./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product18_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ed45e0db-fcca-49ae-8c52-65de710332db/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ed45e0db-fcca-49ae-8c52-65de710332db/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ed45e0db-fcca-49ae-8c52-65de710332db/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ed45e0db-fcca-49ae-8c52-65de710332db/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product18_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ed45e0db-fcca-49ae-8c52-65de710332db/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ed45e0db-fcca-49ae-8c52-65de710332db/bin-2019/uautomizer --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 0.1.23-5842f4b [2018-11-18 10:46:22,304 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:46:22,305 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:46:22,313 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:46:22,313 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:46:22,314 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:46:22,315 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:46:22,316 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:46:22,317 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:46:22,317 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:46:22,318 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:46:22,318 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:46:22,319 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:46:22,320 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:46:22,321 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:46:22,321 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:46:22,322 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:46:22,323 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:46:22,324 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:46:22,325 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:46:22,326 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:46:22,327 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:46:22,328 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:46:22,329 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:46:22,329 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:46:22,329 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:46:22,330 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:46:22,331 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:46:22,331 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:46:22,332 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:46:22,332 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:46:22,333 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:46:22,333 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:46:22,333 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:46:22,333 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:46:22,334 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:46:22,334 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ed45e0db-fcca-49ae-8c52-65de710332db/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 10:46:22,345 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:46:22,346 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:46:22,347 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:46:22,347 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:46:22,347 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 10:46:22,350 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 10:46:22,350 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 10:46:22,350 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 10:46:22,350 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 10:46:22,351 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 10:46:22,351 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 10:46:22,351 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:46:22,351 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:46:22,351 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 10:46:22,351 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:46:22,351 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:46:22,352 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:46:22,352 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 10:46:22,352 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 10:46:22,352 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 10:46:22,352 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:46:22,352 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:46:22,352 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 10:46:22,353 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:46:22,353 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 10:46:22,353 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:46:22,353 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:46:22,353 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 10:46:22,353 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:46:22,354 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 10:46:22,354 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 10:46:22,354 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 10:46:22,355 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_ed45e0db-fcca-49ae-8c52-65de710332db/bin-2019/uautomizer 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 [2018-11-18 10:46:22,378 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:46:22,387 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:46:22,390 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:46:22,391 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:46:22,391 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:46:22,392 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ed45e0db-fcca-49ae-8c52-65de710332db/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product18_true-unreach-call_false-termination.cil.c [2018-11-18 10:46:22,433 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ed45e0db-fcca-49ae-8c52-65de710332db/bin-2019/uautomizer/data/eb7cd3993/990cb14d790349e9a0fda4bcec676982/FLAGd1c9eca53 [2018-11-18 10:46:22,854 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:46:22,854 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ed45e0db-fcca-49ae-8c52-65de710332db/sv-benchmarks/c/product-lines/minepump_spec1_product18_true-unreach-call_false-termination.cil.c [2018-11-18 10:46:22,861 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ed45e0db-fcca-49ae-8c52-65de710332db/bin-2019/uautomizer/data/eb7cd3993/990cb14d790349e9a0fda4bcec676982/FLAGd1c9eca53 [2018-11-18 10:46:22,871 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ed45e0db-fcca-49ae-8c52-65de710332db/bin-2019/uautomizer/data/eb7cd3993/990cb14d790349e9a0fda4bcec676982 [2018-11-18 10:46:22,872 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:46:22,873 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:46:22,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:46:22,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:46:22,876 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:46:22,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:46:22" (1/1) ... [2018-11-18 10:46:22,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae989df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:46:22, skipping insertion in model container [2018-11-18 10:46:22,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:46:22" (1/1) ... [2018-11-18 10:46:22,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:46:22,911 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:46:23,099 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:46:23,108 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:46:23,206 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:46:23,222 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:46:23,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:46:23 WrapperNode [2018-11-18 10:46:23,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:46:23,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:46:23,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:46:23,224 