./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product03_false-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_2ed97657-a944-4c2a-a976-7de658169742/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2ed97657-a944-4c2a-a976-7de658169742/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2ed97657-a944-4c2a-a976-7de658169742/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2ed97657-a944-4c2a-a976-7de658169742/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product03_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2ed97657-a944-4c2a-a976-7de658169742/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2ed97657-a944-4c2a-a976-7de658169742/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 1d1eb208d6efd7de1545c84c5a943059f225aacb ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:41:09,178 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:41:09,179 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:41:09,187 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:41:09,188 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:41:09,188 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:41:09,189 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:41:09,190 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:41:09,191 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:41:09,192 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:41:09,192 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:41:09,193 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:41:09,193 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:41:09,194 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:41:09,195 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:41:09,195 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:41:09,196 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:41:09,198 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:41:09,199 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:41:09,200 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:41:09,201 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:41:09,202 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:41:09,203 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:41:09,204 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:41:09,204 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:41:09,205 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:41:09,205 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:41:09,206 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:41:09,207 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:41:09,207 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:41:09,208 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:41:09,208 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:41:09,208 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:41:09,208 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:41:09,209 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:41:09,209 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:41:09,210 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2ed97657-a944-4c2a-a976-7de658169742/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 13:41:09,220 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:41:09,220 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:41:09,221 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:41:09,221 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:41:09,222 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:41:09,222 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 13:41:09,222 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 13:41:09,222 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 13:41:09,222 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 13:41:09,222 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 13:41:09,223 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 13:41:09,223 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:41:09,223 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:41:09,223 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 13:41:09,223 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:41:09,223 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:41:09,223 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:41:09,224 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 13:41:09,224 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 13:41:09,224 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 13:41:09,224 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:41:09,224 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:41:09,224 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 13:41:09,224 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:41:09,224 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 13:41:09,225 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:41:09,227 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:41:09,227 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 13:41:09,227 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:41:09,227 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 13:41:09,227 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 13:41:09,228 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 13:41:09,228 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_2ed97657-a944-4c2a-a976-7de658169742/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 -> 1d1eb208d6efd7de1545c84c5a943059f225aacb [2018-11-18 13:41:09,250 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:41:09,260 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:41:09,262 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:41:09,264 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:41:09,264 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:41:09,264 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2ed97657-a944-4c2a-a976-7de658169742/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product03_false-unreach-call_false-termination.cil.c [2018-11-18 13:41:09,309 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2ed97657-a944-4c2a-a976-7de658169742/bin-2019/uautomizer/data/0c447a9b0/f9f79dc9ce9d48d6a55a0678be9f73cf/FLAGb61ef3beb [2018-11-18 13:41:09,666 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:41:09,666 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2ed97657-a944-4c2a-a976-7de658169742/sv-benchmarks/c/product-lines/minepump_spec3_product03_false-unreach-call_false-termination.cil.c [2018-11-18 13:41:09,675 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2ed97657-a944-4c2a-a976-7de658169742/bin-2019/uautomizer/data/0c447a9b0/f9f79dc9ce9d48d6a55a0678be9f73cf/FLAGb61ef3beb [2018-11-18 13:41:10,067 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2ed97657-a944-4c2a-a976-7de658169742/bin-2019/uautomizer/data/0c447a9b0/f9f79dc9ce9d48d6a55a0678be9f73cf [2018-11-18 13:41:10,069 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:41:10,071 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:41:10,071 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:41:10,071 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:41:10,074 