./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product58_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_ac31ea3c-ef7b-46f0-874a-bf027f748dad/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ac31ea3c-ef7b-46f0-874a-bf027f748dad/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ac31ea3c-ef7b-46f0-874a-bf027f748dad/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ac31ea3c-ef7b-46f0-874a-bf027f748dad/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product58_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ac31ea3c-ef7b-46f0-874a-bf027f748dad/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ac31ea3c-ef7b-46f0-874a-bf027f748dad/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 454aaa6b423a8831b8582dfeb545ec6b3447f968 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:31:38,247 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:31:38,248 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:31:38,254 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:31:38,254 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:31:38,255 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:31:38,256 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:31:38,257 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:31:38,258 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:31:38,259 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:31:38,259 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:31:38,259 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:31:38,260 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:31:38,260 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:31:38,261 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:31:38,261 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:31:38,262 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:31:38,263 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:31:38,264 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:31:38,265 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:31:38,266 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:31:38,266 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:31:38,268 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:31:38,268 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:31:38,268 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:31:38,268 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:31:38,269 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:31:38,270 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:31:38,270 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:31:38,271 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:31:38,271 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:31:38,272 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:31:38,272 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:31:38,272 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:31:38,273 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:31:38,273 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:31:38,273 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ac31ea3c-ef7b-46f0-874a-bf027f748dad/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 13:31:38,282 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:31:38,283 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:31:38,283 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:31:38,284 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:31:38,284 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:31:38,284 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 13:31:38,284 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 13:31:38,284 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 13:31:38,284 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 13:31:38,284 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 13:31:38,284 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 13:31:38,285 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:31:38,285 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:31:38,285 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 13:31:38,285 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:31:38,285 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:31:38,285 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:31:38,285 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 13:31:38,286 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 13:31:38,286 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 13:31:38,286 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:31:38,286 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:31:38,286 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 13:31:38,286 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:31:38,286 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 13:31:38,287 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:31:38,287 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:31:38,287 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 13:31:38,287 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:31:38,287 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 13:31:38,287 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 13:31:38,288 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 13:31:38,288 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_ac31ea3c-ef7b-46f0-874a-bf027f748dad/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 -> 454aaa6b423a8831b8582dfeb545ec6b3447f968 [2018-11-18 13:31:38,311 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:31:38,320 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:31:38,322 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:31:38,323 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:31:38,324 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:31:38,324 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ac31ea3c-ef7b-46f0-874a-bf027f748dad/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product58_true-unreach-call_false-termination.cil.c [2018-11-18 13:31:38,363 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ac31ea3c-ef7b-46f0-874a-bf027f748dad/bin-2019/uautomizer/data/ec8b2def5/96fabc2066f947ada429f8ebfd0a0de4/FLAGe805e028e [2018-11-18 13:31:38,795 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:31:38,795 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ac31ea3c-ef7b-46f0-874a-bf027f748dad/sv-benchmarks/c/product-lines/minepump_spec1_product58_true-unreach-call_false-termination.cil.c [2018-11-18 13:31:38,802 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ac31ea3c-ef7b-46f0-874a-bf027f748dad/bin-2019/uautomizer/data/ec8b2def5/96fabc2066f947ada429f8ebfd0a0de4/FLAGe805e028e [2018-11-18 