./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product11_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c17a015f-569b-44b2-99f0-5a0ebef75e6d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c17a015f-569b-44b2-99f0-5a0ebef75e6d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c17a015f-569b-44b2-99f0-5a0ebef75e6d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c17a015f-569b-44b2-99f0-5a0ebef75e6d/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product11_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c17a015f-569b-44b2-99f0-5a0ebef75e6d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c17a015f-569b-44b2-99f0-5a0ebef75e6d/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 024cd1c3d04a85b1ea51a85b80d9a485019f42aa ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-0cd3be1 [2018-11-28 13:00:56,992 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:00:56,994 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:00:57,002 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:00:57,002 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:00:57,003 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:00:57,004 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:00:57,005 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:00:57,006 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:00:57,006 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:00:57,007 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:00:57,007 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:00:57,008 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:00:57,008 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:00:57,009 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:00:57,010 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:00:57,010 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:00:57,011 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:00:57,012 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:00:57,013 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:00:57,014 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:00:57,015 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:00:57,016 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:00:57,016 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:00:57,016 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:00:57,017 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:00:57,017 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:00:57,018 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:00:57,018 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:00:57,019 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:00:57,019 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:00:57,020 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:00:57,020 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:00:57,020 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:00:57,020 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:00:57,021 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:00:57,021 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c17a015f-569b-44b2-99f0-5a0ebef75e6d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 13:00:57,030 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:00:57,030 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:00:57,031 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:00:57,031 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:00:57,031 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:00:57,032 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:00:57,032 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:00:57,032 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:00:57,032 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:00:57,032 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:00:57,032 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:00:57,032 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:00:57,032 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:00:57,033 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:00:57,033 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:00:57,033 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:00:57,033 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:00:57,033 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:00:57,033 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:00:57,033 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:00:57,033 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:00:57,034 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:00:57,034 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:00:57,034 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:00:57,034 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:00:57,034 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:00:57,034 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:00:57,034 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:00:57,034 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:00:57,035 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 13:00:57,035 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_c17a015f-569b-44b2-99f0-5a0ebef75e6d/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 -> 024cd1c3d04a85b1ea51a85b80d9a485019f42aa [2018-11-28 13:00:57,057 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:00:57,066 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:00:57,068 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:00:57,069 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:00:57,070 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:00:57,070 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c17a015f-569b-44b2-99f0-5a0ebef75e6d/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product11_false-unreach-call_false-termination.cil.c [2018-11-28 13:00:57,112 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c17a015f-569b-44b2-99f0-5a0ebef75e6d/bin-2019/uautomizer/data/29dedaa5c/8eaf650810fe4f1db24bfed2fd78d605/FLAG461464ad1 [2018-11-28 13:00:57,529 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:00:57,530 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c17a015f-569b-44b2-99f0-5a0ebef75e6d/sv-benchmarks/c/product-lines/minepump_spec3_product11_false-unreach-call_false-termination.cil.c [2018-11-28 13:00:57,536 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c17a015f-569b-44b2-99f0-5a0ebef75e6d/bin-2019/uautomizer/data/29dedaa5c/8eaf650810fe4f1db24bfed2fd78d605/FLAG461464ad1 [2018-11-28 13:00:57,544 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c17a015f-569b-44b2-99f0-5a0ebef75e6d/bin-2019/uautomizer/data/29dedaa5c/8eaf650810fe4f1db24bfed2fd78d605 [2018-11-28 13:00:57,546 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:00:57,547 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:00:57,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:00:57,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:00:57,550 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:00:57,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:00:57" (1/1) ... [2018-11-28 13:00:57,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d835ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:57, skipping insertion in model container [2018-11-28 13:00:57,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:00:57" (1/1) ... [2018-11-28 13:00:57,559 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:00:57,588 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:00:57,761 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:00:57,812 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:00:57,862 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:00:57,881 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:00:57,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:57 WrapperNode [2018-11-28 13:00:57,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:00:57,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:00:57,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:00:57,882 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:00:57,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:57" (1/1) ... [2018-11-28 13:00:57,897 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:57" (1/1) ... [2018-11-28 13:00:57,904 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:00:57,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:00:57,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:00:57,904 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:00:57,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:57" (1/1) ... [2018-11-28 13:00:57,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:57" (1/1) ... [2018-11-28 13:00:57,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:57" (1/1) ... [2018-11-28 13:00:57,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:57" (1/1) ... [2018-11-28 