./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product13_false-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_6f60c63c-a7fa-4514-b03d-a8d9463c1268/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6f60c63c-a7fa-4514-b03d-a8d9463c1268/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6f60c63c-a7fa-4514-b03d-a8d9463c1268/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6f60c63c-a7fa-4514-b03d-a8d9463c1268/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product13_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6f60c63c-a7fa-4514-b03d-a8d9463c1268/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6f60c63c-a7fa-4514-b03d-a8d9463c1268/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 35ec611011aa6867bf0bb36080e273ba993b072e ........................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 [2018-12-08 09:34:48,188 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 09:34:48,190 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 09:34:48,198 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 09:34:48,198 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 09:34:48,199 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 09:34:48,199 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 09:34:48,201 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 09:34:48,202 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 09:34:48,202 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 09:34:48,203 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 09:34:48,203 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 09:34:48,203 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 09:34:48,204 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 09:34:48,205 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 09:34:48,205 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 09:34:48,206 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 09:34:48,207 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 09:34:48,208 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 09:34:48,209 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 09:34:48,209 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 09:34:48,210 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 09:34:48,211 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 09:34:48,211 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 09:34:48,212 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 09:34:48,212 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 09:34:48,212 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 09:34:48,213 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 09:34:48,213 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 09:34:48,214 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 09:34:48,214 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 09:34:48,214 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 09:34:48,214 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 09:34:48,214 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 09:34:48,215 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 09:34:48,215 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 09:34:48,215 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6f60c63c-a7fa-4514-b03d-a8d9463c1268/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-08 09:34:48,223 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 09:34:48,223 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 09:34:48,223 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 09:34:48,223 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 09:34:48,224 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 09:34:48,224 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-08 09:34:48,224 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-08 09:34:48,224 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-08 09:34:48,224 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-08 09:34:48,224 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-08 09:34:48,224 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-08 09:34:48,224 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 09:34:48,224 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 09:34:48,224 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 09:34:48,225 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 09:34:48,225 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 09:34:48,225 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 09:34:48,225 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-08 09:34:48,225 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-08 09:34:48,225 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-08 09:34:48,225 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 09:34:48,225 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 09:34:48,225 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-08 09:34:48,225 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 09:34:48,225 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-08 09:34:48,226 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 09:34:48,226 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 09:34:48,226 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-08 09:34:48,226 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 09:34:48,226 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 09:34:48,226 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-08 09:34:48,226 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-08 09:34:48,227 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_6f60c63c-a7fa-4514-b03d-a8d9463c1268/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 -> 35ec611011aa6867bf0bb36080e273ba993b072e [2018-12-08 09:34:48,243 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 09:34:48,249 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 09:34:48,251 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 09:34:48,252 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 09:34:48,252 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 09:34:48,253 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6f60c63c-a7fa-4514-b03d-a8d9463c1268/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product13_false-unreach-call_false-termination.cil.c [2018-12-08 09:34:48,288 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6f60c63c-a7fa-4514-b03d-a8d9463c1268/bin-2019/uautomizer/data/abe998077/07e0bc043a6549ed90e139bfaaf6659b/FLAG54a63e0db [2018-12-08 09:34:48,731 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 09:34:48,732 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6f60c63c-a7fa-4514-b03d-a8d9463c1268/sv-benchmarks/c/product-lines/minepump_spec3_product13_false-unreach-call_false-termination.cil.c [2018-12-08 09:34:48,738 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6f60c63c-a7fa-4514-b03d-a8d9463c1268/bin-2019/uautomizer/data/abe998077/07e0bc043a6549ed90e139bfaaf6659b/FLAG54a63e0db [2018-12-08 09:34:48,746 