13:31:38,812 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ac31ea3c-ef7b-46f0-874a-bf027f748dad/bin-2019/uautomizer/data/ec8b2def5/96fabc2066f947ada429f8ebfd0a0de4 [2018-11-18 13:31:38,815 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:31:38,816 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:31:38,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:31:38,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:31:38,820 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:31:38,821 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:31:38" (1/1) ... [2018-11-18 13:31:38,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70682c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:38, skipping insertion in model container [2018-11-18 13:31:38,823 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:31:38" (1/1) ... [2018-11-18 13:31:38,831 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:31:38,865 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:31:39,059 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:31:39,068 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:31:39,163 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:31:39,181 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:31:39,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:39 WrapperNode [2018-11-18 13:31:39,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:31:39,182 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:31:39,182 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:31:39,182 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:31:39,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:39" (1/1) ... [2018-11-18 13:31:39,200 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:39" (1/1) ... [2018-11-18 13:31:39,231 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:31:39,231 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:31:39,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:31:39,231 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:31:39,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:39" (1/1) ... [2018-11-18 13:31:39,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:39" (1/1) ... [2018-11-18 13:31:39,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:39" (1/1) ... [2018-11-18 13:31:39,242 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:39" (1/1) ... [2018-11-18 13:31:39,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:39" (1/1) ... [2018-11-18 13:31:39,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:39" (1/1) ... [2018-11-18 13:31:39,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:39" (1/1) ... [2018-11-18 13:31:39,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:31:39,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:31:39,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:31:39,263 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:31:39,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ac31ea3c-ef7b-46f0-874a-bf027f748dad/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 13:31:39,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:31:39,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:31:39,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:31:39,933 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:31:39,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:31:39 BoogieIcfgContainer [2018-11-18 13:31:39,933 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:31:39,934 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 13:31:39,934 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 13:31:39,936 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 13:31:39,937 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:31:39,937 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 01:31:38" (1/3) ... [2018-11-18 13:31:39,937 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e81bc76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:31:39, skipping insertion in model container [2018-11-18 13:31:39,937 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:31:39,937 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:31:39" (2/3) ... [2018-11-18 13:31:39,938 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e81bc76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:31:39, skipping insertion in model container [2018-11-18 13:31:39,938 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:31:39,939 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:31:39" (3/3) ... [2018-11-18 13:31:39,941 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product58_true-unreach-call_false-termination.cil.c [2018-11-18 13:31:39,973 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:31:39,973 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 13:31:39,973 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 13:31:39,973 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 13:31:39,973 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:31:39,974 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:31:39,974 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 13:31:39,974 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:31:39,974 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 13:31:39,988 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 189 states. [2018-11-18 13:31:40,006 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 123 [2018-11-18 13:31:40,006 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:31:40,006 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:31:40,011 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:31:40,011 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:31:40,011 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 13:31:40,011 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 189 states. [2018-11-18 13:31:40,017 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 123 [2018-11-18 13:31:40,017 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:31:40,017 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:31:40,018 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:31:40,018 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:31:40,023 INFO L794 eck$LassoCheckResult]: Stem: 155#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(13);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 110];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,3 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 44];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 80];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 117];#memory_int := #memory_int[#t~string22.base,3 + #t~string22.offset := 109];#memory_int := #memory_int[#t~string22.base,4 + #t~string22.offset := 112];#memory_int := #memory_int[#t~string22.base,5 + #t~string22.offset := 58];#memory_int := #memory_int[#t~string22.base,6 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 79];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 110];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 79];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 102];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 102];#memory_int := #memory_int[#t~string26.base,3 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 41];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 32];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 10];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(21);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(30);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(9);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 168#L605true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 91#L598true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 190#L613true main_#t~ret10 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 135#L248true assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 47#L221true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 125#L526-3true [2018-11-18 13:31:40,023 INFO L796 eck$LassoCheckResult]: Loop: 125#L526-3true assume true; 119#L526-1true assume !false; 37#L527true assume test_~splverifierCounter~0 < 4; 172#L528true test_~tmp~7 := test_#t~nondet35;havoc test_#t~nondet35; 175#L536true assume !(0 != test_~tmp~7); 178#L536-2true test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; 45#L546true assume !(0 != test_~tmp___0~3); 52#L546-2true test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 148#L556true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 19#L486true assume { :end_inline_startSystem } true; 157#L564-2true assume { :begin_inline_timeShift } true; 6#L274true assume !(0 != ~pumpRunning~0); 4#L274-2true assume !(0 != ~systemActive~0); 136#L281-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 73#L100-2true __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; 158#L498true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); 161#L498-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 189#L291true assume { :end_inline_timeShift } true; 125#L526-3true [2018-11-18 13:31:40,027 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:31:40,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 13:31:40,029 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:31:40,029 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:31:40,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:40,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:31:40,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:31:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:31:40,175 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:31:40,176 INFO L82 PathProgramCache]: Analyzing trace with hash 495606035, now seen corresponding path program 1 times [2018-11-18 13:31:40,176 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:31:40,176 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:31:40,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:40,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:31:40,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:40,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:31:40,212 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:31:40,212 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:31:40,215 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 13:31:40,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:31:40,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:31:40,225 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 3 states. [2018-11-18 13:31:40,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:31:40,263 INFO L93 Difference]: Finished difference Result 186 states and 242 transitions. [2018-11-18 13:31:40,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:31:40,265 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 186 states and 242 transitions. [2018-11-18 13:31:40,267 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 119 [2018-11-18 13:31:40,270 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 186 states to 176 states and 231 transitions. [2018-11-18 13:31:40,271 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 176 [2018-11-18 13:31:40,272 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 176 [2018-11-18 13:31:40,272 INFO L73 IsDeterministic]: Start isDeterministic. Operand 176 states and 231 transitions. [2018-11-18 13:31:40,273 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:31:40,273 INFO L705 BuchiCegarLoop]: Abstraction has 176 states and 231 transitions. [2018-11-18 13:31:40,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states and 231 transitions. [2018-11-18 13:31:40,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2018-11-18 13:31:40,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-11-18 13:31:40,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 231 transitions. [2018-11-18 13:31:40,294 INFO L728 BuchiCegarLoop]: Abstraction has 176 states and 231 transitions. [2018-11-18 13:31:40,294 INFO L608 BuchiCegarLoop]: Abstraction has 176 states and 231 transitions. [2018-11-18 13:31:40,295 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 13:31:40,295 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 176 states and 231 transitions. [2018-11-18 13:31:40,296 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 119 [2018-11-18 13:31:40,297 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:31:40,297 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:31:40,297 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:31:40,297 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] [2018-11-18 13:31:40,298 INFO L794 eck$LassoCheckResult]: Stem: 552#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(13);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 110];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,3 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 44];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 80];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 117];#memory_int := #memory_int[#t~string22.base,3 + #t~string22.offset := 109];#memory_int := #memory_int[#t~string22.base,4 + #t~string22.offset := 112];#memory_int := #memory_int[#t~string22.base,5 + #t~string22.offset := 58];#memory_int := #memory_int[#t~string22.base,6 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 79];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 110];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 79];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 102];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 