13:00:57,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:57" (1/1) ... [2018-11-28 13:00:57,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:57" (1/1) ... [2018-11-28 13:00:57,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:57" (1/1) ... [2018-11-28 13:00:57,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:00:57,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:00:57,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:00:57,929 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:00:57,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c17a015f-569b-44b2-99f0-5a0ebef75e6d/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 [2018-11-28 13:00:57,971 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 13:00:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 13:00:57,971 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:00:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:00:57,971 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 13:00:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 13:00:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:00:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 13:00:57,972 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 13:00:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 13:00:57,972 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 13:00:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 13:00:57,972 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 13:00:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 13:00:57,972 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 13:00:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 13:00:57,973 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 13:00:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 13:00:57,973 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 13:00:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 13:00:57,973 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 13:00:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 13:00:57,973 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 13:00:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 13:00:57,973 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 13:00:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 13:00:57,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 13:00:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 13:00:57,974 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 13:00:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 13:00:57,974 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 13:00:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 13:00:57,974 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 13:00:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 13:00:57,975 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 13:00:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 13:00:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:00:57,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:00:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 13:00:57,975 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 13:00:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-28 13:00:57,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-28 13:00:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 13:00:57,975 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 13:00:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:00:57,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:00:58,372 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:00:58,372 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 13:00:58,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:00:58 BoogieIcfgContainer [2018-11-28 13:00:58,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:00:58,373 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:00:58,373 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:00:58,376 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:00:58,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:00:57" (1/3) ... [2018-11-28 13:00:58,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2841aa2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:00:58, skipping insertion in model container [2018-11-28 13:00:58,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:57" (2/3) ... [2018-11-28 13:00:58,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2841aa2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:00:58, skipping insertion in model container [2018-11-28 13:00:58,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:00:58" (3/3) ... [2018-11-28 13:00:58,378 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product11_false-unreach-call_false-termination.cil.c [2018-11-28 13:00:58,387 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:00:58,393 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:00:58,404 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:00:58,427 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:00:58,428 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:00:58,428 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:00:58,428 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:00:58,428 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:00:58,428 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:00:58,428 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:00:58,428 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:00:58,428 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:00:58,440 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states. [2018-11-28 13:00:58,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 13:00:58,446 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:00:58,447 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] [2018-11-28 13:00:58,448 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:00:58,451 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:00:58,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1666565830, now seen corresponding path program 1 times [2018-11-28 13:00:58,453 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:00:58,453 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:00:58,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:00:58,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:00:58,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:00:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:00:58,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:00:58,628 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:00:58,628 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 13:00:58,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 13:00:58,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 13:00:58,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:00:58,641 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 2 states. [2018-11-28 13:00:58,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:00:58,661 INFO L93 Difference]: Finished difference Result 192 states and 239 transitions. [2018-11-28 13:00:58,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 13:00:58,662 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-28 13:00:58,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:00:58,668 INFO L225 Difference]: With dead ends: 192 [2018-11-28 13:00:58,668 INFO L226 Difference]: Without dead ends: 96 [2018-11-28 13:00:58,670 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 [2018-11-28 13:00:58,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-11-28 13:00:58,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-11-28 13:00:58,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-11-28 13:00:58,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 111 transitions. [2018-11-28 13:00:58,699 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 111 transitions. Word has length 52 [2018-11-28 13:00:58,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:00:58,700 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 111 transitions. [2018-11-28 13:00:58,700 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 13:00:58,700 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 111 transitions. [2018-11-28 13:00:58,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-28 13:00:58,703 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:00:58,703 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] [2018-11-28 13:00:58,703 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:00:58,703 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:00:58,704 INFO L82 PathProgramCache]: Analyzing trace with hash -1002057674, now seen corresponding path program 1 times [2018-11-28 13:00:58,704 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:00:58,704 