./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec1_product02_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_spec1_product02_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 14bbe860e6ae6a1128c2aa8898396ae07ba8a16d ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:42:58,319 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:42:58,321 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:42:58,333 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:42:58,334 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:42:58,335 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:42:58,336 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:42:58,338 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:42:58,340 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:42:58,340 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:42:58,341 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:42:58,342 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:42:58,342 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:42:58,343 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:42:58,344 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:42:58,345 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:42:58,346 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:42:58,348 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:42:58,350 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:42:58,351 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:42:58,352 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:42:58,354 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:42:58,356 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:42:58,356 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:42:58,356 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:42:58,357 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:42:58,358 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:42:58,359 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:42:58,360 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:42:58,361 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:42:58,361 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:42:58,362 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:42:58,362 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:42:58,362 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:42:58,363 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:42:58,364 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:42:58,364 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:42:58,387 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:42:58,387 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:42:58,388 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:42:58,388 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:42:58,390 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:42:58,391 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:42:58,391 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:42:58,391 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:42:58,392 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:42:58,392 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:42:58,392 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:42:58,392 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:42:58,392 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:42:58,392 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:42:58,393 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:42:58,393 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:42:58,393 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:42:58,393 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:42:58,393 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:42:58,394 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:42:58,396 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:42:58,396 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:42:58,396 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:42:58,397 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:42:58,397 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:42:58,397 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:42:58,397 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:42:58,397 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:42:58,397 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:42:58,398 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:42:58,398 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 -> 14bbe860e6ae6a1128c2aa8898396ae07ba8a16d [2018-11-28 18:42:58,454 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:42:58,466 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:42:58,470 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:42:58,471 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:42:58,472 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:42:58,472 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec1_product02_true-unreach-call_false-termination.cil.c [2018-11-28 18:42:58,531 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fffe4368a/1c12894c8d8e499dbc6c5e6b0cf7ebf2/FLAG0339e599b [2018-11-28 18:42:59,107 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:42:59,108 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec1_product02_true-unreach-call_false-termination.cil.c [2018-11-28 18:42:59,125 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fffe4368a/1c12894c8d8e499dbc6c5e6b0cf7ebf2/FLAG0339e599b [2018-11-28 18:42:59,353 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fffe4368a/1c12894c8d8e499dbc6c5e6b0cf7ebf2 [2018-11-28 18:42:59,356 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:42:59,358 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:42:59,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:42:59,359 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:42:59,363 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:42:59,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:42:59" (1/1) ... [2018-11-28 18:42:59,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1274670c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:59, skipping insertion in model container [2018-11-28 18:42:59,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:42:59" (1/1) ... [2018-11-28 18:42:59,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:42:59,431 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:42:59,814 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:42:59,834 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:43:00,017 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:43:00,057 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:43:00,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:00 WrapperNode [2018-11-28 18:43:00,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:43:00,058 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:43:00,058 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:43:00,059 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:43:00,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:00" (1/1) ... [2018-11-28 18:43:00,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:00" (1/1) ... [2018-11-28 18:43:00,104 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:43:00,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:43:00,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:43:00,106 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:43:00,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:00" (1/1) ... [2018-11-28 18:43:00,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:00" (1/1) ... [2018-11-28 18:43:00,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:00" (1/1) ... [2018-11-28 18:43:00,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:00" (1/1) ... [2018-11-28 18:43:00,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:00" (1/1) ... [2018-11-28 18:43:00,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:00" (1/1) ... [2018-11-28 18:43:00,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:00" (1/1) ... [2018-11-28 18:43:00,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:43:00,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:43:00,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:43:00,170 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:43:00,171 