./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product05_true-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_spec4_product05_true-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 229890f5f6e9af6d15d776f98b90421cce07d395 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 18:46:15,168 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:46:15,170 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:46:15,183 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:46:15,183 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:46:15,184 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:46:15,186 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:46:15,191 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:46:15,193 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:46:15,194 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:46:15,195 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:46:15,195 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:46:15,196 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:46:15,197 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:46:15,198 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:46:15,199 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:46:15,200 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:46:15,202 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:46:15,204 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:46:15,205 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:46:15,206 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:46:15,207 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:46:15,210 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:46:15,210 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:46:15,211 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:46:15,212 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:46:15,213 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:46:15,213 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:46:15,214 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:46:15,215 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:46:15,216 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:46:15,216 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:46:15,217 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:46:15,217 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:46:15,218 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:46:15,218 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:46:15,219 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:46:15,234 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:46:15,234 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:46:15,235 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:46:15,235 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:46:15,236 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:46:15,236 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:46:15,236 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:46:15,236 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:46:15,237 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:46:15,237 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:46:15,237 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:46:15,237 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:46:15,237 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:46:15,238 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:46:15,238 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:46:15,238 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:46:15,238 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:46:15,238 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:46:15,238 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:46:15,239 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:46:15,239 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:46:15,239 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:46:15,239 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:46:15,239 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:46:15,240 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:46:15,240 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:46:15,240 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:46:15,240 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:46:15,240 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:46:15,241 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:46:15,241 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 -> 229890f5f6e9af6d15d776f98b90421cce07d395 [2018-11-28 18:46:15,307 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:46:15,328 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:46:15,333 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:46:15,337 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:46:15,337 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:46:15,338 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product05_true-unreach-call_false-termination.cil.c [2018-11-28 18:46:15,393 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e18f58e7e/61447cb9aa3a441c9a92022a74d94089/FLAG1c7e28b67 [2018-11-28 18:46:15,900 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:46:15,902 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product05_true-unreach-call_false-termination.cil.c [2018-11-28 18:46:15,924 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e18f58e7e/61447cb9aa3a441c9a92022a74d94089/FLAG1c7e28b67 [2018-11-28 18:46:16,193 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e18f58e7e/61447cb9aa3a441c9a92022a74d94089 [2018-11-28 18:46:16,196 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:46:16,198 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:46:16,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:46:16,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:46:16,203 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:46:16,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:46:16" (1/1) ... [2018-11-28 18:46:16,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@787a80ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:16, skipping insertion in model container [2018-11-28 18:46:16,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:46:16" (1/1) ... [2018-11-28 18:46:16,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:46:16,274 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:46:16,713 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:46:16,731 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:46:16,823 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:46:16,867 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:46:16,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:16 WrapperNode [2018-11-28 18:46:16,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:46:16,868 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:46:16,868 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:46:16,869 