./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec1_product18_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2e94e6aa 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_spec1_product18_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 e9c38241666ec2c9dc2056ce7724b5bdf9baff18 .......................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-2e94e6a [2019-01-01 23:33:30,222 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 23:33:30,227 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 23:33:30,248 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 23:33:30,249 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 23:33:30,251 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 23:33:30,252 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 23:33:30,254 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 23:33:30,258 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 23:33:30,267 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 23:33:30,270 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 23:33:30,270 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 23:33:30,271 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 23:33:30,273 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 23:33:30,274 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 23:33:30,275 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 23:33:30,276 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 23:33:30,283 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 23:33:30,285 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 23:33:30,289 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 23:33:30,291 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 23:33:30,292 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 23:33:30,294 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 23:33:30,294 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 23:33:30,294 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 23:33:30,295 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 23:33:30,296 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 23:33:30,297 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 23:33:30,297 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 23:33:30,298 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 23:33:30,299 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 23:33:30,299 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 23:33:30,299 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 23:33:30,300 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 23:33:30,301 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 23:33:30,301 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 23:33:30,302 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 23:33:30,318 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 23:33:30,318 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 23:33:30,319 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 23:33:30,320 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 23:33:30,320 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 23:33:30,320 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 23:33:30,320 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 23:33:30,320 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 23:33:30,320 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 23:33:30,321 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 23:33:30,321 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 23:33:30,321 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 23:33:30,321 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 23:33:30,321 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 23:33:30,321 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 23:33:30,322 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 23:33:30,322 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 23:33:30,322 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 23:33:30,322 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 23:33:30,322 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 23:33:30,322 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 23:33:30,323 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 23:33:30,323 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 23:33:30,323 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 23:33:30,323 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 23:33:30,323 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 23:33:30,324 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 23:33:30,324 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 23:33:30,324 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 23:33:30,324 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 23:33:30,324 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 23:33:30,325 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 23:33:30,325 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 -> e9c38241666ec2c9dc2056ce7724b5bdf9baff18 [2019-01-01 23:33:30,360 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 23:33:30,375 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 23:33:30,384 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 23:33:30,388 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 23:33:30,389 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 23:33:30,390 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec1_product18_true-unreach-call_false-termination.cil.c [2019-01-01 23:33:30,454 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1917ba4ba/d9634b1857d44033bb0a8ac7ed1b8bc4/FLAGe5bf1317e [2019-01-01 23:33:31,011 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 23:33:31,012 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec1_product18_true-unreach-call_false-termination.cil.c [2019-01-01 23:33:31,030 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1917ba4ba/d9634b1857d44033bb0a8ac7ed1b8bc4/FLAGe5bf1317e [2019-01-01 23:33:31,303 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1917ba4ba/d9634b1857d44033bb0a8ac7ed1b8bc4 [2019-01-01 23:33:31,309 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 23:33:31,312 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 23:33:31,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 23:33:31,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 23:33:31,317 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 23:33:31,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:33:31" (1/1) ... [2019-01-01 