./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec3_product08_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec3_product08_false-unreach-call_false-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 7ed6f6fcca911d6d9d1e7f48bc21f435c586726c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.24-91b1670 [2018-11-28 18:41:56,182 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:41:56,184 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:41:56,199 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:41:56,199 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:41:56,202 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:41:56,203 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:41:56,205 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:41:56,209 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:41:56,210 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:41:56,211 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:41:56,211 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:41:56,212 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:41:56,213 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:41:56,214 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:41:56,215 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:41:56,216 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:41:56,218 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:41:56,220 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:41:56,222 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:41:56,223 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:41:56,224 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:41:56,227 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:41:56,227 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:41:56,227 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:41:56,228 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:41:56,229 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:41:56,230 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:41:56,231 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:41:56,232 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:41:56,232 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:41:56,233 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:41:56,233 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:41:56,234 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:41:56,235 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:41:56,236 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:41:56,236 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:41:56,252 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:41:56,252 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:41:56,253 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:41:56,253 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:41:56,253 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:41:56,254 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:41:56,254 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:41:56,254 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:41:56,254 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:41:56,254 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:41:56,255 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:41:56,255 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:41:56,255 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:41:56,255 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:41:56,255 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:41:56,255 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:41:56,256 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:41:56,256 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:41:56,256 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:41:56,256 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:41:56,256 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:41:56,257 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:41:56,257 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:41:56,257 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:41:56,257 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:41:56,257 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:41:56,257 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:41:56,258 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:41:56,258 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:41:56,258 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:41:56,258 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 7ed6f6fcca911d6d9d1e7f48bc21f435c586726c [2018-11-28 18:41:56,297 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:41:56,310 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:41:56,314 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:41:56,315 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:41:56,316 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:41:56,317 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec3_product08_false-unreach-call_false-termination.cil.c [2018-11-28 18:41:56,378 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f08a07308/7c99561ce926488489986c61a366df57/FLAG3593447d3 [2018-11-28 18:41:56,897 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:41:56,898 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec3_product08_false-unreach-call_false-termination.cil.c [2018-11-28 18:41:56,911 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f08a07308/7c99561ce926488489986c61a366df57/FLAG3593447d3 [2018-11-28 18:41:57,160 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f08a07308/7c99561ce926488489986c61a366df57 [2018-11-28 18:41:57,165 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:41:57,166 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:41:57,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:41:57,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:41:57,172 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:41:57,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:41:57" (1/1) ... [2018-11-28 18:41:57,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f6462de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:41:57, skipping insertion in model container [2018-11-28 18:41:57,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:41:57" (1/1) ... [2018-11-28 18:41:57,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:41:57,250 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:41:57,689 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:41:57,708 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:41:57,804 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:41:57,858 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:41:57,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:41:57 WrapperNode [2018-11-28 18:41:57,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:41:57,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:41:57,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:41:57,861 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:41:57,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:41:57" (1/1) ... [2018-11-28 18:41:57,976 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:41:57" (1/1) ... [2018-11-28 18:41:57,987 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:41:57,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:41:57,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:41:57,988 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:41:58,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:41:57" (1/1) ... [2018-11-28 18:41:58,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:41:57" (1/1) ... [2018-11-28 18:41:58,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:41:57" (1/1) ... [2018-11-28 18:41:58,005 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:41:57" (1/1) ... [2018-11-28 18:41:58,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:41:57" (1/1) ... [2018-11-28 18:41:58,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:41:57" (1/1) ... [2018-11-28 18:41:58,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:41:57" (1/1) ... [2018-11-28 18:41:58,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:41:58,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:41:58,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:41:58,067 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:41:58,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:41:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 18:41:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:41:58,147 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:41:58,149 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:41:58,149 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:41:58,149 