./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product09_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_797d580d-8deb-4b2f-ac04-be770d176436/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_797d580d-8deb-4b2f-ac04-be770d176436/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_797d580d-8deb-4b2f-ac04-be770d176436/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_797d580d-8deb-4b2f-ac04-be770d176436/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product09_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_797d580d-8deb-4b2f-ac04-be770d176436/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_797d580d-8deb-4b2f-ac04-be770d176436/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 3a064916388666b8cd5a1e3eb1ebd0adb240dbdf ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:17:53,611 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:17:53,613 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:17:53,622 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:17:53,622 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:17:53,623 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:17:53,624 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:17:53,625 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:17:53,626 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:17:53,630 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:17:53,631 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:17:53,631 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:17:53,631 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:17:53,632 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:17:53,633 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:17:53,633 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:17:53,634 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:17:53,635 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:17:53,637 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:17:53,638 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:17:53,639 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:17:53,640 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:17:53,642 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:17:53,642 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:17:53,642 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:17:53,643 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:17:53,644 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:17:53,644 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:17:53,645 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:17:53,645 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:17:53,646 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:17:53,646 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:17:53,646 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:17:53,646 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:17:53,650 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:17:53,651 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:17:53,651 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_797d580d-8deb-4b2f-ac04-be770d176436/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 12:17:53,667 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:17:53,668 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:17:53,669 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:17:53,669 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:17:53,669 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 12:17:53,669 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 12:17:53,669 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 12:17:53,669 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 12:17:53,669 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 12:17:53,669 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 12:17:53,670 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 12:17:53,670 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:17:53,670 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:17:53,670 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 12:17:53,670 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:17:53,670 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:17:53,671 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:17:53,671 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 12:17:53,671 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 12:17:53,672 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 12:17:53,672 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:17:53,672 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:17:53,672 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 12:17:53,672 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:17:53,672 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 12:17:53,672 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:17:53,672 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:17:53,673 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 12:17:53,673 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:17:53,673 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 12:17:53,673 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 12:17:53,674 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 12:17:53,674 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_797d580d-8deb-4b2f-ac04-be770d176436/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 -> 3a064916388666b8cd5a1e3eb1ebd0adb240dbdf [2018-11-18 12:17:53,709 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:17:53,718 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:17:53,720 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:17:53,721 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:17:53,722 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:17:53,722 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_797d580d-8deb-4b2f-ac04-be770d176436/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product09_false-unreach-call_false-termination.cil.c [2018-11-18 12:17:53,773 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_797d580d-8deb-4b2f-ac04-be770d176436/bin-2019/uautomizer/data/827870c20/9e4c2f7014a74ed5958623e3bed3d399/FLAG95f3f7509 [2018-11-18 12:17:54,212 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:17:54,212 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_797d580d-8deb-4b2f-ac04-be770d176436/sv-benchmarks/c/product-lines/minepump_spec3_product09_false-unreach-call_false-termination.cil.c [2018-11-18 12:17:54,220 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_797d580d-8deb-4b2f-ac04-be770d176436/bin-2019/uautomizer/data/827870c20/9e4c2f7014a74ed5958623e3bed3d399/FLAG95f3f7509 [2018-11-18 12:17:54,245 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_797d580d-8deb-4b2f-ac04-be770d176436/bin-2019/uautomizer/data/827870c20/9e4c2f7014a74ed5958623e3bed3d399 [2018-11-18 12:17:54,248 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:17:54,249 