./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product53_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_de467062-0624-4771-9cf8-66e1aa161d62/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_de467062-0624-4771-9cf8-66e1aa161d62/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_de467062-0624-4771-9cf8-66e1aa161d62/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_de467062-0624-4771-9cf8-66e1aa161d62/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product53_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_de467062-0624-4771-9cf8-66e1aa161d62/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_de467062-0624-4771-9cf8-66e1aa161d62/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 bf8906b0b730189db64c3dc46780e4460503fe36 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-635dfa2 [2018-12-09 00:12:11,255 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:12:11,257 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:12:11,264 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:12:11,264 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:12:11,264 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:12:11,265 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:12:11,266 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:12:11,266 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:12:11,267 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:12:11,267 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:12:11,267 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:12:11,268 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:12:11,268 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:12:11,269 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:12:11,269 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:12:11,269 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:12:11,270 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:12:11,271 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:12:11,272 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:12:11,272 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:12:11,273 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:12:11,275 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:12:11,275 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:12:11,275 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:12:11,276 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:12:11,276 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:12:11,277 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:12:11,277 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:12:11,277 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:12:11,278 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:12:11,278 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:12:11,278 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:12:11,278 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:12:11,278 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:12:11,279 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:12:11,279 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_de467062-0624-4771-9cf8-66e1aa161d62/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-09 00:12:11,289 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:12:11,290 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:12:11,291 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 00:12:11,291 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 00:12:11,291 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 00:12:11,291 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-09 00:12:11,291 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-09 00:12:11,291 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-09 00:12:11,292 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-09 00:12:11,292 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-09 00:12:11,292 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-09 00:12:11,292 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:12:11,292 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:12:11,292 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 00:12:11,292 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:12:11,293 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:12:11,293 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:12:11,293 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-09 00:12:11,293 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-09 00:12:11,293 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-09 00:12:11,293 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:12:11,293 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:12:11,294 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-09 00:12:11,294 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 00:12:11,294 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-09 00:12:11,294 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:12:11,294 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 00:12:11,294 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-09 00:12:11,295 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:12:11,295 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 00:12:11,295 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-09 00:12:11,296 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-09 00:12:11,296 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_de467062-0624-4771-9cf8-66e1aa161d62/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 -> bf8906b0b730189db64c3dc46780e4460503fe36 [2018-12-09 00:12:11,319 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:12:11,328 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:12:11,330 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:12:11,332 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:12:11,332 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:12:11,332 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_de467062-0624-4771-9cf8-66e1aa161d62/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product53_true-unreach-call_false-termination.cil.c [2018-12-09 00:12:11,374 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_de467062-0624-4771-9cf8-66e1aa161d62/bin-2019/uautomizer/data/fdef8e762/1a8e20f9e44d46a48ef654ac7b4f2d7b/FLAG39da92835 [2018-12-09 00:12:11,818 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:12:11,819 