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 18:41:58,149 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 18:41:58,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:41:58,150 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:41:58,150 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:41:58,150 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:41:58,150 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:41:58,150 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:41:58,151 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:41:58,151 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:41:58,151 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:41:58,151 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 18:41:58,151 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 18:41:58,151 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:41:58,155 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:41:58,155 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:41:58,156 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:41:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:41:58,156 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:41:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:41:58,156 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:41:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 18:41:58,156 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 18:41:58,158 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:41:58,158 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:41:58,159 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:41:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:41:58,159 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:41:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:41:58,162 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:41:58,162 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:41:58,162 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:41:58,162 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:41:58,162 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:41:58,162 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:41:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:41:58,163 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:41:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:41:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:41:58,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:41:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:41:58,164 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:41:58,164 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-28 18:41:58,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-28 18:41:58,164 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:41:58,164 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:41:58,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:41:58,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:41:59,169 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:41:59,170 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:41:59,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:41:59 BoogieIcfgContainer [2018-11-28 18:41:59,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:41:59,172 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:41:59,172 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:41:59,176 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:41:59,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:41:57" (1/3) ... [2018-11-28 18:41:59,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cafceb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:41:59, skipping insertion in model container [2018-11-28 18:41:59,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:41:57" (2/3) ... [2018-11-28 18:41:59,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cafceb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:41:59, skipping insertion in model container [2018-11-28 18:41:59,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:41:59" (3/3) ... [2018-11-28 18:41:59,180 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product08_false-unreach-call_false-termination.cil.c [2018-11-28 18:41:59,192 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:41:59,202 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:41:59,221 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:41:59,263 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:41:59,264 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:41:59,264 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:41:59,264 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:41:59,265 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:41:59,266 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:41:59,266 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:41:59,266 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:41:59,266 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:41:59,292 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2018-11-28 18:41:59,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:41:59,304 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:41:59,306 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 18:41:59,308 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:41:59,315 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:41:59,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1125929210, now seen corresponding path program 1 times [2018-11-28 18:41:59,318 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:41:59,319 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:41:59,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:41:59,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:41:59,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:41:59,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:41:59,688 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 18:41:59,691 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:41:59,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:41:59,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:41:59,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:41:59,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:41:59,716 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 2 states. [2018-11-28 18:41:59,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:41:59,766 INFO L93 Difference]: Finished difference Result 230 states and 287 transitions. [2018-11-28 18:41:59,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:41:59,768 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-28 18:41:59,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:41:59,787 INFO L225 Difference]: With dead ends: 230 [2018-11-28 18:41:59,787 INFO L226 Difference]: Without dead ends: 115 [2018-11-28 18:41:59,793 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 18:41:59,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-11-28 18:41:59,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-11-28 18:41:59,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-11-28 18:41:59,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2018-11-28 18:41:59,866 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 52 [2018-11-28 18:41:59,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:41:59,867 INFO L480 AbstractCegarLoop]: Abstraction has 115 states and 135 transitions. [2018-11-28 18:41:59,867 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:41:59,868 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2018-11-28 18:41:59,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-28 18:41:59,875 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:41:59,875 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 18:41:59,875 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:41:59,876 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:41:59,876 INFO L82 PathProgramCache]: Analyzing trace with hash -307377261, now seen corresponding path program 1 times [2018-11-28 18:41:59,876 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:41:59,876 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:41:59,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:41:59,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:41:59,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:41:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:00,073 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 18:42:00,073 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:42:00,074 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:42:00,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:42:00,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:42:00,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:42:00,079 