./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product16_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_4c79a582-cdb1-4521-bf48-136e164e3bd2/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4c79a582-cdb1-4521-bf48-136e164e3bd2/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4c79a582-cdb1-4521-bf48-136e164e3bd2/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4c79a582-cdb1-4521-bf48-136e164e3bd2/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product16_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4c79a582-cdb1-4521-bf48-136e164e3bd2/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4c79a582-cdb1-4521-bf48-136e164e3bd2/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 97e1e79d9f040fa1d57b96c793652004756593a5 ......................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:52:39,593 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:52:39,594 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:52:39,600 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:52:39,600 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:52:39,601 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:52:39,602 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:52:39,603 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:52:39,604 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:52:39,605 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:52:39,606 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:52:39,606 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:52:39,607 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:52:39,607 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:52:39,608 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:52:39,609 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:52:39,610 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:52:39,611 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:52:39,612 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:52:39,613 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:52:39,614 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:52:39,615 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:52:39,617 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:52:39,617 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:52:39,618 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:52:39,618 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:52:39,619 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:52:39,619 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:52:39,620 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:52:39,621 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:52:39,621 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:52:39,622 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:52:39,622 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:52:39,622 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:52:39,623 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:52:39,623 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:52:39,624 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4c79a582-cdb1-4521-bf48-136e164e3bd2/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 12:52:39,634 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:52:39,635 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:52:39,635 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:52:39,636 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:52:39,636 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 12:52:39,636 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 12:52:39,636 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 12:52:39,636 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 12:52:39,636 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 12:52:39,636 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 12:52:39,637 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 12:52:39,637 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:52:39,637 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:52:39,637 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 12:52:39,638 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:52:39,638 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:52:39,638 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:52:39,638 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 12:52:39,638 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 12:52:39,638 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 12:52:39,638 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:52:39,638 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:52:39,639 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 12:52:39,639 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:52:39,639 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 12:52:39,639 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:52:39,639 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:52:39,639 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 12:52:39,639 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:52:39,639 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 12:52:39,639 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 12:52:39,640 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 12:52:39,640 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_4c79a582-cdb1-4521-bf48-136e164e3bd2/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 -> 97e1e79d9f040fa1d57b96c793652004756593a5 [2018-11-18 12:52:39,662 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:52:39,671 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:52:39,673 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:52:39,673 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:52:39,674 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:52:39,674 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4c79a582-cdb1-4521-bf48-136e164e3bd2/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product16_true-unreach-call_false-termination.cil.c [2018-11-18 12:52:39,711 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4c79a582-cdb1-4521-bf48-136e164e3bd2/bin-2019/uautomizer/data/7062df498/7a8e2594a89740ee821eb0636afec6a1/FLAGd609658c2 [2018-11-18 12:52:40,133 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:52:40,134 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4c79a582-cdb1-4521-bf48-136e164e3bd2/sv-benchmarks/c/product-lines/minepump_spec1_product16_true-unreach-call_false-termination.cil.c [2018-11-18 12:52:40,141 