./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product03_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_39569eba-e2d9-472a-b670-348f74394dcb/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_39569eba-e2d9-472a-b670-348f74394dcb/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_39569eba-e2d9-472a-b670-348f74394dcb/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_39569eba-e2d9-472a-b670-348f74394dcb/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product03_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_39569eba-e2d9-472a-b670-348f74394dcb/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_39569eba-e2d9-472a-b670-348f74394dcb/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 76dc507b12cb3a2bccac05c4e284ee3cd573db6d ................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:30:08,501 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:30:08,502 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:30:08,509 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:30:08,509 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:30:08,510 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:30:08,510 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:30:08,512 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:30:08,513 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:30:08,513 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:30:08,514 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:30:08,514 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:30:08,515 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:30:08,515 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:30:08,516 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:30:08,516 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:30:08,517 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:30:08,518 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:30:08,519 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:30:08,520 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:30:08,521 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:30:08,521 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:30:08,523 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:30:08,523 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:30:08,523 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:30:08,524 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:30:08,525 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:30:08,525 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:30:08,526 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:30:08,526 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:30:08,526 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:30:08,527 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:30:08,527 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:30:08,527 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:30:08,528 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:30:08,529 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:30:08,529 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_39569eba-e2d9-472a-b670-348f74394dcb/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 16:30:08,537 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:30:08,537 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:30:08,537 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:30:08,538 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:30:08,538 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 16:30:08,538 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 16:30:08,538 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 16:30:08,538 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 16:30:08,538 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 16:30:08,538 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 16:30:08,538 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 16:30:08,538 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:30:08,538 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:30:08,538 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 16:30:08,538 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:30:08,539 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:30:08,539 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:30:08,539 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 16:30:08,539 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 16:30:08,539 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 16:30:08,539 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:30:08,539 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:30:08,539 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 16:30:08,539 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:30:08,540 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 16:30:08,540 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:30:08,540 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:30:08,540 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 16:30:08,540 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:30:08,540 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 16:30:08,540 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 16:30:08,541 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 16:30:08,541 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_39569eba-e2d9-472a-b670-348f74394dcb/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 -> 76dc507b12cb3a2bccac05c4e284ee3cd573db6d [2018-11-18 16:30:08,562 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:30:08,570 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:30:08,572 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:30:08,573 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:30:08,573 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:30:08,573 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_39569eba-e2d9-472a-b670-348f74394dcb/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product03_true-unreach-call_false-termination.cil.c [2018-11-18 16:30:08,611 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_39569eba-e2d9-472a-b670-348f74394dcb/bin-2019/uautomizer/data/40da57994/bf64d10ecefe4113ac0d1e92d57ee6e1/FLAG6074449bd [2018-11-18 16:30:08,976 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:30:08,977 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_39569eba-e2d9-472a-b670-348f74394dcb/sv-benchmarks/c/product-lines/minepump_spec1_product03_true-unreach-call_false-termination.cil.c [2018-11-18 16:30:08,985 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_39569eba-e2d9-472a-b670-348f74394dcb/bin-2019/uautomizer/data/40da57994/bf64d10ecefe4113ac0d1e92d57ee6e1/FLAG6074449bd [2018-11-18 16:30:09,370 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_39569eba-e2d9-472a-b670-348f74394dcb/bin-2019/uautomizer/data/40da57994/bf64d10ecefe4113ac0d1e92d57ee6e1 [2018-11-18 16:30:09,372 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:30:09,373 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:30:09,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:30:09,374 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:30:09,376 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:30:09,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:30:09" (1/1) ... [2018-11-18 16:30:09,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72de6083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:30:09, skipping insertion in model container [2018-11-18 16:30:09,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:30:09" (1/1) ... [2018-11-18 16:30:09,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:30:09,416 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:30:09,595 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:30:09,604 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:30:09,706 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:30:09,725 