./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec5_product23_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0ed9222f 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/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec5_product23_true-unreach-call_false-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-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(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ae183694bf4bf570adbc8e6a3fd448131967b766 ............................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 04:30:07,168 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 04:30:07,169 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 04:30:07,184 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 04:30:07,184 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 04:30:07,187 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 04:30:07,189 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 04:30:07,191 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 04:30:07,194 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 04:30:07,201 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 04:30:07,204 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 04:30:07,205 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 04:30:07,206 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 04:30:07,207 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 04:30:07,208 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 04:30:07,208 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 04:30:07,209 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 04:30:07,211 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 04:30:07,212 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 04:30:07,214 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 04:30:07,215 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 04:30:07,216 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 04:30:07,218 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 04:30:07,218 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 04:30:07,218 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 04:30:07,219 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 04:30:07,220 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 04:30:07,221 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 04:30:07,221 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 04:30:07,222 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 04:30:07,223 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 04:30:07,223 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 04:30:07,223 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 04:30:07,224 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 04:30:07,225 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 04:30:07,225 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 04:30:07,226 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 04:30:07,241 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 04:30:07,241 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 04:30:07,242 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 04:30:07,242 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 04:30:07,243 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 04:30:07,243 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 04:30:07,243 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 04:30:07,243 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 04:30:07,243 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 04:30:07,243 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 04:30:07,244 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 04:30:07,244 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 04:30:07,244 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 04:30:07,244 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 04:30:07,244 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 04:30:07,244 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 04:30:07,245 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 04:30:07,245 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 04:30:07,245 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 04:30:07,245 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 04:30:07,245 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 04:30:07,245 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 04:30:07,246 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 04:30:07,246 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 04:30:07,246 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 04:30:07,246 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 04:30:07,248 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 04:30:07,248 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 04:30:07,248 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 04:30:07,248 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 04:30:07,248 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 04:30:07,249 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 04:30:07,249 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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(F end) ) 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 -> ae183694bf4bf570adbc8e6a3fd448131967b766 [2019-01-14 04:30:07,287 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 04:30:07,303 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 04:30:07,308 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 04:30:07,311 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 04:30:07,312 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 04:30:07,312 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec5_product23_true-unreach-call_false-termination.cil.c [2019-01-14 04:30:07,377 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd80b8911/acbbfa441401496f9cc02f6fb2df7501/FLAG2a20123f8 [2019-01-14 04:30:07,848 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 04:30:07,849 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec5_product23_true-unreach-call_false-termination.cil.c [2019-01-14 04:30:07,861 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd80b8911/acbbfa441401496f9cc02f6fb2df7501/FLAG2a20123f8 [2019-01-14 04:30:08,173 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd80b8911/acbbfa441401496f9cc02f6fb2df7501 [2019-01-14 