./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product15_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4847bcd6-27e1-40af-906a-2e9c78f69117/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4847bcd6-27e1-40af-906a-2e9c78f69117/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4847bcd6-27e1-40af-906a-2e9c78f69117/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4847bcd6-27e1-40af-906a-2e9c78f69117/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product15_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4847bcd6-27e1-40af-906a-2e9c78f69117/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4847bcd6-27e1-40af-906a-2e9c78f69117/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 a79e268ddb88b862b3e99a66782eee3a2de30d36 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:35:19,455 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:35:19,456 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:35:19,462 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:35:19,463 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:35:19,463 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:35:19,464 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:35:19,466 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:35:19,467 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:35:19,468 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:35:19,468 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:35:19,468 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:35:19,469 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:35:19,470 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:35:19,471 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:35:19,471 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:35:19,472 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:35:19,473 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:35:19,475 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:35:19,476 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:35:19,477 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:35:19,478 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:35:19,479 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:35:19,480 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:35:19,480 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:35:19,481 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:35:19,481 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:35:19,482 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:35:19,483 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:35:19,483 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:35:19,484 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:35:19,485 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:35:19,485 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:35:19,485 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:35:19,486 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:35:19,486 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:35:19,486 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4847bcd6-27e1-40af-906a-2e9c78f69117/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 08:35:19,498 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:35:19,499 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:35:19,500 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:35:19,500 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:35:19,500 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 08:35:19,500 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 08:35:19,500 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 08:35:19,500 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 08:35:19,501 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 08:35:19,501 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 08:35:19,501 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 08:35:19,501 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:35:19,501 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:35:19,501 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 08:35:19,501 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:35:19,502 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:35:19,502 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:35:19,502 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 08:35:19,502 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 08:35:19,502 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 08:35:19,502 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:35:19,502 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:35:19,502 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 08:35:19,503 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:35:19,503 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 08:35:19,503 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:35:19,503 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:35:19,503 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 08:35:19,503 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:35:19,504 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 08:35:19,504 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 08:35:19,504 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 08:35:19,505 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_4847bcd6-27e1-40af-906a-2e9c78f69117/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 -> a79e268ddb88b862b3e99a66782eee3a2de30d36 [2018-11-18 08:35:19,527 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:35:19,534 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:35:19,536 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:35:19,537 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:35:19,537 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:35:19,538 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4847bcd6-27e1-40af-906a-2e9c78f69117/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product15_true-unreach-call_false-termination.cil.c [2018-11-18 08:35:19,578 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4847bcd6-27e1-40af-906a-2e9c78f69117/bin-2019/uautomizer/data/73c915aad/6d2accac17f3447eb70cc157159bd024/FLAGc92994427 [2018-11-18 08:35:19,933 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:35:19,934 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4847bcd6-27e1-40af-906a-2e9c78f69117/sv-benchmarks/c/product-lines/minepump_spec5_product15_true-unreach-call_false-termination.cil.c [2018-11-18 08:35:19,942 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4847bcd6-27e1-40af-906a-2e9c78f69117/bin-2019/uautomizer/data/73c915aad/6d2accac17f3447eb70cc157159bd024/FLAGc92994427 [2018-11-18 08:35:19,953 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4847bcd6-27e1-40af-906a-2e9c78f69117/bin-2019/uautomizer/data/73c915aad/6d2accac17f3447eb70cc157159bd024 [2018-11-18 08:35:19,955 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:35:19,956 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:35:19,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:35:19,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:35:19,959 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:35:19,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:35:19" (1/1) ... [2018-11-18 