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:30:09,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:30:09 WrapperNode [2018-11-18 16:30:09,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:30:09,726 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:30:09,726 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:30:09,726 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:30:09,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:30:09" (1/1) ... [2018-11-18 16:30:09,744 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:30:09" (1/1) ... [2018-11-18 16:30:09,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:30:09,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:30:09,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:30:09,768 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:30:09,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:30:09" (1/1) ... [2018-11-18 16:30:09,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:30:09" (1/1) ... [2018-11-18 16:30:09,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:30:09" (1/1) ... [2018-11-18 16:30:09,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:30:09" (1/1) ... [2018-11-18 16:30:09,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:30:09" (1/1) ... [2018-11-18 16:30:09,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:30:09" (1/1) ... [2018-11-18 16:30:09,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:30:09" (1/1) ... [2018-11-18 16:30:09,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:30:09,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:30:09,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:30:09,788 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:30:09,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:30:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39569eba-e2d9-472a-b670-348f74394dcb/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 16:30:09,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:30:09,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:30:09,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:30:10,272 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:30:10,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:30:10 BoogieIcfgContainer [2018-11-18 16:30:10,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:30:10,273 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 16:30:10,273 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 16:30:10,275 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 16:30:10,275 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:30:10,276 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 04:30:09" (1/3) ... [2018-11-18 16:30:10,276 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e2613af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:30:10, skipping insertion in model container [2018-11-18 16:30:10,277 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:30:10,277 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:30:09" (2/3) ... [2018-11-18 16:30:10,277 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e2613af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:30:10, skipping insertion in model container [2018-11-18 16:30:10,277 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:30:10,277 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:30:10" (3/3) ... [2018-11-18 16:30:10,279 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product03_true-unreach-call_false-termination.cil.c [2018-11-18 16:30:10,314 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 16:30:10,314 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 16:30:10,314 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 16:30:10,315 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 16:30:10,315 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:30:10,315 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:30:10,315 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 16:30:10,315 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:30:10,315 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 16:30:10,328 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 81 states. [2018-11-18 16:30:10,346 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 52 [2018-11-18 16:30:10,346 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:30:10,346 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:30:10,351 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:30:10,351 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 16:30:10,351 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 16:30:10,351 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 81 states. [2018-11-18 16:30:10,355 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 52 [2018-11-18 16:30:10,355 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:30:10,355 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:30:10,356 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:30:10,356 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 16:30:10,360 INFO L794 eck$LassoCheckResult]: Stem: 32#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~string23.base, #t~string23.offset := #Ultimate.alloc(13);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 44];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 77];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 101];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 116];#memory_int := #memory_int[#t~string25.base,4 + #t~string25.offset := 104];#memory_int := #memory_int[#t~string25.base,5 + #t~string25.offset := 58];#memory_int := #memory_int[#t~string25.base,6 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 67];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 82];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 73];#memory_int := #memory_int[#t~string27.base,3 + #t~string27.offset := 84];#memory_int := #memory_int[#t~string27.base,4 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 79];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 75];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 41];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(21);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(30);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 12#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~6, main_~tmp~1;havoc main_~retValue_acc~6;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 46#L137true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 79#L130true 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; 65#L145true main_#t~ret32 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret32;havoc main_#t~ret32; 38#L443true assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 3#L420true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 11#L55-3true [2018-11-18 16:30:10,360 INFO L796 eck$LassoCheckResult]: Loop: 11#L55-3true assume true; 35#L55-1true assume !false; 55#L56true assume test_~splverifierCounter~0 < 4; 82#L57true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 17#L65true assume !(0 != test_~tmp~0); 13#L65-2true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 77#L75true assume !(0 != test_~tmp___0~0); 47#L75-2true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 51#L85true assume 0 != test_~tmp___2~0; 20#L91-2true assume { :begin_inline_timeShift } true; 22#L165true assume !(0 != ~pumpRunning~0); 39#L165-2true assume !