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:46:23,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:46:23" (1/1) ... [2018-11-18 10:46:23,242 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:46:23" (1/1) ... [2018-11-18 10:46:23,266 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:46:23,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:46:23,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:46:23,267 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:46:23,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:46:23" (1/1) ... [2018-11-18 10:46:23,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:46:23" (1/1) ... [2018-11-18 10:46:23,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:46:23" (1/1) ... [2018-11-18 10:46:23,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:46:23" (1/1) ... [2018-11-18 10:46:23,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:46:23" (1/1) ... [2018-11-18 10:46:23,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:46:23" (1/1) ... [2018-11-18 10:46:23,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:46:23" (1/1) ... [2018-11-18 10:46:23,292 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:46:23,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:46:23,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:46:23,293 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:46:23,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:46:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ed45e0db-fcca-49ae-8c52-65de710332db/bin-2019/uautomizer/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 [2018-11-18 10:46:23,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:46:23,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:46:23,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:46:23,800 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:46:23,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:46:23 BoogieIcfgContainer [2018-11-18 10:46:23,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:46:23,801 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 10:46:23,802 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 10:46:23,804 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 10:46:23,805 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:46:23,805 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 10:46:22" (1/3) ... [2018-11-18 10:46:23,806 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@600dc841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:46:23, skipping insertion in model container [2018-11-18 10:46:23,806 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:46:23,806 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:46:23" (2/3) ... [2018-11-18 10:46:23,806 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@600dc841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:46:23, skipping insertion in model container [2018-11-18 10:46:23,806 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:46:23,807 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:46:23" (3/3) ... [2018-11-18 10:46:23,808 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product18_true-unreach-call_false-termination.cil.c [2018-11-18 10:46:23,841 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 10:46:23,842 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 10:46:23,842 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 10:46:23,842 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 10:46:23,842 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:46:23,842 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:46:23,843 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 10:46:23,843 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:46:23,843 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 10:46:23,855 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 105 states. [2018-11-18 10:46:23,873 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2018-11-18 10:46:23,874 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:46:23,874 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:46:23,879 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:46:23,879 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:46:23,879 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 10:46:23,879 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 105 states. [2018-11-18 10:46:23,883 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2018-11-18 10:46:23,883 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:46:23,883 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:46:23,884 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:46:23,884 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:46:23,888 INFO L794 eck$LassoCheckResult]: Stem: 87#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(13);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 110];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 44];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 80];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 117];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 109];#memory_int := #memory_int[#t~string13.base,4 + #t~string13.offset := 112];#memory_int := #memory_int[#t~string13.base,5 + #t~string13.offset := 58];#memory_int := #memory_int[#t~string13.base,6 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 110];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,3 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 41];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 32];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 10];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(21);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(21);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(25);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(25);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 77];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 101];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 116];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 104];#memory_int := #memory_int[#t~string65.base,5 + #t~string65.offset := 58];#memory_int := #memory_int[#t~string65.base,6 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 67];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 82];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 73];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 84];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 75];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 46#L94true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 12#L87true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;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; 57#L102true main_#t~ret3 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; 23#L194true assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 103#L170true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;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; 11#L384-3true [2018-11-18 10:46:23,888 INFO L796 eck$LassoCheckResult]: Loop: 11#L384-3true assume true; 17#L384-1true assume !false; 92#L385true assume test_~splverifierCounter~0 < 4; 45#L386true test_~tmp~4 := test_#t~nondet23;havoc test_#t~nondet23; 62#L394true assume !(0 != test_~tmp~4); 49#L394-2true test_~tmp___0~2 := test_#t~nondet24;havoc test_#t~nondet24; 93#L404true assume !(0 != test_~tmp___0~2); 96#L404-2true test_~tmp___2~0 := test_#t~nondet25;havoc test_#t~nondet25; 18#L414true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 20#L370true assume { :end_inline_startSystem } true; 29#L422-2true assume { :begin_inline_timeShift } true; 35#L221true assume !(0 != ~pumpRunning~0); 33#L221-2true assume !