102];#memory_int := #memory_int[#t~string26.base,3 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 41];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 32];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 10];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(21);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(30);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(9);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 403#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 404#L605 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 514#L598 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 515#L613 main_#t~ret10 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 542#L248 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 460#L221 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 461#L526-3 [2018-11-18 13:31:40,298 INFO L796 eck$LassoCheckResult]: Loop: 461#L526-3 assume true; 536#L526-1 assume !false; 446#L527 assume test_~splverifierCounter~0 < 4; 447#L528 test_~tmp~7 := test_#t~nondet35;havoc test_#t~nondet35; 559#L536 assume !(0 != test_~tmp~7); 469#L536-2 test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; 456#L546 assume !(0 != test_~tmp___0~3); 411#L546-2 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 463#L556 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet38;havoc test_#t~nondet38; 548#L564 assume 0 != test_~tmp___1~0; 416#L564-2 assume { :begin_inline_timeShift } true; 391#L274 assume !(0 != ~pumpRunning~0); 387#L274-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 388#L332 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 389#L306-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 457#L298-3 assume { :end_inline_processEnvironment__wrappee__base } true; 458#L306-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 396#L332-1 assume { :end_inline_processEnvironment } true; 397#L281-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 489#L100-2 __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; 490#L498 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); 459#L498-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 554#L291 assume { :end_inline_timeShift } true; 461#L526-3 [2018-11-18 13:31:40,298 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:31:40,298 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 13:31:40,298 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:31:40,298 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:31:40,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:40,299 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:31:40,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:31:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:31:40,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:31:40,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1746598882, now seen corresponding path program 1 times [2018-11-18 13:31:40,349 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:31:40,349 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:31:40,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:40,351 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:31:40,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:40,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:31:40,376 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:31:40,376 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:31:40,376 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 13:31:40,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:31:40,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:31:40,377 INFO L87 Difference]: Start difference. First operand 176 states and 231 transitions. cyclomatic complexity: 57 Second operand 3 states. [2018-11-18 13:31:40,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:31:40,461 INFO L93 Difference]: Finished difference Result 240 states and 302 transitions. [2018-11-18 13:31:40,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:31:40,462 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 240 states and 302 transitions. [2018-11-18 13:31:40,464 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 168 [2018-11-18 13:31:40,466 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 240 states to 240 states and 302 transitions. [2018-11-18 13:31:40,466 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 240 [2018-11-18 13:31:40,467 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 240 [2018-11-18 13:31:40,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 240 states and 302 transitions. [2018-11-18 13:31:40,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:31:40,468 INFO L705 BuchiCegarLoop]: Abstraction has 240 states and 302 transitions. [2018-11-18 13:31:40,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states and 302 transitions. [2018-11-18 13:31:40,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2018-11-18 13:31:40,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2018-11-18 13:31:40,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 302 transitions. [2018-11-18 13:31:40,478 INFO L728 BuchiCegarLoop]: Abstraction has 240 states and 302 transitions. [2018-11-18 13:31:40,478 INFO L608 BuchiCegarLoop]: Abstraction has 240 states and 302 transitions. [2018-11-18 13:31:40,479 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 13:31:40,479 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 240 states and 302 transitions. [2018-11-18 13:31:40,480 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 168 [2018-11-18 13:31:40,480 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:31:40,480 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:31:40,482 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:31:40,482 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, 1, 1, 1, 1, 1] [2018-11-18 13:31:40,482 INFO L794 eck$LassoCheckResult]: Stem: 984#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(13);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 110];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,3 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 44];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 80];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 117];#memory_int := #memory_int[#t~string22.base,3 + #t~string22.offset := 109];#memory_int := #memory_int[#t~string22.base,4 + #t~string22.offset := 112];#memory_int := #memory_int[#t~string22.base,5 + #t~string22.offset := 58];#memory_int := #memory_int[#t~string22.base,6 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 79];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 110];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 79];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 