./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product10_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_dfcf340f-6b80-4865-8d0b-b1b27b1efef2/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dfcf340f-6b80-4865-8d0b-b1b27b1efef2/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dfcf340f-6b80-4865-8d0b-b1b27b1efef2/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dfcf340f-6b80-4865-8d0b-b1b27b1efef2/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product10_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_dfcf340f-6b80-4865-8d0b-b1b27b1efef2/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dfcf340f-6b80-4865-8d0b-b1b27b1efef2/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 1c01eb0b5d4882b25b2cd231430133c4569ce38c ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:01:16,930 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:01:16,932 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:01:16,941 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:01:16,941 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:01:16,942 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:01:16,943 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:01:16,944 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:01:16,946 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:01:16,946 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:01:16,947 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:01:16,947 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:01:16,948 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:01:16,949 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:01:16,950 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:01:16,950 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:01:16,951 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:01:16,952 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:01:16,954 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:01:16,955 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:01:16,956 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:01:16,957 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:01:16,959 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:01:16,959 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:01:16,959 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:01:16,960 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:01:16,961 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:01:16,961 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:01:16,962 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:01:16,963 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:01:16,963 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:01:16,964 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:01:16,964 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:01:16,964 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:01:16,964 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:01:16,965 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:01:16,965 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dfcf340f-6b80-4865-8d0b-b1b27b1efef2/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 13:01:16,976 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:01:16,976 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:01:16,977 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:01:16,977 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:01:16,977 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:01:16,977 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:01:16,978 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:01:16,978 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:01:16,978 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:01:16,978 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:01:16,978 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:01:16,978 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:01:16,978 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:01:16,979 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:01:16,979 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:01:16,979 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:01:16,979 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:01:16,979 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:01:16,979 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:01:16,979 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:01:16,979 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:01:16,980 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:01:16,980 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:01:16,980 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:01:16,980 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:01:16,980 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:01:16,980 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:01:16,980 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:01:16,981 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:01:16,981 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 13:01:16,981 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_dfcf340f-6b80-4865-8d0b-b1b27b1efef2/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 -> 1c01eb0b5d4882b25b2cd231430133c4569ce38c [2018-11-28 13:01:17,003 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:01:17,011 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:01:17,013 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:01:17,014 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:01:17,014 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:01:17,015 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dfcf340f-6b80-4865-8d0b-b1b27b1efef2/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product10_false-unreach-call_false-termination.cil.c [2018-11-28 13:01:17,053 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dfcf340f-6b80-4865-8d0b-b1b27b1efef2/bin-2019/uautomizer/data/be8843211/6319a762332844d09c3aaa2c27b3fdf5/FLAGb23e31163 [2018-11-28 13:01:17,409 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:01:17,409 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dfcf340f-6b80-4865-8d0b-b1b27b1efef2/sv-benchmarks/c/product-lines/minepump_spec3_product10_false-unreach-call_false-termination.cil.c [2018-11-28 13:01:17,418 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dfcf340f-6b80-4865-8d0b-b1b27b1efef2/bin-2019/uautomizer/data/be8843211/6319a762332844d09c3aaa2c27b3fdf5/FLAGb23e31163 [2018-11-28 13:01:17,812 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dfcf340f-6b80-4865-8d0b-b1b27b1efef2/bin-2019/uautomizer/data/be8843211/6319a762332844d09c3aaa2c27b3fdf5 [2018-11-28 13:01:17,814 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:01:17,814 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:01:17,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:01:17,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:01:17,817 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:01:17,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:01:17" (1/1) ... [2018-11-28 13:01:17,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45fd5053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:17, skipping insertion in model container [2018-11-28 13:01:17,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:01:17" (1/1) ... [2018-11-28 13:01:17,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:01:17,851 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:01:18,035 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:01:18,046 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:01:18,142 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:01:18,158 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:01:18,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:18 WrapperNode [2018-11-28 13:01:18,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:01:18,159 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:01:18,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:01:18,159 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:01:18,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:18" (1/1) ... [2018-11-28 13:01:18,175 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:18" (1/1) ... [2018-11-28 13:01:18,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:01:18,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:01:18,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:01:18,183 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:01:18,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:18" (1/1) ... [2018-11-28 13:01:18,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:18" (1/1) ... [2018-11-28 13:01:18,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:18" (1/1) ... [2018-11-28 13:01:18,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:18" (1/1) ... [2018-11-28 13:01:18,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:18" (1/1) ... [2018-11-28 