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:46:16,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:16" (1/1) ... [2018-11-28 18:46:16,971 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:16" (1/1) ... [2018-11-28 18:46:16,982 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:46:16,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:46:16,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:46:16,982 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:46:16,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:16" (1/1) ... [2018-11-28 18:46:16,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:16" (1/1) ... [2018-11-28 18:46:17,004 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:16" (1/1) ... [2018-11-28 18:46:17,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:16" (1/1) ... [2018-11-28 18:46:17,016 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:16" (1/1) ... [2018-11-28 18:46:17,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:16" (1/1) ... [2018-11-28 18:46:17,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:16" (1/1) ... [2018-11-28 18:46:17,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:46:17,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:46:17,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:46:17,033 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:46:17,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:16" (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 18:46:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:46:17,091 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:46:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:46:17,092 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:46:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:46:17,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:46:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:46:17,092 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:46:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:46:17,093 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:46:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:46:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:46:17,093 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:46:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:46:17,093 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:46:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:46:17,095 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:46:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:46:17,095 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:46:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:46:17,096 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:46:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:46:17,097 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:46:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:46:17,097 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:46:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:46:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:46:17,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:46:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 18:46:17,097 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 18:46:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:46:17,098 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:46:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:46:17,098 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:46:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:46:17,098 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:46:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:46:17,098 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:46:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:46:17,100 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:46:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:46:17,100 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:46:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:46:17,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:46:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:46:17,101 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:46:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:46:17,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:46:18,030 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:46:18,031 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:46:18,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:46:18 BoogieIcfgContainer [2018-11-28 18:46:18,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:46:18,033 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:46:18,033 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:46:18,036 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:46:18,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:46:16" (1/3) ... [2018-11-28 18:46:18,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@320ce8d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:46:18, skipping insertion in model container [2018-11-28 18:46:18,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:16" (2/3) ... [2018-11-28 18:46:18,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@320ce8d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:46:18, skipping insertion in model container [2018-11-28 18:46:18,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:46:18" (3/3) ... [2018-11-28 18:46:18,040 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product05_true-unreach-call_false-termination.cil.c [2018-11-28 18:46:18,048 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:46:18,057 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:46:18,075 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:46:18,106 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:46:18,107 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:46:18,107 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:46:18,107 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:46:18,108 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:46:18,108 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:46:18,108 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:46:18,108 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:46:18,108 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:46:18,131 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2018-11-28 18:46:18,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 18:46:18,141 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:18,142 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:46:18,144 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:18,150 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:18,151 INFO L82 PathProgramCache]: Analyzing trace with hash 819205639, now seen corresponding path program 1 times [2018-11-28 18:46:18,153 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:18,153 