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_de467062-0624-4771-9cf8-66e1aa161d62/sv-benchmarks/c/product-lines/minepump_spec3_product53_true-unreach-call_false-termination.cil.c [2018-12-09 00:12:11,825 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_de467062-0624-4771-9cf8-66e1aa161d62/bin-2019/uautomizer/data/fdef8e762/1a8e20f9e44d46a48ef654ac7b4f2d7b/FLAG39da92835 [2018-12-09 00:12:11,834 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_de467062-0624-4771-9cf8-66e1aa161d62/bin-2019/uautomizer/data/fdef8e762/1a8e20f9e44d46a48ef654ac7b4f2d7b [2018-12-09 00:12:11,835 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:12:11,836 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:12:11,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:12:11,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:12:11,839 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:12:11,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:12:11" (1/1) ... [2018-12-09 00:12:11,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:12:11, skipping insertion in model container [2018-12-09 00:12:11,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:12:11" (1/1) ... [2018-12-09 00:12:11,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:12:11,867 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:12:12,018 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:12:12,027 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:12:12,107 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:12:12,123 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:12:12,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:12:12 WrapperNode [2018-12-09 00:12:12,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:12:12,124 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:12:12,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:12:12,124 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:12:12,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:12:12" (1/1) ... [2018-12-09 00:12:12,138 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:12:12" (1/1) ... [2018-12-09 00:12:12,163 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:12:12,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:12:12,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:12:12,164 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:12:12,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:12:12" (1/1) ... [2018-12-09 00:12:12,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:12:12" (1/1) ... [2018-12-09 00:12:12,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:12:12" (1/1) ... [2018-12-09 00:12:12,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:12:12" (1/1) ... [2018-12-09 00:12:12,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:12:12" (1/1) ... [2018-12-09 00:12:12,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:12:12" (1/1) ... [2018-12-09 00:12:12,187 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:12:12" (1/1) ... [2018-12-09 00:12:12,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:12:12,190 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:12:12,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:12:12,191 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:12:12,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:12:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de467062-0624-4771-9cf8-66e1aa161d62/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 [2018-12-09 00:12:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 00:12:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 00:12:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:12:12,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:12:12,707 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:12:12,707 INFO L280 CfgBuilder]: Removed 282 assue(true) statements. [2018-12-09 00:12:12,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:12:12 BoogieIcfgContainer [2018-12-09 00:12:12,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:12:12,708 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-09 00:12:12,708 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-09 00:12:12,710 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-09 00:12:12,710 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 00:12:12,710 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.12 12:12:11" (1/3) ... [2018-12-09 00:12:12,711 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3234c720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 12:12:12, skipping insertion in model container [2018-12-09 00:12:12,711 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 00:12:12,711 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:12:12" (2/3) ... [2018-12-09 00:12:12,711 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3234c720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 12:12:12, skipping insertion in model container [2018-12-09 00:12:12,712 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 00:12:12,712 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:12:12" (3/3) ... [2018-12-09 00:12:12,713 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product53_true-unreach-call_false-termination.cil.c [2018-12-09 00:12:12,743 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 00:12:12,743 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-09 00:12:12,743 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-09 00:12:12,743 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-09 00:12:12,743 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 00:12:12,743 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 00:12:12,743 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-09 00:12:12,743 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 00:12:12,743 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-09 00:12:12,754 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 192 states. [2018-12-09 00:12:12,772 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 125 [2018-12-09 00:12:12,772 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 00:12:12,772 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 00:12:12,778 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 00:12:12,778 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:12:12,778 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-09 00:12:12,778 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 192 states. [2018-12-09 00:12:12,782 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 