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:41:10,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:41:10" (1/1) ... [2018-11-18 13:41:10,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b5ed404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:10, skipping insertion in model container [2018-11-18 13:41:10,077 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:41:10" (1/1) ... [2018-11-18 13:41:10,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:41:10,116 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:41:10,299 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:41:10,308 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:41:10,411 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:41:10,431 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:41:10,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:10 WrapperNode [2018-11-18 13:41:10,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:41:10,432 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:41:10,432 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:41:10,432 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:41:10,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:10" (1/1) ... [2018-11-18 13:41:10,452 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:10" (1/1) ... [2018-11-18 13:41:10,474 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:41:10,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:41:10,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:41:10,475 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:41:10,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:10" (1/1) ... [2018-11-18 13:41:10,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:10" (1/1) ... [2018-11-18 13:41:10,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:10" (1/1) ... [2018-11-18 13:41:10,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:10" (1/1) ... [2018-11-18 13:41:10,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:10" (1/1) ... [2018-11-18 13:41:10,495 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:10" (1/1) ... [2018-11-18 13:41:10,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:10" (1/1) ... [2018-11-18 13:41:10,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:41:10,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:41:10,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:41:10,500 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:41:10,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2ed97657-a944-4c2a-a976-7de658169742/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 13:41:10,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:41:10,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:41:10,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:41:10,955 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:41:10,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:41:10 BoogieIcfgContainer [2018-11-18 13:41:10,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:41:10,957 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 13:41:10,957 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 13:41:10,960 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 13:41:10,960 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:41:10,961 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 01:41:10" (1/3) ... [2018-11-18 13:41:10,962 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4931d5de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:41:10, skipping insertion in model container [2018-11-18 13:41:10,962 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:41:10,962 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:10" (2/3) ... [2018-11-18 13:41:10,962 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4931d5de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:41:10, skipping insertion in model container [2018-11-18 13:41:10,962 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:41:10,962 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:41:10" (3/3) ... [2018-11-18 13:41:10,964 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product03_false-unreach-call_false-termination.cil.c [2018-11-18 13:41:11,006 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:41:11,007 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 13:41:11,007 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 13:41:11,007 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 13:41:11,007 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:41:11,007 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:41:11,008 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 13:41:11,008 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:41:11,008 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 13:41:11,019 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 87 states. [2018-11-18 13:41:11,040 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2018-11-18 13:41:11,041 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:41:11,041 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:41:11,046 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:41:11,046 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:41:11,046 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 13:41:11,046 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 87 states. [2018-11-18 13:41:11,049 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2018-11-18 13:41:11,049 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:41:11,049 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:41:11,050 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:41:11,050 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:41:11,053 INFO L794 eck$LassoCheckResult]: Stem: 36#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(13);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 110];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 102];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 102];#memory_int := #memory_int[#t~string10.base,3 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 44];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 80];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 117];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 109];#memory_int := #memory_int[#t~string12.base,4 + #t~string12.offset := 112];#memory_int := #memory_int[#t~string12.base,5 + #t~string12.offset := 58];#memory_int := #memory_int[#t~string12.base,6 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 110];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 102];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 102];#memory_int := #memory_int[#t~string16.base,3 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 41];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 32];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 10];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 0];call #t~string39.base, #t~string39.offset := #Ultimate.alloc(30);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(9);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(21);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(21);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(25);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(25);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(13);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 