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:00:58,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:00:58,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:00:58,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:00:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:00:58,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:00:58,787 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:00:58,787 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:00:58,788 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:00:58,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:00:58,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:00:58,790 INFO L87 Difference]: Start difference. First operand 96 states and 111 transitions. Second operand 3 states. [2018-11-28 13:00:58,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:00:58,805 INFO L93 Difference]: Finished difference Result 132 states and 151 transitions. [2018-11-28 13:00:58,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:00:58,805 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-28 13:00:58,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:00:58,806 INFO L225 Difference]: With dead ends: 132 [2018-11-28 13:00:58,806 INFO L226 Difference]: Without dead ends: 87 [2018-11-28 13:00:58,807 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 [2018-11-28 13:00:58,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-11-28 13:00:58,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-11-28 13:00:58,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-11-28 13:00:58,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 99 transitions. [2018-11-28 13:00:58,816 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 99 transitions. Word has length 53 [2018-11-28 13:00:58,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:00:58,816 INFO L480 AbstractCegarLoop]: Abstraction has 87 states and 99 transitions. [2018-11-28 13:00:58,816 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:00:58,816 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 99 transitions. [2018-11-28 13:00:58,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 13:00:58,817 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:00:58,818 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] [2018-11-28 13:00:58,818 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:00:58,818 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:00:58,818 INFO L82 PathProgramCache]: Analyzing trace with hash -213902819, now seen corresponding path program 1 times [2018-11-28 13:00:58,818 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:00:58,818 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:00:58,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:00:58,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:00:58,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:00:58,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:00:58,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:00:58,910 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:00:58,910 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:00:58,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:00:58,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:00:58,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:00:58,911 INFO L87 Difference]: Start difference. First operand 87 states and 99 transitions. Second operand 3 states. [2018-11-28 13:00:58,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:00:58,937 INFO L93 Difference]: Finished difference Result 208 states and 247 transitions. [2018-11-28 13:00:58,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:00:58,938 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2018-11-28 13:00:58,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:00:58,941 INFO L225 Difference]: With dead ends: 208 [2018-11-28 13:00:58,941 INFO L226 Difference]: Without dead ends: 145 [2018-11-28 13:00:58,942 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 [2018-11-28 13:00:58,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-11-28 13:00:58,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 135. [2018-11-28 13:00:58,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-11-28 13:00:58,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 159 transitions. [2018-11-28 13:00:58,956 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 159 transitions. Word has length 57 [2018-11-28 13:00:58,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:00:58,957 INFO L480 AbstractCegarLoop]: Abstraction has 135 states and 159 transitions. [2018-11-28 13:00:58,957 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:00:58,958 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 159 transitions. [2018-11-28 13:00:58,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-28 13:00:58,959 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:00:58,959 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] [2018-11-28 13:00:58,960 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:00:58,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:00:58,960 INFO L82 PathProgramCache]: Analyzing trace with hash -1566461061, now seen corresponding path program 1 times [2018-11-28 13:00:58,960 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:00:58,960 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:00:58,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:00:58,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:00:58,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:00:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:00:59,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:00:59,052 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:00:59,052 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 13:00:59,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 13:00:59,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 13:00:59,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 13:00:59,053 INFO L87 Difference]: Start difference. First operand 135 states and 159 transitions. Second operand 6 states. [2018-11-28 13:00:59,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:00:59,199 INFO L93 Difference]: Finished difference Result 338 states and 425 transitions. [2018-11-28 13:00:59,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 13:00:59,200 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-11-28 13:00:59,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:00:59,202 INFO L225 Difference]: With dead ends: 338 [2018-11-28 13:00:59,202 INFO L226 Difference]: Without dead ends: 227 [2018-11-28 13:00:59,203 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 [2018-11-28 13:00:59,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-11-28 13:00:59,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 223. [2018-11-28 13:00:59,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-11-28 13:00:59,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 271 transitions. [2018-11-28 13:00:59,228 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 271 transitions. Word has length 60 [2018-11-28 13:00:59,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:00:59,228 INFO L480 AbstractCegarLoop]: Abstraction has 223 states and 271 transitions. [2018-11-28 13:00:59,229 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 13:00:59,229 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 271 transitions. [2018-11-28 13:00:59,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-28 13:00:59,230 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:00:59,230 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:00:59,231 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:00:59,231 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:00:59,231 INFO L82 PathProgramCache]: Analyzing trace with hash 440903989, now seen corresponding path program 1 times [2018-11-28 13:00:59,231 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:00:59,231 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:00:59,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:00:59,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:00:59,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:00:59,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:00:59,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:00:59,293 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:00:59,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:00:59,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:00:59,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:00:59,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:00:59,294 INFO L87 Difference]: Start difference. First operand 223 states and 271 transitions. Second operand 3 states. [2018-11-28 13:00:59,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:00:59,308 INFO L93 Difference]: Finished difference Result 402 states and 499 transitions. [2018-11-28 