102];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 102];#memory_int := #memory_int[#t~string26.base,3 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 41];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 32];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 10];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(21);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(30);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(9);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 821#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 822#L605 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 934#L598 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 935#L613 main_#t~ret10 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 971#L248 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 879#L221 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 880#L526-3 [2018-11-18 13:31:40,483 INFO L796 eck$LassoCheckResult]: Loop: 880#L526-3 assume true; 1002#L526-1 assume !false; 998#L527 assume test_~splverifierCounter~0 < 4; 999#L528 test_~tmp~7 := test_#t~nondet35;havoc test_#t~nondet35; 1017#L536 assume !(0 != test_~tmp~7); 1014#L536-2 test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; 1011#L546 assume !(0 != test_~tmp___0~3); 1009#L546-2 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 1008#L556 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1005#L486 assume { :end_inline_startSystem } true; 1003#L564-2 assume { :begin_inline_timeShift } true; 811#L274 assume !(0 != ~pumpRunning~0); 808#L274-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 809#L332 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 810#L306-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret31, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 952#L140-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 993#L145-1 isHighWaterLevel_#t~ret31 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret31;havoc isHighWaterLevel_#t~ret31; 932#L452-3 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~0 := 0; 933#L452-5 isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; 845#L458-1 processEnvironment__wrappee__highWaterSensor_#t~ret11 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret11;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11; 846#L310-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1);assume { :begin_inline_processEnvironment__wrappee__base } true; 882#L298-2 assume { :end_inline_processEnvironment__wrappee__base } true; 883#L306-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 840#L332-1 assume { :end_inline_processEnvironment } true; 1044#L281-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 1043#L100-2 __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; 1041#L498 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); 1039#L498-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 1038#L291 assume { :end_inline_timeShift } true; 880#L526-3 [2018-11-18 13:31:40,483 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:31:40,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 13:31:40,483 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:31:40,483 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:31:40,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:40,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:31:40,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:31:40,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:31:40,521 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:31:40,521 INFO L82 PathProgramCache]: Analyzing trace with hash -34295333, now seen corresponding path program 1 times [2018-11-18 13:31:40,521 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:31:40,521 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:31:40,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:40,522 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:31:40,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:31:40,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:31:40,535 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:31:40,536 INFO L82 PathProgramCache]: Analyzing trace with hash -160030057, now seen corresponding path program 1 times [2018-11-18 13:31:40,536 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:31:40,536 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:31:40,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:40,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:31:40,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:31:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:32:21,939 WARN L180 SmtUtils]: Spent 41.24 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 13:32:32,553 WARN L180 SmtUtils]: Spent 10.61 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 13:32:32,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 01:32:32 BoogieIcfgContainer [2018-11-18 13:32:32,622 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 13:32:32,623 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:32:32,623 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:32:32,623 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:32:32,623 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:31:39" (3/4) ... [2018-11-18 13:32:32,625 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 13:32:32,673 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ac31ea3c-ef7b-46f0-874a-bf027f748dad/bin-2019/uautomizer/witness.graphml [2018-11-18 13:32:32,673 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:32:32,674 INFO L168 Benchmark]: Toolchain (without parser) took 53858.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 956.6 MB in the beginning and 980.8 MB in the end (delta: -24.2 MB). Peak memory consumption was 141.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:32:32,675 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:32:32,675 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -170.6 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:32:32,675 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.59 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:32:32,675 INFO L168 Benchmark]: Boogie Preprocessor took 31.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:32:32,676 INFO L168 Benchmark]: RCFGBuilder took 670.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 77.2 MB). Peak memory consumption was 77.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:32:32,676 INFO L168 Benchmark]: BuchiAutomizer took 52688.74 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 27.3 MB). Free memory was 1.0 GB in the beginning and 986.6 MB in the end (delta: 58.0 MB). Peak memory consumption was 182.