./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product57_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d8011f19-7b1a-441c-a1a3-5bd1574bcd3e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d8011f19-7b1a-441c-a1a3-5bd1574bcd3e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d8011f19-7b1a-441c-a1a3-5bd1574bcd3e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d8011f19-7b1a-441c-a1a3-5bd1574bcd3e/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product57_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d8011f19-7b1a-441c-a1a3-5bd1574bcd3e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d8011f19-7b1a-441c-a1a3-5bd1574bcd3e/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 57406ed1e8515a3807c9750d676c6ccf8b3f94ad .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:32:11,754 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:32:11,755 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:32:11,761 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:32:11,761 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:32:11,762 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:32:11,763 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:32:11,763 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:32:11,765 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:32:11,765 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:32:11,766 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:32:11,766 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:32:11,767 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:32:11,767 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:32:11,768 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:32:11,769 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:32:11,769 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:32:11,771 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:32:11,772 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:32:11,773 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:32:11,774 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:32:11,774 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:32:11,776 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:32:11,776 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:32:11,776 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:32:11,777 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:32:11,778 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:32:11,778 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:32:11,779 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:32:11,780 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:32:11,780 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:32:11,780 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:32:11,780 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:32:11,780 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:32:11,781 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:32:11,782 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:32:11,782 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d8011f19-7b1a-441c-a1a3-5bd1574bcd3e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 11:32:11,793 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:32:11,793 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:32:11,794 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:32:11,794 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:32:11,794 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:32:11,794 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 11:32:11,794 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 11:32:11,795 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 11:32:11,795 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 11:32:11,795 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 11:32:11,795 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 11:32:11,795 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:32:11,795 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:32:11,796 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 11:32:11,796 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:32:11,796 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:32:11,796 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:32:11,796 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 11:32:11,796 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 11:32:11,796 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 11:32:11,797 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:32:11,797 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:32:11,797 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 11:32:11,797 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:32:11,797 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 11:32:11,797 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:32:11,798 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:32:11,798 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 11:32:11,798 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:32:11,798 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:32:11,798 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 11:32:11,799 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 11:32:11,799 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_d8011f19-7b1a-441c-a1a3-5bd1574bcd3e/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 -> 57406ed1e8515a3807c9750d676c6ccf8b3f94ad [2018-11-18 11:32:11,822 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:32:11,831 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:32:11,834 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:32:11,835 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:32:11,835 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:32:11,836 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d8011f19-7b1a-441c-a1a3-5bd1574bcd3e/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product57_true-unreach-call_false-termination.cil.c [2018-11-18 11:32:11,871 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d8011f19-7b1a-441c-a1a3-5bd1574bcd3e/bin-2019/uautomizer/data/10ca127af/7a0ef1f4017d4e19aa43a7c46a1f3a42/FLAG3e74bcf52 [2018-11-18 11:32:12,198 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:32:12,198 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d8011f19-7b1a-441c-a1a3-5bd1574bcd3e/sv-benchmarks/c/product-lines/minepump_spec2_product57_true-unreach-call_false-termination.cil.c [2018-11-18 11:32:12,205 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d8011f19-7b1a-441c-a1a3-5bd1574bcd3e/bin-2019/uautomizer/data/10ca127af/7a0ef1f4017d4e19aa43a7c46a1f3a42/FLAG3e74bcf52 [2018-11-18 11:32:12,214 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d8011f19-7b1a-441c-a1a3-5bd1574bcd3e/bin-2019/uautomizer/data/10ca127af/7a0ef1f4017d4e19aa43a7c46a1f3a42 [2018-11-18 11:32:12,216 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:32:12,217 