(0 != ~systemActive~0); 97#L228-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;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;assume { :begin_inline_isMethaneLevelCritical } true;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; 22#L860true __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; 8#L51true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 6#L51-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 26#L238true assume { :end_inline_timeShift } true; 11#L384-3true [2018-11-18 10:46:23,893 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:46:23,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 10:46:23,895 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:46:23,896 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:46:23,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:46:23,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:46:23,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:46:23,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:46:24,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:46:24,060 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:46:24,060 INFO L82 PathProgramCache]: Analyzing trace with hash 2068895379, now seen corresponding path program 1 times [2018-11-18 10:46:24,060 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:46:24,061 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:46:24,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:46:24,062 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:46:24,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:46:24,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:46:24,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:46:24,098 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:46:24,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:46:24,101 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 10:46:24,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:46:24,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:46:24,113 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 3 states. [2018-11-18 10:46:24,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:46:24,143 INFO L93 Difference]: Finished difference Result 102 states and 128 transitions. [2018-11-18 10:46:24,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:46:24,145 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 128 transitions. [2018-11-18 10:46:24,147 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2018-11-18 10:46:24,150 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 92 states and 117 transitions. [2018-11-18 10:46:24,151 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 92 [2018-11-18 10:46:24,151 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 92 [2018-11-18 10:46:24,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 92 states and 117 transitions. [2018-11-18 10:46:24,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 10:46:24,152 INFO L705 BuchiCegarLoop]: Abstraction has 92 states and 117 transitions. [2018-11-18 10:46:24,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states and 117 transitions. [2018-11-18 10:46:24,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-11-18 10:46:24,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-11-18 10:46:24,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 117 transitions. [2018-11-18 10:46:24,180 INFO L728 BuchiCegarLoop]: Abstraction has 92 states and 117 transitions. [2018-11-18 10:46:24,180 INFO L608 BuchiCegarLoop]: Abstraction has 92 states and 117 transitions. [2018-11-18 10:46:24,180 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 10:46:24,180 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states and 117 transitions. [2018-11-18 10:46:24,182 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2018-11-18 10:46:24,182 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:46:24,182 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:46:24,183 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:46:24,183 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:46:24,183 INFO L794 eck$LassoCheckResult]: Stem: 283#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(13);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 110];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 44];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 80];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 117];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 109];#memory_int := #memory_int[#t~string13.base,4 + #t~string13.offset := 112];#memory_int := #memory_int[#t~string13.base,5 + #t~string13.offset := 58];#memory_int := #memory_int[#t~string13.base,6 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 110];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,3 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 41];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 32];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 10];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(21);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(21);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(25);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(25);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 77];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 101];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 116];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 104];#memory_int := #memory_int[#t~string65.base,5 + #t~string65.offset := 58];#memory_int := #memory_int[#t~string65.base,6 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 67];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 82];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 73];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 84];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 75];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 244#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 245#L94 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 253#L87 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;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; 223#L102 main_#t~ret3 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; 224#L194 assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 288#L170 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;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; 250#L384-3 [2018-11-18 10:46:24,183 INFO L796 eck$LassoCheckResult]: Loop: 250#L384-3 assume true; 251#L384-1 assume !false; 278#L385 assume test_~splverifierCounter~0 < 4; 298#L386 test_~tmp~4 := test_#t~nondet23;havoc test_#t~nondet23; 236#L394 assume !(0 != test_~tmp~4); 238#L394-2 test_~tmp___0~2 := test_#t~nondet24;havoc test_#t~nondet24; 300#L404 assume !(0 != test_~tmp___0~2); 302#L404-2 test_~tmp___2~0 := test_#t~nondet25;havoc test_#t~nondet25; 279#L414 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 280#L370 assume { :end_inline_startSystem } true; 284#L422-2 assume { :begin_inline_timeShift } true; 296#L221 assume !(0 != ~pumpRunning~0); 277#L221-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 272#L253 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 240#L245-1 assume { :end_inline_processEnvironment__wrappee__base } true; 241#L253-1 assume { :end_inline_processEnvironment } true; 270#L228-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;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;assume { :begin_inline_isMethaneLevelCritical } true;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; 286#L860 __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; 234#L51 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 231#L51-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 232#L238 assume { :end_inline_timeShift } true; 250#L384-3 [2018-11-18 10:46:24,183 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:46:24,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 10:46:24,184 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:46:24,184 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:46:24,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:46:24,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:46:24,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:46:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:46:24,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:46:24,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:46:24,239 INFO L82 PathProgramCache]: Analyzing trace with hash -1679294601, now seen corresponding path program 1 times [2018-11-18 10:46:24,239 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:46:24,239 