred 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, 42 LocationsWithAnnotation, 161 PreInvPairs, 176 NumberOfFragments, 370 HoareAnnotationTreeSize, 161 FomulaSimplifications, 70 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 42 FomulaSimplificationsInter, 551 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 24632 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...