44];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 77];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 101];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 116];#memory_int := #memory_int[#t~string64.base,4 + #t~string64.offset := 104];#memory_int := #memory_int[#t~string64.base,5 + #t~string64.offset := 58];#memory_int := #memory_int[#t~string64.base,6 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 67];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 82];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 73];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 84];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 79];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 75];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 41];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 17#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~7, main_~tmp~5;havoc main_~retValue_acc~7;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 30#L633true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 38#L626true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 43#L641true main_#t~ret60 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret60;havoc main_#t~ret60; 29#L772true assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 7#L749true 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; 16#L55-3true [2018-11-18 13:41:11,053 INFO L796 eck$LassoCheckResult]: Loop: 16#L55-3true assume true; 37#L55-1true assume !false; 57#L56true assume test_~splverifierCounter~0 < 4; 87#L57true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 22#L65true assume !(0 != test_~tmp~0); 18#L65-2true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 77#L75true assume !(0 != test_~tmp___0~0); 44#L75-2true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 45#L85true assume 0 != test_~tmp___2~0; 26#L91-2true assume { :begin_inline_timeShift } true; 19#L127true assume !(0 != ~pumpRunning~0); 71#L127-2true assume !(0 != ~systemActive~0); 64#L134-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret57, __utac_acc__Specification3_spec__1_#t~ret58, __utac_acc__Specification3_spec__1_#t~ret59, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 79#L829true __utac_acc__Specification3_spec__1_#t~ret57 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret57;havoc __utac_acc__Specification3_spec__1_#t~ret57; 4#L665true assume 0 != __utac_acc__Specification3_spec__1_~tmp~4; 46#L671-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 42#L144true assume { :end_inline_timeShift } true; 16#L55-3true [2018-11-18 13:41:11,058 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:41:11,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 13:41:11,060 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:41:11,060 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:41:11,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:41:11,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:41:11,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:41:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:41:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:41:11,213 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:41:11,213 INFO L82 PathProgramCache]: Analyzing trace with hash 169411973, now seen corresponding path program 1 times [2018-11-18 13:41:11,213 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:41:11,213 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:41:11,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:41:11,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:41:11,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:41:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:41:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:41:11,226 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:41:11,226 INFO L82 PathProgramCache]: Analyzing trace with hash -762269631, now seen corresponding path program 1 times [2018-11-18 13:41:11,226 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:41:11,226 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:41:11,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:41:11,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:41:11,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:41:11,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:41:11,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:41:11,354 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:41:11,354 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:41:11,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:41:11,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:41:11,415 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 6 states. [2018-11-18 13:41:11,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:41:11,579 INFO L93 Difference]: Finished difference Result 233 states and 296 transitions. [2018-11-18 13:41:11,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:41:11,582 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 233 states and 296 transitions. [2018-11-18 13:41:11,590 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 149 [2018-11-18 13:41:11,595 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 233 states to 203 states and 266 transitions. [2018-11-18 13:41:11,596 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 203 [2018-11-18 13:41:11,597 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 203 [2018-11-18 13:41:11,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 203 states and 266 transitions. [2018-11-18 13:41:11,598 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:41:11,598 INFO L705 BuchiCegarLoop]: Abstraction has 203 states and 266 transitions. [2018-11-18 13:41:11,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states and 266 transitions. [2018-11-18 13:41:11,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 134. [2018-11-18 13:41:11,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-11-18 13:41:11,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 176 transitions. [2018-11-18 13:41:11,626 INFO L728 BuchiCegarLoop]: Abstraction has 134 states and 176 transitions. [2018-11-18 13:41:11,626 INFO L608 BuchiCegarLoop]: Abstraction has 134 states and 176 transitions. [2018-11-18 13:41:11,626 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 13:41:11,626 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 134 states and 176 transitions. [2018-11-18 13:41:11,628 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 98 [2018-11-18 13:41:11,628 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:41:11,628 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:41:11,628 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:41:11,628 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 13:41:11,629 INFO L794 eck$LassoCheckResult]: Stem: 382#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(13);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 110];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 102];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 102];#memory_int := #memory_int[#t~string10.base,3 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 44];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 