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:00" (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 18:43:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:43:00,224 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:43:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:43:00,224 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:43:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:43:00,224 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:43:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:43:00,225 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:43:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:43:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:43:00,225 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:43:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:43:00,225 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:43:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:43:00,226 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:43:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:43:00,226 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:43:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:43:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:43:00,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:43:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:43:00,227 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:43:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:43:00,227 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:43:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:43:00,227 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:43:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:43:00,227 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:43:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:43:00,228 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:43:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:43:00,228 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:43:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:43:00,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:43:00,229 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 18:43:00,229 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 18:43:00,229 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:43:00,229 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:43:00,229 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:43:00,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:43:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:00,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:01,072 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:43:01,072 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:43:01,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:01 BoogieIcfgContainer [2018-11-28 18:43:01,074 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:43:01,075 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:43:01,075 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:43:01,079 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:43:01,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:42:59" (1/3) ... [2018-11-28 18:43:01,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7884cdf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:43:01, skipping insertion in model container [2018-11-28 18:43:01,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:00" (2/3) ... [2018-11-28 18:43:01,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7884cdf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:43:01, skipping insertion in model container [2018-11-28 18:43:01,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:01" (3/3) ... [2018-11-28 18:43:01,084 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product02_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:01,093 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:43:01,100 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:43:01,118 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:43:01,154 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:43:01,155 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:43:01,155 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:43:01,155 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:43:01,155 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:43:01,155 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:43:01,156 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:43:01,156 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:43:01,156 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:43:01,180 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2018-11-28 18:43:01,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 18:43:01,189 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:01,190 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 18:43:01,193 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:01,198 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:01,199 INFO L82 PathProgramCache]: Analyzing trace with hash 425227990, now seen corresponding path program 1 times [2018-11-28 18:43:01,200 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:01,201 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:01,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:01,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:01,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:01,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:01,543 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 18:43:01,546 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:01,547 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:43:01,552 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:43:01,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:43:01,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:43:01,574 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 2 states. [2018-11-28 18:43:01,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:01,615 INFO L93 Difference]: Finished difference Result 170 states and 213 transitions. [2018-11-28 18:43:01,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:43:01,618 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 18:43:01,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:01,633 INFO L225 Difference]: With dead ends: 170 [2018-11-28 18:43:01,635 INFO L226 Difference]: Without dead ends: 85 [2018-11-28 18:43:01,640 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 18:43:01,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-11-28 18:43:01,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-11-28 18:43:01,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-11-28 18:43:01,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 98 transitions. [2018-11-28 18:43:01,712 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 98 transitions. Word has length 46 [2018-11-28 18:43:01,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:01,712 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 98 transitions. [2018-11-28 18:43:01,713 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:43:01,713 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2018-11-28 18:43:01,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 18:43:01,718 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:01,718 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 18:43:01,719 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:01,719 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:01,719 INFO L82 PathProgramCache]: Analyzing trace with hash 2136336444, now seen corresponding path program 1 times [2018-11-28 18:43:01,719 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:01,719 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:01,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:01,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:01,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:01,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:01,931 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 18:43:01,934 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:01,934 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:43:01,936 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:43:01,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:43:01,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:43:01,940 INFO L87 