23:33:31,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a5801be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:33:31, skipping insertion in model container [2019-01-01 23:33:31,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:33:31" (1/1) ... [2019-01-01 23:33:31,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 23:33:31,395 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 23:33:31,777 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:33:31,793 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 23:33:31,919 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:33:32,055 INFO L195 MainTranslator]: Completed translation [2019-01-01 23:33:32,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:33:32 WrapperNode [2019-01-01 23:33:32,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 23:33:32,060 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 23:33:32,060 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 23:33:32,060 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 23:33:32,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:33:32" (1/1) ... [2019-01-01 23:33:32,102 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:33:32" (1/1) ... [2019-01-01 23:33:32,141 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 23:33:32,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 23:33:32,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 23:33:32,142 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 23:33:32,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:33:32" (1/1) ... [2019-01-01 23:33:32,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:33:32" (1/1) ... [2019-01-01 23:33:32,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:33:32" (1/1) ... [2019-01-01 23:33:32,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:33:32" (1/1) ... [2019-01-01 23:33:32,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:33:32" (1/1) ... [2019-01-01 23:33:32,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:33:32" (1/1) ... [2019-01-01 23:33:32,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:33:32" (1/1) ... [2019-01-01 23:33:32,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 23:33:32,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 23:33:32,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 23:33:32,186 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 23:33:32,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:33:32" (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 [2019-01-01 23:33:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 23:33:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-01 23:33:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 23:33:32,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 23:33:33,497 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 23:33:33,498 INFO L280 CfgBuilder]: Removed 98 assue(true) statements. [2019-01-01 23:33:33,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:33:33 BoogieIcfgContainer [2019-01-01 23:33:33,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 23:33:33,500 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 23:33:33,500 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 23:33:33,504 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 23:33:33,505 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:33:33,506 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 11:33:31" (1/3) ... [2019-01-01 23:33:33,507 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59766021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:33:33, skipping insertion in model container [2019-01-01 23:33:33,507 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:33:33,508 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:33:32" (2/3) ... [2019-01-01 23:33:33,508 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59766021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:33:33, skipping insertion in model container [2019-01-01 23:33:33,508 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:33:33,508 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:33:33" (3/3) ... [2019-01-01 23:33:33,511 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product18_true-unreach-call_false-termination.cil.c [2019-01-01 23:33:33,571 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 23:33:33,571 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 23:33:33,572 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 23:33:33,572 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 23:33:33,572 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 23:33:33,572 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 23:33:33,572 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 23:33:33,572 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 23:33:33,573 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 23:33:33,595 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2019-01-01 23:33:33,624 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-01-01 23:33:33,625 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:33:33,625 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:33:33,634 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:33:33,634 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:33:33,634 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 23:33:33,635 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2019-01-01 23:33:33,641 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-01-01 23:33:33,641 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:33:33,641 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:33:33,642 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:33:33,642 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:33:33,648 INFO L794 eck$LassoCheckResult]: Stem: 32#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1); 13#L-1true havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; 62#L94true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 5#L102true main_#t~ret3 := valid_product_#res;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; 36#L194true assume 0 != main_~tmp~1; 63#L170true havoc test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 7#L51-1true [2019-01-01 23:33:33,648 INFO L796 eck$LassoCheckResult]: Loop: 7#L51-1true assume !false; 47#L385true assume test_~splverifierCounter~0 < 4; 61#L386true test_~tmp~4 := test_#t~nondet23;havoc test_#t~nondet23; 11#L394true assume !(0 != test_~tmp~4); 64#L394-1true test_~tmp___0~2 := test_#t~nondet24;havoc test_#t~nondet24; 49#L404true assume !(0 != test_~tmp___0~2); 51#L404-1true test_~tmp___2~0 := test_#t~nondet25;havoc test_#t~nondet25; 30#L414true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 41#L422-2true assume !