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:17:54,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:17:54,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:17:54,253 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:17:54,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:17:54" (1/1) ... [2018-11-18 12:17:54,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6272b034 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:17:54, skipping insertion in model container [2018-11-18 12:17:54,257 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:17:54" (1/1) ... [2018-11-18 12:17:54,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:17:54,301 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:17:54,496 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:17:54,504 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:17:54,610 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:17:54,630 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:17:54,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:17:54 WrapperNode [2018-11-18 12:17:54,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:17:54,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:17:54,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:17:54,631 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:17:54,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:17:54" (1/1) ... [2018-11-18 12:17:54,646 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:17:54" (1/1) ... [2018-11-18 12:17:54,668 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:17:54,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:17:54,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:17:54,669 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:17:54,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:17:54" (1/1) ... [2018-11-18 12:17:54,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:17:54" (1/1) ... [2018-11-18 12:17:54,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:17:54" (1/1) ... [2018-11-18 12:17:54,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:17:54" (1/1) ... [2018-11-18 12:17:54,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:17:54" (1/1) ... [2018-11-18 12:17:54,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:17:54" (1/1) ... [2018-11-18 12:17:54,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:17:54" (1/1) ... [2018-11-18 12:17:54,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:17:54,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:17:54,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:17:54,698 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:17:54,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:17:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_797d580d-8deb-4b2f-ac04-be770d176436/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 12:17:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:17:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:17:54,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:17:55,459 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:17:55,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:17:55 BoogieIcfgContainer [2018-11-18 12:17:55,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:17:55,460 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 12:17:55,460 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 12:17:55,463 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 12:17:55,463 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:17:55,463 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 12:17:54" (1/3) ... [2018-11-18 12:17:55,464 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7522e970 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 12:17:55, skipping insertion in model container [2018-11-18 12:17:55,464 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:17:55,465 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:17:54" (2/3) ... [2018-11-18 12:17:55,465 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7522e970 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 12:17:55, skipping insertion in model container [2018-11-18 12:17:55,465 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:17:55,465 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:17:55" (3/3) ... [2018-11-18 12:17:55,469 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product09_false-unreach-call_false-termination.cil.c [2018-11-18 12:17:55,513 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:17:55,513 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 12:17:55,514 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 12:17:55,514 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 12:17:55,514 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:17:55,514 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:17:55,514 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 12:17:55,514 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:17:55,514 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 12:17:55,527 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 83 states. [2018-11-18 12:17:55,548 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 52 [2018-11-18 12:17:55,548 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:17:55,548 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:17:55,556 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:17:55,556 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 12:17:55,556 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 12:17:55,556 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 83 states. [2018-11-18 12:17:55,560 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 52 [2018-11-18 12:17:55,560 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:17:55,560 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:17:55,561 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:17:55,561 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 12:17:55,565 INFO L794 eck$LassoCheckResult]: Stem: 28#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 110];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 44];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 80];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 117];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 109];#memory_int := #memory_int[#t~string14.base,4 + #t~string14.offset := 112];#memory_int := #memory_int[#t~string14.base,5 + #t~string14.offset := 58];#memory_int := #memory_int[#t~string14.base,6 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 110];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 41];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 32];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 10];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(21);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(21);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(25);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(25);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 