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4c79a582-cdb1-4521-bf48-136e164e3bd2/bin-2019/uautomizer/data/7062df498/7a8e2594a89740ee821eb0636afec6a1/FLAGd609658c2 [2018-11-18 12:52:40,149 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4c79a582-cdb1-4521-bf48-136e164e3bd2/bin-2019/uautomizer/data/7062df498/7a8e2594a89740ee821eb0636afec6a1 [2018-11-18 12:52:40,151 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:52:40,152 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:52:40,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:52:40,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:52:40,154 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:52:40,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:52:40" (1/1) ... [2018-11-18 12:52:40,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:40, skipping insertion in model container [2018-11-18 12:52:40,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:52:40" (1/1) ... [2018-11-18 12:52:40,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:52:40,191 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:52:40,375 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:52:40,384 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:52:40,499 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:52:40,522 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:52:40,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:40 WrapperNode [2018-11-18 12:52:40,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:52:40,523 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:52:40,523 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:52:40,523 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:52:40,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:40" (1/1) ... [2018-11-18 12:52:40,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:40" (1/1) ... [2018-11-18 12:52:40,565 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:52:40,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:52:40,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:52:40,565 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:52:40,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:40" (1/1) ... [2018-11-18 12:52:40,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:40" (1/1) ... [2018-11-18 12:52:40,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:40" (1/1) ... [2018-11-18 12:52:40,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:40" (1/1) ... [2018-11-18 12:52:40,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:40" (1/1) ... [2018-11-18 12:52:40,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:40" (1/1) ... [2018-11-18 12:52:40,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:40" (1/1) ... [2018-11-18 12:52:40,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:52:40,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:52:40,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:52:40,587 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:52:40,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c79a582-cdb1-4521-bf48-136e164e3bd2/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 12:52:40,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:52:40,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:52:40,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:52:41,199 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:52:41,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:52:41 BoogieIcfgContainer [2018-11-18 12:52:41,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:52:41,200 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 12:52:41,200 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 12:52:41,203 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 12:52:41,203 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:52:41,204 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 12:52:40" (1/3) ... [2018-11-18 12:52:41,205 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@18ab515 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 12:52:41, skipping insertion in model container [2018-11-18 12:52:41,205 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:52:41,205 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:40" (2/3) ... [2018-11-18 12:52:41,205 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@18ab515 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 12:52:41, skipping insertion in model container [2018-11-18 12:52:41,205 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:52:41,205 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:52:41" (3/3) ... [2018-11-18 12:52:41,206 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product16_true-unreach-call_false-termination.cil.c [2018-11-18 12:52:41,241 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:52:41,241 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 12:52:41,242 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 12:52:41,242 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 12:52:41,242 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:52:41,242 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:52:41,242 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 12:52:41,242 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:52:41,242 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 12:52:41,255 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 103 states. [2018-11-18 12:52:41,275 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2018-11-18 12:52:41,275 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:52:41,275 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:52:41,280 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:52:41,280 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 12:52:41,280 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 12:52:41,281 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 103 states. [2018-11-18 12:52:41,284 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2018-11-18 12:52:41,285 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:52:41,285 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:52:41,285 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:52:41,286 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 12:52:41,289 INFO L794 eck$LassoCheckResult]: Stem: 84#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];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(21);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(30);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(9);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(21);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(25);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(13);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 