./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product59_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_74b28378-0389-4f5a-b930-7dc0309b0f71/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_74b28378-0389-4f5a-b930-7dc0309b0f71/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_74b28378-0389-4f5a-b930-7dc0309b0f71/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_74b28378-0389-4f5a-b930-7dc0309b0f71/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product59_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_74b28378-0389-4f5a-b930-7dc0309b0f71/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_74b28378-0389-4f5a-b930-7dc0309b0f71/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 5a35b365de7365eb1088366c2b8165f4a523d787 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:34:28,293 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:34:28,295 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:34:28,303 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:34:28,304 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:34:28,304 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:34:28,305 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:34:28,307 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:34:28,308 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:34:28,308 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:34:28,309 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:34:28,310 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:34:28,310 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:34:28,311 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:34:28,312 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:34:28,312 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:34:28,313 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:34:28,315 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:34:28,316 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:34:28,317 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:34:28,318 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:34:28,319 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:34:28,321 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:34:28,321 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:34:28,321 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:34:28,322 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:34:28,322 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:34:28,323 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:34:28,323 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:34:28,324 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:34:28,324 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:34:28,324 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:34:28,324 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:34:28,324 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:34:28,325 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:34:28,325 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:34:28,325 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_74b28378-0389-4f5a-b930-7dc0309b0f71/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 08:34:28,333 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:34:28,333 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:34:28,334 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:34:28,334 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:34:28,334 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 08:34:28,335 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 08:34:28,335 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 08:34:28,335 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 08:34:28,335 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 08:34:28,335 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 08:34:28,335 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 08:34:28,336 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:34:28,336 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:34:28,336 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 08:34:28,336 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:34:28,336 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:34:28,336 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:34:28,337 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 08:34:28,337 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 08:34:28,337 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 08:34:28,337 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:34:28,337 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:34:28,337 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 08:34:28,337 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:34:28,338 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 08:34:28,338 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:34:28,338 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:34:28,338 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 08:34:28,338 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:34:28,338 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 08:34:28,338 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 08:34:28,339 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 08:34:28,339 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_74b28378-0389-4f5a-b930-7dc0309b0f71/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 -> 5a35b365de7365eb1088366c2b8165f4a523d787 [2018-11-18 08:34:28,363 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:34:28,373 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:34:28,375 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:34:28,376 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:34:28,376 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:34:28,377 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_74b28378-0389-4f5a-b930-7dc0309b0f71/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product59_true-unreach-call_false-termination.cil.c [2018-11-18 08:34:28,414 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_74b28378-0389-4f5a-b930-7dc0309b0f71/bin-2019/uautomizer/data/2ca117a39/2fd034f6001f471db5d7c915f7124c58/FLAG9c576be2a [2018-11-18 08:34:28,881 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:34:28,882 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_74b28378-0389-4f5a-b930-7dc0309b0f71/sv-benchmarks/c/product-lines/minepump_spec4_product59_true-unreach-call_false-termination.cil.c [2018-11-18 08:34:28,892 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_74b28378-0389-4f5a-b930-7dc0309b0f71/bin-2019/uautomizer/data/2ca117a39/2fd034f6001f471db5d7c915f7124c58/FLAG9c576be2a [2018-11-18 08:34:28,903 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_74b28378-0389-4f5a-b930-7dc0309b0f71/bin-2019/uautomizer/data/2ca117a39/2fd034f6001f471db5d7c915f7124c58 [2018-11-18 08:34:28,905 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:34:28,906 