77];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 101];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 116];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 104];#memory_int := #memory_int[#t~string65.base,5 + #t~string65.offset := 58];#memory_int := #memory_int[#t~string65.base,6 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 67];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 82];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 73];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 84];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 75];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 42#L407true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 65#L400true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 75#L415true main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 83#L130true assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 19#L103true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 79#L163-3true [2018-11-18 12:17:55,566 INFO L796 eck$LassoCheckResult]: Loop: 79#L163-3true assume true; 84#L163-1true assume !false; 12#L164true assume test_~splverifierCounter~0 < 4; 13#L165true test_~tmp~1 := test_#t~nondet1;havoc test_#t~nondet1; 61#L173true assume !(0 != test_~tmp~1); 53#L173-2true test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 32#L183true assume !(0 != test_~tmp___0~0); 27#L183-2true test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 9#L193true assume 0 != test_~tmp___2~0; 40#L199-2true assume { :begin_inline_timeShift } true; 45#L232true assume !(0 != ~pumpRunning~0); 41#L232-2true assume !(0 != ~systemActive~0); 69#L239-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret23, __utac_acc__Specification3_spec__1_#t~ret24, __utac_acc__Specification3_spec__1_#t~ret25, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~3;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; 81#L829true __utac_acc__Specification3_spec__1_#t~ret23 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret23;havoc __utac_acc__Specification3_spec__1_#t~ret23; 54#L360true assume 0 != __utac_acc__Specification3_spec__1_~tmp~3; 16#L366-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 36#L249true assume { :end_inline_timeShift } true; 79#L163-3true [2018-11-18 12:17:55,574 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:17:55,574 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 12:17:55,575 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:17:55,576 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:17:55,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:17:55,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:17:55,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:17:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:17:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:17:55,725 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:17:55,725 INFO L82 PathProgramCache]: Analyzing trace with hash 975310853, now seen corresponding path program 1 times [2018-11-18 12:17:55,725 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:17:55,725 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:17:55,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:17:55,726 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:17:55,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:17:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:17:55,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:17:55,743 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:17:55,743 INFO L82 PathProgramCache]: Analyzing trace with hash 43629249, now seen corresponding path program 1 times [2018-11-18 12:17:55,743 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:17:55,743 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:17:55,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:17:55,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:17:55,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:17:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:17:55,877 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 12:17:55,879 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:17:55,879 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 12:17:55,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:17:55,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:17:55,954 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 6 states. [2018-11-18 12:17:56,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:17:56,105 INFO L93 Difference]: Finished difference Result 80 states and 99 transitions. [2018-11-18 12:17:56,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 12:17:56,107 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 99 transitions. [2018-11-18 12:17:56,110 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 48 [2018-11-18 12:17:56,114 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 70 states and 89 transitions. [2018-11-18 12:17:56,116 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 70 [2018-11-18 12:17:56,116 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 70 [2018-11-18 12:17:56,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 70 states and 89 transitions. [2018-11-18 12:17:56,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 12:17:56,117 INFO L705 BuchiCegarLoop]: Abstraction has 70 states and 89 transitions. [2018-11-18 12:17:56,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states and 89 transitions. [2018-11-18 12:17:56,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2018-11-18 12:17:56,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-11-18 12:17:56,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 89 transitions. [2018-11-18 12:17:56,144 INFO L728 BuchiCegarLoop]: Abstraction has 70 states and 89 transitions. [2018-11-18 12:17:56,144 INFO L608 BuchiCegarLoop]: Abstraction has 70 states and 89 transitions. [2018-11-18 12:17:56,144 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 12:17:56,144 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 70 states and 89 transitions. [2018-11-18 12:17:56,146 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 48 [2018-11-18 12:17:56,146 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:17:56,146 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:17:56,147 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:17:56,147 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 12:17:56,147 INFO L794 eck$LassoCheckResult]: Stem: 220#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 110];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 44];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 80];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 117];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 109];#memory_int := #memory_int[#t~string14.base,4 + #t~string14.offset := 112];#memory_int := #memory_int[#t~string14.base,5 + #t~string14.offset := 58];#memory_int := #memory_int[#t~string14.base,6 