./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product17_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_c683bd43-e6c0-49fb-ba4c-58d2c1fbd2ef/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c683bd43-e6c0-49fb-ba4c-58d2c1fbd2ef/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c683bd43-e6c0-49fb-ba4c-58d2c1fbd2ef/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c683bd43-e6c0-49fb-ba4c-58d2c1fbd2ef/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product17_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c683bd43-e6c0-49fb-ba4c-58d2c1fbd2ef/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c683bd43-e6c0-49fb-ba4c-58d2c1fbd2ef/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 d2adcf2b9b8b03691138caa579df024fc7b4a734 ...................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:35:13,382 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:35:13,383 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:35:13,391 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:35:13,391 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:35:13,392 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:35:13,393 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:35:13,394 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:35:13,395 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:35:13,395 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:35:13,396 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:35:13,396 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:35:13,397 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:35:13,397 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:35:13,398 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:35:13,399 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:35:13,399 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:35:13,400 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:35:13,402 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:35:13,403 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:35:13,404 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:35:13,404 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:35:13,406 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:35:13,406 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:35:13,406 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:35:13,407 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:35:13,408 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:35:13,408 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:35:13,409 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:35:13,410 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:35:13,410 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:35:13,410 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:35:13,410 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:35:13,411 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:35:13,411 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:35:13,412 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:35:13,412 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c683bd43-e6c0-49fb-ba4c-58d2c1fbd2ef/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 13:35:13,423 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:35:13,423 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:35:13,424 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:35:13,424 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:35:13,424 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:35:13,424 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 13:35:13,424 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 13:35:13,424 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 13:35:13,425 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 13:35:13,425 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 13:35:13,425 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 13:35:13,425 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:35:13,425 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:35:13,425 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 13:35:13,425 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:35:13,426 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:35:13,426 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:35:13,426 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 13:35:13,426 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 13:35:13,426 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 13:35:13,426 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:35:13,427 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:35:13,427 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 13:35:13,427 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:35:13,427 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 13:35:13,427 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:35:13,427 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:35:13,427 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 13:35:13,428 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:35:13,428 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 13:35:13,428 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 13:35:13,428 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 13:35:13,429 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_c683bd43-e6c0-49fb-ba4c-58d2c1fbd2ef/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 -> d2adcf2b9b8b03691138caa579df024fc7b4a734 [2018-11-18 13:35:13,452 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:35:13,461 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:35:13,463 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:35:13,464 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:35:13,465 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:35:13,465 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c683bd43-e6c0-49fb-ba4c-58d2c1fbd2ef/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product17_true-unreach-call_false-termination.cil.c [2018-11-18 13:35:13,511 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c683bd43-e6c0-49fb-ba4c-58d2c1fbd2ef/bin-2019/uautomizer/data/d0f37b66e/2c10818dec0548898b5414a4ab215fff/FLAGcc936f189 [2018-11-18 13:35:13,861 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:35:13,861 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c683bd43-e6c0-49fb-ba4c-58d2c1fbd2ef/sv-benchmarks/c/product-lines/minepump_spec1_product17_true-unreach-call_false-termination.cil.c [2018-11-18 13:35:13,869 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c683bd43-e6c0-49fb-ba4c-58d2c1fbd2ef/bin-2019/uautomizer/data/d0f37b66e/2c10818dec0548898b5414a4ab215fff/FLAGcc936f189 [2018-11-18 13:35:13,880 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c683bd43-e6c0-49fb-ba4c-58d2c1fbd2ef/bin-2019/uautomizer/data/d0f37b66e/2c10818dec0548898b5414a4ab215fff [2018-11-18 13:35:13,883 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:35:13,883 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:35:13,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:35:13,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:35:13,886 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:35:13,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:35:13" (1/1) ... [2018-11-18 