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:34:28,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:28,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:34:28,909 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:34:28,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:28" (1/1) ... [2018-11-18 08:34:28,912 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 08:34:28, skipping insertion in model container [2018-11-18 08:34:28,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:28" (1/1) ... [2018-11-18 08:34:28,918 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:34:28,948 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:34:29,138 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:29,146 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:34:29,246 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:29,262 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:34:29,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29 WrapperNode [2018-11-18 08:34:29,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:29,263 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:34:29,263 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:34:29,263 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:34:29,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,282 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:34:29,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:34:29,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:34:29,315 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:34:29,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:34:29,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:34:29,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:34:29,351 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:34:29,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_74b28378-0389-4f5a-b930-7dc0309b0f71/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 08:34:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 08:34:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:34:29,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:34:30,032 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:34:30,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:30 BoogieIcfgContainer [2018-11-18 08:34:30,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:34:30,033 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 08:34:30,034 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 08:34:30,036 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 08:34:30,037 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:30,037 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:34:28" (1/3) ... [2018-11-18 08:34:30,038 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@688de16f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:34:30, skipping insertion in model container [2018-11-18 08:34:30,038 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:30,039 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (2/3) ... [2018-11-18 08:34:30,039 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@688de16f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:34:30, skipping insertion in model container [2018-11-18 08:34:30,039 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:30,039 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:30" (3/3) ... [2018-11-18 08:34:30,040 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product59_true-unreach-call_false-termination.cil.c [2018-11-18 08:34:30,084 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 08:34:30,085 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 08:34:30,085 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 08:34:30,085 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 08:34:30,085 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:34:30,085 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:34:30,085 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 08:34:30,086 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:34:30,086 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 08:34:30,102 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 192 states. [2018-11-18 08:34:30,125 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 126 [2018-11-18 08:34:30,125 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:30,126 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:30,132 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:30,132 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:30,132 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 08:34:30,132 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 192 states. [2018-11-18 08:34:30,139 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 126 [2018-11-18 08:34:30,139 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:30,139 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:30,140 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:30,140 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:30,144 INFO L794 eck$LassoCheckResult]: Stem: 171#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(13);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 110];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 102];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 102];#memory_int := #memory_int[#t~string16.base,3 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 44];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 80];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 117];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 109];#memory_int := #memory_int[#t~string18.base,4 + #t~string18.offset := 112];#memory_int := #memory_int[#t~string18.base,5 + #t~string18.offset := 58];#memory_int := #memory_int[#t~string18.base,6 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 110];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 79];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 102];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 102];#memory_int := #memory_int[#t~string22.base,3 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 41];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 32];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 10];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(13);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 44];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 77];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 101];#memory_int := #memory_int[#t~string33.base,3 + #t~string33.offset := 116];#memory_int := #memory_int[#t~string33.base,4 + #t~string33.offset := 104];#memory_int := #memory_int[#t~string33.base,5 + #t~string33.offset := 58];#memory_int := #memory_int[#t~string33.base,6 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 67];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 82];#memory_int := #memory_int[#t~string35.base,2 + #t~string35.offset := 73];#memory_int := #memory_int[#t~string35.base,3 + #t~string35.offset := 84];#memory_int := #memory_int[#t~string35.base,4 + #t~string35.offset := 0];call #t~string37.base, #t~string37.