13:01:18,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:18" (1/1) ... [2018-11-28 13:01:18,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:18" (1/1) ... [2018-11-28 13:01:18,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:01:18,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:01:18,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:01:18,206 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:01:18,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dfcf340f-6b80-4865-8d0b-b1b27b1efef2/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 13:01:18,238 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 13:01:18,238 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 13:01:18,239 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:01:18,239 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:01:18,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:01:18,239 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 13:01:18,239 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 13:01:18,239 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 13:01:18,239 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 13:01:18,239 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 13:01:18,239 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 13:01:18,239 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 13:01:18,239 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 13:01:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 13:01:18,240 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 13:01:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 13:01:18,240 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 13:01:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 13:01:18,240 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 13:01:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 13:01:18,240 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 13:01:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 13:01:18,240 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 13:01:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 13:01:18,240 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 13:01:18,241 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 13:01:18,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 13:01:18,241 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 13:01:18,241 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 13:01:18,241 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 13:01:18,241 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 13:01:18,241 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 13:01:18,241 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 13:01:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 13:01:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:01:18,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:01:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 13:01:18,242 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 13:01:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-28 13:01:18,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-28 13:01:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 13:01:18,242 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 13:01:18,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:01:18,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:01:18,588 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:01:18,588 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 13:01:18,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:01:18 BoogieIcfgContainer [2018-11-28 13:01:18,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:01:18,589 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:01:18,589 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:01:18,591 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:01:18,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:01:17" (1/3) ... [2018-11-28 13:01:18,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6911669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:01:18, skipping insertion in model container [2018-11-28 13:01:18,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:18" (2/3) ... [2018-11-28 13:01:18,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6911669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:01:18, skipping insertion in model container [2018-11-28 13:01:18,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:01:18" (3/3) ... [2018-11-28 13:01:18,596 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product10_false-unreach-call_false-termination.cil.c [2018-11-28 13:01:18,603 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:01:18,608 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:01:18,618 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:01:18,638 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:01:18,639 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:01:18,639 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:01:18,639 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:01:18,639 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:01:18,639 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:01:18,639 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:01:18,639 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:01:18,639 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:01:18,656 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2018-11-28 13:01:18,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 13:01:18,663 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:01:18,664 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 13:01:18,665 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:01:18,669 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:01:18,669 INFO L82 PathProgramCache]: Analyzing trace with hash 116957888, now seen corresponding path program 1 times [2018-11-28 13:01:18,670 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:01:18,670 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:01:18,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:01:18,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:01:18,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:01:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:01:18,852 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 13:01:18,854 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:01:18,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 13:01:18,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 13:01:18,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 13:01:18,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:01:18,871 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 2 states. [2018-11-28 13:01:18,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:01:18,897 INFO L93 Difference]: Finished difference Result 182 states and 227 transitions. [2018-11-28 13:01:18,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 13:01:18,898 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-28 13:01:18,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:01:18,904 INFO L225 Difference]: With dead ends: 182 [2018-11-28 13:01:18,904 INFO L226 Difference]: Without dead ends: 91 [2018-11-28 13:01:18,906 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 13:01:18,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-11-28 13:01:18,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-11-28 13:01:18,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-11-28 13:01:18,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 105 transitions. [2018-11-28 13:01:18,939 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 105 transitions. Word has length 52 [2018-11-28 13:01:18,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:01:18,939 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 105 transitions. [2018-11-28 13:01:18,940 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 13:01:18,940 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 105 transitions. [2018-11-28 13:01:18,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-28 13:01:18,942 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:01:18,942 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 13:01:18,942 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:01:18,942 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:01:18,943 INFO L82 PathProgramCache]: Analyzing trace with hash 339479324, now seen corresponding path program 1 times [2018-11-28 13:01:18,943 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:01:18,943 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:01:18,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:01:18,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:01:18,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:01:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:01:19,025 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 