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:32:12,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:32:12,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:32:12,220 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:32:12,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:32:12" (1/1) ... [2018-11-18 11:32:12,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3be92882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:12, skipping insertion in model container [2018-11-18 11:32:12,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:32:12" (1/1) ... [2018-11-18 11:32:12,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:32:12,258 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:32:12,439 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:32:12,448 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:32:12,555 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:32:12,578 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:32:12,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:12 WrapperNode [2018-11-18 11:32:12,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:32:12,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:32:12,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:32:12,579 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:32:12,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:12" (1/1) ... [2018-11-18 11:32:12,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:12" (1/1) ... [2018-11-18 11:32:12,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:32:12,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:32:12,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:32:12,632 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:32:12,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:12" (1/1) ... [2018-11-18 11:32:12,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:12" (1/1) ... [2018-11-18 11:32:12,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:12" (1/1) ... [2018-11-18 11:32:12,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:12" (1/1) ... [2018-11-18 11:32:12,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:12" (1/1) ... [2018-11-18 11:32:12,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:12" (1/1) ... [2018-11-18 11:32:12,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:12" (1/1) ... [2018-11-18 11:32:12,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:32:12,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:32:12,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:32:12,666 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:32:12,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d8011f19-7b1a-441c-a1a3-5bd1574bcd3e/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 11:32:12,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:32:12,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:32:12,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:32:13,330 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:32:13,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:32:13 BoogieIcfgContainer [2018-11-18 11:32:13,330 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:32:13,331 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 11:32:13,331 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 11:32:13,333 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 11:32:13,334 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:32:13,334 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 11:32:12" (1/3) ... [2018-11-18 11:32:13,335 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6690a905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:32:13, skipping insertion in model container [2018-11-18 11:32:13,335 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:32:13,335 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:12" (2/3) ... [2018-11-18 11:32:13,336 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6690a905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:32:13, skipping insertion in model container [2018-11-18 11:32:13,336 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:32:13,336 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:32:13" (3/3) ... [2018-11-18 11:32:13,337 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product57_true-unreach-call_false-termination.cil.c [2018-11-18 11:32:13,373 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:32:13,373 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 11:32:13,374 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 11:32:13,374 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 11:32:13,374 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:32:13,374 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:32:13,374 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 11:32:13,374 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:32:13,374 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 11:32:13,389 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 192 states. [2018-11-18 11:32:13,412 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 124 [2018-11-18 11:32:13,413 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:32:13,413 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:32:13,419 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:32:13,419 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:32:13,419 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 11:32:13,419 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 192 states. [2018-11-18 11:32:13,426 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 124 [2018-11-18 11:32:13,426 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:32:13,426 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:32:13,427 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:32:13,427 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:32:13,431 INFO L794 eck$LassoCheckResult]: Stem: 169#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(13);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 79];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 110];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,3 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 44];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 80];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 117];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 109];#memory_int := #memory_int[#t~string25.base,4 + #t~string25.offset := 112];#memory_int := #memory_int[#t~string25.base,5 + #t~string25.offset := 58];#memory_int := #memory_int[#t~string25.base,6 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 79];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 110];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 79];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 102];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 102];#memory_int := #memory_int[#t~string29.base,3 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 41];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 