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:32:32,676 INFO L168 Benchmark]: Witness Printer took 50.67 ms. Allocated memory is still 1.2 GB. Free memory was 986.6 MB in the beginning and 980.8 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:32:32,680 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 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 364.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -170.6 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.59 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 670.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 77.2 MB). Peak memory consumption was 77.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 52688.74 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 27.3 MB). Free memory was 1.0 GB in the beginning and 986.6 MB in the end (delta: 58.0 MB). Peak memory consumption was 182.4 MB. Max. memory is 11.5 GB. * Witness Printer took 50.67 ms. Allocated memory is still 1.2 GB. Free memory was 986.6 MB in the beginning and 980.8 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 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 3 locations. The remainder module has 240 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 52.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 52.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 240 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 455 SDtfs, 401 SDslu, 104 SDs, 0 SdLazy, 33 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 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: 526]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, retValue_acc=0, "libacc.c"=0, "Env(Water:%i"=36, "__utac__get_this_arg"=0, retValue_acc=0, "libacc.c"=38, "OK"=33, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=0, "__utac__get_this_arg"=14, "__utac__get_this_argtype"=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1778df02=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31b7ffdc=0, retValue_acc=1, tmp___0=0, "__utac__get_this_argtype"=0, "libacc.c"=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b9cbef5=0, "libacc.c"=8, "i > 0 && i <= this->argsCount"=0, retValue_acc=0, tmp___1=0, tmp___0=0, "Off"=27, ") "=22, cleanupTimeShifts=4, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@436888a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@53004c27=152, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@34df6aa1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@75ea2f01=0, NULL=0, systemActive=1, waterLevel=1, "__utac__get_this_argtype"=11, "\n"=0, "i > 0 && i <= this->argsCount"=19, \result=0, "__utac__get_this_arg"=17, "i > 0 && i <= this->argsCount"=0, \result=1, "On"=28, head=0, pumpRunning=0, tmp=1, \result=0, tmp=0, retValue_acc=1, "i > 0 && i <= this->argsCount"=0, "Pump(System:"=0, "On"=0, \result=1, "i > 0 && i <= this->argsCount"=12, "i > 0 && i <= this->argsCount"=16, ",Pump:"=26, "__utac__get_this_argtype"=0, "libacc.c"=0, tmp=1, "CRIT"=34, tmp___0=0, tmp___2=152, "\n"=20, "Off"=23, splverifierCounter=0, "Env(Water:%i"=0, ",Meth:"=0, "libacc.c"=0, ")"=0, "OK"=0, "CRIT"=0, \result=0, ")"=31, "i > 0 && i <= this->argsCount"=37, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37eeab16=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45be30ea=0, "libacc.c"=18, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@638de725=0, head=0, "Off"=0, ") "=0, "On"=24, "On"=0, "Off"=0, "Pump(System:"=29, ",Meth:"=35, ",Pump:"=0, "libacc.c"=15} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 526]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L109] FCALL "Env(Water:%i" [L110] FCALL ",Meth:" [L114] FCALL "CRIT" [L118] FCALL "OK" [L122] FCALL ")" [L412] FCALL "Pump(System:" [L416] FCALL "On" [L420] FCALL "Off" [L424] FCALL ",Pump:" [L428] FCALL "On" [L432] FCALL "Off" [L436] FCALL ") " [L438] FCALL "\n" [L915] FCALL "i > 0 && i <= this->argsCount" [L915] FCALL "libacc.c" [L916] FCALL "__utac__get_this_arg" [L922] FCALL "i > 0 && i <= this->argsCount" [L922] FCALL "libacc.c" [L923] FCALL "__utac__get_this_arg" [L961] FCALL "i > 0 && i <= this->argsCount" [L961] FCALL "libacc.c" [L962] FCALL "__utac__get_this_argtype" [L968] FCALL "i > 0 && i <= this->argsCount" [L968] FCALL "libacc.c" [L969] FCALL "__utac__get_this_argtype" [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L160] int cleanupTimeShifts = 4; [L266] int pumpRunning = 0; [L267] int systemActive = 1; [L787] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L239] int retValue_acc ; [L240] int tmp ; [L244] FCALL select_helpers() [L245] FCALL select_features() [L246] CALL, EXPR valid_product() [L609] int retValue_acc ; [L612] retValue_acc = 1 [L613] RET return (retValue_acc); [L246] EXPR valid_product() [L246] tmp = valid_product() [L248] COND TRUE \read(tmp) [L250] FCALL setup() [L251] CALL runTest() [L230] CALL test() [L517] int splverifierCounter ; [L518] int tmp ; [L519] int tmp___0 ; [L520] int tmp___1 ; [L521] int tmp___2 ; [L524] splverifierCounter = 0 Loop: [L526] COND TRUE 1 [L528] COND TRUE splverifierCounter < 4 [L534] tmp = __VERIFIER_nondet_int() [L536] COND FALSE !(\read(tmp)) [L544] tmp___0 = __VERIFIER_nondet_int() [L546] COND FALSE !(\read(tmp___0)) [L554] tmp___2 = __VERIFIER_nondet_int() [L556] COND TRUE \read(tmp___2) [L558] CALL startSystem() [L485] RET systemActive = 1 [L558] startSystem() [L571] CALL timeShift() [L274] COND FALSE !(\read(pumpRunning)) [L281] COND TRUE \read(systemActive) [L283] CALL processEnvironment() [L329] int tmp ; [L332] COND FALSE !(\read(pumpRunning)) [L347] CALL processEnvironment__wrappee__highWaterSensor() [L303] int tmp ; [L306] COND TRUE ! pumpRunning [L308] CALL, EXPR isHighWaterLevel() [L444] int retValue_acc ; [L445] int tmp ; [L446] int tmp___0 ; [L450] CALL, EXPR isHighWaterSensorDry() [L137] int retValue_acc ; [L140] COND TRUE waterLevel < 2 [L141] retValue_acc = 1 [L142] RET return (retValue_acc); [L450] EXPR isHighWaterSensorDry() [L450] tmp = isHighWaterSensorDry() [L452] COND TRUE \read(tmp) [L453] tmp___0 = 0 [L457] retValue_acc = tmp___0 [L458] RET return (retValue_acc); [L308] EXPR isHighWaterLevel() [L308] tmp = isHighWaterLevel() [L310] COND FALSE !(\read(tmp)) [L316] RET, FCALL processEnvironment__wrappee__base() [L347] RET processEnvironment__wrappee__highWaterSensor() [L283] processEnvironment() [L289] CALL __utac_acc__Specification1_spec__1() [L491] int tmp ; [L492] int tmp___0 ; [L496] CALL, EXPR isMethaneLevelCritical() [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] RET return (retValue_acc); [L496] EXPR isMethaneLevelCritical() [L496] tmp = isMethaneLevelCritical() [L498] COND FALSE, RET !(\read(tmp)) [L289] RET __utac_acc__Specification1_spec__1() [L571] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...