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:18,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:18,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:18,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:18,452 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 18:46:18,455 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:18,455 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:46:18,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:46:18,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:46:18,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:46:18,478 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2018-11-28 18:46:18,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:18,517 INFO L93 Difference]: Finished difference Result 204 states and 253 transitions. [2018-11-28 18:46:18,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:46:18,518 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 18:46:18,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:18,531 INFO L225 Difference]: With dead ends: 204 [2018-11-28 18:46:18,531 INFO L226 Difference]: Without dead ends: 102 [2018-11-28 18:46:18,535 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 18:46:18,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-11-28 18:46:18,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2018-11-28 18:46:18,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-11-28 18:46:18,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 118 transitions. [2018-11-28 18:46:18,605 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 118 transitions. Word has length 46 [2018-11-28 18:46:18,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:18,606 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 118 transitions. [2018-11-28 18:46:18,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:46:18,606 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 118 transitions. [2018-11-28 18:46:18,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 18:46:18,610 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:18,610 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:46:18,611 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:18,611 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:18,611 INFO L82 PathProgramCache]: Analyzing trace with hash -812546756, now seen corresponding path program 1 times [2018-11-28 18:46:18,611 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:18,612 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:18,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:18,613 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:18,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:18,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:18,798 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 18:46:18,804 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:18,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:46:18,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:46:18,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:46:18,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:46:18,809 INFO L87 Difference]: Start difference. First operand 102 states and 118 transitions. Second operand 3 states. [2018-11-28 18:46:18,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:18,852 INFO L93 Difference]: Finished difference Result 153 states and 175 transitions. [2018-11-28 18:46:18,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:46:18,854 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 18:46:18,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:18,860 INFO L225 Difference]: With dead ends: 153 [2018-11-28 18:46:18,861 INFO L226 Difference]: Without dead ends: 93 [2018-11-28 18:46:18,862 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 18:46:18,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-11-28 18:46:18,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-11-28 18:46:18,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-11-28 18:46:18,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 106 transitions. [2018-11-28 18:46:18,893 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 106 transitions. Word has length 47 [2018-11-28 18:46:18,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:18,894 INFO L480 AbstractCegarLoop]: Abstraction has 93 states and 106 transitions. [2018-11-28 18:46:18,894 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:46:18,894 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 106 transitions. [2018-11-28 18:46:18,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 18:46:18,901 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:18,902 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] [2018-11-28 18:46:18,902 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:18,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:18,902 INFO L82 PathProgramCache]: Analyzing trace with hash -234515182, now seen corresponding path program 1 times [2018-11-28 18:46:18,903 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:18,903 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:18,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:18,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:18,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:19,261 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 18:46:19,262 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:19,262 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:46:19,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:46:19,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:46:19,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:46:19,264 INFO L87 Difference]: Start difference. First operand 93 states and 106 transitions. Second operand 7 states. [2018-11-28 18:46:19,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:19,968 INFO L93 Difference]: Finished difference Result 162 states and 189 transitions. [2018-11-28 18:46:19,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:46:19,970 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-28 18:46:19,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:19,971 INFO L225 Difference]: With dead ends: 162 [2018-11-28 18:46:19,972 INFO L226 Difference]: Without dead ends: 93 [2018-11-28 18:46:19,973 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:46:19,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-11-28 18:46:19,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-11-28 18:46:19,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-11-28 18:46:19,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 105 transitions. [2018-11-28 18:46:19,993 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 105 transitions. Word has length 51 [2018-11-28 18:46:19,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:19,996 INFO L480 AbstractCegarLoop]: Abstraction has 93 states and 105 transitions. [2018-11-28 18:46:19,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:46:19,997 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 105 transitions. [2018-11-28 