08:35:19,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c0789ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:19, skipping insertion in model container [2018-11-18 08:35:19,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:35:19" (1/1) ... [2018-11-18 08:35:19,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:35:19,998 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:35:20,176 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:35:20,186 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:35:20,288 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:35:20,307 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:35:20,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:20 WrapperNode [2018-11-18 08:35:20,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:35:20,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:35:20,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:35:20,308 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:35:20,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:20" (1/1) ... [2018-11-18 08:35:20,323 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:20" (1/1) ... [2018-11-18 08:35:20,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:35:20,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:35:20,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:35:20,346 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:35:20,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:20" (1/1) ... [2018-11-18 08:35:20,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:20" (1/1) ... [2018-11-18 08:35:20,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:20" (1/1) ... [2018-11-18 08:35:20,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:20" (1/1) ... [2018-11-18 08:35:20,364 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:20" (1/1) ... [2018-11-18 08:35:20,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:20" (1/1) ... [2018-11-18 08:35:20,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:20" (1/1) ... [2018-11-18 08:35:20,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:35:20,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:35:20,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:35:20,375 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:35:20,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4847bcd6-27e1-40af-906a-2e9c78f69117/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 08:35:20,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 08:35:20,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:35:20,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:35:20,911 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:35:20,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:35:20 BoogieIcfgContainer [2018-11-18 08:35:20,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:35:20,912 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 08:35:20,912 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 08:35:20,915 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 08:35:20,916 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:35:20,916 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:35:19" (1/3) ... [2018-11-18 08:35:20,916 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70bfbfb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:35:20, skipping insertion in model container [2018-11-18 08:35:20,917 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:35:20,917 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:20" (2/3) ... [2018-11-18 08:35:20,917 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70bfbfb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:35:20, skipping insertion in model container [2018-11-18 08:35:20,917 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:35:20,917 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:35:20" (3/3) ... [2018-11-18 08:35:20,918 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product15_true-unreach-call_false-termination.cil.c [2018-11-18 08:35:20,950 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 08:35:20,950 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 08:35:20,951 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 08:35:20,951 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 08:35:20,951 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:35:20,951 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:35:20,951 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 08:35:20,951 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:35:20,951 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 08:35:20,963 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 112 states. [2018-11-18 08:35:20,981 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 72 [2018-11-18 08:35:20,981 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:35:20,981 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:35:20,987 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:35:20,987 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:35:20,987 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 08:35:20,987 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 112 states. [2018-11-18 08:35:20,991 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 72 [2018-11-18 08:35:20,992 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:35:20,992 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:35:20,992 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:35:20,992 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] [2018-11-18 08:35:20,996 INFO L794 eck$LassoCheckResult]: Stem: 83#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 79];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 110];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 79];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 102];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 102];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 44];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 80];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 117];#memory_int := #memory_int[#t~string46.base,3 + #t~string46.offset := 109];#memory_int := #memory_int[#t~string46.base,4 + #t~string46.offset := 112];#memory_int := #memory_int[#t~string46.base,5 + #t~string46.offset := 58];#memory_int := #memory_int[#t~string46.base,6 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 79];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 110];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 79];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 102];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 102];#memory_int := #memory_int[#t~string50.base,3 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 41];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 32];#memory_int := #memory_int[#t~string52.base,2 + #t~string52.