04:30:08,177 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 04:30:08,178 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 04:30:08,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 04:30:08,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 04:30:08,184 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 04:30:08,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:30:08" (1/1) ... [2019-01-14 04:30:08,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@199daf6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:30:08, skipping insertion in model container [2019-01-14 04:30:08,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:30:08" (1/1) ... [2019-01-14 04:30:08,198 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 04:30:08,247 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 04:30:08,596 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:30:08,612 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 04:30:08,782 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:30:08,824 INFO L195 MainTranslator]: Completed translation [2019-01-14 04:30:08,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:30:08 WrapperNode [2019-01-14 04:30:08,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 04:30:08,825 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 04:30:08,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 04:30:08,825 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 04:30:08,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:30:08" (1/1) ... [2019-01-14 04:30:08,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:30:08" (1/1) ... [2019-01-14 04:30:08,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 04:30:08,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 04:30:08,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 04:30:08,911 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 04:30:08,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:30:08" (1/1) ... [2019-01-14 04:30:08,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:30:08" (1/1) ... [2019-01-14 04:30:08,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:30:08" (1/1) ... [2019-01-14 04:30:08,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:30:08" (1/1) ... [2019-01-14 04:30:08,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:30:08" (1/1) ... [2019-01-14 04:30:08,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:30:08" (1/1) ... [2019-01-14 04:30:08,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:30:08" (1/1) ... [2019-01-14 04:30:08,957 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 04:30:08,958 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 04:30:08,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 04:30:08,958 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 04:30:08,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:30:08" (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:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:30:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 04:30:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-14 04:30:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 04:30:09,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 04:30:10,293 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 04:30:10,293 INFO L286 CfgBuilder]: Removed 174 assue(true) statements. [2019-01-14 04:30:10,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:30:10 BoogieIcfgContainer [2019-01-14 04:30:10,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 04:30:10,296 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 04:30:10,296 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 04:30:10,299 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 04:30:10,300 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:30:10,300 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 04:30:08" (1/3) ... [2019-01-14 04:30:10,302 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@148c1958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:30:10, skipping insertion in model container [2019-01-14 04:30:10,302 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:30:10,302 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:30:08" (2/3) ... [2019-01-14 04:30:10,303 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@148c1958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:30:10, skipping insertion in model container [2019-01-14 04:30:10,303 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:30:10,303 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:30:10" (3/3) ... [2019-01-14 04:30:10,305 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product23_true-unreach-call_false-termination.cil.c [2019-01-14 04:30:10,362 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 04:30:10,363 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 04:30:10,363 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 04:30:10,363 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 04:30:10,363 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 04:30:10,364 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 04:30:10,364 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 04:30:10,364 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 04:30:10,364 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 04:30:10,381 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 113 states. [2019-01-14 04:30:10,410 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2019-01-14 04:30:10,410 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:30:10,410 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:30:10,420 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:30:10,420 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:30:10,421 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 04:30:10,421 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 113 states. [2019-01-14 04:30:10,430 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2019-01-14 04:30:10,430 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:30:10,430 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:30:10,431 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:30:10,431 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:30:10,436 INFO L794 eck$LassoCheckResult]: Stem: 79#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(13);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string56.base, #t~string56.offset, 