13:01:19,025 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:01:19,025 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:01:19,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:01:19,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:01:19,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:01:19,027 INFO L87 Difference]: Start difference. First operand 91 states and 105 transitions. Second operand 3 states. [2018-11-28 13:01:19,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:01:19,039 INFO L93 Difference]: Finished difference Result 127 states and 145 transitions. [2018-11-28 13:01:19,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:01:19,040 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-28 13:01:19,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:01:19,041 INFO L225 Difference]: With dead ends: 127 [2018-11-28 13:01:19,041 INFO L226 Difference]: Without dead ends: 82 [2018-11-28 13:01:19,042 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 13:01:19,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-11-28 13:01:19,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-11-28 13:01:19,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-11-28 13:01:19,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions. [2018-11-28 13:01:19,051 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 93 transitions. Word has length 53 [2018-11-28 13:01:19,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:01:19,051 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 93 transitions. [2018-11-28 13:01:19,051 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:01:19,051 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2018-11-28 13:01:19,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-28 13:01:19,052 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:01:19,052 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:01:19,053 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:01:19,053 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:01:19,053 INFO L82 PathProgramCache]: Analyzing trace with hash 254370340, now seen corresponding path program 1 times [2018-11-28 13:01:19,053 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:01:19,053 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:01:19,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:01:19,054 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:01:19,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:01:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:01:19,175 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 13:01:19,175 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:01:19,175 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 13:01:19,176 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:01:19,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:01:19,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:01:19,176 INFO L87 Difference]: Start difference. First operand 82 states and 93 transitions. Second operand 7 states. [2018-11-28 13:01:19,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:01:19,358 INFO L93 Difference]: Finished difference Result 140 states and 163 transitions. [2018-11-28 13:01:19,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 13:01:19,358 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-28 13:01:19,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:01:19,359 INFO L225 Difference]: With dead ends: 140 [2018-11-28 13:01:19,359 INFO L226 Difference]: Without dead ends: 82 [2018-11-28 13:01:19,360 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 [2018-11-28 13:01:19,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-11-28 13:01:19,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-11-28 13:01:19,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-11-28 13:01:19,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions. [2018-11-28 13:01:19,369 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 58 [2018-11-28 13:01:19,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:01:19,370 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions. [2018-11-28 13:01:19,370 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:01:19,370 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2018-11-28 13:01:19,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-28 13:01:19,371 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:01:19,372 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] [2018-11-28 13:01:19,372 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:01:19,372 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:01:19,372 INFO L82 PathProgramCache]: Analyzing trace with hash -775889916, now seen corresponding path program 1 times [2018-11-28 13:01:19,372 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:01:19,372 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:01:19,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:01:19,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:01:19,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:01:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:01:19,467 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 13:01:19,467 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:01:19,467 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 13:01:19,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 13:01:19,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 13:01:19,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 13:01:19,470 INFO L87 Difference]: Start difference. First operand 82 states and 92 transitions. Second operand 6 states. [2018-11-28 13:01:19,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:01:19,665 INFO L93 Difference]: Finished difference Result 187 states and 224 transitions. [2018-11-28 13:01:19,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 13:01:19,666 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2018-11-28 13:01:19,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:01:19,669 INFO L225 Difference]: With dead ends: 187 [2018-11-28 13:01:19,670 INFO L226 Difference]: Without dead ends: 129 [2018-11-28 13:01:19,670 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 13:01:19,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-11-28 13:01:19,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 127. [2018-11-28 13:01:19,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-11-28 13:01:19,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 147 transitions. [2018-11-28 13:01:19,686 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 147 transitions. Word has length 61 [2018-11-28 13:01:19,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:01:19,686 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 147 transitions. [2018-11-28 13:01:19,686 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 13:01:19,686 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 147 transitions. [2018-11-28 13:01:19,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-28 13:01:19,688 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:01:19,688 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:01:19,688 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:01:19,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:01:19,689 INFO L82 PathProgramCache]: Analyzing trace with hash 166077822, now seen corresponding path program 1 times [2018-11-28 13:01:19,689 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:01:19,689 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:01:19,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:01:19,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:01:19,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:01:19,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:01:19,745 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 13:01:19,746 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:01:19,746 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:01:19,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:01:19,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:01:19,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:01:19,747 INFO L87 Difference]: Start difference. First operand 127 states and 147 transitions. Second operand 3 states. [2018-11-28 13:01:19,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:01:19,757 INFO L93 Difference]: Finished difference Result 181 states and 211 transitions. [2018-11-28 13:01:19,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:01:19,757 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2018-11-28 13:01:19,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:01:19,758 INFO L225 Difference]: With dead ends: 181 [2018-11-28 13:01:19,758 INFO L226 Difference]: Without dead ends: 121 [2018-11-28 13:01:19,759 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 13:01:19,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-11-28 13:01:19,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-11-28 