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 10];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(13);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 44];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 77];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 101];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 116];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 104];#memory_int := #memory_int[#t~string63.base,5 + #t~string63.offset := 58];#memory_int := #memory_int[#t~string63.base,6 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 67];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 82];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 73];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 84];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 75];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 41];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 12#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 10#L778true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 49#L771true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 14#L786true main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 94#L132true assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 22#L103true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 37#L887true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 66#L699-3true [2018-11-18 08:35:20,996 INFO L796 eck$LassoCheckResult]: Loop: 66#L699-3true assume true; 93#L699-1true assume !false; 31#L700true assume test_~splverifierCounter~0 < 4; 109#L701true test_~tmp~6 := test_#t~nondet55;havoc test_#t~nondet55; 18#L709true assume !(0 != test_~tmp~6); 4#L709-2true test_~tmp___0~0 := test_#t~nondet56;havoc test_#t~nondet56; 46#L719true assume !(0 != test_~tmp___0~0); 36#L719-2true test_~tmp___2~0 := test_#t~nondet57;havoc test_#t~nondet57; 95#L729true assume 0 != test_~tmp___2~0; 55#L735-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret70;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; 62#L633true __utac_acc__Specification5_spec__2_#t~ret70 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret70;havoc __utac_acc__Specification5_spec__2_#t~ret70; 98#L897true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 84#L531true assume !(0 != ~pumpRunning~0); 89#L531-2true assume !(0 != ~systemActive~0); 20#L538-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~7, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~7;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;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; 65#L867true __utac_acc__Specification5_spec__3_#t~ret71 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; 97#L908true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7); 99#L908-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 48#L548true assume { :end_inline_timeShift } true; 66#L699-3true [2018-11-18 08:35:21,001 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:35:21,001 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 08:35:21,003 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:35:21,003 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:35:21,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:21,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:35:21,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:21,149 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:35:21,150 INFO L82 PathProgramCache]: Analyzing trace with hash -249786179, now seen corresponding path program 1 times [2018-11-18 08:35:21,150 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:35:21,150 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:35:21,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:21,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:35:21,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:21,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:21,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:21,161 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:35:21,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1179962164, now seen corresponding path program 1 times [2018-11-18 08:35:21,161 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:35:21,162 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:35:21,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:21,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:35:21,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:35:21,285 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 08:35:21,287 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:35:21,287 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 08:35:21,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:35:21,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:35:21,373 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 6 states. [2018-11-18 08:35:21,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:35:21,543 INFO L93 Difference]: Finished difference Result 285 states and 360 transitions. [2018-11-18 08:35:21,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 08:35:21,545 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 285 states and 360 transitions. [2018-11-18 08:35:21,550 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 183 [2018-11-18 08:35:21,555 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 285 states to 255 states and 330 transitions. [2018-11-18 08:35:21,556 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 255 [2018-11-18 08:35:21,557 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 255 [2018-11-18 08:35:21,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 255 states and 330 transitions. [2018-11-18 08:35:21,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:35:21,559 INFO L705 BuchiCegarLoop]: Abstraction has 255 states and 330 transitions. [2018-11-18 08:35:21,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states and 330 transitions. [2018-11-18 08:35:21,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 162. [2018-11-18 08:35:21,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-11-18 08:35:21,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 210 transitions. [2018-11-18 08:35:21,586 INFO L728 BuchiCegarLoop]: Abstraction has 162 states and 210 transitions. [2018-11-18 08:35:21,586 INFO L608 BuchiCegarLoop]: Abstraction has 162 states and 210 transitions. [2018-11-18 08:35:21,586 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 08:35:21,586 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 162 states and 210 transitions. [2018-11-18 08:35:21,588 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 116 [2018-11-18 08:35:21,588 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:35:21,588 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:35:21,589 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:35:21,589 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:35:21,589 INFO L794 eck$LassoCheckResult]: Stem: 509#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 79];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 110];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 79];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 102];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 102];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 44];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 80];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 117];#memory_int := #memory_int[#t~string46.base,3 + #t~string46.offset := 109];#memory_int := #memory_int[#t~string46.base,4 + #t~string46.offset := 112];#memory_int := #memory_int[#t~string46.base,5 + #t~string46.offset := 58];#memory_int := #memory_int[#t~string46.base,6 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 79];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 110];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 79];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 102];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 102];#memory_int := #memory_int[#t~string50.base,3 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 41];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 32];#memory_int := #memory_int[#t~string52.base,2 + #t~string52.