125 [2018-12-09 00:12:12,782 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 00:12:12,782 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 00:12:12,782 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 00:12:12,782 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:12:12,785 INFO L794 eck$LassoCheckResult]: Stem: 121#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string10.base, #t~string10.offset := #Ultimate.alloc(13);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string28.base, #t~string28.offset := #Ultimate.alloc(13);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);~head~0.base, ~head~0.offset := 0, 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);~cleanupTimeShifts~0 := 4; 22#L-1true havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10; 157#L74true 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; 151#L82true main_#t~ret75 := valid_product_#res;main_~tmp~10 := main_#t~ret75;havoc main_#t~ret75; 99#L975true assume 0 != main_~tmp~10; 145#L952true havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 31#L508-1true [2018-12-09 00:12:12,786 INFO L796 eck$LassoCheckResult]: Loop: 31#L508-1true assume !false; 100#L102true assume test_~splverifierCounter~0 < 4; 43#L103true test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; 70#L111true assume !(0 != test_~tmp~0); 93#L111-1true test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 138#L121true assume !(0 != test_~tmp___0~0); 133#L121-1true test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 34#L131true assume 0 != test_~tmp___2~0; 148#L137-2true assume !(0 != ~pumpRunning~0); 165#L173true assume !(0 != ~systemActive~0); 54#L180true havoc __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_#t~ret39, __utac_acc__Specification3_spec__1_~tmp~6, __utac_acc__Specification3_spec__1_~tmp___0~3, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~6;havoc __utac_acc__Specification3_spec__1_~tmp___0~3;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 92#L433-1true __utac_acc__Specification3_spec__1_#t~ret37 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~6 := __utac_acc__Specification3_spec__1_#t~ret37;havoc __utac_acc__Specification3_spec__1_#t~ret37; 78#L502true assume 0 != __utac_acc__Specification3_spec__1_~tmp~6; 31#L508-1true [2018-12-09 00:12:12,789 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:12:12,789 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-12-09 00:12:12,790 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:12:12,791 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:12:12,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:12:12,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:12:12,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:12:12,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:12:12,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:12:12,908 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:12:12,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1676481291, now seen corresponding path program 1 times [2018-12-09 00:12:12,909 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:12:12,909 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:12:12,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:12:12,909 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:12:12,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:12:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:12:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:12:12,917 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:12:12,917 INFO L82 PathProgramCache]: Analyzing trace with hash 37797647, now seen corresponding path program 1 times [2018-12-09 00:12:12,917 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:12:12,917 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:12:12,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:12:12,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:12:12,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:12:12,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:12:13,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:12:13,005 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:12:13,005 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 00:12:13,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 00:12:13,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-09 00:12:13,083 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 6 states. [2018-12-09 00:12:13,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:12:13,146 INFO L93 Difference]: Finished difference Result 192 states and 283 transitions. [2018-12-09 00:12:13,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 00:12:13,148 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 192 states and 283 transitions. [2018-12-09 00:12:13,150 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 123 [2018-12-09 00:12:13,154 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 192 states to 185 states and 276 transitions. [2018-12-09 00:12:13,155 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 185 [2018-12-09 00:12:13,155 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 185 [2018-12-09 00:12:13,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 185 states and 276 transitions. [2018-12-09 00:12:13,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-09 00:12:13,156 INFO L705 BuchiCegarLoop]: Abstraction has 185 states and 276 transitions. [2018-12-09 00:12:13,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states and 276 transitions. [2018-12-09 00:12:13,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2018-12-09 00:12:13,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-12-09 00:12:13,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 276 transitions. [2018-12-09 00:12:13,180 INFO L728 BuchiCegarLoop]: Abstraction has 185 states and 276 transitions. [2018-12-09 00:12:13,180 INFO L608 BuchiCegarLoop]: Abstraction has 185 states and 276 transitions. [2018-12-09 00:12:13,180 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-09 00:12:13,181 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 185 states and 276 transitions. [2018-12-09 00:12:13,182 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 123 [2018-12-09 00:12:13,182 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 00:12:13,182 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 00:12:13,182 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 00:12:13,183 