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:46:24,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:46:24,240 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 10:46:24,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:46:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:46:24,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:46:24,249 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:46:24,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1227625421, now seen corresponding path program 1 times [2018-11-18 10:46:24,250 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:46:24,250 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:46:24,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:46:24,251 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:46:24,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:46:24,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:46:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:47:07,554 WARN L180 SmtUtils]: Spent 43.15 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 10:47:21,027 WARN L180 SmtUtils]: Spent 13.47 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 10:47:21,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 10:47:21 BoogieIcfgContainer [2018-11-18 10:47:21,086 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 10:47:21,087 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:47:21,087 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:47:21,087 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:47:21,087 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:46:23" (3/4) ... [2018-11-18 10:47:21,090 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 10:47:21,129 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ed45e0db-fcca-49ae-8c52-65de710332db/bin-2019/uautomizer/witness.graphml [2018-11-18 10:47:21,129 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:47:21,130 INFO L168 Benchmark]: Toolchain (without parser) took 58257.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 951.1 MB in the beginning and 998.2 MB in the end (delta: -47.1 MB). Peak memory consumption was 106.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:47:21,131 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:47:21,131 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -158.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:47:21,131 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.94 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:47:21,131 INFO L168 Benchmark]: Boogie Preprocessor took 25.97 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:47:21,132 INFO L168 Benchmark]: RCFGBuilder took 508.27 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: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:47:21,132 INFO L168 Benchmark]: BuchiAutomizer took 57284.83 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 29.9 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 39.3 MB). Peak memory consumption was 194.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:47:21,132 INFO L168 Benchmark]: Witness Printer took 42.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 998.2 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:47:21,136 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 349.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -158.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.94 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.97 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 508.27 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: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 57284.83 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 29.9 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 39.3 MB). Peak memory consumption was 194.2 MB. Max. memory is 11.5 GB. * Witness Printer took 42.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 998.2 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. 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 92 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 57.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 57.0s. 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 92 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 125 SDtfs, 123 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 {} State at position 1 is {"On"=18, NULL=0, "__utac__get_this_arg"=0, "libacc.c"=31, "Env(Water:%i"=0, "libacc.c"=0, retValue_acc=0, "libacc.c"=23, ")"=40, "i > 0 && i <= this->argsCount"=0, "Pump(System:"=14, "Env(Water:%i"=36, "Off"=16, "__utac__get_this_argtype"=33, methaneLevelCritical=0, ",Meth:"=0, tmp=0, "OK"=0, "CRIT"=0, tmp___1=0, tmp___0=0, cleanupTimeShifts=4, "__utac__get_this_arg"=28, "i > 0 && i <= this->argsCount"=8, "Off"=19, "\n"=0, NULL=0, systemActive=1, waterLevel=1, "OK"=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@b6d539=0, "libacc.c"=34, retValue_acc=0, "libacc.c"=0, "__utac__get_this_arg"=24, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=0, "libacc.c"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, \result=1, head=0, pumpRunning=0, "libacc.c"=27, "i > 0 && i <= this->argsCount"=11, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5926d76f=0, "\n"=22, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@548c0378=0, ") "=0, tmp=1, "On"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a57d364=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c82a8f6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@291c9752=43, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6bfac963=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4766eb59=0, "Off"=0, tmp=0, "i > 0 && i <= this->argsCount"=26, "CRIT"=38, ")"=0, retValue_acc=1, tmp___2=43, tmp___0=0, splverifierCounter=0, "__utac__get_this_argtype"=0, "On"=0, "Pump(System:"=0, \result=0, "On"=15, "__utac__get_this_argtype"=35, tmp=0, head=0, ") "=20, ",Pump:"=0, "Off"=0, ",Pump:"=17, "i > 0 && i <= this->argsCount"=29, "i > 0 && i <= this->argsCount"=0, ",Meth:"=37} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 384]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L315] FCALL "Pump(System:" [L319] FCALL "On" [L323] FCALL "Off" [L327] FCALL ",Pump:" [L331] FCALL "On" [L335] FCALL "Off" [L339] FCALL ") " [L341] FCALL "\n" [L738] FCALL "i > 0 && i <= this->argsCount" [L738] FCALL "libacc.c" [L739] FCALL "__utac__get_this_arg" [L745] FCALL "i > 0 && i <= this->argsCount" [L745] FCALL "libacc.c" [L746] FCALL "__utac__get_this_arg" [L784] FCALL "i > 0 && i <= this->argsCount" [L784] FCALL "libacc.c" [L785] FCALL "__utac__get_this_argtype" [L791] FCALL "i > 0 && i <= this->argsCount" [L791] FCALL "libacc.c" [L792] FCALL "__utac__get_this_argtype" [L869] FCALL "Env(Water:%i" [L870] FCALL ",Meth:" [L874] FCALL "CRIT" [L878] FCALL "OK" [L882] FCALL ")" [L107] int cleanupTimeShifts = 4; [L214] int pumpRunning = 0; [L215] int systemActive = 1; [L817] int waterLevel = 1; [L818] int methaneLevelCritical = 0; [L610] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L185] int retValue_acc ; [L186] int tmp ; [L190] FCALL select_helpers() [L191] FCALL select_features() [L192] CALL, EXPR valid_product() [L98] int retValue_acc ; [L101] retValue_acc = 1 [L102] RET return (retValue_acc); [L192] EXPR valid_product() [L192] tmp = valid_product() [L194] COND TRUE \read(tmp) [L196] FCALL setup() [L197] CALL runTest() [L179] CALL test() [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) [L416] CALL startSystem() [L369] RET systemActive = 1 [L416] startSystem() [L429] CALL timeShift() [L221] COND FALSE !(\read(pumpRunning)) [L228] COND TRUE \read(systemActive) [L230] CALL processEnvironment() [L250] int tmp ; [L253] COND FALSE !(\read(pumpRunning)) [L268] RET, FCALL processEnvironment__wrappee__base() [L230] processEnvironment() [L236] CALL __utac_acc__Specification1_spec__1() [L44] int tmp ; [L45] int tmp___0 ; [L49] CALL, EXPR isMethaneLevelCritical() [L856] int retValue_acc ; [L859] retValue_acc = methaneLevelCritical [L860] RET return (retValue_acc); [L49] EXPR isMethaneLevelCritical() [L49] tmp = isMethaneLevelCritical() [L51] COND FALSE, RET !(\read(tmp)) [L236] RET __utac_acc__Specification1_spec__1() [L429] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...