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6f60c63c-a7fa-4514-b03d-a8d9463c1268/bin-2019/uautomizer/data/abe998077/07e0bc043a6549ed90e139bfaaf6659b [2018-12-08 09:34:48,748 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 09:34:48,749 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 09:34:48,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 09:34:48,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 09:34:48,751 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 09:34:48,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 09:34:48" (1/1) ... [2018-12-08 09:34:48,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f304bcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:34:48, skipping insertion in model container [2018-12-08 09:34:48,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 09:34:48" (1/1) ... [2018-12-08 09:34:48,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 09:34:48,777 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 09:34:48,918 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 09:34:48,962 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 09:34:49,001 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 09:34:49,016 INFO L195 MainTranslator]: Completed translation [2018-12-08 09:34:49,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:34:49 WrapperNode [2018-12-08 09:34:49,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 09:34:49,017 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 09:34:49,017 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 09:34:49,017 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 09:34:49,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:34:49" (1/1) ... [2018-12-08 09:34:49,031 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:34:49" (1/1) ... [2018-12-08 09:34:49,049 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 09:34:49,049 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 09:34:49,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 09:34:49,050 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 09:34:49,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:34:49" (1/1) ... [2018-12-08 09:34:49,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:34:49" (1/1) ... [2018-12-08 09:34:49,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:34:49" (1/1) ... [2018-12-08 09:34:49,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:34:49" (1/1) ... [2018-12-08 09:34:49,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:34:49" (1/1) ... [2018-12-08 09:34:49,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:34:49" (1/1) ... [2018-12-08 09:34:49,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:34:49" (1/1) ... [2018-12-08 09:34:49,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 09:34:49,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 09:34:49,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 09:34:49,068 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 09:34:49,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:34:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f60c63c-a7fa-4514-b03d-a8d9463c1268/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 [2018-12-08 09:34:49,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 09:34:49,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 09:34:49,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 09:34:49,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 09:34:49,379 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 09:34:49,380 INFO L280 CfgBuilder]: Removed 102 assue(true) statements. [2018-12-08 09:34:49,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:34:49 BoogieIcfgContainer [2018-12-08 09:34:49,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 09:34:49,380 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-08 09:34:49,380 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-08 09:34:49,383 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-08 09:34:49,383 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 09:34:49,383 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.12 09:34:48" (1/3) ... [2018-12-08 09:34:49,384 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b8f4dc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 09:34:49, skipping insertion in model container [2018-12-08 09:34:49,384 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 09:34:49,384 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:34:49" (2/3) ... [2018-12-08 09:34:49,384 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b8f4dc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 09:34:49, skipping insertion in model container [2018-12-08 09:34:49,385 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 09:34:49,385 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:34:49" (3/3) ... [2018-12-08 09:34:49,386 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product13_false-unreach-call_false-termination.cil.c [2018-12-08 09:34:49,418 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 09:34:49,419 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-08 09:34:49,419 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-08 09:34:49,419 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-08 09:34:49,419 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 09:34:49,419 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 09:34:49,419 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-08 09:34:49,419 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 09:34:49,419 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-08 09:34:49,429 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2018-12-08 09:34:49,445 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2018-12-08 09:34:49,445 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 09:34:49,445 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 09:34:49,450 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-08 09:34:49,450 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:34:49,450 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-08 09:34:49,450 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2018-12-08 09:34:49,453 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2018-12-08 09:34:49,453 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 09:34:49,453 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 09:34:49,453 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-08 09:34:49,453 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:34:49,457 INFO L794 eck$LassoCheckResult]: Stem: 28#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string16.base, #t~string16.offset := #Ultimate.alloc(13);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(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(25); 11#L-1true havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; 51#L151true havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 67#L159true main_#t~ret11 := valid_product_#res;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; 73#L258true assume 0 != main_~tmp~0; 26#L234true havoc test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 61#L441-1true [2018-12-08 09:34:49,457 INFO L796 eck$LassoCheckResult]: Loop: 61#L441-1true assume !false; 6#L471true assume test_~splverifierCounter~0 < 4; 21#L472true test_~tmp~4 := test_#t~nondet34;havoc test_#t~nondet34; 41#L480true assume !