(0 != ~pumpRunning~0); 48#L221true assume !(0 != ~systemActive~0); 58#L228true havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 34#L860true __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; 9#L51true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 7#L51-1true [2019-01-01 23:33:33,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:33:33,655 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-01-01 23:33:33,657 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:33:33,658 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:33:33,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:33:33,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:33:33,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:33:34,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:33:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:33:34,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:33:34,567 INFO L82 PathProgramCache]: Analyzing trace with hash -1680729469, now seen corresponding path program 1 times [2019-01-01 23:33:34,567 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:33:34,568 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:33:34,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:33:34,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:33:34,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:33:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:33:34,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:33:34,697 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:33:34,698 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 23:33:34,704 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-01-01 23:33:34,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 23:33:34,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 23:33:34,728 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 3 states. [2019-01-01 23:33:34,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:33:34,837 INFO L93 Difference]: Finished difference Result 72 states and 98 transitions. [2019-01-01 23:33:34,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 23:33:34,840 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 98 transitions. [2019-01-01 23:33:34,844 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-01-01 23:33:34,851 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 65 states and 90 transitions. [2019-01-01 23:33:34,852 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 65 [2019-01-01 23:33:34,853 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 65 [2019-01-01 23:33:34,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 90 transitions. [2019-01-01 23:33:34,854 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:33:34,855 INFO L705 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-01-01 23:33:34,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 90 transitions. [2019-01-01 23:33:34,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-01-01 23:33:34,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-01-01 23:33:34,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2019-01-01 23:33:34,892 INFO L728 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-01-01 23:33:34,892 INFO L608 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-01-01 23:33:34,893 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 23:33:34,893 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 90 transitions. [2019-01-01 23:33:34,895 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-01-01 23:33:34,895 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:33:34,895 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:33:34,896 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:33:34,896 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:33:34,896 INFO L794 eck$LassoCheckResult]: Stem: 202#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1); 170#L-1 havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; 171#L94 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 158#L102 main_#t~ret3 := valid_product_#res;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; 159#L194 assume 0 != main_~tmp~1; 205#L170 havoc test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 162#L51-1 [2019-01-01 23:33:34,897 INFO L796 eck$LassoCheckResult]: Loop: 162#L51-1 assume !false; 163#L385 assume test_~splverifierCounter~0 < 4; 210#L386 test_~tmp~4 := test_#t~nondet23;havoc test_#t~nondet23; 167#L394 assume !(0 != test_~tmp~4); 169#L394-1 test_~tmp___0~2 := test_#t~nondet24;havoc test_#t~nondet24; 212#L404 assume !(0 != test_~tmp___0~2); 213#L404-1 test_~tmp___2~0 := test_#t~nondet25;havoc test_#t~nondet25; 198#L414 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 199#L422-2 assume !(0 != ~pumpRunning~0); 192#L221 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 194#L253 assume !(0 != ~pumpRunning~0); 196#L228 havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 203#L860 __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; 164#L51 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 162#L51-1 [2019-01-01 23:33:34,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:33:34,897 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-01-01 23:33:34,897 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:33:34,897 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:33:34,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:33:34,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:33:34,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:33:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:33:35,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:33:35,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:33:35,259 INFO L82 PathProgramCache]: Analyzing trace with hash -589998917, now seen corresponding path program 1 times [2019-01-01 23:33:35,259 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:33:35,259 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:33:35,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:33:35,260 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 23:33:35,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:33:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:33:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:33:35,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:33:35,278 INFO L82 PathProgramCache]: Analyzing trace with hash 1013040609, now seen corresponding path program 1 times [2019-01-01 23:33:35,278 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:33:35,278 