18:46:19,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-28 18:46:19,998 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:19,998 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:46:20,001 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:20,001 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:20,001 INFO L82 PathProgramCache]: Analyzing trace with hash -244441385, now seen corresponding path program 1 times [2018-11-28 18:46:20,001 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:20,002 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:20,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:20,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:20,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:20,365 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 18:46:20,367 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:20,367 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 18:46:20,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 18:46:20,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 18:46:20,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:46:20,370 INFO L87 Difference]: Start difference. First operand 93 states and 105 transitions. Second operand 10 states. [2018-11-28 18:46:21,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:21,517 INFO L93 Difference]: Finished difference Result 280 states and 341 transitions. [2018-11-28 18:46:21,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 18:46:21,520 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 59 [2018-11-28 18:46:21,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:21,527 INFO L225 Difference]: With dead ends: 280 [2018-11-28 18:46:21,528 INFO L226 Difference]: Without dead ends: 211 [2018-11-28 18:46:21,529 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:46:21,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-11-28 18:46:21,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 207. [2018-11-28 18:46:21,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-11-28 18:46:21,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 243 transitions. [2018-11-28 18:46:21,561 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 243 transitions. Word has length 59 [2018-11-28 18:46:21,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:21,562 INFO L480 AbstractCegarLoop]: Abstraction has 207 states and 243 transitions. [2018-11-28 18:46:21,562 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 18:46:21,562 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 243 transitions. [2018-11-28 18:46:21,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-28 18:46:21,566 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:21,566 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 18:46:21,566 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:21,566 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:21,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1455909629, now seen corresponding path program 1 times [2018-11-28 18:46:21,567 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:21,567 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:21,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:21,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:21,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:21,681 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 18:46:21,681 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:21,681 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:46:21,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:46:21,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:46:21,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:46:21,683 INFO L87 Difference]: Start difference. First operand 207 states and 243 transitions. Second operand 3 states. [2018-11-28 18:46:21,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:21,745 INFO L93 Difference]: Finished difference Result 332 states and 400 transitions. [2018-11-28 18:46:21,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:46:21,746 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2018-11-28 18:46:21,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:21,748 INFO L225 Difference]: With dead ends: 332 [2018-11-28 18:46:21,748 INFO L226 Difference]: Without dead ends: 149 [2018-11-28 18:46:21,750 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:46:21,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-11-28 18:46:21,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-11-28 18:46:21,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-11-28 18:46:21,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 167 transitions. [2018-11-28 18:46:21,772 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 167 transitions. Word has length 63 [2018-11-28 18:46:21,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:21,775 INFO L480 AbstractCegarLoop]: Abstraction has 149 states and 167 transitions. [2018-11-28 18:46:21,775 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:46:21,775 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 167 transitions. [2018-11-28 18:46:21,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-28 18:46:21,778 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:21,779 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:46:21,779 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:21,779 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:21,780 INFO L82 PathProgramCache]: Analyzing trace with hash -1818486333, now seen corresponding path program 1 times [2018-11-28 18:46:21,780 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:21,780 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:21,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:21,782 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:21,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:22,169 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-28 18:46:22,169 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:46:22,170 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:46:22,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:22,338 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:46:22,678 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 18:46:22,707 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 18:46:22,707 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-28 18:46:22,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 18:46:22,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 18:46:22,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-11-28 18:46:22,709 INFO L87 Difference]: Start difference. First operand 149 states and 167 transitions. Second operand 12 states. [2018-11-28 18:46:24,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:24,012 INFO L93 Difference]: Finished difference Result 191 states and 215 transitions. [2018-11-28 18:46:24,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:46:24,013 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 98 [2018-11-28 