(0 != ~systemActive~0); 34#L172-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~2, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~2;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 58#L324true __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~2 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; 83#L474true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2); 59#L474-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 16#L182true assume { :end_inline_timeShift } true; 11#L55-3true [2018-11-18 16:30:10,365 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:30:10,366 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 16:30:10,367 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:30:10,368 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:30:10,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:10,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:30:10,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:30:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:30:10,531 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:30:10,532 INFO L82 PathProgramCache]: Analyzing trace with hash 169425203, now seen corresponding path program 1 times [2018-11-18 16:30:10,532 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:30:10,532 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:30:10,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:10,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:30:10,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:30:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:30:10,545 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:30:10,545 INFO L82 PathProgramCache]: Analyzing trace with hash -762256401, now seen corresponding path program 1 times [2018-11-18 16:30:10,545 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:30:10,546 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:30:10,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:10,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:30:10,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:30:10,668 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 16:30:10,669 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:30:10,670 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:30:10,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:30:10,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:30:10,758 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 6 states. [2018-11-18 16:30:10,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:30:10,932 INFO L93 Difference]: Finished difference Result 215 states and 269 transitions. [2018-11-18 16:30:10,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:30:10,934 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 215 states and 269 transitions. [2018-11-18 16:30:10,939 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 137 [2018-11-18 16:30:10,944 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 215 states to 185 states and 239 transitions. [2018-11-18 16:30:10,945 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 185 [2018-11-18 16:30:10,946 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 185 [2018-11-18 16:30:10,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 185 states and 239 transitions. [2018-11-18 16:30:10,948 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:30:10,948 INFO L705 BuchiCegarLoop]: Abstraction has 185 states and 239 transitions. [2018-11-18 16:30:10,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states and 239 transitions. [2018-11-18 16:30:10,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 122. [2018-11-18 16:30:10,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-11-18 16:30:10,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 158 transitions. [2018-11-18 16:30:10,984 INFO L728 BuchiCegarLoop]: Abstraction has 122 states and 158 transitions. [2018-11-18 16:30:10,984 INFO L608 BuchiCegarLoop]: Abstraction has 122 states and 158 transitions. [2018-11-18 16:30:10,984 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 16:30:10,984 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 122 states and 158 transitions. [2018-11-18 16:30:10,986 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 90 [2018-11-18 16:30:10,986 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:30:10,987 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:30:10,987 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:30:10,987 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 16:30:10,988 INFO L794 eck$LassoCheckResult]: Stem: 351#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~string23.base, #t~string23.offset := #Ultimate.alloc(13);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 44];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 77];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 101];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 116];#memory_int := #memory_int[#t~string25.base,4 + #t~string25.offset := 104];#memory_int := #memory_int[#t~string25.base,5 + #t~string25.offset := 58];#memory_int := #memory_int[#t~string25.base,6 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 67];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 82];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 73];#memory_int := #memory_int[#t~string27.base,3 + #t~string27.offset := 84];#memory_int := #memory_int[#t~string27.base,4 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 79];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 75];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 41];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(21);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(30);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 329#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~6, main_~tmp~1;havoc main_~retValue_acc~6;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 330#L137 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 364#L130 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; 380#L145 main_#t~ret32 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret32;havoc main_#t~ret32; 360#L443 assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 314#L420 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 315#L55-3 [2018-11-18 16:30:10,988 INFO L796 eck$LassoCheckResult]: Loop: 315#L55-3 assume true; 328#L55-1 assume !false; 356#L56 assume test_~splverifierCounter~0 < 4; 373#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 338#L65 assume !(0 != test_~tmp~0); 331#L65-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 332#L75 assume !(0 != test_~tmp___0~0); 349#L75-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 365#L85 assume 0 != test_~tmp___2~0; 319#L91-2 assume { :begin_inline_timeShift } true; 339#L165 assume !(0 != ~pumpRunning~0); 340#L165-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 361#L189 assume { :end_inline_processEnvironment } true; 354#L172-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~2, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~2;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 355#L324 __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~2 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; 374#L474 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2); 375#L474-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 337#L182 assume { :end_inline_timeShift } true; 315#L55-3 [2018-11-18 16:30:10,988 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:30:10,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 16:30:10,988 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:30:10,989 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:30:10,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:10,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:30:10,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:30:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:30:11,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:30:11,040 INFO L82 PathProgramCache]: Analyzing trace with hash 1585293662, now seen corresponding path program 1 times [2018-11-18 16:30:11,040 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:30:11,040 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:30:11,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:11,041 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:30:11,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:30:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:30:11,049 