110];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 79];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 44];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 80];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 117];#memory_int := #memory_int[#t~string59.base,3 + #t~string59.offset := 109];#memory_int := #memory_int[#t~string59.base,4 + #t~string59.offset := 112];#memory_int := #memory_int[#t~string59.base,5 + #t~string59.offset := 58];#memory_int := #memory_int[#t~string59.base,6 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 110];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 79];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 41];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 32];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 10];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 15#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~4, main_~tmp~1;havoc main_~retValue_acc~4;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 54#L179true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 30#L172true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 67#L187true main_#t~ret13 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 18#L277true assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 73#L253true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 85#L853-3true [2018-11-18 12:52:41,290 INFO L796 eck$LassoCheckResult]: Loop: 85#L853-3true assume true; 83#L853-1true assume !false; 43#L854true assume test_~splverifierCounter~0 < 4; 10#L855true test_~tmp~7 := test_#t~nondet68;havoc test_#t~nondet68; 28#L863true assume !(0 != test_~tmp~7); 19#L863-2true test_~tmp___0~1 := test_#t~nondet69;havoc test_#t~nondet69; 46#L873true assume !(0 != test_~tmp___0~1); 48#L873-2true test_~tmp___2~0 := test_#t~nondet70;havoc test_#t~nondet70; 91#L883true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet71;havoc test_#t~nondet71; 104#L891true assume !(0 != test_~tmp___1~0); 94#L891-2true assume { :begin_inline_timeShift } true; 87#L677true assume !(0 != ~pumpRunning~0); 66#L677-2true assume !(0 != ~systemActive~0); 26#L684-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10, __utac_acc__Specification1_spec__1_#t~ret11, __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~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 38#L89-1true __utac_acc__Specification1_spec__1_#t~ret10 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret10;havoc __utac_acc__Specification1_spec__1_#t~ret10; 27#L136true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 25#L136-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 53#L694true assume { :end_inline_timeShift } true; 85#L853-3true [2018-11-18 12:52:41,294 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:52:41,295 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 12:52:41,296 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:52:41,297 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:52:41,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:41,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:52:41,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:41,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:52:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:52:41,453 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:52:41,453 INFO L82 PathProgramCache]: Analyzing trace with hash 2095416321, now seen corresponding path program 1 times [2018-11-18 12:52:41,453 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:52:41,453 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:52:41,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:41,454 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:52:41,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:41,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:52:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:52:41,467 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:52:41,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1016909627, now seen corresponding path program 1 times [2018-11-18 12:52:41,467 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:52:41,467 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:52:41,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:41,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:52:41,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:41,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:52:41,621 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 12:52:41,623 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:52:41,623 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 12:52:41,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:52:41,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:52:41,686 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 6 states. [2018-11-18 12:52:41,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:52:41,910 INFO L93 Difference]: Finished difference Result 350 states and 439 transitions. [2018-11-18 12:52:41,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:52:41,912 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 350 states and 439 transitions. [2018-11-18 12:52:41,917 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 228 [2018-11-18 12:52:41,925 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 350 states to 310 states and 399 transitions. [2018-11-18 12:52:41,926 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 310 [2018-11-18 12:52:41,927 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 310 [2018-11-18 12:52:41,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 310 states and 399 transitions. [2018-11-18 12:52:41,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 12:52:41,930 INFO L705 BuchiCegarLoop]: Abstraction has 310 states and 399 transitions. [2018-11-18 12:52:41,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states and 399 transitions. [2018-11-18 12:52:41,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 144. [2018-11-18 12:52:41,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-11-18 12:52:41,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 186 transitions. [2018-11-18 12:52:41,957 INFO L728 BuchiCegarLoop]: Abstraction has 144 states and 186 transitions. [2018-11-18 12:52:41,957 INFO L608 BuchiCegarLoop]: Abstraction has 144 states and 186 transitions. [2018-11-18 12:52:41,957 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 12:52:41,957 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 144 states and 186 transitions. [2018-11-18 12:52:41,959 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 105 [2018-11-18 12:52:41,959 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:52:41,959 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:52:41,960 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:52:41,960 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:52:41,960 INFO L794 eck$LassoCheckResult]: Stem: 549#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];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(21);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(30);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(9);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(21);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(25);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(13);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 110];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 79];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 44];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 80];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 117];#memory_int := #memory_int[#t~string59.base,3 + #t~string59.offset := 109];#memory_int := #memory_int[#t~string59.base,4 + #t~string59.offset := 112];#memory_int := #memory_int[#t~string59.base,5 + #t~string59.offset := 58];#memory_int := #memory_int[#t~string59.base,6 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 110];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 79];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 41];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 32];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 10];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 501#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~4, main_~tmp~1;havoc main_~retValue_acc~4;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 495#L179 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 496#L172 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 529#L187 main_#t~ret13 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 509#L277 assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 510#L253 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 494#L853-3 [2018-11-18 12:52:41,960 INFO L796 eck$LassoCheckResult]: Loop: 494#L853-3 assume true; 547#L853-1 assume !false; 548#L854 assume test_~splverifierCounter~0 < 4; 486#L855 test_~tmp~7 := test_#t~nondet68;havoc test_#t~nondet68; 487#L863 assume !(0 != test_~tmp~7); 513#L863-2 test_~tmp___0~1 := test_#t~nondet69;havoc test_#t~nondet69; 514#L873 assume !(0 != test_~tmp___0~1); 503#L873-2 test_~tmp___2~0 := test_#t~nondet70;havoc test_#t~nondet70; 556#L883 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 557#L839 assume { :end_inline_startSystem } true; 559#L891-2 assume { :begin_inline_timeShift } true; 552#L677 assume !(0 != ~pumpRunning~0); 528#L677-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 522#L709 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 524#L701-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 471#L709-1 assume { :end_inline_processEnvironment } true; 472#L684-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10, __utac_acc__Specification1_spec__1_#t~ret11, __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~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 537#L89-1 __utac_acc__Specification1_spec__1_#t~ret10 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret10;havoc __utac_acc__Specification1_spec__1_#t~ret10; 538#L136 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 535#L136-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 493#L694 assume { :end_inline_timeShift } true; 494#L853-3 [2018-11-18 12:52:41,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:52:41,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 12:52:41,961 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:52:41,961 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:52:41,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:41,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:52:41,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:52:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:52:41,999 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:52:41,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1509921058, now seen corresponding path program 1 times [2018-11-18 12:52:41,999 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:52:42,000 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:52:42,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:42,000 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:52:42,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:52:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:52:42,008 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:52:42,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1961590238, now seen corresponding path program 1 times [2018-11-18 12:52:42,008 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:52:42,009 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:52:42,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:42,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:52:42,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:42,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:52:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:53:22,413 WARN L180 SmtUtils]: Spent 40.28 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 12:53:44,989 WARN L180 SmtUtils]: Spent 22.58 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 12:53:45,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 12:53:45 BoogieIcfgContainer [2018-11-18 12:53:45,048 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 12:53:45,049 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:53:45,049 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:53:45,049 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:53:45,050 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:52:41" (3/4) ... [2018-11-18 12:53:45,053 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 12:53:45,089 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4c79a582-cdb1-4521-bf48-136e164e3bd2/bin-2019/uautomizer/witness.graphml [2018-11-18 12:53:45,090 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:53:45,090 INFO L168 Benchmark]: Toolchain (without parser) took 64939.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 956.4 MB in the beginning and 961.3 MB in the end (delta: -4.9 MB). Peak memory consumption was 107.