INFO L87 Difference]: Start difference. First operand 115 states and 135 transitions. Second operand 3 states. [2018-11-28 18:42:00,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:42:00,133 INFO L93 Difference]: Finished difference Result 169 states and 197 transitions. [2018-11-28 18:42:00,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:42:00,134 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-28 18:42:00,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:42:00,137 INFO L225 Difference]: With dead ends: 169 [2018-11-28 18:42:00,138 INFO L226 Difference]: Without dead ends: 106 [2018-11-28 18:42:00,139 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 18:42:00,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-11-28 18:42:00,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-11-28 18:42:00,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-11-28 18:42:00,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 123 transitions. [2018-11-28 18:42:00,156 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 123 transitions. Word has length 53 [2018-11-28 18:42:00,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:42:00,156 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 123 transitions. [2018-11-28 18:42:00,157 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:42:00,158 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2018-11-28 18:42:00,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-28 18:42:00,160 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:00,161 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 18:42:00,161 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:00,161 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:00,161 INFO L82 PathProgramCache]: Analyzing trace with hash -812957017, now seen corresponding path program 1 times [2018-11-28 18:42:00,162 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:00,163 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:00,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:00,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:00,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:00,414 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 18:42:00,415 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:42:00,415 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:42:00,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:42:00,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:42:00,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:42:00,417 INFO L87 Difference]: Start difference. First operand 106 states and 123 transitions. Second operand 7 states. [2018-11-28 18:42:01,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:42:01,674 INFO L93 Difference]: Finished difference Result 326 states and 396 transitions. [2018-11-28 18:42:01,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:42:01,676 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-28 18:42:01,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:42:01,681 INFO L225 Difference]: With dead ends: 326 [2018-11-28 18:42:01,681 INFO L226 Difference]: Without dead ends: 244 [2018-11-28 18:42:01,682 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:42:01,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2018-11-28 18:42:01,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 232. [2018-11-28 18:42:01,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2018-11-28 18:42:01,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 281 transitions. [2018-11-28 18:42:01,723 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 281 transitions. Word has length 58 [2018-11-28 18:42:01,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:42:01,724 INFO L480 AbstractCegarLoop]: Abstraction has 232 states and 281 transitions. [2018-11-28 18:42:01,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:42:01,724 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 281 transitions. [2018-11-28 18:42:01,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-28 18:42:01,731 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:01,731 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] [2018-11-28 18:42:01,731 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:01,732 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:01,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1074656625, now seen corresponding path program 1 times [2018-11-28 18:42:01,733 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:01,733 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:01,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:01,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:01,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:01,980 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 18:42:01,981 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:42:01,981 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:42:01,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:42:01,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:42:01,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:42:01,983 INFO L87 Difference]: Start difference. First operand 232 states and 281 transitions. Second operand 6 states. [2018-11-28 18:42:02,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:42:02,889 INFO L93 Difference]: Finished difference Result 621 states and 789 transitions. [2018-11-28 18:42:02,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:42:02,890 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-11-28 18:42:02,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:42:02,897 INFO L225 Difference]: With dead ends: 621 [2018-11-28 18:42:02,898 INFO L226 Difference]: Without dead ends: 413 [2018-11-28 18:42:02,900 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:42:02,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2018-11-28 18:42:02,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 407. [2018-11-28 18:42:02,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2018-11-28 18:42:02,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 504 transitions. [2018-11-28 18:42:02,961 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 504 transitions. Word has length 63 [2018-11-28 18:42:02,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:42:02,962 INFO L480 AbstractCegarLoop]: Abstraction has 407 states and 504 transitions. [2018-11-28 18:42:02,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:42:02,962 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 504 transitions. [2018-11-28 18:42:02,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-28 18:42:02,969 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:02,969 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:42:02,969 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:02,969 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:02,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1107099351, now seen corresponding path program 1 times [2018-11-28 18:42:02,970 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:02,971 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:02,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:02,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:02,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:03,191 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 18:42:03,191 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:42:03,192 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 18:42:03,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 18:42:03,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 18:42:03,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:42:03,193 INFO L87 Difference]: Start difference. First operand 407 states and 504 transitions. Second operand 4 states. [2018-11-28 18:42:03,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:42:03,718 INFO L93 Difference]: Finished difference Result 708 states and 897 transitions. [2018-11-28 18:42:03,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 18:42:03,718 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2018-11-28 18:42:03,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:42:03,724 INFO L225 Difference]: With dead ends: 708 [2018-11-28 18:42:03,725 INFO L226 Difference]: Without dead ends: 325 [2018-11-28 18:42:03,732 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:42:03,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2018-11-28 18:42:03,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 317. [2018-11-28 18:42:03,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-11-28 18:42:03,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 368 transitions. [2018-11-28 18:42:03,776 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 368 transitions. Word has