18:46:24,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:24,014 INFO L225 Difference]: With dead ends: 191 [2018-11-28 18:46:24,014 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:46:24,015 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-11-28 18:46:24,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:46:24,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:46:24,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:46:24,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:46:24,016 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2018-11-28 18:46:24,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:24,016 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:46:24,017 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 18:46:24,017 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:46:24,017 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:46:24,022 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:46:24,529 WARN L180 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 19 [2018-11-28 18:46:24,666 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 17 [2018-11-28 18:46:25,078 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 24 [2018-11-28 18:46:25,671 WARN L180 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 24 [2018-11-28 18:46:26,187 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 24 [2018-11-28 18:46:26,246 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 731 738) the Hoare annotation is: true [2018-11-28 18:46:26,246 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 731 738) no Hoare annotation was computed. [2018-11-28 18:46:26,246 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 731 738) no Hoare annotation was computed. [2018-11-28 18:46:26,246 INFO L444 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-28 18:46:26,246 INFO L448 ceAbstractionStarter]: For program point L704-1(line 704) no Hoare annotation was computed. [2018-11-28 18:46:26,246 INFO L448 ceAbstractionStarter]: For program point L702(lines 702 719) no Hoare annotation was computed. [2018-11-28 18:46:26,246 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 698 722) no Hoare annotation was computed. [2018-11-28 18:46:26,247 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 698 722) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-28 18:46:26,247 INFO L444 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-28 18:46:26,247 INFO L448 ceAbstractionStarter]: For program point L717-1(lines 698 722) no Hoare annotation was computed. [2018-11-28 18:46:26,247 INFO L444 ceAbstractionStarter]: At program point L712(line 712) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-28 18:46:26,247 INFO L444 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-28 18:46:26,247 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 714) no Hoare annotation was computed. [2018-11-28 18:46:26,247 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 850 856) the Hoare annotation is: true [2018-11-28 18:46:26,248 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 850 856) no Hoare annotation was computed. [2018-11-28 18:46:26,250 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 690 696) no Hoare annotation was computed. [2018-11-28 18:46:26,250 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 690 696) the Hoare annotation is: true [2018-11-28 18:46:26,250 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 857 865) no Hoare annotation was computed. [2018-11-28 18:46:26,250 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 857 865) the Hoare annotation is: true [2018-11-28 18:46:26,250 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 857 865) no Hoare annotation was computed. [2018-11-28 18:46:26,250 INFO L448 ceAbstractionStarter]: For program point L640(lines 640 644) no Hoare annotation was computed. [2018-11-28 18:46:26,251 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 594 657) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:26,251 INFO L444 ceAbstractionStarter]: At program point L640-2(lines 634 645) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:26,251 INFO L448 ceAbstractionStarter]: For program point L605(lines 604 649) no Hoare annotation was computed. [2018-11-28 18:46:26,251 INFO L448 ceAbstractionStarter]: For program point L634(lines 634 645) no Hoare annotation was computed. [2018-11-28 18:46:26,251 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 594 657) no Hoare annotation was computed. [2018-11-28 18:46:26,251 INFO L444 ceAbstractionStarter]: At program point L626(line 626) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:26,251 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 630) no Hoare annotation was computed. [2018-11-28 18:46:26,251 INFO L448 ceAbstractionStarter]: For program point L624-1(lines 624 630) no Hoare annotation was computed. [2018-11-28 18:46:26,252 INFO L444 ceAbstractionStarter]: At program point L616(line 616) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:26,252 INFO L444 ceAbstractionStarter]: At program point L647(lines 604 649) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:26,252 INFO L448 ceAbstractionStarter]: For program point L614(lines 614 620) no Hoare annotation was computed. [2018-11-28 18:46:26,252 INFO L448 ceAbstractionStarter]: For program point L614-1(lines 614 620) no Hoare annotation was computed. [2018-11-28 18:46:26,252 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 610) no Hoare annotation was computed. [2018-11-28 18:46:26,252 INFO L444 ceAbstractionStarter]: At program point L650(lines 603 651) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:26,252 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 594 657) no Hoare annotation was computed. [2018-11-28 18:46:26,252 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 797 821) the Hoare annotation is: true [2018-11-28 18:46:26,256 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 797 821) no Hoare annotation was computed. [2018-11-28 18:46:26,257 INFO L444 ceAbstractionStarter]: At program point L811(line 811) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-28 18:46:26,257 INFO L448 ceAbstractionStarter]: For program point L809(lines 809 815) no Hoare annotation was computed. [2018-11-28 18:46:26,257 INFO L444 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-28 18:46:26,257 INFO L448 ceAbstractionStarter]: For program point L807-1(line 807) no Hoare annotation was computed. [2018-11-28 18:46:26,257 INFO L448 ceAbstractionStarter]: For program point L805(lines 805 818) no Hoare annotation was computed. [2018-11-28 18:46:26,257 INFO L448 ceAbstractionStarter]: For program point L805-1(lines 797 821) no Hoare annotation was computed. [2018-11-28 18:46:26,257 INFO L451 ceAbstractionStarter]: At program point L803(line 803) the Hoare annotation is: true [2018-11-28 18:46:26,257 INFO L448 ceAbstractionStarter]: For program point L803-1(line 803) no Hoare annotation was computed. [2018-11-28 18:46:26,258 INFO L444 ceAbstractionStarter]: At program point L577(line 577) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:26,258 INFO L444 ceAbstractionStarter]: At program point L576(line 576) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:26,258 INFO L444 ceAbstractionStarter]: At program point L576-1(line 576) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:26,258 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 570 592) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:26,258 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 570 592) no Hoare annotation was computed. [2018-11-28 18:46:26,258 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 570 592) no Hoare annotation was computed. [2018-11-28 18:46:26,258 INFO L444 ceAbstractionStarter]: At program point L582(line 582) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= main_~tmp~3 ~systemActive~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:26,258 INFO L444 ceAbstractionStarter]: At program point L582-1(line 582) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= main_~tmp~3 ~systemActive~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:26,258 INFO L448 ceAbstractionStarter]: For program point L580(lines 580 587) no Hoare annotation was computed. [2018-11-28 18:46:26,259 INFO L448 ceAbstractionStarter]: For program point L580-1(lines 580 587) no Hoare annotation was computed. [2018-11-28 18:46:26,259 INFO L448 ceAbstractionStarter]: For program point L578(line 578) no Hoare annotation was computed. [2018-11-28 18:46:26,259 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 750 758) no Hoare annotation was computed. [2018-11-28 18:46:26,259 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 750 758) the Hoare annotation is: true [2018-11-28 18:46:26,259 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 750 758) no Hoare annotation was computed. [2018-11-28 18:46:26,259 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:46:26,259 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-28 18:46:26,259 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:46:26,259 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2018-11-28 18:46:26,259 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2018-11-28 18:46:26,260 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2018-11-28 18:46:26,260 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: true [2018-11-28 18:46:26,260 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2018-11-28 18:46:26,260 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2018-11-28 18:46:26,260 INFO L444 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) .cse1) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-28 18:46:26,260 INFO L448 ceAbstractionStarter]: For program point L670(lines 669 688) no Hoare annotation was computed. [2018-11-28 18:46:26,260 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 666 689) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2) .cse2) (or .cse0 (and .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-28 18:46:26,260 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 666 689) no Hoare annotation was computed. [2018-11-28 18:46:26,261 INFO L444 ceAbstractionStarter]: At program point L679(line 679) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2) .cse2) (or .cse0 (and .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-28 18:46:26,261 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 666 689) no Hoare annotation was computed. [2018-11-28 18:46:26,261 INFO L444 ceAbstractionStarter]: At program point L677(lines 677 683) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2) .cse2) (or .cse0 (and .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-28 18:46:26,261 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 494 523) no Hoare annotation was computed. [2018-11-28 18:46:26,261 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 494 523) the Hoare annotation is: true [2018-11-28 18:46:26,261 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 512) no Hoare annotation was computed. [2018-11-28 18:46:26,261 INFO L451 ceAbstractionStarter]: At program point L508-1(lines 508 512) the Hoare annotation is: true [2018-11-28 18:46:26,261 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-28 18:46:26,262 INFO L451 ceAbstractionStarter]: At program point L504-2(lines 504 518) the Hoare annotation is: true [2018-11-28 18:46:26,262 INFO L451 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: true [2018-11-28 18:46:26,262 INFO L448 ceAbstractionStarter]: For program point L500-1(line 500) no Hoare annotation was computed. [2018-11-28 18:46:26,262 INFO L451 ceAbstractionStarter]: At program point L519(lines 494 523) the Hoare annotation is: true [2018-11-28 18:46:26,262 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-28 18:46:26,262 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2018-11-28 18:46:26,262 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2018-11-28 18:46:26,262 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2018-11-28 18:46:26,263 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2018-11-28 18:46:26,263 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2018-11-28 18:46:26,263 INFO L448 ceAbstractionStarter]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2018-11-28 18:46:26,263 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 843 849) no Hoare annotation was computed. [2018-11-28 18:46:26,263 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 843 849) the Hoare annotation is: true [2018-11-28 18:46:26,263 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 549 555) no Hoare annotation was computed. [2018-11-28 18:46:26,263 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 549 555) the Hoare annotation is: true [2018-11-28 18:46:26,263 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:46:26,263 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-11-28 18:46:26,263 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:46:26,264 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:46:26,264 INFO L448 ceAbstractionStarter]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2018-11-28 18:46:26,264 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2018-11-28 18:46:26,264 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0) .cse1 (< |old(~waterLevel~0)| 2)) (or .cse0 (= ~waterLevel~0 1) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-28 18:46:26,264 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 823 830) no Hoare annotation was computed. [2018-11-28 18:46:26,264 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 827) no Hoare annotation was computed. [2018-11-28 18:46:26,264 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 823 830) the Hoare annotation is: true [2018-11-28 18:46:26,264 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 823 830) no Hoare annotation was computed. [2018-11-28 18:46:26,265 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 557 566) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:26,265 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 557 