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 110];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 41];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 32];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 10];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(21);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(21);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(25);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(25);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 77];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 101];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 116];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 104];#memory_int := #memory_int[#t~string65.base,5 + #t~string65.offset := 58];#memory_int := #memory_int[#t~string65.base,6 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 67];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 82];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 73];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 84];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 75];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 186#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 187#L407 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 231#L400 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 246#L415 main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 249#L130 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 210#L103 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 211#L163-3 [2018-11-18 12:17:56,148 INFO L796 eck$LassoCheckResult]: Loop: 211#L163-3 assume true; 250#L163-1 assume !false; 193#L164 assume test_~splverifierCounter~0 < 4; 194#L165 test_~tmp~1 := test_#t~nondet1;havoc test_#t~nondet1; 199#L173 assume !(0 != test_~tmp~1); 183#L173-2 test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 222#L183 assume !(0 != test_~tmp___0~0); 201#L183-2 test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 190#L193 assume 0 != test_~tmp___2~0; 191#L199-2 assume { :begin_inline_timeShift } true; 227#L232 assume !(0 != ~pumpRunning~0); 230#L232-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 218#L256 assume { :end_inline_processEnvironment } true; 219#L239-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret23, __utac_acc__Specification3_spec__1_#t~ret24, __utac_acc__Specification3_spec__1_#t~ret25, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~3;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; 247#L829 __utac_acc__Specification3_spec__1_#t~ret23 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret23;havoc __utac_acc__Specification3_spec__1_#t~ret23; 236#L360 assume 0 != __utac_acc__Specification3_spec__1_~tmp~3; 197#L366-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 202#L249 assume { :end_inline_timeShift } true; 211#L163-3 [2018-11-18 12:17:56,148 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:17:56,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 12:17:56,149 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:17:56,149 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:17:56,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:17:56,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:17:56,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:17:56,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:17:56,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:17:56,191 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:17:56,191 INFO L82 PathProgramCache]: Analyzing trace with hash 798341925, now seen corresponding path program 1 times [2018-11-18 12:17:56,191 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:17:56,191 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:17:56,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:17:56,192 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:17:56,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:17:56,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:17:56,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:17:56,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:17:56,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1980983273, now seen corresponding path program 1 times [2018-11-18 12:17:56,200 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:17:56,200 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:17:56,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:17:56,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:17:56,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:17:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:17:56,271 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 12:17:56,272 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:17:56,272 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 12:17:56,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 12:17:56,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:17:56,329 INFO L87 Difference]: Start difference. First operand 70 states and 89 transitions. cyclomatic complexity: 21 Second operand 5 states. [2018-11-18 12:17:56,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:17:56,456 INFO L93 Difference]: Finished difference Result 227 states and 292 transitions. [2018-11-18 12:17:56,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:17:56,458 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 227 states and 292 transitions. [2018-11-18 12:17:56,462 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 164 [2018-11-18 12:17:56,464 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 227 states to 227 states and 292 transitions. [2018-11-18 12:17:56,464 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 227 [2018-11-18 12:17:56,464 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 227 [2018-11-18 12:17:56,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 227 states and 292 transitions. [2018-11-18 12:17:56,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 12:17:56,466 INFO L705 BuchiCegarLoop]: Abstraction has 227 states and 292 transitions. [2018-11-18 12:17:56,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states and 292 transitions. [2018-11-18 12:17:56,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 133. [2018-11-18 12:17:56,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-11-18 12:17:56,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 167 transitions. [2018-11-18 12:17:56,476 INFO L728 BuchiCegarLoop]: Abstraction has 133 states and 167 transitions. [2018-11-18 12:17:56,476 INFO L608 BuchiCegarLoop]: Abstraction has 133 states and 167 transitions. [2018-11-18 12:17:56,476 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 12:17:56,476 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 133 states and 167 transitions. [2018-11-18 12:17:56,477 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 96 [2018-11-18 12:17:56,477 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:17:56,477 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:17:56,478 