32];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 10];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(21);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(30);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(9);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 17#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~6, main_~tmp~0;havoc main_~retValue_acc~6;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 19#L65true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 127#L58true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 14#L73true main_#t~ret11 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; 65#L276true assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 171#L250true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 106#L298true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 189#L558-3true [2018-11-18 11:32:13,432 INFO L796 eck$LassoCheckResult]: Loop: 189#L558-3true assume true; 186#L558-1true assume !false; 160#L559true assume test_~splverifierCounter~0 < 4; 47#L560true test_~tmp~7 := test_#t~nondet36;havoc test_#t~nondet36; 52#L568true assume !(0 != test_~tmp~7); 59#L568-2true test_~tmp___0~3 := test_#t~nondet37;havoc test_#t~nondet37; 164#L578true assume !(0 != test_~tmp___0~3); 167#L578-2true test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; 8#L588true assume 0 != test_~tmp___2~0; 182#L594-2true assume { :begin_inline_timeShift } true; 18#L340true assume !(0 != ~pumpRunning~0); 20#L340-2true assume !(0 != ~systemActive~0); 158#L347-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret12, __utac_acc__Specification2_spec__2_#t~ret13, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 174#L129-2true __utac_acc__Specification2_spec__2_#t~ret12 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret12;havoc __utac_acc__Specification2_spec__2_#t~ret12; 98#L309true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 66#L309-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 193#L357true assume { :end_inline_timeShift } true; 189#L558-3true [2018-11-18 11:32:13,437 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:13,437 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 11:32:13,439 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:32:13,439 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:32:13,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:13,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:13,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:13,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:32:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:32:13,593 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:13,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1338814043, now seen corresponding path program 1 times [2018-11-18 11:32:13,593 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:32:13,593 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:32:13,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:13,594 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:13,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:32:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:32:13,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:13,606 INFO L82 PathProgramCache]: Analyzing trace with hash 602872466, now seen corresponding path program 1 times [2018-11-18 11:32:13,606 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:32:13,606 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:32:13,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:13,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:13,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:13,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:32:13,739 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:32:13,739 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:32:13,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:32:13,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:32:13,845 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 6 states. [2018-11-18 11:32:13,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:32:13,992 INFO L93 Difference]: Finished difference Result 189 states and 247 transitions. [2018-11-18 11:32:13,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 11:32:13,994 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 189 states and 247 transitions. [2018-11-18 11:32:13,998 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 120 [2018-11-18 11:32:14,002 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 189 states to 179 states and 237 transitions. [2018-11-18 11:32:14,003 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 179 [2018-11-18 11:32:14,004 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 179 [2018-11-18 11:32:14,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 179 states and 237 transitions. [2018-11-18 11:32:14,006 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:32:14,006 INFO L705 BuchiCegarLoop]: Abstraction has 179 states and 237 transitions. [2018-11-18 11:32:14,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states and 237 transitions. [2018-11-18 11:32:14,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2018-11-18 11:32:14,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-11-18 11:32:14,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 237 transitions. [2018-11-18 11:32:14,038 INFO L728 BuchiCegarLoop]: Abstraction has 179 states and 237 transitions. [2018-11-18 11:32:14,038 INFO L608 BuchiCegarLoop]: Abstraction has 179 states and 237 transitions. [2018-11-18 11:32:14,038 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 11:32:14,038 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 179 states and 237 transitions. [2018-11-18 11:32:14,040 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 120 [2018-11-18 11:32:14,040 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:32:14,040 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:32:14,041 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:32:14,041 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:32:14,041 INFO L794 eck$LassoCheckResult]: Stem: 575#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(13);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 79];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 110];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,3 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 44];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 80];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 117];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 109];#memory_int := #memory_int[#t~string25.base,4 + #t~string25.offset := 112];#memory_int := #memory_int[#t~string25.base,5 + #t~string25.offset := 58];#memory_int := #memory_int[#t~string25.base,6 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 79];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 110];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 