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:33:35,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:33:35,279 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:33:35,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:33:35,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:33:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:33:35,819 WARN L181 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2019-01-01 23:34:00,775 WARN L181 SmtUtils]: Spent 24.89 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-01-01 23:34:12,999 WARN L181 SmtUtils]: Spent 12.22 s on a formula simplification that was a NOOP. DAG size: 449 [2019-01-01 23:34:13,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 11:34:13 BoogieIcfgContainer [2019-01-01 23:34:13,067 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 23:34:13,068 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 23:34:13,068 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 23:34:13,068 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 23:34:13,069 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:33:33" (3/4) ... [2019-01-01 23:34:13,074 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-01 23:34:13,157 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 23:34:13,158 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 23:34:13,158 INFO L168 Benchmark]: Toolchain (without parser) took 41848.31 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 324.0 MB). Free memory was 950.0 MB in the beginning and 1.0 GB in the end (delta: -60.8 MB). Peak memory consumption was 263.2 MB. Max. memory is 11.5 GB. [2019-01-01 23:34:13,160 INFO L168 Benchmark]: CDTParser took 0.47 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. [2019-01-01 23:34:13,160 INFO L168 Benchmark]: CACSL2BoogieTranslator took 746.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -184.8 MB). Peak memory consumption was 50.1 MB. Max. memory is 11.5 GB. [2019-01-01 23:34:13,162 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.94 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. [2019-01-01 23:34:13,163 INFO L168 Benchmark]: Boogie Preprocessor took 43.03 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. [2019-01-01 23:34:13,164 INFO L168 Benchmark]: RCFGBuilder took 1314.00 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: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 11.5 GB. [2019-01-01 23:34:13,165 INFO L168 Benchmark]: BuchiAutomizer took 39567.70 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 183.0 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.9 MB). Peak memory consumption was 427.3 MB. Max. memory is 11.5 GB. [2019-01-01 23:34:13,166 INFO L168 Benchmark]: Witness Printer took 89.65 ms. Allocated memory is still 1.4 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:34:13,175 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 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 746.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -184.8 MB). Peak memory consumption was 50.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 81.94 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 43.03 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 1314.00 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: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 39567.70 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 183.0 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.9 MB). Peak memory consumption was 427.3 MB. Max. memory is 11.5 GB. * Witness Printer took 89.65 ms. Allocated memory is still 1.4 GB. Free memory is still 1.0 GB. There was no memory consumed. 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 65 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 39.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 39.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 65 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 95 SDtfs, 95 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 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: 384]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=4971} State at position 1 is {NULL=-3, NULL=0, NULL=0, NULL=-16, NULL=0, NULL=0, retValue_acc=0, NULL=4971, NULL=-12, NULL=-23, NULL=0, NULL=-7, NULL=-20, NULL=-4, NULL=-17, methaneLevelCritical=0, NULL=0, tmp=0, NULL=0, NULL=0, tmp___1=0, tmp___0=0, cleanupTimeShifts=4, NULL=-11, NULL=-2, NULL=-1, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=-24, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@450950d0=0, NULL=4970, retValue_acc=0, NULL=0, NULL=-13, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=-14, NULL=-18, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6df559f3=0, NULL=-5, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@731eecd5=0, NULL=0, tmp=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@75aee551=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@446016a5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60484046=57, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@352eab05=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29f51d4=0, NULL=0, tmp=0, NULL=-6, NULL=-22, NULL=0, retValue_acc=1, tmp___2=57, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, \result=0, NULL=-9, NULL=-19, tmp=0, head=0, NULL=-10, NULL=0, NULL=0, NULL=-8, NULL=-15, NULL=0, NULL=-21} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L107] int cleanupTimeShifts = 4; [L214] int pumpRunning = 0; [L215] int systemActive = 1; [L610] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L817] int waterLevel = 1; [L818] int methaneLevelCritical = 0; [L185] int retValue_acc ; [L186] int tmp ; [L98] int retValue_acc ; [L101] retValue_acc = 1 [L102] return (retValue_acc); [L192] tmp = valid_product() [L194] COND TRUE \read(tmp) [L375] int splverifierCounter ; [L376] int tmp ; [L377] int tmp___0 ; [L378] int tmp___1 ; [L379] int tmp___2 ; [L382] splverifierCounter = 0 Loop: [L384] COND TRUE 1 [L386] COND TRUE splverifierCounter < 4 [L392] tmp = __VERIFIER_nondet_int() [L394] COND FALSE !(\read(tmp)) [L402] tmp___0 = __VERIFIER_nondet_int() [L404] COND FALSE !(\read(tmp___0)) [L412] tmp___2 = __VERIFIER_nondet_int() [L414] COND TRUE \read(tmp___2) [L369] systemActive = 1 [L221] COND FALSE !(\read(pumpRunning)) [L228] COND TRUE \read(systemActive) [L250] int tmp ; [L253] COND FALSE !(\read(pumpRunning)) [L44] int tmp ; [L45] int tmp___0 ; [L856] int retValue_acc ; [L859] retValue_acc = methaneLevelCritical [L860] return (retValue_acc); [L49] tmp = isMethaneLevelCritical() [L51] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...