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:12:13,183 INFO L794 eck$LassoCheckResult]: Stem: 550#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string10.base, #t~string10.offset := #Ultimate.alloc(13);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string28.base, #t~string28.offset := #Ultimate.alloc(13);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);~head~0.base, ~head~0.offset := 0, 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);~cleanupTimeShifts~0 := 4; 440#L-1 havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10; 441#L74 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; 570#L82 main_#t~ret75 := valid_product_#res;main_~tmp~10 := main_#t~ret75;havoc main_#t~ret75; 535#L975 assume 0 != main_~tmp~10; 536#L952 havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 451#L508-1 [2018-12-09 00:12:13,183 INFO L796 eck$LassoCheckResult]: Loop: 451#L508-1 assume !false; 458#L102 assume test_~splverifierCounter~0 < 4; 471#L103 test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; 472#L111 assume !(0 != test_~tmp~0); 507#L111-1 test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 533#L121 assume !(0 != test_~tmp___0~0); 403#L121-1 test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 461#L131 assume 0 != test_~tmp___2~0; 462#L137-2 assume !(0 != ~pumpRunning~0); 568#L173 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret7, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 524#L257 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret6, processEnvironment__wrappee__lowWaterSensor_~tmp~2;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~2; 526#L231-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret5, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 490#L205-3 assume !(0 == ~pumpRunning~0); 482#L180 havoc __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_#t~ret39, __utac_acc__Specification3_spec__1_~tmp~6, __utac_acc__Specification3_spec__1_~tmp___0~3, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~6;havoc __utac_acc__Specification3_spec__1_~tmp___0~3;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 483#L433-1 __utac_acc__Specification3_spec__1_#t~ret37 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~6 := __utac_acc__Specification3_spec__1_#t~ret37;havoc __utac_acc__Specification3_spec__1_#t~ret37; 514#L502 assume 0 != __utac_acc__Specification3_spec__1_~tmp~6; 451#L508-1 [2018-12-09 00:12:13,183 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:12:13,183 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-12-09 00:12:13,183 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:12:13,184 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:12:13,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:12:13,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:12:13,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:12:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:12:13,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:12:13,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:12:13,214 INFO L82 PathProgramCache]: Analyzing trace with hash -270276503, now seen corresponding path program 1 times [2018-12-09 00:12:13,215 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:12:13,215 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:12:13,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:12:13,215 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 00:12:13,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:12:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:12:13,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:12:13,223 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:12:13,224 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 00:12:13,224 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-09 00:12:13,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 00:12:13,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:12:13,224 INFO L87 Difference]: Start difference. First operand 185 states and 276 transitions. cyclomatic complexity: 93 Second operand 3 states. [2018-12-09 00:12:13,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:12:13,299 INFO L93 Difference]: Finished difference Result 196 states and 273 transitions. [2018-12-09 00:12:13,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 00:12:13,300 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 196 states and 273 transitions. [2018-12-09 00:12:13,301 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 134 [2018-12-09 00:12:13,302 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 196 states to 196 states and 273 transitions. [2018-12-09 00:12:13,302 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 196 [2018-12-09 00:12:13,302 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 196 [2018-12-09 00:12:13,303 INFO L73 IsDeterministic]: Start isDeterministic. Operand 196 states and 273 transitions. [2018-12-09 00:12:13,303 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-09 00:12:13,303 INFO L705 BuchiCegarLoop]: Abstraction has 196 states and 273 transitions. [2018-12-09 00:12:13,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states and 273 transitions. [2018-12-09 00:12:13,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2018-12-09 00:12:13,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2018-12-09 00:12:13,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 273 transitions. [2018-12-09 00:12:13,309 INFO L728 BuchiCegarLoop]: Abstraction has 196 states and 273 transitions. [2018-12-09 00:12:13,309 INFO L608 BuchiCegarLoop]: Abstraction has 196 states and 273 transitions. [2018-12-09 00:12:13,309 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-09 00:12:13,309 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 196 states and 273 transitions. [2018-12-09 00:12:13,310 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 134 [2018-12-09 00:12:13,310 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 00:12:13,310 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 00:12:13,311 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 00:12:13,311 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] [2018-12-09 00:12:13,311 INFO L794 eck$LassoCheckResult]: Stem: 913#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string10.base, #t~string10.offset := #Ultimate.alloc(13);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string28.base, #t~string28.offset := #Ultimate.alloc(13);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);~head~0.base, ~head~0.offset := 0, 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);~cleanupTimeShifts~0 := 4; 821#L-1 havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10; 822#L74 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; 933#L82 main_#t~ret75 := valid_product_#res;main_~tmp~10 := main_#t~ret75;havoc main_#t~ret75; 899#L975 assume 0 != main_~tmp~10; 900#L952 havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 828#L508-1 [2018-12-09 00:12:13,311 INFO L796 eck$LassoCheckResult]: Loop: 828#L508-1 assume !false; 834#L102 assume test_~splverifierCounter~0 < 4; 846#L103 test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; 847#L111 assume !