1);call write~init~int(80, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(117, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(109, #t~string56.base, 3 + #t~string56.offset, 1);call write~init~int(112, #t~string56.base, 4 + #t~string56.offset, 1);call write~init~int(58, #t~string56.base, 5 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 6 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string62.base, #t~string62.offset, 1);call write~init~int(32, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string64.base, #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 1 + #t~string64.offset, 1);~switchedOnBeforeTS~0 := 0; 10#L-1true havoc main_#res;havoc main_#t~ret45, main_~retValue_acc~6, main_~tmp~3;havoc main_~retValue_acc~6;havoc main_~tmp~3; 69#L906true havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 72#L914true main_#t~ret45 := valid_product_#res;main_~tmp~3 := main_#t~ret45;havoc main_#t~ret45; 42#L601true assume 0 != main_~tmp~3; 100#L572true ~switchedOnBeforeTS~0 := 0; 71#L925true havoc test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 110#L946-1true [2019-01-14 04:30:10,437 INFO L796 eck$LassoCheckResult]: Loop: 110#L946-1true assume !false; 101#L828true assume test_~splverifierCounter~0 < 4; 65#L829true test_~tmp~7 := test_#t~nondet66;havoc test_#t~nondet66; 75#L837true assume !(0 != test_~tmp~7); 67#L837-1true test_~tmp___0~1 := test_#t~nondet67;havoc test_#t~nondet67; 114#L847true assume !(0 != test_~tmp___0~1); 104#L847-1true test_~tmp___2~0 := test_#t~nondet68;havoc test_#t~nondet68; 43#L857true assume 0 != test_~tmp___2~0; 13#L863-1true havoc __utac_acc__Specification5_spec__2_#t~ret71;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; 19#L742true __utac_acc__Specification5_spec__2_#t~ret71 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret71;havoc __utac_acc__Specification5_spec__2_#t~ret71; 109#L935true assume !(0 != ~pumpRunning~0); 61#L631true assume !(0 != ~systemActive~0); 97#L638true havoc __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_#t~ret73, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 18#L497true __utac_acc__Specification5_spec__3_#t~ret72 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; 108#L946true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8); 110#L946-1true [2019-01-14 04:30:10,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:30:10,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-01-14 04:30:10,450 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:30:10,451 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:30:10,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:30:10,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:30:10,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:30:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:30:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:30:11,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:30:11,246 INFO L82 PathProgramCache]: Analyzing trace with hash -240568171, now seen corresponding path program 1 times [2019-01-14 04:30:11,246 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:30:11,247 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:30:11,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:30:11,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:30:11,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:30:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:30:11,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:30:11,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:30:11,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1693457039, now seen corresponding path program 1 times [2019-01-14 04:30:11,265 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:30:11,265 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:30:11,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:30:11,266 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:30:11,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:30:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:30:11,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:30:11,480 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:30:11,480 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 04:30:11,810 WARN L181 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2019-01-14 04:30:11,937 WARN L181 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2019-01-14 04:30:11,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-14 04:30:11,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-01-14 04:30:11,986 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 6 states. [2019-01-14 04:30:12,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:30:12,741 INFO L93 Difference]: Finished difference Result 277 states and 388 transitions. [2019-01-14 04:30:12,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-14 04:30:12,743 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 277 states and 388 transitions. [2019-01-14 04:30:12,754 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 179 [2019-01-14 04:30:12,764 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 277 states to 256 states and 367 transitions. [2019-01-14 04:30:12,765 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 256 [2019-01-14 04:30:12,767 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 256 [2019-01-14 04:30:12,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 256 states and 367 transitions. [2019-01-14 04:30:12,770 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:30:12,770 INFO L706 BuchiCegarLoop]: Abstraction has 256 states and 367 transitions. [2019-01-14 04:30:12,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states and 367 transitions. [2019-01-14 04:30:12,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 155. [2019-01-14 04:30:12,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-01-14 04:30:12,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 221 transitions. [2019-01-14 04:30:12,825 INFO L729 BuchiCegarLoop]: Abstraction has 155 states and 221 transitions. [2019-01-14 04:30:12,827 INFO L609 BuchiCegarLoop]: Abstraction has 155 states and 221 transitions. [2019-01-14 04:30:12,827 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 04:30:12,827 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 155 states and 221 transitions. [2019-01-14 04:30:12,834 