Difference]: Start difference. First operand 85 states and 98 transitions. Second operand 3 states. [2018-11-28 18:43:01,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:01,977 INFO L93 Difference]: Finished difference Result 115 states and 131 transitions. [2018-11-28 18:43:01,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:43:01,978 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 18:43:01,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:01,981 INFO L225 Difference]: With dead ends: 115 [2018-11-28 18:43:01,981 INFO L226 Difference]: Without dead ends: 76 [2018-11-28 18:43:01,983 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 18:43:01,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-11-28 18:43:02,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-11-28 18:43:02,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-11-28 18:43:02,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2018-11-28 18:43:02,010 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 47 [2018-11-28 18:43:02,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:02,010 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2018-11-28 18:43:02,011 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:43:02,012 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2018-11-28 18:43:02,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:43:02,018 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:02,019 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 18:43:02,019 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:02,019 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:02,019 INFO L82 PathProgramCache]: Analyzing trace with hash -1049356787, now seen corresponding path program 1 times [2018-11-28 18:43:02,020 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:02,020 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:02,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:02,022 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:02,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:02,258 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 18:43:02,259 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:02,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:43:02,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:43:02,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:43:02,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:43:02,261 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand 3 states. [2018-11-28 18:43:02,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:02,311 INFO L93 Difference]: Finished difference Result 128 states and 149 transitions. [2018-11-28 18:43:02,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:43:02,314 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-28 18:43:02,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:02,316 INFO L225 Difference]: With dead ends: 128 [2018-11-28 18:43:02,317 INFO L226 Difference]: Without dead ends: 76 [2018-11-28 18:43:02,318 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:43:02,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-11-28 18:43:02,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-11-28 18:43:02,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-11-28 18:43:02,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2018-11-28 18:43:02,330 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 52 [2018-11-28 18:43:02,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:02,331 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2018-11-28 18:43:02,331 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:43:02,331 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2018-11-28 18:43:02,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-28 18:43:02,334 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:02,334 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:02,334 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:02,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:02,335 INFO L82 PathProgramCache]: Analyzing trace with hash -2062392049, now seen corresponding path program 1 times [2018-11-28 18:43:02,335 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:02,336 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:02,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:02,337 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:02,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:02,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:02,561 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 18:43:02,561 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:02,562 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:43:02,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:43:02,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:43:02,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:43:02,563 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 6 states. [2018-11-28 18:43:03,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:03,154 INFO L93 Difference]: Finished difference Result 173 states and 204 transitions. [2018-11-28 18:43:03,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:43:03,155 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2018-11-28 18:43:03,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:03,162 INFO L225 Difference]: With dead ends: 173 [2018-11-28 18:43:03,162 INFO L226 Difference]: Without dead ends: 121 [2018-11-28 18:43:03,163 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:43:03,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-11-28 18:43:03,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119. [2018-11-28 18:43:03,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-11-28 18:43:03,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 136 transitions. [2018-11-28 18:43:03,183 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 136 transitions. Word has length 55 [2018-11-28 18:43:03,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:03,184 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 136 transitions. [2018-11-28 18:43:03,184 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:43:03,184 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 136 transitions. [2018-11-28 18:43:03,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-28 18:43:03,186 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:03,186 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 18:43:03,187 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:03,187 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:03,187 INFO L82 PathProgramCache]: Analyzing trace with hash 351154643, now seen corresponding path program 1 times [2018-11-28 18:43:03,187 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:03,187 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:03,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:03,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:03,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:03,381 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 18:43:03,382 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:03,382 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:43:03,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:43:03,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:43:03,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:43:03,383 INFO L87 Difference]: Start difference. First operand 119 states and 136 transitions. Second operand 6 states. [2018-11-28 18:43:03,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:03,879 INFO L93 Difference]: Finished difference Result 205 states and 240 transitions. [2018-11-28 18:43:03,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:43:03,880 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2018-11-28 18:43:03,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:03,881 INFO L225 Difference]: With dead ends: 205 [2018-11-28 18:43:03,881 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:43:03,883 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:43:03,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:43:03,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:43:03,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:43:03,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:43:03,884 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2018-11-28 18:43:03,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:03,884 