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string37.base,#t~string37.offset := 79];#memory_int := #memory_int[#t~string37.base,1 + #t~string37.offset := 75];#memory_int := #memory_int[#t~string37.base,2 + #t~string37.offset := 0];call #t~string39.base, #t~string39.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string39.base,#t~string39.offset := 41];#memory_int := #memory_int[#t~string39.base,1 + #t~string39.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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 22#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret29, main_~retValue_acc~6, main_~tmp~7;havoc main_~retValue_acc~6;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 27#L65true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 123#L58true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 19#L73true main_#t~ret29 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret29;havoc main_#t~ret29; 76#L499true assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 176#L476true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 80#L122-3true [2018-11-18 08:34:30,145 INFO L796 eck$LassoCheckResult]: Loop: 80#L122-3true assume true; 86#L122-1true assume !false; 188#L123true assume test_~splverifierCounter~0 < 4; 131#L124true test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; 181#L132true assume !(0 != test_~tmp~1); 177#L132-2true test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; 38#L142true assume !(0 != test_~tmp___0~1); 29#L142-2true test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; 116#L152true assume 0 != test_~tmp___2~0; 44#L158-2true assume { :begin_inline_timeShift } true; 51#L194true assume !(0 != ~pumpRunning~0); 50#L194-2true assume !(0 != ~systemActive~0); 138#L201-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 14#L588true __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; 87#L89true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 84#L89-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 192#L211true assume { :end_inline_timeShift } true; 80#L122-3true [2018-11-18 08:34:30,148 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 08:34:30,150 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,150 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:30,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,316 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,316 INFO L82 PathProgramCache]: Analyzing trace with hash -545943917, now seen corresponding path program 1 times [2018-11-18 08:34:30,317 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,317 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:30,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,330 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1477625521, now seen corresponding path program 1 times [2018-11-18 08:34:30,330 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,331 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:30,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:30,475 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 08:34:30,477 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:30,477 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 08:34:30,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:34:30,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:34:30,574 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 6 states. [2018-11-18 08:34:30,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:30,793 INFO L93 Difference]: Finished difference Result 437 states and 569 transitions. [2018-11-18 08:34:30,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 08:34:30,795 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 437 states and 569 transitions. [2018-11-18 08:34:30,802 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 285 [2018-11-18 08:34:30,809 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 437 states to 407 states and 539 transitions. [2018-11-18 08:34:30,810 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 407 [2018-11-18 08:34:30,812 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 407 [2018-11-18 08:34:30,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 407 states and 539 transitions. [2018-11-18 08:34:30,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:34:30,815 INFO L705 BuchiCegarLoop]: Abstraction has 407 states and 539 transitions. [2018-11-18 08:34:30,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states and 539 transitions. [2018-11-18 08:34:30,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 233. [2018-11-18 08:34:30,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2018-11-18 08:34:30,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 308 transitions. [2018-11-18 08:34:30,849 INFO L728 BuchiCegarLoop]: Abstraction has 233 states and 308 transitions. [2018-11-18 08:34:30,849 INFO L608 BuchiCegarLoop]: Abstraction has 233 states and 308 transitions. [2018-11-18 08:34:30,849 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 08:34:30,849 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 233 states and 308 transitions. [2018-11-18 08:34:30,851 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 164 [2018-11-18 08:34:30,852 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:30,852 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:30,852 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:30,853 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 08:34:30,853 INFO L794 eck$LassoCheckResult]: Stem: 819#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(13);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 110];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 102];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 102];#memory_int := #memory_int[#t~string16.base,3 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 44];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 80];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 117];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 109];#memory_int := #memory_int[#t~string18.base,4 + #t~string18.offset := 112];#memory_int := #memory_int[#t~string18.base,5 + #t~string18.offset := 58];#memory_int := #memory_int[#t~string18.base,6 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 110];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 79];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 102];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 102];#memory_int := #memory_int[#t~string22.base,3 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 41];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 32];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 10];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(13);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 44];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 77];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 101];#memory_int := #memory_int[#t~string33.base,3 + #t~string33.offset := 116];#memory_int := #memory_int[#t~string33.base,4 + #t~string33.offset := 104];#memory_int := #memory_int[#t~string33.base,5 + #t~string33.offset := 58];#memory_int := #memory_int[#t~string33.base,6 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 67];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 82];#memory_int := #memory_int[#t~string35.base,2 + #t~string35.offset := 73];#memory_int := #memory_int[#t~string35.base,3 + #t~string35.offset := 84];#memory_int := #memory_int[#t~string35.base,4 + #t~string35.offset := 0];call #t~string37.base, #t~string37.