(0 != test_~tmp~4); 43#L480-1true test_~tmp___0~1 := test_#t~nondet35;havoc test_#t~nondet35; 23#L490true assume !(0 != test_~tmp___0~1); 12#L490-1true test_~tmp___2~0 := test_#t~nondet36;havoc test_#t~nondet36; 68#L500true assume 0 != test_~tmp___2~0; 38#L506-2true assume !(0 != ~pumpRunning~0); 39#L283true assume !(0 != ~systemActive~0); 53#L290true havoc __utac_acc__Specification3_spec__1_#t~ret31, __utac_acc__Specification3_spec__1_#t~ret32, __utac_acc__Specification3_spec__1_#t~ret33, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~3;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 54#L89-1true __utac_acc__Specification3_spec__1_#t~ret31 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret31;havoc __utac_acc__Specification3_spec__1_#t~ret31; 13#L435true assume 0 != __utac_acc__Specification3_spec__1_~tmp~3; 61#L441-1true [2018-12-08 09:34:49,462 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:34:49,462 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-12-08 09:34:49,464 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:34:49,464 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:34:49,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:34:49,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:34:49,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:34:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:34:49,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:34:49,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:34:49,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1681899275, now seen corresponding path program 1 times [2018-12-08 09:34:49,583 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:34:49,583 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:34:49,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:34:49,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:34:49,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:34:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:34:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:34:49,593 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:34:49,593 INFO L82 PathProgramCache]: Analyzing trace with hash 32379663, now seen corresponding path program 1 times [2018-12-08 09:34:49,593 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:34:49,593 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:34:49,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:34:49,594 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:34:49,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:34:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:34:49,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:34:49,670 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:34:49,670 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 09:34:49,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 09:34:49,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-08 09:34:49,741 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 6 states. [2018-12-08 09:34:49,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:34:49,802 INFO L93 Difference]: Finished difference Result 72 states and 97 transitions. [2018-12-08 09:34:49,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 09:34:49,804 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 97 transitions. [2018-12-08 09:34:49,805 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2018-12-08 09:34:49,808 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 65 states and 90 transitions. [2018-12-08 09:34:49,809 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 65 [2018-12-08 09:34:49,809 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 65 [2018-12-08 09:34:49,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 90 transitions. [2018-12-08 09:34:49,810 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-08 09:34:49,810 INFO L705 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2018-12-08 09:34:49,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 90 transitions. [2018-12-08 09:34:49,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-12-08 09:34:49,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-12-08 09:34:49,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2018-12-08 09:34:49,830 INFO L728 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2018-12-08 09:34:49,830 INFO L608 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2018-12-08 09:34:49,830 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-08 09:34:49,830 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 90 transitions. [2018-12-08 09:34:49,831 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2018-12-08 09:34:49,831 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 09:34:49,831 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 09:34:49,832 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-08 09:34:49,832 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:34:49,832 INFO L794 eck$LassoCheckResult]: Stem: 200#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string16.base, #t~string16.offset := #Ultimate.alloc(13);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(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(25); 173#L-1 havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; 174#L151 havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 222#L159 main_#t~ret11 := valid_product_#res;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; 226#L258 assume 0 != main_~tmp~0; 198#L234 havoc test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 178#L441-1 [2018-12-08 09:34:49,832 INFO L796 eck$LassoCheckResult]: Loop: 178#L441-1 assume !false; 166#L471 assume test_~splverifierCounter~0 < 4; 167#L472 test_~tmp~4 := test_#t~nondet34;havoc test_#t~nondet34; 191#L480 assume !(0 != test_~tmp~4); 217#L480-1 test_~tmp___0~1 := test_#t~nondet35;havoc test_#t~nondet35; 194#L490 assume !(0 != test_~tmp___0~1); 175#L490-1 test_~tmp___2~0 := test_#t~nondet36;havoc test_#t~nondet36; 176#L500 assume 0 != test_~tmp___2~0; 211#L506-2 assume !(0 != ~pumpRunning~0); 197#L283 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 203#L315 assume !