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:43:03,885 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:43:03,885 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:43:03,885 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:43:03,895 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:43:04,342 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 10 [2018-11-28 18:43:04,445 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 16 [2018-11-28 18:43:04,917 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 179 185) no Hoare annotation was computed. [2018-11-28 18:43:04,918 INFO L451 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 179 185) the Hoare annotation is: true [2018-11-28 18:43:04,918 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 379 385) the Hoare annotation is: true [2018-11-28 18:43:04,918 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 379 385) no Hoare annotation was computed. [2018-11-28 18:43:04,918 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 386 394) no Hoare annotation was computed. [2018-11-28 18:43:04,918 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 386 394) the Hoare annotation is: true [2018-11-28 18:43:04,918 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 386 394) no Hoare annotation was computed. [2018-11-28 18:43:04,919 INFO L444 ceAbstractionStarter]: At program point L289(line 289) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:04,919 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 267 332) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0))) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:04,919 INFO L448 ceAbstractionStarter]: For program point L287(lines 287 293) no Hoare annotation was computed. [2018-11-28 18:43:04,919 INFO L448 ceAbstractionStarter]: For program point L287-1(lines 287 293) no Hoare annotation was computed. [2018-11-28 18:43:04,919 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 283) no Hoare annotation was computed. [2018-11-28 18:43:04,919 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 267 332) no Hoare annotation was computed. [2018-11-28 18:43:04,919 INFO L444 ceAbstractionStarter]: At program point L325(lines 276 326) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:04,919 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 319) no Hoare annotation was computed. [2018-11-28 18:43:04,923 INFO L444 ceAbstractionStarter]: At program point L315-2(lines 307 320) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:04,923 INFO L448 ceAbstractionStarter]: For program point L278(lines 277 324) no Hoare annotation was computed. [2018-11-28 18:43:04,923 INFO L444 ceAbstractionStarter]: At program point L309(line 309) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:04,923 INFO L448 ceAbstractionStarter]: For program point L307(lines 307 320) no Hoare annotation was computed. [2018-11-28 18:43:04,924 INFO L444 ceAbstractionStarter]: At program point L299(line 299) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:04,924 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 303) no Hoare annotation was computed. [2018-11-28 18:43:04,924 INFO L448 ceAbstractionStarter]: For program point L297-1(lines 297 303) no Hoare annotation was computed. [2018-11-28 18:43:04,924 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 267 332) no Hoare annotation was computed. [2018-11-28 18:43:04,924 INFO L444 ceAbstractionStarter]: At program point L322(lines 277 324) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:04,924 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-11-28 18:43:04,924 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-11-28 18:43:04,924 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0))) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:04,925 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0))) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:04,925 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0))) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:04,925 INFO L444 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0))) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:04,925 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-11-28 18:43:04,925 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-11-28 18:43:04,925 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0))) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:04,925 INFO L444 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0))) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:04,926 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-11-28 18:43:04,926 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 213 221) no Hoare annotation was computed. [2018-11-28 18:43:04,926 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 213 221) the Hoare annotation is: true [2018-11-28 18:43:04,926 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 213 221) no Hoare annotation was computed. [2018-11-28 18:43:04,926 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:43:04,926 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:43:04,926 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:43:04,926 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 423 434) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 0) (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:04,927 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 423 434) no Hoare annotation was computed. [2018-11-28 18:43:04,927 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 423 434) no Hoare annotation was computed. [2018-11-28 18:43:04,927 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 435 443) the Hoare annotation is: true [2018-11-28 18:43:04,927 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 435 443) no Hoare annotation was computed. [2018-11-28 18:43:04,927 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 435 443) no Hoare annotation was computed. [2018-11-28 18:43:04,927 INFO L444 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 0)) [2018-11-28 18:43:04,927 INFO L448 ceAbstractionStarter]: For program point L159(lines 158 177) no Hoare annotation was computed. [2018-11-28 18:43:04,928 INFO L451 ceAbstractionStarter]: At program point timeShiftENTRY(lines 155 178) the Hoare annotation is: true [2018-11-28 18:43:04,928 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 155 178) no Hoare annotation was computed. [2018-11-28 18:43:04,928 INFO L451 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: true [2018-11-28 18:43:04,928 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 155 178) no Hoare annotation was computed. [2018-11-28 18:43:04,928 INFO L451 ceAbstractionStarter]: At program point L166(lines 166 172) the Hoare annotation is: true [2018-11-28 18:43:04,928 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-28 18:43:04,928 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-28 18:43:04,928 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-28 18:43:04,928 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-28 18:43:04,929 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-28 18:43:04,929 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-28 18:43:04,929 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-11-28 18:43:04,929 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-28 18:43:04,929 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-28 18:43:04,929 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-28 18:43:04,929 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 399 410) the Hoare annotation is: true [2018-11-28 18:43:04,929 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 399 410) no Hoare annotation was computed. [2018-11-28 18:43:04,929 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 399 410) no Hoare annotation was computed. [2018-11-28 18:43:04,929 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 372 378) no Hoare annotation was computed. [2018-11-28 18:43:04,930 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 372 378) the Hoare annotation is: true [2018-11-28 18:43:04,930 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-28 18:43:04,930 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-28 18:43:04,930 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:43:04,930 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= ~pumpRunning~0 0)) [2018-11-28 