79];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 102];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 102];#memory_int := #memory_int[#t~string29.base,3 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 41];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 32];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 10];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(21);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(30);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(9);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 427#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~6, main_~tmp~0;havoc main_~retValue_acc~6;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 428#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 432#L58 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 424#L73 main_#t~ret11 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; 425#L276 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 487#L250 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 534#L298 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 535#L558-3 [2018-11-18 11:32:14,042 INFO L796 eck$LassoCheckResult]: Loop: 535#L558-3 assume true; 577#L558-1 assume !false; 570#L559 assume test_~splverifierCounter~0 < 4; 465#L560 test_~tmp~7 := test_#t~nondet36;havoc test_#t~nondet36; 466#L568 assume !(0 != test_~tmp~7); 474#L568-2 test_~tmp___0~3 := test_#t~nondet37;havoc test_#t~nondet37; 481#L578 assume !(0 != test_~tmp___0~3); 522#L578-2 test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; 414#L588 assume 0 != test_~tmp___2~0; 415#L594-2 assume { :begin_inline_timeShift } true; 429#L340 assume !(0 != ~pumpRunning~0); 430#L340-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 399#L398 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; 400#L372-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 490#L364-3 assume { :end_inline_processEnvironment__wrappee__base } true; 491#L372-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 408#L398-1 assume { :end_inline_processEnvironment } true; 409#L347-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret12, __utac_acc__Specification2_spec__2_#t~ret13, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 568#L129-2 __utac_acc__Specification2_spec__2_#t~ret12 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret12;havoc __utac_acc__Specification2_spec__2_#t~ret12; 525#L309 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 488#L309-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 489#L357 assume { :end_inline_timeShift } true; 535#L558-3 [2018-11-18 11:32:14,042 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:14,042 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 11:32:14,042 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:32:14,042 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:32:14,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:14,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:14,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:14,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:32:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:32:14,086 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:14,086 INFO L82 PathProgramCache]: Analyzing trace with hash 1312206151, now seen corresponding path program 1 times [2018-11-18 11:32:14,086 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:32:14,086 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:32:14,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:14,087 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:32:14,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:14,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:32:14,108 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:32:14,108 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:32:14,108 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 11:32:14,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:32:14,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:32:14,109 INFO L87 Difference]: Start difference. First operand 179 states and 237 transitions. cyclomatic complexity: 60 Second operand 3 states. [2018-11-18 11:32:14,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:32:14,178 INFO L93 Difference]: Finished difference Result 245 states and 313 transitions. [2018-11-18 11:32:14,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:32:14,179 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 245 states and 313 transitions. [2018-11-18 11:32:14,181 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 170 [2018-11-18 11:32:14,183 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 245 states to 245 states and 313 transitions. [2018-11-18 11:32:14,183 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 245 [2018-11-18 11:32:14,184 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 245 [2018-11-18 11:32:14,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 245 states and 313 transitions. [2018-11-18 11:32:14,185 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:32:14,185 INFO L705 BuchiCegarLoop]: Abstraction has 245 states and 313 transitions. [2018-11-18 11:32:14,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states and 313 transitions. [2018-11-18 11:32:14,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 245. [2018-11-18 11:32:14,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-11-18 11:32:14,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 313 transitions. [2018-11-18 11:32:14,195 INFO L728 BuchiCegarLoop]: Abstraction has 245 states and 313 transitions. [2018-11-18 11:32:14,195 INFO L608 BuchiCegarLoop]: Abstraction has 245 states and 313 transitions. [2018-11-18 11:32:14,195 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 11:32:14,195 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 245 states and 313 transitions. [2018-11-18 11:32:14,197 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 170 [2018-11-18 11:32:14,197 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:32:14,197 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:32:14,198 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:32:14,198 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:32:14,198 INFO L794 eck$LassoCheckResult]: Stem: 1019#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(13);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 79];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 110];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,3 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 44];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 80];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 117];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 109];#memory_int := #memory_int[#t~string25.base,4 + #t~string25.offset := 112];#memory_int := #memory_int[#t~string25.base,5 + #t~string25.offset := 58];#memory_int := #memory_int[#t~string25.base,6 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 