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:53:45,091 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:53:45,091 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 65.0 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -99.9 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:53:45,092 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.06 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 12:53:45,092 INFO L168 Benchmark]: Boogie Preprocessor took 21.30 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 12:53:45,092 INFO L168 Benchmark]: RCFGBuilder took 613.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 989.7 MB in the end (delta: 61.2 MB). Peak memory consumption was 61.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:53:45,093 INFO L168 Benchmark]: BuchiAutomizer took 63847.86 ms. Allocated memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.7 MB). Free memory was 987.0 MB in the beginning and 966.3 MB in the end (delta: 20.7 MB). Peak memory consumption was 196.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:53:45,093 INFO L168 Benchmark]: Witness Printer took 40.72 ms. Allocated memory is still 1.1 GB. Free memory was 966.3 MB in the beginning and 961.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:53:45,094 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 370.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 65.0 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -99.9 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.06 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 21.30 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 613.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 989.7 MB in the end (delta: 61.2 MB). Peak memory consumption was 61.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 63847.86 ms. Allocated memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.7 MB). Free memory was 987.0 MB in the beginning and 966.3 MB in the end (delta: 20.7 MB). Peak memory consumption was 196.6 MB. Max. memory is 11.5 GB. * Witness Printer took 40.72 ms. Allocated memory is still 1.1 GB. Free memory was 966.3 MB in the beginning and 961.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 144 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 63.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 63.4s. 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, 166 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 144 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 121 SDtfs, 560 SDslu, 859 SDs, 0 SdLazy, 52 SolverSat, 13 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: 853]: 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, retValue_acc=0, "On"=37, "Env(Water:%i"=31, "Off"=0, "__utac__get_this_argtype"=0, "__utac__get_this_argtype"=11, retValue_acc=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "OK"=27, "On"=0, "Off"=36, "libacc.c"=0, "__utac__get_this_argtype"=0, methaneLevelCritical=0, "__utac__get_this_arg"=18, ") "=0, "i > 0 && i <= this->argsCount"=17, "libacc.c"=23, tmp=0, "\n"=0, tmp___1=0, tmp___0=0, "libacc.c"=19, cleanupTimeShifts=4, "__utac__get_this_arg"=22, "libacc.c"=16, "libacc.c"=8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c0ea20f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2acec6b0=0, "Pump(System:"=12, NULL=0, systemActive=1, waterLevel=1, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51a9a7e9=0, "i > 0 && i <= this->argsCount"=14, "On"=0, "Off"=0, "Pump(System:"=0, \result=1, head=0, pumpRunning=0, "Off"=33, \result=0, "libacc.c"=0, tmp=1, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5bb16389=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@293746b5=0, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=20, tmp=0, retValue_acc=1, "\n"=38, "On"=35, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a025a83=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f7ce2d8=182, "CRIT"=28, tmp___2=182, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b0760e8=0, splverifierCounter=0, "Env(Water:%i"=0, ",Meth:"=0, ",Pump:"=0, ")"=0, "OK"=0, "CRIT"=0, \result=0, ")"=26, ",Pump:"=34, head=0, tmp=0, "i > 0 && i <= this->argsCount"=24, "__utac__get_this_arg"=0, ",Meth:"=29, "__utac__get_this_argtype"=15, ") "=39} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 853]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L98] FCALL "Env(Water:%i" [L99] FCALL ",Meth:" [L103] FCALL "CRIT" [L107] FCALL "OK" [L111] FCALL ")" [L597] FCALL "i > 0 && i <= this->argsCount" [L597] FCALL "libacc.c" [L598] FCALL "__utac__get_this_arg" [L604] FCALL "i > 0 && i <= this->argsCount" [L604] FCALL "libacc.c" [L605] FCALL "__utac__get_this_arg" [L643] FCALL "i > 0 && i <= this->argsCount" [L643] FCALL "libacc.c" [L644] FCALL "__utac__get_this_argtype" [L650] FCALL "i > 0 && i <= this->argsCount" [L650] FCALL "libacc.c" [L651] FCALL "__utac__get_this_argtype" [L788] FCALL "Pump(System:" [L792] FCALL "On" [L796] FCALL "Off" [L800] FCALL ",Pump:" [L804] FCALL "On" [L808] FCALL "Off" [L812] FCALL ") " [L814] FCALL "\n" [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L192] int cleanupTimeShifts = 4; [L670] int pumpRunning = 0; [L671] int systemActive = 1; [L469] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L268] int retValue_acc ; [L269] int tmp ; [L273] FCALL select_helpers() [L274] FCALL select_features() [L275] CALL, EXPR valid_product() [L183] int retValue_acc ; [L186] retValue_acc = 1 [L187] RET return (retValue_acc); [L275] EXPR valid_product() [L275] tmp = valid_product() [L277] COND TRUE \read(tmp) [L279] FCALL setup() [L280] CALL runTest() [L262] CALL test() [L844] int splverifierCounter ; [L845] int tmp ; [L846] int tmp___0 ; [L847] int tmp___1 ; [L848] int tmp___2 ; [L851] splverifierCounter = 0 Loop: [L853] COND TRUE 1 [L855] COND TRUE splverifierCounter < 4 [L861] tmp = __VERIFIER_nondet_int() [L863] COND FALSE !(\read(tmp)) [L871] tmp___0 = __VERIFIER_nondet_int() [L873] COND FALSE !(\read(tmp___0)) [L881] tmp___2 = __VERIFIER_nondet_int() [L883] COND TRUE \read(tmp___2) [L885] CALL startSystem() [L838] RET systemActive = 1 [L885] startSystem() [L900] CALL timeShift() [L677] COND FALSE !(\read(pumpRunning)) [L684] COND TRUE \read(systemActive) [L686] CALL processEnvironment() [L706] int tmp ; [L709] COND FALSE !(\read(pumpRunning)) [L724] RET, FCALL processEnvironment__wrappee__methaneQuery() [L686] processEnvironment() [L692] CALL __utac_acc__Specification1_spec__1() [L129] int tmp ; [L130] int tmp___0 ; [L134] CALL, EXPR isMethaneLevelCritical() [L85] int retValue_acc ; [L88] retValue_acc = methaneLevelCritical [L89] RET return (retValue_acc); [L134] EXPR isMethaneLevelCritical() [L134] tmp = isMethaneLevelCritical() [L136] COND FALSE, RET !(\read(tmp)) [L692] RET __utac_acc__Specification1_spec__1() [L900] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...