(0 != test_~tmp~0); 875#L111-1 test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 897#L121 assume !(0 != test_~tmp___0~0); 790#L121-1 test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 836#L131 assume 0 != test_~tmp___2~0; 837#L137-2 assume !(0 != ~pumpRunning~0); 928#L173 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret7, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 889#L257 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret6, processEnvironment__wrappee__lowWaterSensor_~tmp~2;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~2; 890#L231-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret5, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 862#L205-3 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret25, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 863#L473-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 934#L478-3 isHighWaterLevel_#t~ret25 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret25;havoc isHighWaterLevel_#t~ret25; 823#L359-9 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; 824#L359-11 isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; 816#L365-3 processEnvironment__wrappee__highWaterSensor_#t~ret5 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret5;havoc processEnvironment__wrappee__highWaterSensor_#t~ret5; 817#L209-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1); 856#L180 havoc __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_#t~ret39, __utac_acc__Specification3_spec__1_~tmp~6, __utac_acc__Specification3_spec__1_~tmp___0~3, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~6;havoc __utac_acc__Specification3_spec__1_~tmp___0~3;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 857#L433-1 __utac_acc__Specification3_spec__1_#t~ret37 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~6 := __utac_acc__Specification3_spec__1_#t~ret37;havoc __utac_acc__Specification3_spec__1_#t~ret37; 880#L502 assume 0 != __utac_acc__Specification3_spec__1_~tmp~6; 828#L508-1 [2018-12-09 00:12:13,311 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:12:13,312 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2018-12-09 00:12:13,312 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:12:13,312 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:12:13,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:12:13,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:12:13,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:12:13,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:12:13,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:12:13,338 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:12:13,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1151634357, now seen corresponding path program 1 times [2018-12-09 00:12:13,338 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:12:13,338 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:12:13,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:12:13,339 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 00:12:13,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:12:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:12:13,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:12:13,347 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:12:13,347 INFO L82 PathProgramCache]: Analyzing trace with hash -1890027813, now seen corresponding path program 1 times [2018-12-09 00:12:13,347 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:12:13,347 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:12:13,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:12:13,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:12:13,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:12:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:12:13,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:12:13,402 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:12:13,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 00:12:13,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 00:12:13,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 00:12:13,513 INFO L87 Difference]: Start difference. First operand 196 states and 273 transitions. cyclomatic complexity: 79 Second operand 5 states. [2018-12-09 00:12:13,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:12:13,615 INFO L93 Difference]: Finished difference Result 656 states and 915 transitions. [2018-12-09 00:12:13,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 00:12:13,615 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 656 states and 915 transitions. [2018-12-09 00:12:13,620 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 472 [2018-12-09 00:12:13,634 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 656 states to 656 states and 915 transitions. [2018-12-09 00:12:13,634 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 656 [2018-12-09 00:12:13,635 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 656 [2018-12-09 00:12:13,635 INFO L73 IsDeterministic]: Start isDeterministic. Operand 656 states and 915 transitions. [2018-12-09 00:12:13,637 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-09 00:12:13,637 INFO L705 BuchiCegarLoop]: Abstraction has 656 states and 915 transitions. [2018-12-09 00:12:13,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states and 915 transitions. [2018-12-09 00:12:13,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 386. [2018-12-09 00:12:13,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 386 states. [2018-12-09 00:12:13,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 532 transitions. [2018-12-09 00:12:13,652 INFO L728 BuchiCegarLoop]: Abstraction has 386 states and 532 transitions. [2018-12-09 00:12:13,652 INFO L608 BuchiCegarLoop]: Abstraction has 386 states and 532 transitions. [2018-12-09 00:12:13,652 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-12-09 00:12:13,653 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 386 states and 532 transitions. [2018-12-09 00:12:13,654 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 268 [2018-12-09 00:12:13,654 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 00:12:13,654 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 00:12:13,655 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 00:12:13,655 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:12:13,655 INFO L794 eck$LassoCheckResult]: Stem: 1792#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string10.base, #t~string10.offset := #Ultimate.alloc(13);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string28.base, #t~string28.offset := #Ultimate.alloc(13);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);~head~0.base, ~head~0.offset := 0, 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);~cleanupTimeShifts~0 := 4; 1691#L-1 havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10; 1692#L74 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; 1818#L82 main_#t~ret75 := valid_product_#res;main_~tmp~10 := main_#t~ret75;havoc main_#t~ret75; 1776#L975 assume 0 != main_~tmp~10; 1777#L952 havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1812#L508-1 [2018-12-09 00:12:13,655 INFO L796 eck$LassoCheckResult]: Loop: 1812#L508-1 assume !false; 1943#L102 assume test_~splverifierCounter~0 < 4; 1944#L103 test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; 2044#L111 assume !(0 != test_~tmp~0); 2042#L111-1 test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 2040#L121 assume !(0 != test_~tmp___0~0); 2039#L121-1 test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 2036#L131 assume 0 != test_~tmp___2~0; 2033#L137-2 assume !(0 != ~pumpRunning~0); 2015#L173 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret7, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 2032#L257 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret6, processEnvironment__wrappee__lowWaterSensor_~tmp~2;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~2; 1946#L231-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret5, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 2031#L205-3 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret25, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 2021#L473-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 2019#L478-3 isHighWaterLevel_#t~ret25 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret25;havoc isHighWaterLevel_#t~ret25; 2016#L359-9 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; 2013#L359-11 isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; 2012#L365-3 processEnvironment__wrappee__highWaterSensor_#t~ret5 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret5;havoc processEnvironment__wrappee__highWaterSensor_#t~ret5; 1806#L209-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1); 1763#L180 havoc __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_#t~ret39, __utac_acc__Specification3_spec__1_~tmp~6, __utac_acc__Specification3_spec__1_~tmp___0~3, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~6;havoc __utac_acc__Specification3_spec__1_~tmp___0~3;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 1772#L433-1 __utac_acc__Specification3_spec__1_#t~ret37 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~6 := __utac_acc__Specification3_spec__1_#t~ret37;havoc __utac_acc__Specification3_spec__1_#t~ret37; 1773#L502 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~6);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 1795#L465 __utac_acc__Specification3_spec__1_#t~ret38 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~3 := __utac_acc__Specification3_spec__1_#t~ret38;havoc __utac_acc__Specification3_spec__1_#t~ret38; 1796#L508 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~3); 1812#L508-1 [2018-12-09 00:12:13,656 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:12:13,657 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 4 times [2018-12-09 00:12:13,657 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:12:13,657 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:12:13,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:12:13,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:12:13,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:12:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:12:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:12:13,686 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:12:13,687 INFO L82 PathProgramCache]: Analyzing trace with hash -1380933977, now seen corresponding path program 1 times [2018-12-09 00:12:13,687 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:12:13,687 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:12:13,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:12:13,687 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 00:12:13,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:12:13,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:12:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:12:13,693 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:12:13,693 INFO L82 PathProgramCache]: Analyzing trace with hash 454449229, now seen corresponding path program 1 times [2018-12-09 00:12:13,693 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:12:13,693 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:12:13,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:12:13,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:12:13,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:12:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:12:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:12:17,843 WARN L180 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-12-09 00:12:19,900 WARN L180 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 423 [2018-12-09 00:12:19,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.12 12:12:19 BoogieIcfgContainer [2018-12-09 00:12:19,930 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-09 00:12:19,931 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:12:19,931 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:12:19,931 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:12:19,931 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:12:12" (3/4) ... [2018-12-09 00:12:19,933 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-09 00:12:19,962 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_de467062-0624-4771-9cf8-66e1aa161d62/bin-2019/uautomizer/witness.graphml [2018-12-09 00:12:19,962 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:12:19,963 INFO L168 Benchmark]: Toolchain (without parser) took 8126.