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:17:56,478 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 12:17:56,478 INFO L794 eck$LassoCheckResult]: Stem: 535#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 110];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 44];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 80];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 117];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 109];#memory_int := #memory_int[#t~string14.base,4 + #t~string14.offset := 112];#memory_int := #memory_int[#t~string14.base,5 + #t~string14.offset := 58];#memory_int := #memory_int[#t~string14.base,6 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 110];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 41];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 32];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 10];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(21);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(21);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(25);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(25);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 77];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 101];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 116];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 104];#memory_int := #memory_int[#t~string65.base,5 + #t~string65.offset := 58];#memory_int := #memory_int[#t~string65.base,6 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 67];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 82];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 73];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 84];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 75];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 501#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 502#L407 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 550#L400 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 574#L415 main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 580#L130 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 522#L103 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 523#L163-3 [2018-11-18 12:17:56,482 INFO L796 eck$LassoCheckResult]: Loop: 523#L163-3 assume true; 581#L163-1 assume !false; 508#L164 assume test_~splverifierCounter~0 < 4; 509#L165 test_~tmp~1 := test_#t~nondet1;havoc test_#t~nondet1; 570#L173 assume !(0 != test_~tmp~1); 498#L173-2 test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 539#L183 assume !(0 != test_~tmp___0~0); 514#L183-2 test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 534#L193 assume 0 != test_~tmp___2~0; 621#L199-2 assume { :begin_inline_timeShift } true; 619#L232 assume !(0 != ~pumpRunning~0); 617#L232-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 616#L256 assume { :end_inline_processEnvironment } true; 575#L239-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret23, __utac_acc__Specification3_spec__1_#t~ret24, __utac_acc__Specification3_spec__1_#t~ret25, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~3;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; 576#L829 __utac_acc__Specification3_spec__1_#t~ret23 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret23;havoc __utac_acc__Specification3_spec__1_#t~ret23; 560#L360 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~3);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; 561#L861 __utac_acc__Specification3_spec__1_#t~ret24 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret24;havoc __utac_acc__Specification3_spec__1_#t~ret24; 562#L366 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~1); 615#L366-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 542#L249 assume { :end_inline_timeShift } true; 523#L163-3 [2018-11-18 12:17:56,483 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:17:56,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 12:17:56,483 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:17:56,483 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:17:56,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:17:56,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:17:56,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:17:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:17:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:17:56,511 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:17:56,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1591305640, now seen corresponding path program 1 times [2018-11-18 12:17:56,512 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:17:56,512 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:17:56,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:17:56,513 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:17:56,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:17:56,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:17:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:17:56,520 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:17:56,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1055663644, now seen corresponding path program 1 times [2018-11-18 12:17:56,520 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:17:56,521 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:17:56,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:17:56,521 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:17:56,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:17:56,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:17:56,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:17:56,689 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-11-18 12:18:32,148 WARN L180 SmtUtils]: Spent 35.40 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 12:18:52,850 WARN L180 SmtUtils]: Spent 20.70 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 12:18:52,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 12:18:52 BoogieIcfgContainer [2018-11-18 12:18:52,913 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 12:18:52,914 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:18:52,914 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:18:52,914 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:18:52,915 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:17:55" (3/4) ... [2018-11-18 12:18:52,917 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 12:18:52,955 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_797d580d-8deb-4b2f-ac04-be770d176436/bin-2019/uautomizer/witness.graphml [2018-11-18 12:18:52,955 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:18:52,956 INFO L168 Benchmark]: Toolchain (without parser) took 58707.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 213.4 MB). Free memory was 955.8 MB in the beginning and 860.7 MB in the end (delta: 95.1 MB). Peak memory consumption was 308.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:18:52,956 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:18:52,956 INFO L168 Benchmark]: CACSL2BoogieTranslator took 381.