79];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 110];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 79];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 102];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 102];#memory_int := #memory_int[#t~string29.base,3 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 41];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 32];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 10];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(21);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(30);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(9);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 854#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~6, main_~tmp~0;havoc main_~retValue_acc~6;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 855#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 858#L58 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 849#L73 main_#t~ret11 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; 850#L276 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 920#L250 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 966#L298 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 967#L558-3 [2018-11-18 11:32:14,198 INFO L796 eck$LassoCheckResult]: Loop: 967#L558-3 assume true; 1026#L558-1 assume !false; 1011#L559 assume test_~splverifierCounter~0 < 4; 1012#L560 test_~tmp~7 := test_#t~nondet36;havoc test_#t~nondet36; 1072#L568 assume !(0 != test_~tmp~7); 1070#L568-2 test_~tmp___0~3 := test_#t~nondet37;havoc test_#t~nondet37; 1068#L578 assume !(0 != test_~tmp___0~3); 1016#L578-2 test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; 1017#L588 assume 0 != test_~tmp___2~0; 1024#L594-2 assume { :begin_inline_timeShift } true; 856#L340 assume !(0 != ~pumpRunning~0); 857#L340-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 829#L398 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; 830#L372-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret34, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~4;havoc isHighWaterSensorDry_~retValue_acc~4; 876#L169-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~4 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~4; 877#L174-1 isHighWaterLevel_#t~ret34 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret34;havoc isHighWaterLevel_#t~ret34; 948#L518-3 assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~1 := 0; 949#L518-5 isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; 915#L524-1 processEnvironment__wrappee__highWaterSensor_#t~ret14 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret14;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14; 846#L376-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2);assume { :begin_inline_processEnvironment__wrappee__base } true; 848#L364-2 assume { :end_inline_processEnvironment__wrappee__base } true; 959#L372-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 870#L398-1 assume { :end_inline_processEnvironment } true; 1064#L347-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret12, __utac_acc__Specification2_spec__2_#t~ret13, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 1063#L129-2 __utac_acc__Specification2_spec__2_#t~ret12 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret12;havoc __utac_acc__Specification2_spec__2_#t~ret12; 1061#L309 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 1058#L309-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 1027#L357 assume { :end_inline_timeShift } true; 967#L558-3 [2018-11-18 11:32:14,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:14,199 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 11:32:14,199 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:32:14,199 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:32:14,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:14,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:14,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:14,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:32:14,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:32:14,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:14,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1138955743, now seen corresponding path program 1 times [2018-11-18 11:32:14,233 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:32:14,233 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:32:14,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:14,234 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:32:14,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:14,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:32:14,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:32:14,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:14,245 INFO L82 PathProgramCache]: Analyzing trace with hash 2138026312, now seen corresponding path program 1 times [2018-11-18 11:32:14,245 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:32:14,246 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:32:14,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:14,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:14,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:32:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:33:06,356 WARN L180 SmtUtils]: Spent 51.92 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 11:33:32,450 WARN L180 SmtUtils]: Spent 26.09 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 11:33:32,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 11:33:32 BoogieIcfgContainer [2018-11-18 11:33:32,507 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 11:33:32,507 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:33:32,507 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:33:32,507 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:33:32,508 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:32:13" (3/4) ... [2018-11-18 11:33:32,510 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 11:33:32,554 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d8011f19-7b1a-441c-a1a3-5bd1574bcd3e/bin-2019/uautomizer/witness.graphml [2018-11-18 11:33:32,554 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:33:32,555 INFO L168 Benchmark]: Toolchain (without parser) took 80338.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 957.6 MB in the beginning and 888.0 MB in the end (delta: 69.6 MB). Peak memory consumption was 232.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:33:32,555 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:33:32,555 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -166.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:33:32,556 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:33:32,556 INFO L168 Benchmark]: Boogie Preprocessor took 34.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:33:32,556 INFO L168 Benchmark]: RCFGBuilder took 664.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 82.5 MB). Peak memory consumption was 82.