13:35:13,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5af69b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:13, skipping insertion in model container [2018-11-18 13:35:13,888 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:35:13" (1/1) ... [2018-11-18 13:35:13,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:35:13,925 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:35:14,118 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:35:14,127 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:35:14,224 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:35:14,238 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:35:14,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:14 WrapperNode [2018-11-18 13:35:14,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:35:14,239 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:35:14,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:35:14,239 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:35:14,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:14" (1/1) ... [2018-11-18 13:35:14,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:14" (1/1) ... [2018-11-18 13:35:14,282 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:35:14,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:35:14,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:35:14,282 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:35:14,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:14" (1/1) ... [2018-11-18 13:35:14,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:14" (1/1) ... [2018-11-18 13:35:14,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:14" (1/1) ... [2018-11-18 13:35:14,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:14" (1/1) ... [2018-11-18 13:35:14,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:14" (1/1) ... [2018-11-18 13:35:14,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:14" (1/1) ... [2018-11-18 13:35:14,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:14" (1/1) ... [2018-11-18 13:35:14,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:35:14,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:35:14,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:35:14,302 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:35:14,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c683bd43-e6c0-49fb-ba4c-58d2c1fbd2ef/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 13:35:14,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:35:14,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:35:14,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:35:14,852 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:35:14,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:35:14 BoogieIcfgContainer [2018-11-18 13:35:14,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:35:14,854 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 13:35:14,854 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 13:35:14,856 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 13:35:14,857 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:35:14,857 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 01:35:13" (1/3) ... [2018-11-18 13:35:14,858 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71f1d4eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:35:14, skipping insertion in model container [2018-11-18 13:35:14,858 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:35:14,858 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:14" (2/3) ... [2018-11-18 13:35:14,859 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71f1d4eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:35:14, skipping insertion in model container [2018-11-18 13:35:14,859 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:35:14,859 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:35:14" (3/3) ... [2018-11-18 13:35:14,861 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product17_true-unreach-call_false-termination.cil.c [2018-11-18 13:35:14,916 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:35:14,917 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 13:35:14,917 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 13:35:14,917 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 13:35:14,917 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:35:14,917 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:35:14,917 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 13:35:14,917 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:35:14,917 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 13:35:14,942 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2018-11-18 13:35:14,966 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2018-11-18 13:35:14,966 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:35:14,966 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:35:14,972 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:35:14,972 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:35:14,972 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 13:35:14,972 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2018-11-18 13:35:14,977 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2018-11-18 13:35:14,977 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:35:14,977 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:35:14,978 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:35:14,978 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:35:14,982 INFO L794 eck$LassoCheckResult]: Stem: 86#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(30);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(9);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(21);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(30);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(9);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(21);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(30);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(9);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(25);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(25);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(13);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 79];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 110];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 79];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 102];#memory_int := #memory_int[#t~string45.base,2 + #t~string45.offset := 102];#memory_int := #memory_int[#t~string45.base,3 + #t~string45.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string47.base,#t~string47.offset := 44];#memory_int := #memory_int[#t~string47.base,1 + #t~string47.offset := 80];#memory_int := #memory_int[#t~string47.base,2 + #t~string47.offset := 117];#memory_int := #memory_int[#t~string47.base,3 + #t~string47.offset := 109];#memory_int := #memory_int[#t~string47.base,4 + #t~string47.offset := 112];#memory_int := #memory_int[#t~string47.base,5 + #t~string47.offset := 58];#memory_int := #memory_int[#t~string47.base,6 + #t~string47.offset := 0];call #t~string49.base, #t~string49.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string49.base,#t~string49.offset := 79];#memory_int := #memory_int[#t~string49.base,1 + #t~string49.offset := 110];#memory_int := #memory_int[#t~string49.base,2 + #t~string49.