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.8 MB). Free memory was 951.7 MB in the beginning and 1.2 GB in the end (delta: -205.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:12:19,963 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:12:19,963 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -131.7 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. [2018-12-09 00:12:19,963 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.61 ms. Allocated memory is still 1.1 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. [2018-12-09 00:12:19,964 INFO L168 Benchmark]: Boogie Preprocessor took 26.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:12:19,964 INFO L168 Benchmark]: RCFGBuilder took 516.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 995.4 MB in the end (delta: 80.0 MB). Peak memory consumption was 80.0 MB. Max. memory is 11.5 GB. [2018-12-09 00:12:19,964 INFO L168 Benchmark]: BuchiAutomizer took 7222.94 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 80.2 MB). Free memory was 995.4 MB in the beginning and 1.2 GB in the end (delta: -168.3 MB). Peak memory consumption was 233.4 MB. Max. memory is 11.5 GB. [2018-12-09 00:12:19,964 INFO L168 Benchmark]: Witness Printer took 31.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 00:12:19,966 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 286.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -131.7 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.61 ms. Allocated memory is still 1.1 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 26.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 516.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 995.4 MB in the end (delta: 80.0 MB). Peak memory consumption was 80.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7222.94 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 80.2 MB). Free memory was 995.4 MB in the beginning and 1.2 GB in the end (delta: -168.3 MB). Peak memory consumption was 233.4 MB. Max. memory is 11.5 GB. * Witness Printer took 31.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 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 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 386 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.1s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 6.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 270 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 386 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 815 SDtfs, 1862 SDslu, 1080 SDs, 0 SdLazy, 121 SolverSat, 60 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 101]: 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 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@301c148=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5a821e16=0, NULL=35, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@40557528=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d3bc507=0, NULL=33, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@96ac9c4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60eaa6f6=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@159b3dad=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@34e6e26f=0, methaneLevelCritical=0, retValue_acc=0, NULL=0, NULL=34, NULL=0, tmp___1=0, NULL=16, NULL=38, cleanupTimeShifts=4, tmp=0, NULL=26, tmp=1, tmp=0, waterLevel=1, NULL=0, NULL=19, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ff8809d=0, tmp___0=0, NULL=17, \result=1, head=0, pumpRunning=0, retValue_acc=1, NULL=0, NULL=0, NULL=0, \result=1, NULL=28, NULL=0, NULL=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@52fc40b=0, retValue_acc=1, NULL=12, NULL=20, tmp=0, head=0, NULL=0, NULL=31, NULL=36, NULL=24, NULL=0, NULL=0, NULL=37, NULL=22, tmp=0, tmp___0=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@50a444e4=0, NULL=23, tmp=0, NULL=14, tmp___0=1, NULL=0, systemActive=1, NULL=11, \result=1, NULL=0, NULL=0, retValue_acc=0, NULL=15, \result=0, NULL=0, NULL=0, retValue_acc=0, NULL=29, \result=0, NULL=0, NULL=0, NULL=39, NULL=27, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33a49319=0, retValue_acc=1, tmp___2=56, splverifierCounter=0, NULL=0, \result=0, NULL=8, tmp___1=0, NULL=0, NULL=0, NULL=18, NULL=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L165] int pumpRunning = 0; [L166] int systemActive = 1; [L390] int waterLevel = 1; [L391] int methaneLevelCritical = 0; [L696] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L893] int cleanupTimeShifts = 4; [L966] int retValue_acc ; [L967] int tmp ; [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] return (retValue_acc); [L973] tmp = valid_product() [L975] COND TRUE \read(tmp) [L92] int splverifierCounter ; [L93] int tmp ; [L94] int tmp___0 ; [L95] int tmp___1 ; [L96] int tmp___2 ; [L99] splverifierCounter = 0 Loop: [L101] COND TRUE 1 [L103] COND TRUE splverifierCounter < 4 [L109] tmp = __VERIFIER_nondet_int() [L111] COND FALSE !(\read(tmp)) [L119] tmp___0 = __VERIFIER_nondet_int() [L121] COND FALSE !(\read(tmp___0)) [L129] tmp___2 = __VERIFIER_nondet_int() [L131] COND TRUE \read(tmp___2) [L173] COND FALSE !(\read(pumpRunning)) [L180] COND TRUE \read(systemActive) [L254] int tmp ; [L257] COND FALSE !(\read(pumpRunning)) [L228] int tmp ; [L231] COND FALSE !(\read(pumpRunning)) [L202] int tmp ; [L205] COND TRUE ! pumpRunning [L351] int retValue_acc ; [L352] int tmp ; [L353] int tmp___0 ; [L470] int retValue_acc ; [L473] COND TRUE waterLevel < 2 [L474] retValue_acc = 1 [L475] return (retValue_acc); [L357] tmp = isHighWaterSensorDry() [L359] COND TRUE \read(tmp) [L360] tmp___0 = 0 [L364] retValue_acc = tmp___0 [L365] return (retValue_acc); [L207] tmp = isHighWaterLevel() [L209] COND FALSE !(\read(tmp)) [L494] int tmp ; [L495] int tmp___0 ; [L496] int tmp___1 ; [L429] int retValue_acc ; [L432] retValue_acc = methaneLevelCritical [L433] return (retValue_acc); [L500] tmp = isMethaneLevelCritical() [L502] COND FALSE !(\read(tmp)) [L461] int retValue_acc ; [L464] retValue_acc = waterLevel [L465] return (retValue_acc); [L506] tmp___0 = getWaterLevel() [L508] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...