80];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 117];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 109];#memory_int := #memory_int[#t~string12.base,4 + #t~string12.offset := 112];#memory_int := #memory_int[#t~string12.base,5 + #t~string12.offset := 58];#memory_int := #memory_int[#t~string12.base,6 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 110];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 102];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 102];#memory_int := #memory_int[#t~string16.base,3 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 41];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 32];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 10];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 0];call #t~string39.base, #t~string39.offset := #Ultimate.alloc(30);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(9);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(21);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(21);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(25);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(25);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(13);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 44];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 77];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 101];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 116];#memory_int := #memory_int[#t~string64.base,4 + #t~string64.offset := 104];#memory_int := #memory_int[#t~string64.base,5 + #t~string64.offset := 58];#memory_int := #memory_int[#t~string64.base,6 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 67];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 82];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 73];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 84];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 79];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 75];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 41];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 363#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~7, main_~tmp~5;havoc main_~retValue_acc~7;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 364#L633 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 377#L626 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 384#L641 main_#t~ret60 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret60;havoc main_#t~ret60; 376#L772 assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 348#L749 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; 349#L55-3 [2018-11-18 13:41:11,629 INFO L796 eck$LassoCheckResult]: Loop: 349#L55-3 assume true; 362#L55-1 assume !false; 383#L56 assume test_~splverifierCounter~0 < 4; 403#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 370#L65 assume !(0 != test_~tmp~0); 352#L65-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 365#L75 assume !(0 != test_~tmp___0~0); 379#L75-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 390#L85 assume 0 != test_~tmp___2~0; 346#L91-2 assume { :begin_inline_timeShift } true; 366#L127 assume !(0 != ~pumpRunning~0); 367#L127-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 401#L151 assume { :end_inline_processEnvironment } true; 402#L134-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret57, __utac_acc__Specification3_spec__1_#t~ret58, __utac_acc__Specification3_spec__1_#t~ret59, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 407#L829 __utac_acc__Specification3_spec__1_#t~ret57 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret57;havoc __utac_acc__Specification3_spec__1_#t~ret57; 340#L665 assume 0 != __utac_acc__Specification3_spec__1_~tmp~4; 341#L671-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 389#L144 assume { :end_inline_timeShift } true; 349#L55-3 [2018-11-18 13:41:11,629 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:41:11,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 13:41:11,629 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:41:11,629 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:41:11,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:41:11,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:41:11,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:41:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:41:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:41:11,670 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:41:11,671 INFO L82 PathProgramCache]: Analyzing trace with hash 1585280432, now seen corresponding path program 1 times [2018-11-18 13:41:11,671 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:41:11,671 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:41:11,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:41:11,672 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:41:11,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:41:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:41:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:41:11,680 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:41:11,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1527045516, now seen corresponding path program 1 times [2018-11-18 13:41:11,680 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:41:11,680 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:41:11,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:41:11,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:41:11,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:41:11,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:41:11,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:41:11,740 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:41:11,740 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 13:41:11,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:41:11,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:41:11,827 INFO L87 Difference]: Start difference. First operand 134 states and 176 transitions. cyclomatic complexity: 45 Second operand 5 states. [2018-11-18 13:41:11,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:41:11,943 INFO L93 Difference]: Finished difference Result 442 states and 584 transitions. [2018-11-18 13:41:11,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 13:41:11,944 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 442 states and 584 transitions. [2018-11-18 13:41:11,949 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 343 [2018-11-18 13:41:11,952 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 442 states to 442 states and 584 transitions. [2018-11-18 13:41:11,952 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 442 [2018-11-18 13:41:11,953 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 442 [2018-11-18 13:41:11,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 442 states and 584 transitions. [2018-11-18 13:41:11,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:41:11,955 INFO L705 BuchiCegarLoop]: Abstraction has 442 states and 584 transitions. [2018-11-18 13:41:11,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states and 584 transitions. [2018-11-18 13:41:11,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 261. [2018-11-18 