(0 != ~pumpRunning~0); 204#L290 havoc __utac_acc__Specification3_spec__1_#t~ret31, __utac_acc__Specification3_spec__1_#t~ret32, __utac_acc__Specification3_spec__1_#t~ret33, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~3;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 223#L89-1 __utac_acc__Specification3_spec__1_#t~ret31 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret31;havoc __utac_acc__Specification3_spec__1_#t~ret31; 177#L435 assume 0 != __utac_acc__Specification3_spec__1_~tmp~3; 178#L441-1 [2018-12-08 09:34:49,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:34:49,832 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-12-08 09:34:49,832 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:34:49,832 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:34:49,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:34:49,833 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:34:49,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:34:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:34:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:34:49,876 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:34:49,877 INFO L82 PathProgramCache]: Analyzing trace with hash -619797874, now seen corresponding path program 1 times [2018-12-08 09:34:49,877 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:34:49,877 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:34:49,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:34:49,878 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 09:34:49,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:34:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:34:49,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:34:49,884 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:34:49,884 INFO L82 PathProgramCache]: Analyzing trace with hash 983241652, now seen corresponding path program 1 times [2018-12-08 09:34:49,884 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:34:49,884 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:34:49,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:34:49,885 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:34:49,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:34:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:34:49,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:34:49,920 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:34:49,920 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 09:34:49,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 09:34:49,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 09:34:49,965 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. cyclomatic complexity: 27 Second operand 5 states. [2018-12-08 09:34:50,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:34:50,091 INFO L93 Difference]: Finished difference Result 211 states and 300 transitions. [2018-12-08 09:34:50,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 09:34:50,092 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 211 states and 300 transitions. [2018-12-08 09:34:50,094 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 145 [2018-12-08 09:34:50,095 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 211 states to 211 states and 300 transitions. [2018-12-08 09:34:50,095 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 211 [2018-12-08 09:34:50,096 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 211 [2018-12-08 09:34:50,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 211 states and 300 transitions. [2018-12-08 09:34:50,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-08 09:34:50,097 INFO L705 BuchiCegarLoop]: Abstraction has 211 states and 300 transitions. [2018-12-08 09:34:50,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states and 300 transitions. [2018-12-08 09:34:50,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 124. [2018-12-08 09:34:50,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-12-08 09:34:50,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 170 transitions. [2018-12-08 09:34:50,102 INFO L728 BuchiCegarLoop]: Abstraction has 124 states and 170 transitions. [2018-12-08 09:34:50,102 INFO L608 BuchiCegarLoop]: Abstraction has 124 states and 170 transitions. [2018-12-08 09:34:50,102 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-08 09:34:50,103 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 170 transitions. [2018-12-08 09:34:50,103 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 86 [2018-12-08 09:34:50,104 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 09:34:50,104 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 09:34:50,104 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-08 09:34:50,104 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:34:50,104 INFO L794 eck$LassoCheckResult]: Stem: 494#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string16.base, #t~string16.offset := #Ultimate.alloc(13);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(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(25); 467#L-1 havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; 468#L151 havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 521#L159 main_#t~ret11 := valid_product_#res;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; 533#L258 assume 0 != main_~tmp~0; 491#L234 havoc test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 492#L441-1 [2018-12-08 09:34:50,104 INFO L796 eck$LassoCheckResult]: Loop: 492#L441-1 assume !false; 460#L471 assume test_~splverifierCounter~0 < 4; 461#L472 test_~tmp~4 := test_#t~nondet34;havoc test_#t~nondet34; 483#L480 assume !(0 != test_~tmp~4); 510#L480-1 test_~tmp___0~1 := test_#t~nondet35;havoc test_#t~nondet35; 486#L490 assume !(0 != test_~tmp___0~1); 469#L490-1 test_~tmp___2~0 := test_#t~nondet36;havoc test_#t~nondet36; 470#L500 assume 0 != test_~tmp___2~0; 506#L506-2 assume !(0 != ~pumpRunning~0); 488#L283 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 497#L315 assume !(0 != ~pumpRunning~0); 498#L290 havoc __utac_acc__Specification3_spec__1_#t~ret31, __utac_acc__Specification3_spec__1_#t~ret32, __utac_acc__Specification3_spec__1_#t~ret33, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~3;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 522#L89-1 __utac_acc__Specification3_spec__1_#t~ret31 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret31;havoc __utac_acc__Specification3_spec__1_#t~ret31; 471#L435 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~3);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 472#L121 __utac_acc__Specification3_spec__1_#t~ret32 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret32;havoc __utac_acc__Specification3_spec__1_#t~ret32; 527#L441 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0); 492#L441-1 [2018-12-08 09:34:50,105 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:34:50,105 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2018-12-08 09:34:50,105 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:34:50,105 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:34:50,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:34:50,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:34:50,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:34:50,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:34:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:34:50,125 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:34:50,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1374702912, now seen corresponding path program 1 times [2018-12-08 09:34:50,126 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:34:50,126 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:34:50,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:34:50,126 