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string51.base,#t~string51.offset := 79];#memory_int := #memory_int[#t~string51.base,1 + #t~string51.offset := 102];#memory_int := #memory_int[#t~string51.base,2 + #t~string51.offset := 102];#memory_int := #memory_int[#t~string51.base,3 + #t~string51.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 41];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 32];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 10];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(13);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 44];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 77];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 101];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 116];#memory_int := #memory_int[#t~string60.base,4 + #t~string60.offset := 104];#memory_int := #memory_int[#t~string60.base,5 + #t~string60.offset := 58];#memory_int := #memory_int[#t~string60.base,6 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 67];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 82];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 73];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 84];#memory_int := #memory_int[#t~string62.base,4 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 75];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 41];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.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; 14#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 29#L882true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 93#L875true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 44#L890true main_#t~ret37 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret37;havoc main_#t~ret37; 97#L525true assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 88#L498true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 24#L805-3true [2018-11-18 13:35:14,982 INFO L796 eck$LassoCheckResult]: Loop: 24#L805-3true assume true; 21#L805-1true assume !false; 94#L806true assume test_~splverifierCounter~0 < 4; 54#L807true test_~tmp~7 := test_#t~nondet67;havoc test_#t~nondet67; 79#L815true assume !(0 != test_~tmp~7); 61#L815-2true test_~tmp___0~2 := test_#t~nondet68;havoc test_#t~nondet68; 95#L825true assume !(0 != test_~tmp___0~2); 99#L825-2true test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; 36#L835true assume 0 != test_~tmp___2~0; 18#L841-2true assume { :begin_inline_timeShift } true; 33#L560true assume !(0 != ~pumpRunning~0); 22#L560-2true assume !(0 != ~systemActive~0); 83#L567-1true 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~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 63#L749true __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; 10#L51true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 7#L51-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 8#L577true assume { :end_inline_timeShift } true; 24#L805-3true [2018-11-18 13:35:14,987 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:35:14,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 13:35:14,989 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:35:14,990 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:35:15,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:35:15,022 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:35:15,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:35:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:35:15,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:35:15,145 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:35:15,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1833244307, now seen corresponding path program 1 times [2018-11-18 13:35:15,145 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:35:15,145 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:35:15,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:35:15,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:35:15,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:35:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:35:15,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:35:15,157 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:35:15,157 INFO L82 PathProgramCache]: Analyzing trace with hash 901562703, now seen corresponding path program 1 times [2018-11-18 13:35:15,157 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:35:15,157 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:35:15,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:35:15,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:35:15,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:35:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:35:15,264 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 13:35:15,266 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:35:15,266 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:35:15,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:35:15,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:35:15,344 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 6 states. [2018-11-18 13:35:15,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:35:15,482 INFO L93 Difference]: Finished difference Result 101 states and 126 transitions. [2018-11-18 13:35:15,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 13:35:15,484 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 101 states and 126 transitions. [2018-11-18 13:35:15,487 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62 [2018-11-18 13:35:15,491 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 101 states to 91 states and 116 transitions. [2018-11-18 13:35:15,492 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 91 [2018-11-18 13:35:15,492 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 91 [2018-11-18 13:35:15,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 91 states and 116 transitions. [2018-11-18 13:35:15,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:35:15,493 INFO L705 BuchiCegarLoop]: Abstraction has 91 states and 116 transitions. [2018-11-18 13:35:15,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states and 116 transitions. [2018-11-18 13:35:15,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-11-18 13:35:15,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-11-18 13:35:15,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 116 transitions. [2018-11-18 13:35:15,516 INFO L728 BuchiCegarLoop]: Abstraction has 91 states and 116 transitions. [2018-11-18 13:35:15,516 INFO L608 BuchiCegarLoop]: Abstraction has 91 states and 116 transitions. [2018-11-18 13:35:15,516 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 13:35:15,516 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 91 states and 116 transitions. [2018-11-18 13:35:15,518 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62 [2018-11-18 13:35:15,518 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:35:15,518 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:35:15,518 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:35:15,518 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] [2018-11-18 13:35:15,519 INFO L794 eck$LassoCheckResult]: Stem: 293#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(30);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(9);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(21);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(30);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(9);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(21);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(30);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(9);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(25);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(25);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(13);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 79];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 110];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 79];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 102];#memory_int := #memory_int[#t~string45.base,2 + #t~string45.offset := 102];#memory_int := #memory_int[#t~string45.base,3 + #t~string45.