18:43:04,930 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:43:04,930 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:43:04,930 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 258 265) no Hoare annotation was computed. [2018-11-28 18:43:04,931 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 258 265) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 0)) (= |old(~systemActive~0)| 0)) [2018-11-28 18:43:04,931 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 258 265) no Hoare annotation was computed. [2018-11-28 18:43:04,931 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 411 422) no Hoare annotation was computed. [2018-11-28 18:43:04,931 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 411 422) no Hoare annotation was computed. [2018-11-28 18:43:04,931 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 411 422) the Hoare annotation is: true [2018-11-28 18:43:04,931 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 477 484) no Hoare annotation was computed. [2018-11-28 18:43:04,931 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 477 484) the Hoare annotation is: true [2018-11-28 18:43:04,931 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 481) no Hoare annotation was computed. [2018-11-28 18:43:04,931 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 477 484) no Hoare annotation was computed. [2018-11-28 18:43:04,932 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0))) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:04,932 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-11-28 18:43:04,932 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-11-28 18:43:04,932 INFO L444 ceAbstractionStarter]: At program point L349(line 349) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 0)) [2018-11-28 18:43:04,932 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 335 359) the Hoare annotation is: true [2018-11-28 18:43:04,932 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 353) no Hoare annotation was computed. [2018-11-28 18:43:04,932 INFO L444 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 0) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 18:43:04,932 INFO L448 ceAbstractionStarter]: For program point L345-1(line 345) no Hoare annotation was computed. [2018-11-28 18:43:04,933 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 335 359) no Hoare annotation was computed. [2018-11-28 18:43:04,933 INFO L448 ceAbstractionStarter]: For program point L343(lines 343 356) no Hoare annotation was computed. [2018-11-28 18:43:04,933 INFO L448 ceAbstractionStarter]: For program point L343-1(lines 335 359) no Hoare annotation was computed. [2018-11-28 18:43:04,933 INFO L451 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: true [2018-11-28 18:43:04,933 INFO L448 ceAbstractionStarter]: For program point L341-1(line 341) no Hoare annotation was computed. [2018-11-28 18:43:04,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:43:04 BoogieIcfgContainer [2018-11-28 18:43:04,947 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:43:04,947 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:43:04,947 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:43:04,948 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:43:04,948 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:01" (3/4) ... [2018-11-28 18:43:04,953 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:43:04,960 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:43:04,961 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:43:04,961 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:43:04,961 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:43:04,961 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:43:04,961 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:43:04,961 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:43:04,961 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:43:04,961 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:43:04,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:43:04,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:43:04,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:43:04,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:43:04,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:43:04,963 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 18:43:04,963 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:43:04,963 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:43:04,963 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:43:04,963 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:04,987 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2018-11-28 18:43:04,988 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 18:43:04,988 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 18:43:04,989 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:43:04,989 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:43:04,991 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:43:05,023 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) || \old(systemActive) == 0) || (!(systemActive == 0) && splverifierCounter == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:43:05,024 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:43:05,102 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:43:05,102 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:43:05,103 INFO L168 Benchmark]: Toolchain (without parser) took 5746.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 952.7 MB in the beginning and 861.8 MB in the end (delta: 90.9 MB). Peak memory consumption was 239.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:05,104 INFO L168 Benchmark]: CDTParser took 0.15 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 18:43:05,105 INFO L168 Benchmark]: CACSL2BoogieTranslator took 698.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -182.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:05,106 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.14 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:05,106 INFO L168 Benchmark]: Boogie Preprocessor took 63.87 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 18:43:05,106 INFO L168 Benchmark]: RCFGBuilder took 904.12 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: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:05,107 INFO L168 Benchmark]: TraceAbstraction took 3872.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 868.4 MB in the end (delta: 221.5 MB). Peak memory consumption was 221.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:05,107 INFO L168 Benchmark]: Witness Printer took 154.62 ms. Allocated memory is still 1.2 GB. Free memory was 868.4 MB in the beginning and 861.8 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:05,112 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 698.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -182.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.14 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.87 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 904.12 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: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3872.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 868.4 MB in the end (delta: 221.5 MB). Peak memory consumption was 221.5 MB. Max. memory is 11.5 GB. * Witness Printer took 154.62 ms. Allocated memory is still 1.2 GB. Free memory was 868.4 MB in the beginning and 861.8 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 481]: 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: 276]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || \old(systemActive) == 0) || (!(systemActive == 0) && splverifierCounter == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 20 procedures, 98 locations, 1 error locations. SAFE Result, 3.7s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 1.2s AutomataDifference, 0.0s DeadEndRemovalTime, 1.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 443 SDtfs, 155 SDslu, 551 SDs, 0 SdLazy, 97 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 161 PreInvPairs, 176 NumberOfFragments, 360 HoareAnnotationTreeSize, 161 FomulaSimplifications, 75 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 42 FomulaSimplificationsInter, 550 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 24887 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...