13:00:59,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:00:59,308 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2018-11-28 13:00:59,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:00:59,310 INFO L225 Difference]: With dead ends: 402 [2018-11-28 13:00:59,310 INFO L226 Difference]: Without dead ends: 203 [2018-11-28 13:00:59,312 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:00:59,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2018-11-28 13:00:59,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2018-11-28 13:00:59,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2018-11-28 13:00:59,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 238 transitions. [2018-11-28 13:00:59,327 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 238 transitions. Word has length 64 [2018-11-28 13:00:59,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:00:59,327 INFO L480 AbstractCegarLoop]: Abstraction has 203 states and 238 transitions. [2018-11-28 13:00:59,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:00:59,327 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 238 transitions. [2018-11-28 13:00:59,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-28 13:00:59,329 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:00:59,329 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:00:59,329 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:00:59,329 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:00:59,329 INFO L82 PathProgramCache]: Analyzing trace with hash -2016806667, now seen corresponding path program 1 times [2018-11-28 13:00:59,329 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:00:59,329 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:00:59,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:00:59,330 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:00:59,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:00:59,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:00:59,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:00:59,408 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 13:00:59,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:00:59 BoogieIcfgContainer [2018-11-28 13:00:59,487 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:00:59,487 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:00:59,487 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:00:59,488 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:00:59,488 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:00:58" (3/4) ... [2018-11-28 13:00:59,491 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 13:00:59,582 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c17a015f-569b-44b2-99f0-5a0ebef75e6d/bin-2019/uautomizer/witness.graphml [2018-11-28 13:00:59,582 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:00:59,582 INFO L168 Benchmark]: Toolchain (without parser) took 2036.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 950.6 MB in the beginning and 880.9 MB in the end (delta: 69.7 MB). Peak memory consumption was 215.5 MB. Max. memory is 11.5 GB. [2018-11-28 13:00:59,583 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:00:59,583 INFO L168 Benchmark]: CACSL2BoogieTranslator took 334.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -182.9 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:00:59,584 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.20 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. [2018-11-28 13:00:59,584 INFO L168 Benchmark]: Boogie Preprocessor took 23.87 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:00:59,584 INFO L168 Benchmark]: RCFGBuilder took 444.10 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: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. [2018-11-28 13:00:59,584 INFO L168 Benchmark]: TraceAbstraction took 1114.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 904.7 MB in the end (delta: 173.3 MB). Peak memory consumption was 173.3 MB. Max. memory is 11.5 GB. [2018-11-28 13:00:59,585 INFO L168 Benchmark]: Witness Printer took 94.53 ms. Allocated memory is still 1.2 GB. Free memory was 904.7 MB in the beginning and 880.9 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2018-11-28 13:00:59,586 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 334.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -182.9 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.20 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 23.87 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 444.10 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: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1114.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 904.7 MB in the end (delta: 173.3 MB). Peak memory consumption was 173.3 MB. Max. memory is 11.5 GB. * Witness Printer took 94.53 ms. Allocated memory is still 1.2 GB. Free memory was 904.7 MB in the beginning and 880.9 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 799]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L78] int cleanupTimeShifts = 4; [L386] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L588] int pumpRunning = 0; [L589] int systemActive = 1; [L804] int waterLevel = 1; [L805] int methaneLevelCritical = 0; [L159] int retValue_acc ; [L160] 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] [L164] 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] [L165] 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] [L166] 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] [L208] int retValue_acc ; [L211] retValue_acc = 1 [L212] 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] [L166] 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] [L166] tmp = valid_product() [L168] 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] [L170] 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] [L171] 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] [L150] 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] [L729] int splverifierCounter ; [L730] int tmp ; [L731] int tmp___0 ; [L732] int tmp___1 ; [L733] int tmp___2 ; [L736] 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] [L738] 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] [L740] 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] [L746] tmp = __VERIFIER_nondet_int() [L748] 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] [L750] 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] [L822] COND TRUE waterLevel < 2 [L823] 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] [L750] 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] [L756] tmp___0 = __VERIFIER_nondet_int() [L758] 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] [L766] tmp___2 = __VERIFIER_nondet_int() [L768] COND TRUE \read(tmp___2) 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___2=1, waterLevel=2] [L783] 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] [L595] 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] [L602] 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] [L604] FCALL 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] [L610] 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] [L45] int tmp ; [L46] int tmp___0 ; [L47] 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] [L51] 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] [L843] int retValue_acc ; [L846] retValue_acc = methaneLevelCritical [L847] 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] [L51] 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] [L51] tmp = isMethaneLevelCritical() [L53] 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] [L57] 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] [L875] int retValue_acc ; [L878] retValue_acc = waterLevel [L879] 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] [L57] 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] [L57] tmp___0 = getWaterLevel() [L59] 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] [L61] 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] [L668] int retValue_acc ; [L671] retValue_acc = pumpRunning [L672] 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] [L61] 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] [L61] tmp___1 = isPumpRunning() [L63] 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] [L67] 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] [L799] __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 22 procedures, 109 locations, 1 error locations. UNSAFE Result, 1.0s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 521 SDtfs, 196 SDslu, 503 SDs, 0 SdLazy, 70 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=223occurred 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, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 350 NumberOfCodeBlocks, 350 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 281 ConstructedInterpolants, 0 QuantifiedInterpolants, 27159 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...