length 67 [2018-11-28 18:42:03,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:42:03,777 INFO L480 AbstractCegarLoop]: Abstraction has 317 states and 368 transitions. [2018-11-28 18:42:03,777 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 18:42:03,777 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 368 transitions. [2018-11-28 18:42:03,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-28 18:42:03,780 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:03,780 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:42:03,780 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:03,780 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:03,781 INFO L82 PathProgramCache]: Analyzing trace with hash -1270012169, now seen corresponding path program 1 times [2018-11-28 18:42:03,781 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:03,781 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:03,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:03,782 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:03,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 18:42:03,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 18:42:04,009 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 18:42:04,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:42:04 BoogieIcfgContainer [2018-11-28 18:42:04,227 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:42:04,228 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:42:04,228 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:42:04,228 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:42:04,232 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:41:59" (3/4) ... [2018-11-28 18:42:04,237 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 18:42:04,445 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:42:04,445 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:42:04,446 INFO L168 Benchmark]: Toolchain (without parser) took 7280.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 209.2 MB). Free memory was 951.4 MB in the beginning and 1.2 GB in the end (delta: -232.6 MB). Peak memory consumption was 285.9 MB. Max. memory is 11.5 GB. [2018-11-28 18:42:04,447 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:42:04,448 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.79 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 917.8 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:42:04,448 INFO L168 Benchmark]: Boogie Procedure Inliner took 126.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 917.8 MB in the beginning and 1.1 GB in the end (delta: -207.4 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:42:04,448 INFO L168 Benchmark]: Boogie Preprocessor took 76.98 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 18:42:04,452 INFO L168 Benchmark]: RCFGBuilder took 1105.78 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2018-11-28 18:42:04,453 INFO L168 Benchmark]: TraceAbstraction took 5055.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 823.7 MB in the end (delta: 257.6 MB). Peak memory consumption was 257.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:42:04,453 INFO L168 Benchmark]: Witness Printer took 217.14 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.4 MB). Free memory was 823.7 MB in the beginning and 1.2 GB in the end (delta: -360.3 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:42:04,456 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 691.79 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 917.8 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 126.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 917.8 MB in the beginning and 1.1 GB in the end (delta: -207.4 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 76.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1105.78 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5055.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 823.7 MB in the end (delta: 257.6 MB). Peak memory consumption was 257.6 MB. Max. memory is 11.5 GB. * Witness Printer took 217.14 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.4 MB). Free memory was 823.7 MB in the beginning and 1.2 GB in the end (delta: -360.3 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 532]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L247] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L448] int waterLevel = 1; [L449] int methaneLevelCritical = 0; [L613] int pumpRunning = 0; [L614] int systemActive = 1; [L807] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=193, \old(head)=179, \old(head)=200, \old(methaneLevelCritical)=155, \old(pumpRunning)=147, \old(systemActive)=146, \old(waterLevel)=150, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L880] int retValue_acc ; [L881] 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] [L885] 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] [L886] 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] [L887] 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] [L798] int retValue_acc ; [L801] retValue_acc = 1 [L802] 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] [L887] 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] [L887] tmp = valid_product() [L889] 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] [L891] 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] [L892] 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] [L874] 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] [L542] int splverifierCounter ; [L543] int tmp ; [L544] int tmp___0 ; [L545] int tmp___1 ; [L546] int tmp___2 ; [L549] 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] [L551] 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] [L553] 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] [L559] tmp = __VERIFIER_nondet_int() [L561] 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] [L563] 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] [L466] COND TRUE waterLevel < 2 [L467] 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] [L563] 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] [L569] tmp___0 = __VERIFIER_nondet_int() [L571] 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] [L579] tmp___2 = __VERIFIER_nondet_int() [L581] COND FALSE !(\read(tmp___2)) [L587] tmp___1 = __VERIFIER_nondet_int() [L589] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L591] CALL stopSystem() 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] [L749] COND FALSE !(\read(pumpRunning)) 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] [L756] systemActive = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L591] RET stopSystem() 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=0, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L598] 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=0, waterLevel=2] [L620] 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=0, waterLevel=2] [L627] COND FALSE !(\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=0, waterLevel=2] [L635] 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=0, 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=0, 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=0, waterLevel=2] [L487] int retValue_acc ; [L490] retValue_acc = methaneLevelCritical [L491] 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=0, 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=0, 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=0, 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=0, waterLevel=2] [L519] int retValue_acc ; [L522] retValue_acc = waterLevel [L523] 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=0, 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=0, 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=0, 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=0, waterLevel=2] [L701] int retValue_acc ; [L704] retValue_acc = pumpRunning [L705] 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=0, 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=0, 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=0, 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=0, waterLevel=2] [L532] __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=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 128 locations, 1 error locations. UNSAFE Result, 4.9s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 2.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 653 SDtfs, 378 SDslu, 1133 SDs, 0 SdLazy, 284 SolverSat, 76 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=407occurred 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: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 26 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 288 ConstructedInterpolants, 0 QuantifiedInterpolants, 29244 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...