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 10];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(13);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 44];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 77];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 101];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 116];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 104];#memory_int := #memory_int[#t~string63.base,5 + #t~string63.offset := 58];#memory_int := #memory_int[#t~string63.base,6 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 67];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 82];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 73];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 84];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 75];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 41];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 426#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; 423#L778 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 424#L771 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 429#L786 main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 430#L132 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 444#L103 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 445#L887 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 469#L699-3 [2018-11-18 08:35:21,590 INFO L796 eck$LassoCheckResult]: Loop: 469#L699-3 assume true; 492#L699-1 assume !false; 459#L700 assume test_~splverifierCounter~0 < 4; 460#L701 test_~tmp~6 := test_#t~nondet55;havoc test_#t~nondet55; 437#L709 assume !(0 != test_~tmp~6); 417#L709-2 test_~tmp___0~0 := test_#t~nondet56;havoc test_#t~nondet56; 418#L719 assume !(0 != test_~tmp___0~0); 467#L719-2 test_~tmp___2~0 := test_#t~nondet57;havoc test_#t~nondet57; 468#L729 assume 0 != test_~tmp___2~0; 480#L735-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret70;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; 481#L633 __utac_acc__Specification5_spec__2_#t~ret70 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret70;havoc __utac_acc__Specification5_spec__2_#t~ret70; 489#L897 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 510#L531 assume !(0 != ~pumpRunning~0); 511#L531-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 427#L563 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 425#L555-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 422#L563-1 assume { :end_inline_processEnvironment } true; 431#L538-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~7, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~7;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;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; 442#L867 __utac_acc__Specification5_spec__3_#t~ret71 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; 491#L908 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7); 466#L908-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 472#L548 assume { :end_inline_timeShift } true; 469#L699-3 [2018-11-18 08:35:21,590 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:35:21,590 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 08:35:21,590 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:35:21,590 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:35:21,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:21,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:35:21,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:21,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:21,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:35:21,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1507327640, now seen corresponding path program 1 times [2018-11-18 08:35:21,633 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:35:21,634 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:35:21,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:21,634 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 08:35:21,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:21,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:21,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:21,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:35:21,643 INFO L82 PathProgramCache]: Analyzing trace with hash -1065115759, now seen corresponding path program 1 times [2018-11-18 08:35:21,643 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:35:21,643 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:35:21,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:21,644 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:35:21,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:21,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:35:21,710 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 08:35:21,711 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:35:21,711 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 08:35:21,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 08:35:21,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 08:35:21,761 INFO L87 Difference]: Start difference. First operand 162 states and 210 transitions. cyclomatic complexity: 51 Second operand 5 states. [2018-11-18 08:35:21,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:35:21,857 INFO L93 Difference]: Finished difference Result 434 states and 553 transitions. [2018-11-18 08:35:21,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 08:35:21,858 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 434 states and 553 transitions. [2018-11-18 08:35:21,862 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 220 [2018-11-18 08:35:21,865 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 434 states to 434 states and 553 transitions. [2018-11-18 08:35:21,866 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 434 [2018-11-18 08:35:21,866 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 434 [2018-11-18 08:35:21,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 434 states and 553 transitions. [2018-11-18 08:35:21,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:35:21,868 INFO L705 BuchiCegarLoop]: Abstraction has 434 states and 553 transitions. [2018-11-18 08:35:21,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states and 553 transitions. [2018-11-18 08:35:21,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 308. [2018-11-18 08:35:21,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2018-11-18 08:35:21,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 390 transitions. [2018-11-18 08:35:21,881 INFO L728 BuchiCegarLoop]: Abstraction has 308 states and 390 transitions. [2018-11-18 08:35:21,881 INFO L608 BuchiCegarLoop]: Abstraction has 308 states and 390 transitions. [2018-11-18 08:35:21,882 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 08:35:21,882 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 308 states and 390 transitions. [2018-11-18 08:35:21,884 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 220 [2018-11-18 08:35:21,884 