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 108 [2019-01-14 04:30:12,836 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:30:12,836 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:30:12,837 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:30:12,837 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:30:12,837 INFO L794 eck$LassoCheckResult]: Stem: 504#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(13);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string56.base, #t~string56.offset, 1);call write~init~int(80, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(117, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(109, #t~string56.base, 3 + #t~string56.offset, 1);call write~init~int(112, #t~string56.base, 4 + #t~string56.offset, 1);call write~init~int(58, #t~string56.base, 5 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 6 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string62.base, #t~string62.offset, 1);call write~init~int(32, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string64.base, #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 1 + #t~string64.offset, 1);~switchedOnBeforeTS~0 := 0; 420#L-1 havoc main_#res;havoc main_#t~ret45, main_~retValue_acc~6, main_~tmp~3;havoc main_~retValue_acc~6;havoc main_~tmp~3; 421#L906 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 499#L914 main_#t~ret45 := valid_product_#res;main_~tmp~3 := main_#t~ret45;havoc main_#t~ret45; 469#L601 assume 0 != main_~tmp~3; 470#L572 ~switchedOnBeforeTS~0 := 0; 501#L925 havoc test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 456#L946-1 [2019-01-14 04:30:12,838 INFO L796 eck$LassoCheckResult]: Loop: 456#L946-1 assume !false; 514#L828 assume test_~splverifierCounter~0 < 4; 495#L829 test_~tmp~7 := test_#t~nondet66;havoc test_#t~nondet66; 496#L837 assume !(0 != test_~tmp~7); 497#L837-1 test_~tmp___0~1 := test_#t~nondet67;havoc test_#t~nondet67; 498#L847 assume !(0 != test_~tmp___0~1); 494#L847-1 test_~tmp___2~0 := test_#t~nondet68;havoc test_#t~nondet68; 471#L857 assume 0 != test_~tmp___2~0; 425#L863-1 havoc __utac_acc__Specification5_spec__2_#t~ret71;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; 426#L742 __utac_acc__Specification5_spec__2_#t~ret71 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret71;havoc __utac_acc__Specification5_spec__2_#t~ret71; 437#L935 assume !(0 != ~pumpRunning~0); 458#L631 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret47, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 481#L689 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret46, processEnvironment__wrappee__lowWaterSensor_~tmp~4;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~4; 483#L663-1 assume !(0 != ~pumpRunning~0); 484#L638 havoc __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_#t~ret73, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 435#L497 __utac_acc__Specification5_spec__3_#t~ret72 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; 436#L946 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8); 456#L946-1 [2019-01-14 04:30:12,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:30:12,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-01-14 04:30:12,839 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:30:12,848 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:30:12,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:30:12,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:30:12,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:30:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:30:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:30:13,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:30:13,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1407156793, now seen corresponding path program 1 times [2019-01-14 04:30:13,267 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:30:13,268 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:30:13,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:30:13,269 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 04:30:13,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:30:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:30:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:30:13,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:30:13,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1765198145, now seen corresponding path program 1 times [2019-01-14 04:30:13,289 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:30:13,289 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:30:13,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:30:13,293 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:30:13,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:30:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:30:13,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:30:13,481 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:30:13,481 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 04:30:13,653 WARN L181 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2019-01-14 04:30:13,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 04:30:13,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 04:30:13,674 INFO L87 Difference]: Start difference. First operand 155 states and 221 transitions. cyclomatic complexity: 69 Second operand 5 states. [2019-01-14 04:30:14,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:30:14,425 INFO L93 Difference]: Finished difference Result 448 states and 633 transitions. [2019-01-14 04:30:14,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-14 04:30:14,427 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 448 states and 633 transitions. [2019-01-14 04:30:14,438 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 210 [2019-01-14 04:30:14,447 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 448 states to 448 states and 633 transitions. [2019-01-14 04:30:14,447 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 448 [2019-01-14 04:30:14,449 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 448 [2019-01-14 04:30:14,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 448 states and 633 transitions. [2019-01-14 04:30:14,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:30:14,453 INFO L706 BuchiCegarLoop]: Abstraction has 448 states and 633 transitions. [2019-01-14 04:30:14,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states and 633 