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 09:34:50,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:34:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:34:50,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:34:50,131 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:34:50,131 INFO L82 PathProgramCache]: Analyzing trace with hash 2428134, now seen corresponding path program 1 times [2018-12-08 09:34:50,132 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:34:50,132 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:34:50,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:34:50,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:34:50,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:34:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:34:50,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:34:54,429 WARN L180 SmtUtils]: Spent 4.21 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-12-08 09:34:56,595 WARN L180 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 423 [2018-12-08 09:34:56,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.12 09:34:56 BoogieIcfgContainer [2018-12-08 09:34:56,626 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-08 09:34:56,626 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 09:34:56,626 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 09:34:56,626 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 09:34:56,627 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:34:49" (3/4) ... [2018-12-08 09:34:56,629 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-08 09:34:56,656 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6f60c63c-a7fa-4514-b03d-a8d9463c1268/bin-2019/uautomizer/witness.graphml [2018-12-08 09:34:56,656 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 09:34:56,657 INFO L168 Benchmark]: Toolchain (without parser) took 7908.44 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 315.6 MB). Free memory was 951.7 MB in the beginning and 982.0 MB in the end (delta: -30.3 MB). Peak memory consumption was 285.4 MB. Max. memory is 11.5 GB. [2018-12-08 09:34:56,657 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 09:34:56,657 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -168.7 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-12-08 09:34:56,657 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.52 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. [2018-12-08 09:34:56,658 INFO L168 Benchmark]: Boogie Preprocessor took 18.62 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. [2018-12-08 09:34:56,658 INFO L168 Benchmark]: RCFGBuilder took 311.71 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: 63.5 MB). Peak memory consumption was 63.5 MB. Max. memory is 11.5 GB. [2018-12-08 09:34:56,658 INFO L168 Benchmark]: BuchiAutomizer took 7245.81 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 179.3 MB). Free memory was 1.1 GB in the beginning and 984.0 MB in the end (delta: 72.9 MB). Peak memory consumption was 356.3 MB. Max. memory is 11.5 GB. [2018-12-08 09:34:56,658 INFO L168 Benchmark]: Witness Printer took 29.85 ms. Allocated memory is still 1.3 GB. Free memory is still 982.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 09:34:56,659 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 267.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -168.7 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.52 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 18.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 311.71 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: 63.5 MB). Peak memory consumption was 63.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7245.81 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 179.3 MB). Free memory was 1.1 GB in the beginning and 984.0 MB in the end (delta: 72.9 MB). Peak memory consumption was 356.3 MB. Max. memory is 11.5 GB. * Witness Printer took 29.85 ms. Allocated memory is still 1.3 GB. Free memory is still 982.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 124 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 6.9s. Construction of modules took 0.0s. 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, 87 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 124 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 202 SDtfs, 587 SDslu, 327 SDs, 0 SdLazy, 87 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 470]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, retValue_acc=0, NULL=11, retValue_acc=0, NULL=24, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@8cd74a5=0, NULL=18, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@46170f1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@74956900=0, NULL=0, tmp=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25b5e03b=0, NULL=0, NULL=31, NULL=0, tmp___1=0, tmp___0=1, NULL=26, NULL=15, cleanupTimeShifts=4, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2adf5ca5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@52b5e50a=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7e99f147=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32af43d1=0, NULL=0, systemActive=1, waterLevel=1, NULL=14, \result=1, NULL=0, NULL=37, NULL=29, NULL=0, NULL=0, NULL=0, \result=1, retValue_acc=1, NULL=28, head=0, pumpRunning=0, tmp=1, NULL=35, \result=0, NULL=19, NULL=0, NULL=0, NULL=0, retValue_acc=1, NULL=38, NULL=23, NULL=22, NULL=16, tmp___2=56, NULL=17, tmp___0=0, NULL=27, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@745c3a8e=0, \result=0, NULL=36, NULL=12, NULL=8, tmp=0, tmp___1=0, head=0, NULL=0, NULL=0, NULL=20, NULL=0, NULL=0, NULL=34, NULL=33, NULL=0, NULL=39} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L173] int cleanupTimeShifts = 4; [L275] int pumpRunning = 0; [L276] int systemActive = 1; [L694] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L249] int retValue_acc ; [L250] int tmp ; [L155] int retValue_acc ; [L158] retValue_acc = 1 [L159] return (retValue_acc); [L256] tmp = valid_product() [L258] COND TRUE \read(tmp) [L461] int splverifierCounter ; [L462] int tmp ; [L463] int tmp___0 ; [L464] int tmp___1 ; [L465] int tmp___2 ; [L468] splverifierCounter = 0 Loop: [L470] COND TRUE 1 [L472] COND TRUE splverifierCounter < 4 [L478] tmp = __VERIFIER_nondet_int() [L480] COND FALSE !(\read(tmp)) [L488] tmp___0 = __VERIFIER_nondet_int() [L490] COND FALSE !(\read(tmp___0)) [L498] tmp___2 = __VERIFIER_nondet_int() [L500] COND TRUE \read(tmp___2) [L283] COND FALSE !(\read(pumpRunning)) [L290] COND TRUE \read(systemActive) [L312] int tmp ; [L315] COND FALSE !(\read(pumpRunning)) [L427] int tmp ; [L428] int tmp___0 ; [L429] int tmp___1 ; [L85] int retValue_acc ; [L88] retValue_acc = methaneLevelCritical [L89] return (retValue_acc); [L433] tmp = isMethaneLevelCritical() [L435] COND FALSE !(\read(tmp)) [L117] int retValue_acc ; [L120] retValue_acc = waterLevel [L121] return (retValue_acc); [L439] tmp___0 = getWaterLevel() [L441] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...