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:35:21,884 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:35:21,885 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:35:21,885 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:35:21,885 INFO L794 eck$LassoCheckResult]: Stem: 1129#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 79];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 110];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 79];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 102];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 102];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 44];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 80];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 117];#memory_int := #memory_int[#t~string46.base,3 + #t~string46.offset := 109];#memory_int := #memory_int[#t~string46.base,4 + #t~string46.offset := 112];#memory_int := #memory_int[#t~string46.base,5 + #t~string46.offset := 58];#memory_int := #memory_int[#t~string46.base,6 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 79];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 110];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 79];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 102];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 102];#memory_int := #memory_int[#t~string50.base,3 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 41];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 32];#memory_int := #memory_int[#t~string52.base,2 + #t~string52.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 10];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(13);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 44];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 77];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 101];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 116];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 104];#memory_int := #memory_int[#t~string63.base,5 + #t~string63.offset := 58];#memory_int := #memory_int[#t~string63.base,6 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 67];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 82];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 73];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 84];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 75];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 41];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 1038#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; 1035#L778 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1036#L771 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 1041#L786 main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 1042#L132 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 1057#L103 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1058#L887 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1084#L699-3 [2018-11-18 08:35:21,885 INFO L796 eck$LassoCheckResult]: Loop: 1084#L699-3 assume true; 1109#L699-1 assume !false; 1229#L700 assume test_~splverifierCounter~0 < 4; 1228#L701 test_~tmp~6 := test_#t~nondet55;havoc test_#t~nondet55; 1227#L709 assume !(0 != test_~tmp~6); 1226#L709-2 test_~tmp___0~0 := test_#t~nondet56;havoc test_#t~nondet56; 1224#L719 assume !(0 != test_~tmp___0~0); 1222#L719-2 test_~tmp___2~0 := test_#t~nondet57;havoc test_#t~nondet57; 1141#L729 assume 0 != test_~tmp___2~0; 1097#L735-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret70;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; 1098#L633 __utac_acc__Specification5_spec__2_#t~ret70 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret70;havoc __utac_acc__Specification5_spec__2_#t~ret70; 1106#L897 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1130#L531 assume !(0 != ~pumpRunning~0); 1131#L531-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 1039#L563 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 1037#L555-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1034#L563-1 assume { :end_inline_processEnvironment } true; 1043#L538-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~7, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~7;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;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; 1193#L867 __utac_acc__Specification5_spec__3_#t~ret71 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; 1143#L908 assume 2 != __utac_acc__Specification5_spec__3_~tmp~7;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; 1144#L633-1 __utac_acc__Specification5_spec__3_#t~ret72 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~1 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; 1233#L912 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1); 1145#L908-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1088#L548 assume { :end_inline_timeShift } true; 1084#L699-3 [2018-11-18 08:35:21,885 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:35:21,886 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 08:35:21,886 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:35:21,886 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:35:21,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:21,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:35:21,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:21,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:21,919 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:35:21,919 INFO L82 PathProgramCache]: Analyzing trace with hash -1156981789, now seen corresponding path program 1 times [2018-11-18 08:35:21,919 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:35:21,919 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:35:21,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:21,920 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 08:35:21,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:21,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:21,928 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:35:21,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1393126452, now seen corresponding path program 1 times [2018-11-18 08:35:21,928 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:35:21,928 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:35:21,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:21,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:35:21,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:21,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:36:32,981 WARN L180 SmtUtils]: Spent 1.18 m on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 08:37:09,405 WARN L180 SmtUtils]: Spent 36.42 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 08:37:09,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:37:09 BoogieIcfgContainer [2018-11-18 08:37:09,468 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 08:37:09,469 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:37:09,469 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:37:09,469 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:37:09,469 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:35:20" (3/4) ... [2018-11-18 08:37:09,471 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 08:37:09,511 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4847bcd6-27e1-40af-906a-2e9c78f69117/bin-2019/uautomizer/witness.graphml [2018-11-18 08:37:09,511 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:37:09,512 INFO L168 Benchmark]: Toolchain (without parser) took 109556.33 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 296.7 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -289.2 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2018-11-18 08:37:09,513 INFO L168 Benchmark]: CDTParser took 0.12 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 08:37:09,513 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -200.3 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 08:37:09,513 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:37:09,514 INFO L168 Benchmark]: Boogie Preprocessor took 28.