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string47.base,#t~string47.offset := 44];#memory_int := #memory_int[#t~string47.base,1 + #t~string47.offset := 80];#memory_int := #memory_int[#t~string47.base,2 + #t~string47.offset := 117];#memory_int := #memory_int[#t~string47.base,3 + #t~string47.offset := 109];#memory_int := #memory_int[#t~string47.base,4 + #t~string47.offset := 112];#memory_int := #memory_int[#t~string47.base,5 + #t~string47.offset := 58];#memory_int := #memory_int[#t~string47.base,6 + #t~string47.offset := 0];call #t~string49.base, #t~string49.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string49.base,#t~string49.offset := 79];#memory_int := #memory_int[#t~string49.base,1 + #t~string49.offset := 110];#memory_int := #memory_int[#t~string49.base,2 + #t~string49.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string51.base,#t~string51.offset := 79];#memory_int := #memory_int[#t~string51.base,1 + #t~string51.offset := 102];#memory_int := #memory_int[#t~string51.base,2 + #t~string51.offset := 102];#memory_int := #memory_int[#t~string51.base,3 + #t~string51.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 41];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 32];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 10];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(13);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 44];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 77];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 101];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 116];#memory_int := #memory_int[#t~string60.base,4 + #t~string60.offset := 104];#memory_int := #memory_int[#t~string60.base,5 + #t~string60.offset := 58];#memory_int := #memory_int[#t~string60.base,6 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 67];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 82];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 73];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 84];#memory_int := #memory_int[#t~string62.base,4 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 75];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 41];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.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; 265#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 266#L882 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 295#L875 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 301#L890 main_#t~ret37 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret37;havoc main_#t~ret37; 308#L525 assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 294#L498 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 249#L805-3 [2018-11-18 13:35:15,519 INFO L796 eck$LassoCheckResult]: Loop: 249#L805-3 assume true; 280#L805-1 assume !false; 281#L806 assume test_~splverifierCounter~0 < 4; 304#L807 test_~tmp~7 := test_#t~nondet67;havoc test_#t~nondet67; 277#L815 assume !(0 != test_~tmp~7); 234#L815-2 test_~tmp___0~2 := test_#t~nondet68;havoc test_#t~nondet68; 235#L825 assume !(0 != test_~tmp___0~2); 290#L825-2 test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; 298#L835 assume 0 != test_~tmp___2~0; 268#L841-2 assume { :begin_inline_timeShift } true; 270#L560 assume !(0 != ~pumpRunning~0); 282#L560-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret38, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 274#L592 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 275#L584-1 assume { :end_inline_processEnvironment__wrappee__base } true; 278#L592-1 assume { :end_inline_processEnvironment } true; 279#L567-1 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~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 238#L749 __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; 239#L51 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 247#L51-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 248#L577 assume { :end_inline_timeShift } true; 249#L805-3 [2018-11-18 13:35:15,519 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:35:15,519 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 13:35:15,519 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:35:15,519 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:35:15,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:35:15,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:35:15,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:35:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:35:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:35:15,565 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:35:15,565 INFO L82 PathProgramCache]: Analyzing trace with hash 311146421, now seen corresponding path program 1 times [2018-11-18 13:35:15,565 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:35:15,565 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:35:15,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:35:15,566 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:35:15,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:35:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:35:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:35:15,575 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:35:15,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1336851591, now seen corresponding path program 1 times [2018-11-18 13:35:15,575 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:35:15,575 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:35:15,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:35:15,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:35:15,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:35:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:35:15,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:37:16,241 WARN L180 SmtUtils]: Spent 2.01 m on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 13:38:19,349 WARN L180 SmtUtils]: Spent 1.05 m on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 13:38:19,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 01:38:19 BoogieIcfgContainer [2018-11-18 13:38:19,411 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 13:38:19,411 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:38:19,411 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:38:19,411 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:38:19,412 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:35:14" (3/4) ... [2018-11-18 13:38:19,414 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 13:38:19,451 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c683bd43-e6c0-49fb-ba4c-58d2c1fbd2ef/bin-2019/uautomizer/witness.graphml [2018-11-18 13:38:19,451 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:38:19,451 INFO L168 Benchmark]: Toolchain (without parser) took 185568.