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string37.base,#t~string37.offset := 79];#memory_int := #memory_int[#t~string37.base,1 + #t~string37.offset := 75];#memory_int := #memory_int[#t~string37.base,2 + #t~string37.offset := 0];call #t~string39.base, #t~string39.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string39.base,#t~string39.offset := 41];#memory_int := #memory_int[#t~string39.base,1 + #t~string39.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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 674#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret29, main_~retValue_acc~6, main_~tmp~7;havoc main_~retValue_acc~6;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 675#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 685#L58 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 670#L73 main_#t~ret29 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret29;havoc main_#t~ret29; 671#L499 assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 754#L476 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 759#L122-3 [2018-11-18 08:34:30,853 INFO L796 eck$LassoCheckResult]: Loop: 759#L122-3 assume true; 760#L122-1 assume !false; 763#L123 assume test_~splverifierCounter~0 < 4; 795#L124 test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; 796#L132 assume !(0 != test_~tmp~1); 823#L132-2 test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; 703#L142 assume !(0 != test_~tmp___0~1); 688#L142-2 test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; 689#L152 assume 0 != test_~tmp___2~0; 712#L158-2 assume { :begin_inline_timeShift } true; 713#L194 assume !(0 != ~pumpRunning~0); 705#L194-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 660#L252 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret7, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; 662#L226-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 783#L218-3 assume { :end_inline_processEnvironment__wrappee__base } true; 784#L226-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 654#L252-1 assume { :end_inline_processEnvironment } true; 655#L201-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 665#L588 __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; 666#L89 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 761#L89-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 762#L211 assume { :end_inline_timeShift } true; 759#L122-3 [2018-11-18 08:34:30,853 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 08:34:30,854 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,854 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:30,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1676301556, now seen corresponding path program 1 times [2018-11-18 08:34:30,903 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,903 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,904 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 08:34:30,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:30,918 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 08:34:30,918 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:30,918 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:30,919 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 08:34:30,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:30,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:30,919 INFO L87 Difference]: Start difference. First operand 233 states and 308 transitions. cyclomatic complexity: 78 Second operand 3 states. [2018-11-18 08:34:31,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:31,005 INFO L93 Difference]: Finished difference Result 291 states and 367 transitions. [2018-11-18 08:34:31,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:31,006 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 291 states and 367 transitions. [2018-11-18 08:34:31,008 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 209 [2018-11-18 08:34:31,011 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 291 states to 291 states and 367 transitions. [2018-11-18 08:34:31,011 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 291 [2018-11-18 08:34:31,011 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 291 [2018-11-18 08:34:31,011 INFO L73 IsDeterministic]: Start isDeterministic. Operand 291 states and 367 transitions. [2018-11-18 08:34:31,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:34:31,012 INFO L705 BuchiCegarLoop]: Abstraction has 291 states and 367 transitions. [2018-11-18 08:34:31,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states and 367 transitions. [2018-11-18 08:34:31,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2018-11-18 08:34:31,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2018-11-18 08:34:31,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 367 transitions. [2018-11-18 08:34:31,022 INFO L728 BuchiCegarLoop]: Abstraction has 291 states and 367 transitions. [2018-11-18 08:34:31,022 INFO L608 BuchiCegarLoop]: Abstraction has 291 states and 367 transitions. [2018-11-18 08:34:31,022 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 08:34:31,022 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 291 states and 367 transitions. [2018-11-18 08:34:31,024 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 209 [2018-11-18 08:34:31,024 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:31,024 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:31,025 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:31,025 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] [2018-11-18 08:34:31,025 INFO L794 eck$LassoCheckResult]: Stem: 1372#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(13);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 110];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 102];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 102];#memory_int := #memory_int[#t~string16.base,3 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 44];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 80];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 117];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 109];#memory_int := #memory_int[#t~string18.base,4 + #t~string18.offset := 112];#memory_int := #memory_int[#t~string18.base,5 + #t~string18.offset := 58];#memory_int := #memory_int[#t~string18.base,6 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 110];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 