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 955.8 MB in the beginning and 1.1 GB in the end (delta: -168.1 MB). Peak memory consumption was 35.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:18:52,957 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.26 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 12:18:52,957 INFO L168 Benchmark]: Boogie Preprocessor took 28.50 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:18:52,957 INFO L168 Benchmark]: RCFGBuilder took 762.03 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: 61.4 MB). Peak memory consumption was 61.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:18:52,958 INFO L168 Benchmark]: BuchiAutomizer took 57453.82 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.4 MB). Free memory was 1.1 GB in the beginning and 866.0 MB in the end (delta: 193.0 MB). Peak memory consumption was 267.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:18:52,960 INFO L168 Benchmark]: Witness Printer took 41.60 ms. Allocated memory is still 1.2 GB. Free memory was 866.0 MB in the beginning and 860.7 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:18:52,962 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 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 381.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 955.8 MB in the beginning and 1.1 GB in the end (delta: -168.1 MB). Peak memory consumption was 35.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.26 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. * Boogie Preprocessor took 28.50 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 762.03 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: 61.4 MB). Peak memory consumption was 61.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 57453.82 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.4 MB). Free memory was 1.1 GB in the beginning and 866.0 MB in the end (delta: 193.0 MB). Peak memory consumption was 267.8 MB. Max. memory is 11.5 GB. * Witness Printer took 41.60 ms. Allocated memory is still 1.2 GB. Free memory was 866.0 MB in the beginning and 860.7 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 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 133 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 57.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 56.9s. 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, 94 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 133 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 213 SDtfs, 662 SDslu, 360 SDs, 0 SdLazy, 53 SolverSat, 18 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: 163]: 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, "__utac__get_this_arg"=0, "On"=16, "libacc.c"=29, "Env(Water:%i"=0, retValue_acc=0, "libacc.c"=0, "libacc.c"=20, ")"=31, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@46d1627f=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@764a3202=153, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62dfd29e=0, "Env(Water:%i"=27, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4dac7a22=0, "__utac__get_this_argtype"=34, methaneLevelCritical=0, "Pump(System:"=17, ",Meth:"=0, "OK"=0, "CRIT"=0, tmp___1=0, "Pump(System:"=0, ") "=24, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5643326b=0, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36ca5438=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c7d15fe=0, "__utac__get_this_arg"=36, "i > 0 && i <= this->argsCount"=8, tmp=0, ",Pump:"=14, tmp___0=1, NULL=0, systemActive=1, waterLevel=1, "OK"=40, \result=1, ",Pump:"=0, "libacc.c"=33, "Off"=0, retValue_acc=0, "libacc.c"=0, "Off"=15, "On"=0, "__utac__get_this_arg"=22, "i > 0 && i <= this->argsCount"=0, tmp___0=0, "__utac__get_this_arg"=0, "libacc.c"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, \result=1, "Off"=12, head=0, pumpRunning=0, tmp=1, "libacc.c"=37, "i > 0 && i <= this->argsCount"=19, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2279f0d5=0, "On"=0, "Off"=0, "i > 0 && i <= this->argsCount"=38, retValue_acc=1, "CRIT"=39, "\n"=23, ")"=0, retValue_acc=1, tmp___2=153, splverifierCounter=0, "__utac__get_this_argtype"=0, \result=0, "__utac__get_this_argtype"=28, tmp___1=0, head=0, ") "=0, "On"=11, "\n"=0, "i > 0 && i <= this->argsCount"=35, "i > 0 && i <= this->argsCount"=0, ",Meth:"=26} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 163]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L318] FCALL "Pump(System:" [L322] FCALL "On" [L326] FCALL "Off" [L330] FCALL ",Pump:" [L334] FCALL "On" [L338] FCALL "Off" [L342] FCALL ") " [L344] FCALL "\n" [L717] FCALL "i > 0 && i <= this->argsCount" [L717] FCALL "libacc.c" [L718] FCALL "__utac__get_this_arg" [L724] FCALL "i > 0 && i <= this->argsCount" [L724] FCALL "libacc.c" [L725] FCALL "__utac__get_this_arg" [L763] FCALL "i > 0 && i <= this->argsCount" [L763] FCALL "libacc.c" [L764] FCALL "__utac__get_this_argtype" [L770] FCALL "i > 0 && i <= this->argsCount" [L770] FCALL "libacc.c" [L771] FCALL "__utac__get_this_argtype" [L838] FCALL "Env(Water:%i" [L839] FCALL ",Meth:" [L843] FCALL "CRIT" [L847] FCALL "OK" [L851] FCALL ")" [L40] int cleanupTimeShifts = 4; [L224] int pumpRunning = 0; [L225] int systemActive = 1; [L786] int waterLevel = 1; [L787] int methaneLevelCritical = 0; [L589] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L121] int retValue_acc ; [L122] int tmp ; [L126] FCALL select_helpers() [L127] FCALL select_features() [L128] CALL, EXPR valid_product() [L411] int retValue_acc ; [L414] retValue_acc = 1 [L415] RET return (retValue_acc); [L128] EXPR valid_product() [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L132] FCALL setup() [L133] CALL runTest() [L112] CALL test() [L154] int splverifierCounter ; [L155] int tmp ; [L156] int tmp___0 ; [L157] int tmp___1 ; [L158] int tmp___2 ; [L161] splverifierCounter = 0 Loop: [L163] COND TRUE 1 [L165] COND TRUE splverifierCounter < 4 [L171] tmp = __VERIFIER_nondet_int() [L173] COND FALSE !(\read(tmp)) [L181] tmp___0 = __VERIFIER_nondet_int() [L183] COND FALSE !(\read(tmp___0)) [L191] tmp___2 = __VERIFIER_nondet_int() [L193] COND TRUE \read(tmp___2) [L206] CALL timeShift() [L232] COND FALSE !(\read(pumpRunning)) [L239] COND TRUE \read(systemActive) [L241] FCALL processEnvironment() [L247] CALL __utac_acc__Specification3_spec__1() [L352] int tmp ; [L353] int tmp___0 ; [L354] int tmp___1 ; [L358] CALL, EXPR isMethaneLevelCritical() [L825] int retValue_acc ; [L828] retValue_acc = methaneLevelCritical [L829] RET return (retValue_acc); [L358] EXPR isMethaneLevelCritical() [L358] tmp = isMethaneLevelCritical() [L360] COND FALSE !(\read(tmp)) [L364] CALL, EXPR getWaterLevel() [L857] int retValue_acc ; [L860] retValue_acc = waterLevel [L861] RET return (retValue_acc); [L364] EXPR getWaterLevel() [L364] tmp___0 = getWaterLevel() [L366] COND FALSE, RET !(tmp___0 == 2) [L247] RET __utac_acc__Specification3_spec__1() [L206] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...