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:37:09,514 INFO L168 Benchmark]: RCFGBuilder took 536.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 71.7 MB). Peak memory consumption was 71.7 MB. Max. memory is 11.5 GB. [2018-11-18 08:37:09,514 INFO L168 Benchmark]: BuchiAutomizer took 108556.57 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 127.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -164.0 MB). Peak memory consumption was 320.3 MB. Max. memory is 11.5 GB. [2018-11-18 08:37:09,515 INFO L168 Benchmark]: Witness Printer took 42.94 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:37:09,516 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 350.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -200.3 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 536.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 71.7 MB). Peak memory consumption was 71.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 108556.57 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 127.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -164.0 MB). Peak memory consumption was 320.3 MB. Max. memory is 11.5 GB. * Witness Printer took 42.94 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 308 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 108.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 108.0s. 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, 219 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 308 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 345 SDtfs, 912 SDslu, 1144 SDs, 0 SdLazy, 109 SolverSat, 28 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: 699]: 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, retValue_acc=0, ",Pump:"=0, ",Pump:"=15, "Pump(System:"=0, "Off"=0, "Env(Water:%i"=0, ",Meth:"=36, "On"=0, methaneLevelCritical=0, tmp=1, "CRIT"=0, ")"=0, "__utac__get_this_argtype"=19, tmp=0, "OK"=0, tmp___1=0, "libacc.c"=24, "libacc.c"=28, "libacc.c"=33, "i > 0 && i <= this->argsCount"=26, cleanupTimeShifts=4, switchedOnBeforeTS=0, "i > 0 && i <= this->argsCount"=22, "On"=17, "Off"=12, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4eb0015b=0, "libacc.c"=0, "__utac__get_this_arg"=0, "libacc.c"=0, NULL=0, systemActive=1, waterLevel=1, ")"=39, \result=1, "libacc.c"=0, "__utac__get_this_argtype"=0, "Off"=16, "\n"=0, tmp___0=0, ") "=0, "Off"=0, \result=1, head=0, pumpRunning=0, tmp=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d31e91b=0, tmp___0=0, ") "=8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@75873a2f=0, "__utac__get_this_arg"=31, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6925f5fd=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, "On"=14, "OK"=38, "Env(Water:%i"=35, retValue_acc=1, "i > 0 && i <= this->argsCount"=29, retValue_acc=1, tmp___2=40, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@533857de=0, "__utac__get_this_argtype"=23, splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29287df3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2c48bf8a=40, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a2e52f0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2dbcf3a9=0, head=0, tmp=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=27, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=34, "libacc.c"=0, "libacc.c"=20, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "Pump(System:"=18, "\n"=11, "On"=0, "CRIT"=37, retValue_acc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 699]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L443] FCALL "i > 0 && i <= this->argsCount" [L443] FCALL "libacc.c" [L444] FCALL "__utac__get_this_arg" [L450] FCALL "i > 0 && i <= this->argsCount" [L450] FCALL "libacc.c" [L451] FCALL "__utac__get_this_arg" [L489] FCALL "i > 0 && i <= this->argsCount" [L489] FCALL "libacc.c" [L490] FCALL "__utac__get_this_argtype" [L496] FCALL "i > 0 && i <= this->argsCount" [L496] FCALL "libacc.c" [L497] FCALL "__utac__get_this_argtype" [L642] FCALL "Pump(System:" [L646] FCALL "On" [L650] FCALL "Off" [L654] FCALL ",Pump:" [L658] FCALL "On" [L662] FCALL "Off" [L666] FCALL ") " [L668] FCALL "\n" [L844] FCALL "Env(Water:%i" [L845] FCALL ",Meth:" [L849] FCALL "CRIT" [L853] FCALL "OK" [L857] FCALL ")" [L40] int cleanupTimeShifts = 4; [L519] int pumpRunning = 0; [L520] int systemActive = 1; [L792] int waterLevel = 1; [L793] int methaneLevelCritical = 0; [L881] int switchedOnBeforeTS ; [L315] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L123] int retValue_acc ; [L124] int tmp ; [L128] FCALL select_helpers() [L129] FCALL select_features() [L130] CALL, EXPR valid_product() [L782] int retValue_acc ; [L785] retValue_acc = 1 [L786] RET return (retValue_acc); [L130] EXPR valid_product() [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L134] FCALL setup() [L135] CALL runTest() [L113] CALL __utac_acc__Specification5_spec__1() [L886] RET switchedOnBeforeTS = 0 [L113] __utac_acc__Specification5_spec__1() [L114] CALL test() [L690] int splverifierCounter ; [L691] int tmp ; [L692] int tmp___0 ; [L693] int tmp___1 ; [L694] int tmp___2 ; [L697] splverifierCounter = 0 Loop: [L699] COND TRUE 1 [L701] COND TRUE splverifierCounter < 4 [L707] tmp = __VERIFIER_nondet_int() [L709] COND FALSE !(\read(tmp)) [L717] tmp___0 = __VERIFIER_nondet_int() [L719] COND FALSE !(\read(tmp___0)) [L727] tmp___2 = __VERIFIER_nondet_int() [L729] COND TRUE \read(tmp___2) [L744] CALL timeShift() [L529] CALL __utac_acc__Specification5_spec__2() [L895] CALL, EXPR isPumpRunning() [L629] int retValue_acc ; [L632] retValue_acc = pumpRunning [L633] RET return (retValue_acc); [L895] EXPR isPumpRunning() [L895] RET switchedOnBeforeTS = isPumpRunning() [L529] __utac_acc__Specification5_spec__2() [L531] COND FALSE !(\read(pumpRunning)) [L538] COND TRUE \read(systemActive) [L540] CALL processEnvironment() [L560] int tmp ; [L563] COND FALSE !(\read(pumpRunning)) [L578] RET, FCALL processEnvironment__wrappee__methaneQuery() [L540] processEnvironment() [L546] CALL __utac_acc__Specification5_spec__3() [L901] int tmp ; [L902] int tmp___0 ; [L906] CALL, EXPR getWaterLevel() [L863] int retValue_acc ; [L866] retValue_acc = waterLevel [L867] RET return (retValue_acc); [L906] EXPR getWaterLevel() [L906] tmp = getWaterLevel() [L908] COND TRUE tmp != 2 [L910] CALL, EXPR isPumpRunning() [L629] int retValue_acc ; [L632] retValue_acc = pumpRunning [L633] RET return (retValue_acc); [L910] EXPR isPumpRunning() [L910] tmp___0 = isPumpRunning() [L912] COND FALSE, RET !(\read(tmp___0)) [L546] RET __utac_acc__Specification5_spec__3() [L744] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...