13:01:19,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-11-28 13:01:19,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 136 transitions. [2018-11-28 13:01:19,769 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 136 transitions. Word has length 65 [2018-11-28 13:01:19,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:01:19,769 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 136 transitions. [2018-11-28 13:01:19,769 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:01:19,770 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 136 transitions. [2018-11-28 13:01:19,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-28 13:01:19,771 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:01:19,771 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:01:19,771 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:01:19,771 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:01:19,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1898208394, now seen corresponding path program 1 times [2018-11-28 13:01:19,772 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:01:19,772 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:01:19,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:01:19,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:01:19,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:01:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:01:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:01:19,867 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 13:01:19,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:01:19 BoogieIcfgContainer [2018-11-28 13:01:19,953 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:01:19,953 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:01:19,954 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:01:19,954 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:01:19,955 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:01:18" (3/4) ... [2018-11-28 13:01:19,958 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 13:01:20,044 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_dfcf340f-6b80-4865-8d0b-b1b27b1efef2/bin-2019/uautomizer/witness.graphml [2018-11-28 13:01:20,044 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:01:20,045 INFO L168 Benchmark]: Toolchain (without parser) took 2230.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 956.0 MB in the beginning and 883.4 MB in the end (delta: 72.6 MB). Peak memory consumption was 226.8 MB. Max. memory is 11.5 GB. [2018-11-28 13:01:20,046 INFO L168 Benchmark]: CDTParser took 0.14 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 13:01:20,046 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -187.0 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:01:20,046 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.99 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 13:01:20,047 INFO L168 Benchmark]: Boogie Preprocessor took 22.84 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: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-28 13:01:20,047 INFO L168 Benchmark]: RCFGBuilder took 383.05 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: 39.7 MB). Peak memory consumption was 39.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:01:20,047 INFO L168 Benchmark]: TraceAbstraction took 1363.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 905.9 MB in the end (delta: 194.2 MB). Peak memory consumption was 194.2 MB. Max. memory is 11.5 GB. [2018-11-28 13:01:20,047 INFO L168 Benchmark]: Witness Printer took 90.92 ms. Allocated memory is still 1.2 GB. Free memory was 905.9 MB in the beginning and 883.4 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2018-11-28 13:01:20,049 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 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 343.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -187.0 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.99 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 22.84 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: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 383.05 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: 39.7 MB). Peak memory consumption was 39.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1363.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 905.9 MB in the end (delta: 194.2 MB). Peak memory consumption was 194.2 MB. Max. memory is 11.5 GB. * Witness Printer took 90.92 ms. Allocated memory is still 1.2 GB. Free memory was 905.9 MB in the beginning and 883.4 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 168]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L84] int waterLevel = 1; [L85] int methaneLevelCritical = 0; [L342] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L613] int pumpRunning = 0; [L614] int systemActive = 1; [L781] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=198, \old(head)=201, \old(head)=182, \old(methaneLevelCritical)=152, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=146, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L854] int retValue_acc ; [L855] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L859] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L860] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L861] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); VAL [\old(methaneLevelCritical)=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] [L861] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L861] tmp = valid_product() [L863] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L865] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L866] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L848] CALL test() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L543] int splverifierCounter ; [L544] int tmp ; [L545] int tmp___0 ; [L546] int tmp___1 ; [L547] int tmp___2 ; [L550] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L552] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L554] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L560] tmp = __VERIFIER_nondet_int() [L562] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L564] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L102] COND TRUE waterLevel < 2 [L103] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L564] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L570] tmp___0 = __VERIFIER_nondet_int() [L572] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=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] [L580] tmp___2 = __VERIFIER_nondet_int() [L582] COND FALSE !(\read(tmp___2)) [L588] tmp___1 = __VERIFIER_nondet_int() [L590] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L597] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L621] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L628] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L630] FCALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L636] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L748] int tmp ; [L749] int tmp___0 ; [L750] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L754] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L123] int retValue_acc ; [L126] retValue_acc = methaneLevelCritical [L127] return (retValue_acc); VAL [\old(methaneLevelCritical)=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] [L754] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L754] tmp = isMethaneLevelCritical() [L756] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L760] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L155] int retValue_acc ; [L158] retValue_acc = waterLevel [L159] return (retValue_acc); VAL [\old(methaneLevelCritical)=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] [L760] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L760] tmp___0 = getWaterLevel() [L762] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=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] [L764] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L694] int retValue_acc ; [L697] retValue_acc = pumpRunning [L698] return (retValue_acc); VAL [\old(methaneLevelCritical)=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] [L764] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=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] [L764] tmp___1 = isPumpRunning() [L766] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=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] [L770] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L168] __VERIFIER_error() VAL [\old(methaneLevelCritical)=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 21 procedures, 104 locations, 1 error locations. UNSAFE Result, 1.3s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 479 SDtfs, 196 SDslu, 592 SDs, 0 SdLazy, 145 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 354 NumberOfCodeBlocks, 354 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 284 ConstructedInterpolants, 0 QuantifiedInterpolants, 27840 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...