79];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 102];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 102];#memory_int := #memory_int[#t~string22.base,3 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 41];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 32];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 10];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(13);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 44];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 77];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 101];#memory_int := #memory_int[#t~string33.base,3 + #t~string33.offset := 116];#memory_int := #memory_int[#t~string33.base,4 + #t~string33.offset := 104];#memory_int := #memory_int[#t~string33.base,5 + #t~string33.offset := 58];#memory_int := #memory_int[#t~string33.base,6 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 67];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 82];#memory_int := #memory_int[#t~string35.base,2 + #t~string35.offset := 73];#memory_int := #memory_int[#t~string35.base,3 + #t~string35.offset := 84];#memory_int := #memory_int[#t~string35.base,4 + #t~string35.offset := 0];call #t~string37.base, #t~string37.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string37.base,#t~string37.offset := 79];#memory_int := #memory_int[#t~string37.base,1 + #t~string37.offset := 75];#memory_int := #memory_int[#t~string37.base,2 + #t~string37.offset := 0];call #t~string39.base, #t~string39.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string39.base,#t~string39.offset := 41];#memory_int := #memory_int[#t~string39.base,1 + #t~string39.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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 1207#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret29, main_~retValue_acc~6, main_~tmp~7;havoc main_~retValue_acc~6;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 1208#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1218#L58 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 1202#L73 main_#t~ret29 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret29;havoc main_#t~ret29; 1203#L499 assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 1288#L476 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1375#L122-3 [2018-11-18 08:34:31,025 INFO L796 eck$LassoCheckResult]: Loop: 1375#L122-3 assume true; 1297#L122-1 assume !false; 1298#L123 assume test_~splverifierCounter~0 < 4; 1337#L124 test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; 1338#L132 assume !(0 != test_~tmp~1); 1431#L132-2 test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; 1429#L142 assume !(0 != test_~tmp___0~1); 1427#L142-2 test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; 1325#L152 assume 0 != test_~tmp___2~0; 1247#L158-2 assume { :begin_inline_timeShift } true; 1255#L194 assume !(0 != ~pumpRunning~0); 1254#L194-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 1191#L252 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret7, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; 1192#L226-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret27, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~2;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; 1214#L596-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; 1215#L601-1 isHighWaterLevel_#t~ret27 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret27;havoc isHighWaterLevel_#t~ret27; 1268#L372-3 assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~2 := 0; 1324#L372-5 isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; 1260#L378-1 processEnvironment__wrappee__highWaterSensor_#t~ret7 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret7;havoc processEnvironment__wrappee__highWaterSensor_#t~ret7; 1230#L230-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2);assume { :begin_inline_processEnvironment__wrappee__base } true; 1232#L218-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1326#L226-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1183#L252-1 assume { :end_inline_processEnvironment } true; 1184#L201-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 1347#L588 __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; 1300#L89 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 1301#L89-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 1384#L211 assume { :end_inline_timeShift } true; 1375#L122-3 [2018-11-18 08:34:31,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 08:34:31,026 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,026 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:31,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:31,067 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,067 INFO L82 PathProgramCache]: Analyzing trace with hash -1490974012, now seen corresponding path program 1 times [2018-11-18 08:34:31,067 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,068 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,068 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 08:34:31,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:31,080 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1553011336, now seen corresponding path program 1 times [2018-11-18 08:34:31,081 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,081 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:31,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:31,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:31,228 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2018-11-18 08:35:02,716 WARN L180 SmtUtils]: Spent 31.45 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 08:35:12,466 WARN L180 SmtUtils]: Spent 9.75 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 08:35:12,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:35:12 BoogieIcfgContainer [2018-11-18 08:35:12,529 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 08:35:12,529 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:35:12,529 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:35:12,529 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:35:12,530 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:30" (3/4) ... [2018-11-18 08:35:12,532 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 08:35:12,575 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_74b28378-0389-4f5a-b930-7dc0309b0f71/bin-2019/uautomizer/witness.graphml [2018-11-18 08:35:12,576 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:35:12,576 INFO L168 Benchmark]: Toolchain (without parser) took 43671.08 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 306.2 MB). Free memory was 958.1 MB in the beginning and 1.3 GB in the end (delta: -326.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:35:12,577 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:35:12,577 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 958.1 MB in the beginning and 1.1 GB in the end (delta: -180.