566) no Hoare annotation was computed. [2018-11-28 18:46:26,265 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 557 566) no Hoare annotation was computed. [2018-11-28 18:46:26,265 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 739 749) the Hoare annotation is: true [2018-11-28 18:46:26,265 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 739 749) no Hoare annotation was computed. [2018-11-28 18:46:26,265 INFO L451 ceAbstractionStarter]: At program point L744(line 744) the Hoare annotation is: true [2018-11-28 18:46:26,265 INFO L448 ceAbstractionStarter]: For program point L744-1(line 744) no Hoare annotation was computed. [2018-11-28 18:46:26,265 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 739 749) no Hoare annotation was computed. [2018-11-28 18:46:26,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:46:26 BoogieIcfgContainer [2018-11-28 18:46:26,284 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:46:26,285 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:46:26,285 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:46:26,285 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:46:26,286 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:46:18" (3/4) ... [2018-11-28 18:46:26,289 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:46:26,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:46:26,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:46:26,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:46:26,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:46:26,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:46:26,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:46:26,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:46:26,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:46:26,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:46:26,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:46:26,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 18:46:26,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:46:26,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:46:26,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:46:26,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:46:26,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:46:26,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:46:26,298 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:46:26,298 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:46:26,298 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:46:26,298 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:46:26,298 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 18:46:26,307 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2018-11-28 18:46:26,308 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 18:46:26,309 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-28 18:46:26,309 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:46:26,310 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:46:26,310 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:46:26,341 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && \old(waterLevel) <= waterLevel) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-28 18:46:26,341 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-28 18:46:26,398 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:46:26,399 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:46:26,400 INFO L168 Benchmark]: Toolchain (without parser) took 10202.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 188.2 MB). Free memory was 948.7 MB in the beginning and 909.4 MB in the end (delta: 39.3 MB). Peak memory consumption was 227.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:26,401 INFO L168 Benchmark]: CDTParser took 0.19 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 18:46:26,402 INFO L168 Benchmark]: CACSL2BoogieTranslator took 668.63 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 927.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:26,402 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 927.2 MB in the beginning and 1.1 GB in the end (delta: -167.9 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:26,402 INFO L168 Benchmark]: Boogie Preprocessor took 50.03 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:46:26,403 INFO L168 Benchmark]: RCFGBuilder took 999.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 45.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:26,403 INFO L168 Benchmark]: TraceAbstraction took 8251.39 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 80.7 MB). Free memory was 1.0 GB in the beginning and 917.5 MB in the end (delta: 131.9 MB). Peak memory consumption was 212.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:26,405 INFO L168 Benchmark]: Witness Printer took 113.95 ms. Allocated memory is still 1.2 GB. Free memory was 917.5 MB in the beginning and 909.4 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:26,409 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 668.63 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 927.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 113.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 927.2 MB in the beginning and 1.1 GB in the end (delta: -167.9 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.03 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 999.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 45.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8251.39 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 80.7 MB). Free memory was 1.0 GB in the beginning and 917.5 MB in the end (delta: 131.9 MB). Peak memory consumption was 212.7 MB. Max. memory is 11.5 GB. * Witness Printer took 113.95 ms. Allocated memory is still 1.2 GB. Free memory was 917.5 MB in the beginning and 909.4 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 827]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && \old(waterLevel) <= waterLevel) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 115 locations, 1 error locations. SAFE Result, 8.1s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 3.3s AutomataDifference, 0.0s DeadEndRemovalTime, 2.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 622 SDtfs, 471 SDslu, 1261 SDs, 0 SdLazy, 751 SolverSat, 135 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 166 GetRequests, 123 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=207occurred 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 279 PreInvPairs, 292 NumberOfFragments, 694 HoareAnnotationTreeSize, 279 FomulaSimplifications, 21 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 49 FomulaSimplificationsInter, 1053 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 462 NumberOfCodeBlocks, 462 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 455 ConstructedInterpolants, 0 QuantifiedInterpolants, 66137 SizeOfPredicates, 3 NumberOfNonLiveVariables, 720 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 56/62 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...