13:41:11,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-11-18 13:41:11,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 337 transitions. [2018-11-18 13:41:11,968 INFO L728 BuchiCegarLoop]: Abstraction has 261 states and 337 transitions. [2018-11-18 13:41:11,969 INFO L608 BuchiCegarLoop]: Abstraction has 261 states and 337 transitions. [2018-11-18 13:41:11,969 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 13:41:11,969 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 261 states and 337 transitions. [2018-11-18 13:41:11,970 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 196 [2018-11-18 13:41:11,971 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:41:11,971 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:41:11,971 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:41:11,971 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:41:11,971 INFO L794 eck$LassoCheckResult]: Stem: 979#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(13);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 110];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 102];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 102];#memory_int := #memory_int[#t~string10.base,3 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 44];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 80];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 117];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 109];#memory_int := #memory_int[#t~string12.base,4 + #t~string12.offset := 112];#memory_int := #memory_int[#t~string12.base,5 + #t~string12.offset := 58];#memory_int := #memory_int[#t~string12.base,6 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 110];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 102];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 102];#memory_int := #memory_int[#t~string16.base,3 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 41];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 32];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 10];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 0];call #t~string39.base, #t~string39.offset := #Ultimate.alloc(30);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(9);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(21);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(21);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(25);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(25);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(13);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 44];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 77];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 101];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 116];#memory_int := #memory_int[#t~string64.base,4 + #t~string64.offset := 104];#memory_int := #memory_int[#t~string64.base,5 + #t~string64.offset := 58];#memory_int := #memory_int[#t~string64.base,6 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 67];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 82];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 73];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 84];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 79];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 75];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 41];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 958#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~7, main_~tmp~5;havoc main_~retValue_acc~7;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 959#L633 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 974#L626 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 982#L641 main_#t~ret60 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret60;havoc main_#t~ret60; 973#L772 assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 941#L749 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; 942#L55-3 [2018-11-18 13:41:11,972 INFO L796 eck$LassoCheckResult]: Loop: 942#L55-3 assume true; 1133#L55-1 assume !false; 1131#L56 assume test_~splverifierCounter~0 < 4; 1132#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 1192#L65 assume !(0 != test_~tmp~0); 1191#L65-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 1190#L75 assume !(0 != test_~tmp___0~0); 1188#L75-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 1186#L85 assume 0 != test_~tmp___2~0; 969#L91-2 assume { :begin_inline_timeShift } true; 961#L127 assume !(0 != ~pumpRunning~0); 962#L127-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 1019#L151 assume { :end_inline_processEnvironment } true; 1013#L134-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret57, __utac_acc__Specification3_spec__1_#t~ret58, __utac_acc__Specification3_spec__1_#t~ret59, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 1014#L829 __utac_acc__Specification3_spec__1_#t~ret57 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret57;havoc __utac_acc__Specification3_spec__1_#t~ret57; 934#L665 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 935#L861 __utac_acc__Specification3_spec__1_#t~ret58 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret58;havoc __utac_acc__Specification3_spec__1_#t~ret58; 1136#L671 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~1); 1135#L671-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1134#L144 assume { :end_inline_timeShift } true; 942#L55-3 [2018-11-18 13:41:11,972 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:41:11,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 13:41:11,972 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:41:11,972 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:41:11,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:41:11,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:41:11,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:41:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:41:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:41:11,998 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:41:11,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1257644157, now seen corresponding path program 1 times [2018-11-18 13:41:11,998 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:41:11,998 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:41:11,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:41:11,999 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:41:11,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:41:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:41:12,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:41:12,006 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:41:12,007 INFO L82 PathProgramCache]: Analyzing trace with hash 1389325127, now seen corresponding path program 1 times [2018-11-18 13:41:12,007 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:41:12,007 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:41:12,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:41:12,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:41:12,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:41:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:41:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:41:34,081 WARN L180 SmtUtils]: Spent 21.97 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 