transitions. [2019-01-14 04:30:14,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 303. [2019-01-14 04:30:14,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2019-01-14 04:30:14,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 421 transitions. [2019-01-14 04:30:14,476 INFO L729 BuchiCegarLoop]: Abstraction has 303 states and 421 transitions. [2019-01-14 04:30:14,476 INFO L609 BuchiCegarLoop]: Abstraction has 303 states and 421 transitions. [2019-01-14 04:30:14,477 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2019-01-14 04:30:14,477 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 303 states and 421 transitions. [2019-01-14 04:30:14,480 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 210 [2019-01-14 04:30:14,481 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:30:14,481 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:30:14,482 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:30:14,482 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:30:14,483 INFO L794 eck$LassoCheckResult]: Stem: 1131#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(13);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string56.base, #t~string56.offset, 1);call write~init~int(80, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(117, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(109, #t~string56.base, 3 + #t~string56.offset, 1);call write~init~int(112, #t~string56.base, 4 + #t~string56.offset, 1);call write~init~int(58, #t~string56.base, 5 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 6 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string62.base, #t~string62.offset, 1);call write~init~int(32, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string64.base, #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 1 + #t~string64.offset, 1);~switchedOnBeforeTS~0 := 0; 1039#L-1 havoc main_#res;havoc main_#t~ret45, main_~retValue_acc~6, main_~tmp~3;havoc main_~retValue_acc~6;havoc main_~tmp~3; 1040#L906 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 1124#L914 main_#t~ret45 := valid_product_#res;main_~tmp~3 := main_#t~ret45;havoc main_#t~ret45; 1089#L601 assume 0 != main_~tmp~3; 1090#L572 ~switchedOnBeforeTS~0 := 0; 1127#L925 havoc test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1075#L946-1 [2019-01-14 04:30:14,483 INFO L796 eck$LassoCheckResult]: Loop: 1075#L946-1 assume !false; 1215#L828 assume test_~splverifierCounter~0 < 4; 1216#L829 test_~tmp~7 := test_#t~nondet66;havoc test_#t~nondet66; 1249#L837 assume !(0 != test_~tmp~7); 1247#L837-1 test_~tmp___0~1 := test_#t~nondet67;havoc test_#t~nondet67; 1246#L847 assume !(0 != test_~tmp___0~1); 1243#L847-1 test_~tmp___2~0 := test_#t~nondet68;havoc test_#t~nondet68; 1236#L857 assume 0 != test_~tmp___2~0; 1233#L863-1 havoc __utac_acc__Specification5_spec__2_#t~ret71;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; 1256#L742 __utac_acc__Specification5_spec__2_#t~ret71 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret71;havoc __utac_acc__Specification5_spec__2_#t~ret71; 1253#L935 assume !(0 != ~pumpRunning~0); 1117#L631 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret47, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 1103#L689 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret46, processEnvironment__wrappee__lowWaterSensor_~tmp~4;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~4; 1105#L663-1 assume !(0 != ~pumpRunning~0); 1235#L638 havoc __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_#t~ret73, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 1234#L497 __utac_acc__Specification5_spec__3_#t~ret72 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; 1161#L946 assume 2 != __utac_acc__Specification5_spec__3_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; 1162#L742-1 __utac_acc__Specification5_spec__3_#t~ret73 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~2 := __utac_acc__Specification5_spec__3_#t~ret73;havoc __utac_acc__Specification5_spec__3_#t~ret73; 1123#L950 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2); 1075#L946-1 [2019-01-14 04:30:14,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:30:14,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2019-01-14 04:30:14,484 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:30:14,484 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:30:14,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:30:14,485 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:30:14,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:30:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:30:14,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:30:14,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:30:14,736 INFO L82 PathProgramCache]: Analyzing trace with hash 637007746, now seen corresponding path program 1 times [2019-01-14 04:30:14,736 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:30:14,736 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:30:14,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:30:14,738 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 04:30:14,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:30:14,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:30:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:30:14,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:30:14,749 INFO L82 PathProgramCache]: Analyzing trace with hash -156676996, now seen corresponding path program 1 times [2019-01-14 04:30:14,749 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:30:14,749 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:30:14,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:30:14,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:30:14,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:30:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:30:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:30:15,568 WARN L181 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2019-01-14 04:30:15,690 WARN L181 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2019-01-14 04:30:43,033 WARN L181 SmtUtils]: Spent 27.33 s on a formula simplification. DAG size of input: 455 DAG size of output: 453 [2019-01-14 04:30:56,684 WARN L181 SmtUtils]: Spent 13.64 s on a formula simplification that was a NOOP. DAG size: 451 [2019-01-14 04:30:56,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 04:30:56 BoogieIcfgContainer [2019-01-14 