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:33:32,556 INFO L168 Benchmark]: BuchiAutomizer took 79176.06 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 27.3 MB). Free memory was 1.0 GB in the beginning and 893.9 MB in the end (delta: 142.0 MB). Peak memory consumption was 177.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:33:32,557 INFO L168 Benchmark]: Witness Printer took 46.96 ms. Allocated memory is still 1.2 GB. Free memory was 893.9 MB in the beginning and 888.0 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:33:32,558 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 361.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -166.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.29 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 664.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 82.5 MB). Peak memory consumption was 82.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 79176.06 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 27.3 MB). Free memory was 1.0 GB in the beginning and 893.9 MB in the end (delta: 142.0 MB). Peak memory consumption was 177.0 MB. Max. memory is 11.5 GB. * Witness Printer took 46.96 ms. Allocated memory is still 1.2 GB. Free memory was 893.9 MB in the beginning and 888.0 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 245 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 79.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 78.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 245 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 464 SDtfs, 901 SDslu, 113 SDs, 0 SdLazy, 38 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 558]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, "libacc.c"=0, ")"=33, "__utac__get_this_arg"=0, "libacc.c"=39, retValue_acc=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=0, "__utac__get_this_arg"=15, "__utac__get_this_argtype"=40, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f0b1c7e=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c3e8090=0, "OK"=34, tmp___0=0, "__utac__get_this_argtype"=0, "libacc.c"=0, "\n"=22, retValue_acc=0, tmp=0, "libacc.c"=8, "i > 0 && i <= this->argsCount"=0, "Env(Water:%i"=36, tmp___1=0, "Off"=24, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@598f655c=0, "Off"=28, ",Meth:"=0, "OK"=0, "CRIT"=0, "Env(Water:%i"=0, cleanupTimeShifts=4, ",Pump:"=27, ") "=23, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1244dc3a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d6f141c=160, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5555dfd1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7be7d7d0=0, ",Pump:"=0, "Off"=0, "On"=0, "On"=0, "Off"=0, NULL=0, systemActive=1, waterLevel=1, "__utac__get_this_argtype"=12, "i > 0 && i <= this->argsCount"=20, \result=0, retValue_acc=0, ")"=0, "__utac__get_this_arg"=18, "i > 0 && i <= this->argsCount"=0, ",Meth:"=35, \result=1, head=0, pumpRunning=0, tmp=1, \result=0, "On"=29, retValue_acc=1, "Pump(System:"=0, "i > 0 && i <= this->argsCount"=0, "\n"=0, \result=1, tmp___0=0, "i > 0 && i <= this->argsCount"=14, "i > 0 && i <= this->argsCount"=17, "__utac__get_this_argtype"=0, "libacc.c"=0, retValue_acc=1, tmp___0=0, tmp___2=160, tmp=1, splverifierCounter=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7517862b=0, methAndRunningLastTime=0, \result=0, "CRIT"=11, "i > 0 && i <= this->argsCount"=38, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ffedaf3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@441c50c6=0, "libacc.c"=19, tmp=0, head=0, "Pump(System:"=31, "On"=26, ") "=0, tmp=0, "libacc.c"=16} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 558]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L138] FCALL "Env(Water:%i" [L139] FCALL ",Meth:" [L143] FCALL "CRIT" [L147] FCALL "OK" [L151] FCALL ")" [L478] FCALL "Pump(System:" [L482] FCALL "On" [L486] FCALL "Off" [L490] FCALL ",Pump:" [L494] FCALL "On" [L498] FCALL "Off" [L502] FCALL ") " [L504] FCALL "\n" [L910] FCALL "i > 0 && i <= this->argsCount" [L910] FCALL "libacc.c" [L911] FCALL "__utac__get_this_arg" [L917] FCALL "i > 0 && i <= this->argsCount" [L917] FCALL "libacc.c" [L918] FCALL "__utac__get_this_arg" [L956] FCALL "i > 0 && i <= this->argsCount" [L956] FCALL "libacc.c" [L957] FCALL "__utac__get_this_argtype" [L963] FCALL "i > 0 && i <= this->argsCount" [L963] FCALL "libacc.c" [L964] FCALL "__utac__get_this_argtype" [L86] int waterLevel = 1; [L87] int methaneLevelCritical = 0; [L189] int cleanupTimeShifts = 4; [L292] int methAndRunningLastTime ; [L333] int pumpRunning = 0; [L334] int systemActive = 1; [L782] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L267] int retValue_acc ; [L268] int tmp ; [L272] FCALL select_helpers() [L273] FCALL select_features() [L274] CALL, EXPR valid_product() [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] RET return (retValue_acc); [L274] EXPR valid_product() [L274] tmp = valid_product() [L276] COND TRUE \read(tmp) [L278] FCALL setup() [L279] CALL runTest() [L260] CALL __utac_acc__Specification2_spec__1() [L297] RET methAndRunningLastTime = 0 [L260] __utac_acc__Specification2_spec__1() [L261] CALL test() [L549] int splverifierCounter ; [L550] int tmp ; [L551] int tmp___0 ; [L552] int tmp___1 ; [L553] int tmp___2 ; [L556] splverifierCounter = 0 Loop: [L558] COND TRUE 1 [L560] COND TRUE splverifierCounter < 4 [L566] tmp = __VERIFIER_nondet_int() [L568] COND FALSE !(\read(tmp)) [L576] tmp___0 = __VERIFIER_nondet_int() [L578] COND FALSE !(\read(tmp___0)) [L586] tmp___2 = __VERIFIER_nondet_int() [L588] COND TRUE \read(tmp___2) [L601] CALL timeShift() [L340] COND FALSE !(\read(pumpRunning)) [L347] COND TRUE \read(systemActive) [L349] CALL processEnvironment() [L395] int tmp ; [L398] COND FALSE !(\read(pumpRunning)) [L413] CALL processEnvironment__wrappee__highWaterSensor() [L369] int tmp ; [L372] COND TRUE ! pumpRunning [L374] CALL, EXPR isHighWaterLevel() [L510] int retValue_acc ; [L511] int tmp ; [L512] int tmp___0 ; [L516] CALL, EXPR isHighWaterSensorDry() [L166] int retValue_acc ; [L169] COND TRUE waterLevel < 2 [L170] retValue_acc = 1 [L171] RET return (retValue_acc); [L516] EXPR isHighWaterSensorDry() [L516] tmp = isHighWaterSensorDry() [L518] COND TRUE \read(tmp) [L519] tmp___0 = 0 [L523] retValue_acc = tmp___0 [L524] RET return (retValue_acc); [L374] EXPR isHighWaterLevel() [L374] tmp = isHighWaterLevel() [L376] COND FALSE !(\read(tmp)) [L382] RET, FCALL processEnvironment__wrappee__base() [L413] RET processEnvironment__wrappee__highWaterSensor() [L349] processEnvironment() [L355] CALL __utac_acc__Specification2_spec__2() [L302] int tmp ; [L303] int tmp___0 ; [L307] CALL, EXPR isMethaneLevelCritical() [L125] int retValue_acc ; [L128] retValue_acc = methaneLevelCritical [L129] RET return (retValue_acc); [L307] EXPR isMethaneLevelCritical() [L307] tmp = isMethaneLevelCritical() [L309] COND FALSE !(\read(tmp)) [L325] RET methAndRunningLastTime = 0 [L355] RET __utac_acc__Specification2_spec__2() [L601] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...