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 956.6 MB in the beginning and 948.9 MB in the end (delta: 7.7 MB). Peak memory consumption was 97.8 MB. Max. memory is 11.5 GB. [2018-11-18 13:38:19,452 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:38:19,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -153.4 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:38:19,453 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.54 ms. Allocated memory is still 1.1 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 13:38:19,453 INFO L168 Benchmark]: Boogie Preprocessor took 19.60 ms. Allocated memory is still 1.1 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 13:38:19,453 INFO L168 Benchmark]: RCFGBuilder took 551.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:38:19,454 INFO L168 Benchmark]: BuchiAutomizer took 184557.15 ms. Allocated memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -28.3 MB). Free memory was 1.0 GB in the beginning and 953.1 MB in the end (delta: 90.4 MB). Peak memory consumption was 199.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:38:19,454 INFO L168 Benchmark]: Witness Printer took 39.93 ms. Allocated memory is still 1.1 GB. Free memory was 953.1 MB in the beginning and 948.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:38:19,456 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 354.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -153.4 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.54 ms. Allocated memory is still 1.1 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 19.60 ms. Allocated memory is still 1.1 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 551.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 184557.15 ms. Allocated memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -28.3 MB). Free memory was 1.0 GB in the beginning and 953.1 MB in the end (delta: 90.4 MB). Peak memory consumption was 199.7 MB. Max. memory is 11.5 GB. * Witness Printer took 39.93 ms. Allocated memory is still 1.1 GB. Free memory was 953.1 MB in the beginning and 948.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 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 6 locations. The remainder module has 91 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 184.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 184.2s. 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 91 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 121 SDtfs, 368 SDslu, 4 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 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: 805]: 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 {NULL=0, "OK"=0, "CRIT"=0, ",Pump:"=0, "\n"=12, retValue_acc=0, "Pump(System:"=0, "Off"=0, ",Meth:"=0, "On"=0, "OK"=38, methaneLevelCritical=0, retValue_acc=1, "Pump(System:"=20, "libacc.c"=23, ")"=0, tmp=0, tmp___1=0, "i > 0 && i <= this->argsCount"=28, "i > 0 && i <= this->argsCount"=33, "i > 0 && i <= this->argsCount"=36, tmp___0=0, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@391c8c0=0, "__utac__get_this_argtype"=22, "__utac__get_this_arg"=29, "__utac__get_this_argtype"=26, "Off"=18, ") "=14, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, NULL=0, systemActive=1, waterLevel=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@cb6eee8=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, retValue_acc=0, "Env(Water:%i"=8, "On"=0, ",Pump:"=17, ",Meth:"=11, "\n"=0, "Env(Water:%i"=0, ") "=0, \result=1, head=0, pumpRunning=0, "On"=16, \result=0, "libacc.c"=35, tmp=1, ")"=40, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4938722c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@705183d2=42, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@351dccdd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62951ba0=0, "Off"=0, "__utac__get_this_argtype"=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@154371fd=0, "__utac__get_this_arg"=34, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@cf56f7c=0, tmp___2=42, tmp___0=0, "libacc.c"=27, splverifierCounter=0, \result=0, head=0, tmp=0, "libacc.c"=31, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=24, "__utac__get_this_argtype"=0, "__utac__get_this_arg"=0, "On"=19, "CRIT"=39, "Off"=15} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 805]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L366] FCALL "i > 0 && i <= this->argsCount" [L366] FCALL "libacc.c" [L367] FCALL "__utac__get_this_arg" [L373] FCALL "i > 0 && i <= this->argsCount" [L373] FCALL "libacc.c" [L374] FCALL "__utac__get_this_arg" [L412] FCALL "i > 0 && i <= this->argsCount" [L412] FCALL "libacc.c" [L413] FCALL "__utac__get_this_argtype" [L419] FCALL "i > 0 && i <= this->argsCount" [L419] FCALL "libacc.c" [L420] FCALL "__utac__get_this_argtype" [L654] FCALL "Pump(System:" [L658] FCALL "On" [L662] FCALL "Off" [L666] FCALL ",Pump:" [L670] FCALL "On" [L674] FCALL "Off" [L678] FCALL ") " [L680] FCALL "\n" [L758] FCALL "Env(Water:%i" [L759] FCALL ",Meth:" [L763] FCALL "CRIT" [L767] FCALL "OK" [L771] FCALL ")" [L435] int cleanupTimeShifts = 4; [L553] int pumpRunning = 0; [L554] int systemActive = 1; [L706] int waterLevel = 1; [L707] int methaneLevelCritical = 0; [L238] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L516] int retValue_acc ; [L517] int tmp ; [L521] FCALL select_helpers() [L522] FCALL select_features() [L523] CALL, EXPR valid_product() [L886] int retValue_acc ; [L889] retValue_acc = 1 [L890] RET return (retValue_acc); [L523] EXPR valid_product() [L523] tmp = valid_product() [L525] COND TRUE \read(tmp) [L527] FCALL setup() [L528] CALL runTest() [L507] CALL test() [L796] int splverifierCounter ; [L797] int tmp ; [L798] int tmp___0 ; [L799] int tmp___1 ; [L800] int tmp___2 ; [L803] splverifierCounter = 0 Loop: [L805] COND TRUE 1 [L807] COND TRUE splverifierCounter < 4 [L813] tmp = __VERIFIER_nondet_int() [L815] COND FALSE !(\read(tmp)) [L823] tmp___0 = __VERIFIER_nondet_int() [L825] COND FALSE !(\read(tmp___0)) [L833] tmp___2 = __VERIFIER_nondet_int() [L835] COND TRUE \read(tmp___2) [L848] CALL timeShift() [L560] COND FALSE !(\read(pumpRunning)) [L567] COND TRUE \read(systemActive) [L569] CALL processEnvironment() [L589] int tmp ; [L592] COND FALSE !(\read(pumpRunning)) [L607] RET, FCALL processEnvironment__wrappee__base() [L569] processEnvironment() [L575] CALL __utac_acc__Specification1_spec__1() [L44] int tmp ; [L45] int tmp___0 ; [L49] CALL, EXPR isMethaneLevelCritical() [L745] int retValue_acc ; [L748] retValue_acc = methaneLevelCritical [L749] RET return (retValue_acc); [L49] EXPR isMethaneLevelCritical() [L49] tmp = isMethaneLevelCritical() [L51] COND FALSE, RET !(\read(tmp)) [L575] RET __utac_acc__Specification1_spec__1() [L848] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...