04:30:56,767 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 04:30:56,767 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 04:30:56,767 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 04:30:56,767 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 04:30:56,769 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:30:10" (3/4) ... [2019-01-14 04:30:56,773 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-14 04:30:56,895 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 04:30:56,896 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 04:30:56,898 INFO L168 Benchmark]: Toolchain (without parser) took 48721.38 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 330.3 MB). Free memory was 951.4 MB in the beginning and 1.3 GB in the end (delta: -367.7 MB). Peak memory consumption was 437.3 MB. Max. memory is 11.5 GB. [2019-01-14 04:30:56,900 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. [2019-01-14 04:30:56,900 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -152.2 MB). Peak memory consumption was 36.5 MB. Max. memory is 11.5 GB. [2019-01-14 04:30:56,903 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.81 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. [2019-01-14 04:30:56,905 INFO L168 Benchmark]: Boogie Preprocessor took 47.11 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. [2019-01-14 04:30:56,906 INFO L168 Benchmark]: RCFGBuilder took 1337.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.8 MB). Peak memory consumption was 65.8 MB. Max. memory is 11.5 GB. [2019-01-14 04:30:56,906 INFO L168 Benchmark]: BuchiAutomizer took 46471.22 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 183.0 MB). Free memory was 1.0 GB in the beginning and 821.3 MB in the end (delta: 216.4 MB). Peak memory consumption was 405.8 MB. Max. memory is 11.5 GB. [2019-01-14 04:30:56,912 INFO L168 Benchmark]: Witness Printer took 130.41 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 23.1 MB). Free memory was 821.3 MB in the beginning and 1.3 GB in the end (delta: -497.7 MB). Peak memory consumption was 8.2 kB. Max. memory is 11.5 GB. [2019-01-14 04:30:56,920 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 645.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -152.2 MB). Peak memory consumption was 36.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.11 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 1337.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.8 MB). Peak memory consumption was 65.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 46471.22 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 183.0 MB). Free memory was 1.0 GB in the beginning and 821.3 MB in the end (delta: 216.4 MB). Peak memory consumption was 405.8 MB. Max. memory is 11.5 GB. * Witness Printer took 130.41 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 23.1 MB). Free memory was 821.3 MB in the beginning and 1.3 GB in the end (delta: -497.7 MB). Peak memory consumption was 8.2 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 303 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 46.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 44.6s. Construction of modules took 1.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 246 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 303 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 408 SDtfs, 1170 SDslu, 1228 SDs, 0 SdLazy, 139 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 827]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=0} State at position 1 is {NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3dab28f6=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=-9, NULL=0, NULL=-24, NULL=-25, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b2f1c0b=0, retValue_acc=1, tmp=1, tmp=0, tmp=0, tmp___1=0, NULL=-15, NULL=-5, NULL=-2, NULL=-13, NULL=-6, cleanupTimeShifts=4, switchedOnBeforeTS=0, NULL=-14, NULL=-4, NULL=-19, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3651fa9b=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=0, NULL=-23, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6b505e5e=0, NULL=-17, NULL=0, NULL=0, NULL=0, NULL=-22, NULL=0, NULL=0, \result=1, NULL=-10, head=0, pumpRunning=0, tmp___0=0, \result=0, NULL=-20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ad3e7d8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6439c461=0, NULL=-1, tmp=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@68c3a761=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7eccce69=71, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@711ee047=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7e0c3b9a=0, NULL=-12, tmp___2=71, retValue_acc=1, NULL=-7, tmp___0=0, splverifierCounter=0, head=0, NULL=0, tmp=0, NULL=-21, NULL=-11, NULL=0, NULL=-8, NULL=0, NULL=0, NULL=-16, NULL=-3, NULL=-18, retValue_acc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L422] int waterLevel = 1; [L423] int methaneLevelCritical = 0; [L511] int cleanupTimeShifts = 4; [L619] int pumpRunning = 0; [L620] int systemActive = 1; [L919] int switchedOnBeforeTS ; [L592] int retValue_acc ; [L593] int tmp ; [L910] int retValue_acc ; [L913] retValue_acc = 1 [L914] return (retValue_acc); [L599] tmp = valid_product() [L601] COND TRUE \read(tmp) [L924] switchedOnBeforeTS = 0 [L818] int splverifierCounter ; [L819] int tmp ; [L820] int tmp___0 ; [L821] int tmp___1 ; [L822] int tmp___2 ; [L825] splverifierCounter = 0 Loop: [L827] COND TRUE 1 [L829] COND TRUE splverifierCounter < 4 [L835] tmp = __VERIFIER_nondet_int() [L837] COND FALSE !(\read(tmp)) [L845] tmp___0 = __VERIFIER_nondet_int() [L847] COND FALSE !(\read(tmp___0)) [L855] tmp___2 = __VERIFIER_nondet_int() [L857] COND TRUE \read(tmp___2) [L738] int retValue_acc ; [L741] retValue_acc = pumpRunning [L742] return (retValue_acc); [L933] switchedOnBeforeTS = isPumpRunning() [L631] COND FALSE !(\read(pumpRunning)) [L638] COND TRUE \read(systemActive) [L686] int tmp ; [L689] COND FALSE !(\read(pumpRunning)) [L660] int tmp ; [L663] COND FALSE !(\read(pumpRunning)) [L939] int tmp ; [L940] int tmp___0 ; [L493] int retValue_acc ; [L496] retValue_acc = waterLevel [L497] return (retValue_acc); [L944] tmp = getWaterLevel() [L946] COND TRUE tmp != 2 [L738] int retValue_acc ; [L741] retValue_acc = pumpRunning [L742] return (retValue_acc); [L948] tmp___0 = isPumpRunning() [L950] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...