13:41:54,055 WARN L180 SmtUtils]: Spent 19.97 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 13:41:54,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 01:41:54 BoogieIcfgContainer [2018-11-18 13:41:54,119 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 13:41:54,119 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:41:54,119 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:41:54,119 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:41:54,120 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:41:10" (3/4) ... [2018-11-18 13:41:54,122 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 13:41:54,157 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2ed97657-a944-4c2a-a976-7de658169742/bin-2019/uautomizer/witness.graphml [2018-11-18 13:41:54,158 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:41:54,158 INFO L168 Benchmark]: Toolchain (without parser) took 44088.34 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 257.9 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -245.7 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:41:54,158 INFO L168 Benchmark]: CDTParser took 0.16 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 13:41:54,159 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -175.5 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:41:54,159 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.64 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:41:54,159 INFO L168 Benchmark]: Boogie Preprocessor took 25.37 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 13:41:54,159 INFO L168 Benchmark]: RCFGBuilder took 456.05 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: 59.6 MB). Peak memory consumption was 59.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:41:54,160 INFO L168 Benchmark]: BuchiAutomizer took 43162.39 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 116.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -141.8 MB). Peak memory consumption was 322.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:41:54,160 INFO L168 Benchmark]: Witness Printer took 38.36 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:41:54,161 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 360.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -175.5 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.64 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.37 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 456.05 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: 59.6 MB). Peak memory consumption was 59.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 43162.39 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 116.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -141.8 MB). Peak memory consumption was 322.7 MB. Max. memory is 11.5 GB. * Witness Printer took 38.36 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 261 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 43.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 42.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 250 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 261 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 238 SDtfs, 706 SDslu, 1048 SDs, 0 SdLazy, 87 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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 {NULL=0, ",Meth:"=0, "Env(Water:%i"=0, "Off"=29, "libacc.c"=0, "__utac__get_this_arg"=0, "__utac__get_this_arg"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5e2e8ae7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@cdb593b=171, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6150c59=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10a6fb96=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, ",Meth:"=17, methaneLevelCritical=0, "On"=35, "__utac__get_this_arg"=39, "OK"=0, "CRIT"=0, "OK"=11, tmp___1=0, "On"=0, "Pump(System:"=0, "\n"=26, "i > 0 && i <= this->argsCount"=37, cleanupTimeShifts=4, tmp=0, "i > 0 && i <= this->argsCount"=24, tmp=0, "__utac__get_this_argtype"=15, "On"=20, "__utac__get_this_argtype"=16, tmp___0=1, NULL=0, systemActive=1, waterLevel=1, \result=1, "On"=0, ",Pump:"=0, retValue_acc=0, "libacc.c"=0, ",Pump:"=23, "Off"=0, "__utac__get_this_arg"=33, tmp___0=0, "libacc.c"=0, "__utac__get_this_argtype"=0, "__utac__get_this_argtype"=0, \result=1, ") "=27, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@53b6b5d=0, "libacc.c"=36, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ddba4b4=0, "libacc.c"=38, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f852d6a=0, "CRIT"=22, ")"=0, "Off"=0, "i > 0 && i <= this->argsCount"=0, tmp=1, ") "=0, "i > 0 && i <= this->argsCount"=28, retValue_acc=1, retValue_acc=1, tmp___2=171, splverifierCounter=0, \result=0, "Pump(System:"=8, ")"=14, tmp___1=0, head=0, "\n"=0, "i > 0 && i <= this->argsCount"=0, "Off"=31, "libacc.c"=34, "libacc.c"=18, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3cd6a5f2=0, "Env(Water:%i"=19, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=12} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 55]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L195] FCALL "Pump(System:" [L199] FCALL "On" [L203] FCALL "Off" [L207] FCALL ",Pump:" [L211] FCALL "On" [L215] FCALL "Off" [L219] FCALL ") " [L221] FCALL "\n" [L539] FCALL "i > 0 && i <= this->argsCount" [L539] FCALL "libacc.c" [L540] FCALL "__utac__get_this_arg" [L546] FCALL "i > 0 && i <= this->argsCount" [L546] FCALL "libacc.c" [L547] FCALL "__utac__get_this_arg" [L585] FCALL "i > 0 && i <= this->argsCount" [L585] FCALL "libacc.c" [L586] FCALL "__utac__get_this_argtype" [L592] FCALL "i > 0 && i <= this->argsCount" [L592] FCALL "libacc.c" [L593] FCALL "__utac__get_this_argtype" [L838] FCALL "Env(Water:%i" [L839] FCALL ",Meth:" [L843] FCALL "CRIT" [L847] FCALL "OK" [L851] FCALL ")" [L119] int pumpRunning = 0; [L120] int systemActive = 1; [L690] int cleanupTimeShifts = 4; [L786] int waterLevel = 1; [L787] int methaneLevelCritical = 0; [L411] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L763] int retValue_acc ; [L764] int tmp ; [L768] FCALL select_helpers() [L769] FCALL select_features() [L770] CALL, EXPR valid_product() [L637] int retValue_acc ; [L640] retValue_acc = 1 [L641] RET return (retValue_acc); [L770] EXPR valid_product() [L770] tmp = valid_product() [L772] COND TRUE \read(tmp) [L774] FCALL setup() [L775] CALL runTest() [L757] 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() [L127] COND FALSE !(\read(pumpRunning)) [L134] COND TRUE \read(systemActive) [L136] FCALL processEnvironment() [L142] CALL __utac_acc__Specification3_spec__1() [L657] int tmp ; [L658] int tmp___0 ; [L659] int tmp___1 ; [L663] CALL, EXPR isMethaneLevelCritical() [L825] int retValue_acc ; [L828] retValue_acc = methaneLevelCritical [L829] RET return (retValue_acc); [L663] EXPR isMethaneLevelCritical() [L663] tmp = isMethaneLevelCritical() [L665] COND FALSE !(\read(tmp)) [L669] CALL, EXPR getWaterLevel() [L857] int retValue_acc ; [L860] retValue_acc = waterLevel [L861] RET return (retValue_acc); [L669] EXPR getWaterLevel() [L669] tmp___0 = getWaterLevel() [L671] COND FALSE, RET !(tmp___0 == 2) [L142] RET __utac_acc__Specification3_spec__1() [L100] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...