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:12,577 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.63 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 08:35:12,577 INFO L168 Benchmark]: Boogie Preprocessor took 35.89 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:12,578 INFO L168 Benchmark]: RCFGBuilder took 681.91 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: 75.6 MB). Peak memory consumption was 75.6 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:12,578 INFO L168 Benchmark]: BuchiAutomizer took 42495.21 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 151.5 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -231.0 MB). Peak memory consumption was 319.6 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:12,578 INFO L168 Benchmark]: Witness Printer took 46.82 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:12,579 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 356.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 958.1 MB in the beginning and 1.1 GB in the end (delta: -180.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.89 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 681.91 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: 75.6 MB). Peak memory consumption was 75.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 42495.21 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 151.5 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -231.0 MB). Peak memory consumption was 319.6 MB. Max. memory is 11.5 GB. * Witness Printer took 46.82 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 291 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 42.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 41.9s. Construction of modules took 0.2s. 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, 174 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 291 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 474 SDtfs, 1111 SDslu, 1130 SDs, 0 SdLazy, 73 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 122]: 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, "libacc.c"=0, "__utac__get_this_arg"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f932f60=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@453eabb1=172, "libacc.c"=35, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70c0184b=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@505fd9a1=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=0, "__utac__get_this_arg"=36, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3cfe4806=0, "__utac__get_this_argtype"=27, methaneLevelCritical=0, "OK"=22, tmp___0=0, retValue_acc=0, "__utac__get_this_argtype"=0, "libacc.c"=0, ",Meth:"=39, "libacc.c"=8, "i > 0 && i <= this->argsCount"=0, tmp___1=0, "On"=20, tmp___0=0, ")"=40, cleanupTimeShifts=4, tmp=0, "Env(Water:%i"=38, tmp=0, "On"=14, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@219d944a=0, NULL=0, systemActive=1, waterLevel=1, "__utac__get_this_argtype"=19, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e36da9c=0, "On"=0, "i > 0 && i <= this->argsCount"=24, "Pump(System:"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33471d47=0, "Pump(System:"=15, \result=0, "__utac__get_this_arg"=23, "i > 0 && i <= this->argsCount"=0, \result=1, retValue_acc=1, ",Pump:"=12, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f651299=0, \result=0, "i > 0 && i <= this->argsCount"=0, "Off"=0, "CRIT"=0, tmp=1, ",Meth:"=0, ",Pump:"=0, "CRIT"=17, \result=1, "i > 0 && i <= this->argsCount"=37, "i > 0 && i <= this->argsCount"=31, tmp=1, "Off"=29, "__utac__get_this_argtype"=0, "libacc.c"=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7aea70de=0, retValue_acc=1, tmp___2=172, tmp=1, tmp___0=0, "\n"=33, splverifierCounter=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=18, "libacc.c"=26, tmp=0, head=0, "\n"=0, ") "=34, ") "=0, "On"=0, "OK"=0, ")"=0, "Off"=11, "Env(Water:%i"=0, "Off"=0, "libacc.c"=28} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 122]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L332] FCALL "Pump(System:" [L336] FCALL "On" [L340] FCALL "Off" [L344] FCALL ",Pump:" [L348] FCALL "On" [L352] FCALL "Off" [L356] FCALL ") " [L358] FCALL "\n" [L565] FCALL "Env(Water:%i" [L566] FCALL ",Meth:" [L570] FCALL "CRIT" [L574] FCALL "OK" [L578] FCALL ")" [L922] FCALL "i > 0 && i <= this->argsCount" [L922] FCALL "libacc.c" [L923] FCALL "__utac__get_this_arg" [L929] FCALL "i > 0 && i <= this->argsCount" [L929] FCALL "libacc.c" [L930] FCALL "__utac__get_this_arg" [L968] FCALL "i > 0 && i <= this->argsCount" [L968] FCALL "libacc.c" [L969] FCALL "__utac__get_this_argtype" [L975] FCALL "i > 0 && i <= this->argsCount" [L975] FCALL "libacc.c" [L976] FCALL "__utac__get_this_argtype" [L187] int pumpRunning = 0; [L188] int systemActive = 1; [L417] int cleanupTimeShifts = 4; [L513] int waterLevel = 1; [L514] int methaneLevelCritical = 0; [L794] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L490] int retValue_acc ; [L491] int tmp ; [L495] FCALL select_helpers() [L496] FCALL select_features() [L497] CALL, EXPR valid_product() [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] RET return (retValue_acc); [L497] EXPR valid_product() [L497] tmp = valid_product() [L499] COND TRUE \read(tmp) [L501] FCALL setup() [L502] CALL runTest() [L484] CALL test() [L113] int splverifierCounter ; [L114] int tmp ; [L115] int tmp___0 ; [L116] int tmp___1 ; [L117] int tmp___2 ; [L120] splverifierCounter = 0 Loop: [L122] COND TRUE 1 [L124] COND TRUE splverifierCounter < 4 [L130] tmp = __VERIFIER_nondet_int() [L132] COND FALSE !(\read(tmp)) [L140] tmp___0 = __VERIFIER_nondet_int() [L142] COND FALSE !(\read(tmp___0)) [L150] tmp___2 = __VERIFIER_nondet_int() [L152] COND TRUE \read(tmp___2) [L167] CALL timeShift() [L194] COND FALSE !(\read(pumpRunning)) [L201] COND TRUE \read(systemActive) [L203] CALL processEnvironment() [L249] int tmp ; [L252] COND FALSE !(\read(pumpRunning)) [L267] CALL processEnvironment__wrappee__highWaterSensor() [L223] int tmp ; [L226] COND TRUE ! pumpRunning [L228] CALL, EXPR isHighWaterLevel() [L364] int retValue_acc ; [L365] int tmp ; [L366] int tmp___0 ; [L370] CALL, EXPR isHighWaterSensorDry() [L593] int retValue_acc ; [L596] COND TRUE waterLevel < 2 [L597] retValue_acc = 1 [L598] RET return (retValue_acc); [L370] EXPR isHighWaterSensorDry() [L370] tmp = isHighWaterSensorDry() [L372] COND TRUE \read(tmp) [L373] tmp___0 = 0 [L377] retValue_acc = tmp___0 [L378] RET return (retValue_acc); [L228] EXPR isHighWaterLevel() [L228] tmp = isHighWaterLevel() [L230] COND FALSE !(\read(tmp)) [L236] RET, FCALL processEnvironment__wrappee__base() [L267] RET processEnvironment__wrappee__highWaterSensor() [L203] processEnvironment() [L209] CALL __utac_acc__Specification4_spec__1() [L82] int tmp ; [L83] int tmp___0 ; [L87] CALL, EXPR getWaterLevel() [L584] int retValue_acc ; [L587] retValue_acc = waterLevel [L588] RET return (retValue_acc); [L87] EXPR getWaterLevel() [L87] tmp = getWaterLevel() [L89] COND FALSE, RET !(tmp == 0) [L209] RET __utac_acc__Specification4_spec__1() [L167] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...