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:30:11,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1527032286, now seen corresponding path program 1 times [2018-11-18 16:30:11,049 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:30:11,050 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:30:11,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:11,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:30:11,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:30:11,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:30:11,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:31:03,996 WARN L180 SmtUtils]: Spent 52.83 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 16:31:32,299 WARN L180 SmtUtils]: Spent 28.30 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 16:31:32,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 04:31:32 BoogieIcfgContainer [2018-11-18 16:31:32,367 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 16:31:32,367 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:31:32,367 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:31:32,367 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:31:32,368 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:30:10" (3/4) ... [2018-11-18 16:31:32,371 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 16:31:32,408 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_39569eba-e2d9-472a-b670-348f74394dcb/bin-2019/uautomizer/witness.graphml [2018-11-18 16:31:32,408 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:31:32,409 INFO L168 Benchmark]: Toolchain (without parser) took 83036.48 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 222.3 MB). Free memory was 956.6 MB in the beginning and 859.8 MB in the end (delta: 96.7 MB). Peak memory consumption was 319.0 MB. Max. memory is 11.5 GB. [2018-11-18 16:31:32,410 INFO L168 Benchmark]: CDTParser took 0.13 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 16:31:32,410 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -196.6 MB). Peak memory consumption was 35.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:31:32,410 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:31:32,410 INFO L168 Benchmark]: Boogie Preprocessor took 19.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:31:32,411 INFO L168 Benchmark]: RCFGBuilder took 484.78 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: 54.3 MB). Peak memory consumption was 54.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:31:32,411 INFO L168 Benchmark]: BuchiAutomizer took 82094.15 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 59.8 MB). Free memory was 1.1 GB in the beginning and 859.8 MB in the end (delta: 235.8 MB). Peak memory consumption was 295.5 MB. Max. memory is 11.5 GB. [2018-11-18 16:31:32,411 INFO L168 Benchmark]: Witness Printer took 41.18 ms. Allocated memory is still 1.3 GB. Free memory is still 859.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:31:32,414 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 352.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -196.6 MB). Peak memory consumption was 35.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 484.78 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: 54.3 MB). Peak memory consumption was 54.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 82094.15 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 59.8 MB). Free memory was 1.1 GB in the beginning and 859.8 MB in the end (delta: 235.8 MB). Peak memory consumption was 295.5 MB. Max. memory is 11.5 GB. * Witness Printer took 41.18 ms. Allocated memory is still 1.3 GB. Free memory is still 859.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 122 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 82.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 81.7s. Construction of modules took 0.1s. 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, 63 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 122 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 93 SDtfs, 341 SDslu, 577 SDs, 0 SdLazy, 42 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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: 55]: 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"=26, NULL=0, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=12, "libacc.c"=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4dac7a22=0, "Pump(System:"=31, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1bc57dc1=170, "libacc.c"=34, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@756c3daa=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@35b35df4=0, "Off"=28, "__utac__get_this_argtype"=35, "i > 0 && i <= this->argsCount"=8, methaneLevelCritical=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "__utac__get_this_argtype"=0, tmp___1=0, "OK"=17, "Env(Water:%i"=20, tmp___0=0, cleanupTimeShifts=4, tmp=0, ",Meth:"=19, ")"=16, "i > 0 && i <= this->argsCount"=15, "Off"=24, ",Meth:"=0, "Env(Water:%i"=0, "\n"=0, "CRIT"=0, "OK"=0, NULL=0, systemActive=1, waterLevel=1, "__utac__get_this_arg"=37, retValue_acc=0, "libacc.c"=0, tmp___0=0, "__utac__get_this_arg"=0, "__utac__get_this_arg"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, \result=1, head=0, pumpRunning=0, "libacc.c"=11, \result=0, "\n"=22, ") "=0, "libacc.c"=38, tmp=1, "On"=0, tmp=0, "Off"=0, "__utac__get_this_argtype"=39, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5b1f6c88=0, tmp___2=170, splverifierCounter=0, "On"=0, "Pump(System:"=0, \result=0, "On"=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d6c6070=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@527ab4c1=0, head=0, ") "=23, "CRIT"=18, ")"=0, ",Pump:"=0, "Off"=0, "i > 0 && i <= this->argsCount"=36, ",Pump:"=27, "libacc.c"=14, "i > 0 && i <= this->argsCount"=33} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 55]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L233] FCALL "Pump(System:" [L237] FCALL "On" [L241] FCALL "Off" [L245] FCALL ",Pump:" [L249] FCALL "On" [L253] FCALL "Off" [L257] FCALL ") " [L259] FCALL "\n" [L333] FCALL "Env(Water:%i" [L334] FCALL ",Meth:" [L338] FCALL "CRIT" [L342] FCALL "OK" [L346] FCALL ")" [L789] FCALL "i > 0 && i <= this->argsCount" [L789] FCALL "libacc.c" [L790] FCALL "__utac__get_this_arg" [L796] FCALL "i > 0 && i <= this->argsCount" [L796] FCALL "libacc.c" [L797] FCALL "__utac__get_this_arg" [L835] FCALL "i > 0 && i <= this->argsCount" [L835] FCALL "libacc.c" [L836] FCALL "__utac__get_this_argtype" [L842] FCALL "i > 0 && i <= this->argsCount" [L842] FCALL "libacc.c" [L843] FCALL "__utac__get_this_argtype" [L157] int pumpRunning = 0; [L158] int systemActive = 1; [L281] int waterLevel = 1; [L282] int methaneLevelCritical = 0; [L361] int cleanupTimeShifts = 4; [L661] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L434] int retValue_acc ; [L435] int tmp ; [L439] FCALL select_helpers() [L440] FCALL select_features() [L441] CALL, EXPR valid_product() [L141] int retValue_acc ; [L144] retValue_acc = 1 [L145] RET return (retValue_acc); [L441] EXPR valid_product() [L441] tmp = valid_product() [L443] COND TRUE \read(tmp) [L445] FCALL setup() [L446] CALL runTest() [L428] CALL test() [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] splverifierCounter = 0 Loop: [L55] COND TRUE 1 [L57] COND TRUE splverifierCounter < 4 [L63] tmp = __VERIFIER_nondet_int() [L65] COND FALSE !(\read(tmp)) [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) [L100] CALL timeShift() [L165] COND FALSE !(\read(pumpRunning)) [L172] COND TRUE \read(systemActive) [L174] FCALL processEnvironment() [L180] CALL __utac_acc__Specification1_spec__1() [L467] int tmp ; [L468] int tmp___0 ; [L472] CALL, EXPR isMethaneLevelCritical() [L320] int retValue_acc ; [L323] retValue_acc = methaneLevelCritical [L324] RET return (retValue_acc); [L472] EXPR isMethaneLevelCritical() [L472] tmp = isMethaneLevelCritical() [L474] COND FALSE, RET !(\read(tmp)) [L180] RET __utac_acc__Specification1_spec__1() [L100] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...