./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product17_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_6f53369e-47f4-4e25-addd-623f665b6f38/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6f53369e-47f4-4e25-addd-623f665b6f38/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6f53369e-47f4-4e25-addd-623f665b6f38/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6f53369e-47f4-4e25-addd-623f665b6f38/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product17_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6f53369e-47f4-4e25-addd-623f665b6f38/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6f53369e-47f4-4e25-addd-623f665b6f38/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 378658c69b6f2d1e1a968cdc968a143bcf4b9c50 ...................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:19:15,542 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:19:15,543 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:19:15,549 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:19:15,550 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:19:15,550 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:19:15,551 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:19:15,552 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:19:15,554 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:19:15,554 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:19:15,555 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:19:15,555 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:19:15,556 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:19:15,556 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:19:15,557 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:19:15,557 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:19:15,558 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:19:15,559 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:19:15,560 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:19:15,562 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:19:15,562 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:19:15,563 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:19:15,564 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:19:15,564 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:19:15,564 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:19:15,565 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:19:15,566 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:19:15,566 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:19:15,567 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:19:15,568 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:19:15,568 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:19:15,569 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:19:15,569 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:19:15,569 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:19:15,570 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:19:15,570 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:19:15,570 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6f53369e-47f4-4e25-addd-623f665b6f38/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 11:19:15,578 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:19:15,578 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:19:15,579 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:19:15,579 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:19:15,579 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:19:15,580 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 11:19:15,580 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 11:19:15,580 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 11:19:15,580 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 11:19:15,580 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 11:19:15,580 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 11:19:15,580 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:19:15,580 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:19:15,581 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 11:19:15,581 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:19:15,582 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:19:15,582 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:19:15,582 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 11:19:15,582 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 11:19:15,582 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 11:19:15,583 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:19:15,583 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:19:15,583 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 11:19:15,583 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:19:15,583 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 11:19:15,583 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:19:15,583 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:19:15,584 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 11:19:15,584 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:19:15,584 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:19:15,584 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 11:19:15,585 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 11:19:15,585 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_6f53369e-47f4-4e25-addd-623f665b6f38/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 -> 378658c69b6f2d1e1a968cdc968a143bcf4b9c50 [2018-11-18 11:19:15,610 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:19:15,619 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:19:15,622 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:19:15,623 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:19:15,623 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:19:15,624 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6f53369e-47f4-4e25-addd-623f665b6f38/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product17_true-unreach-call_false-termination.cil.c [2018-11-18 11:19:15,667 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6f53369e-47f4-4e25-addd-623f665b6f38/bin-2019/uautomizer/data/35bb75713/e297bf4c261e41f89936d1b533a47094/FLAGc1af83438 [2018-11-18 11:19:16,084 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:19:16,084 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6f53369e-47f4-4e25-addd-623f665b6f38/sv-benchmarks/c/product-lines/minepump_spec4_product17_true-unreach-call_false-termination.cil.c [2018-11-18 11:19:16,091 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6f53369e-47f4-4e25-addd-623f665b6f38/bin-2019/uautomizer/data/35bb75713/e297bf4c261e41f89936d1b533a47094/FLAGc1af83438 [2018-11-18 11:19:16,099 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6f53369e-47f4-4e25-addd-623f665b6f38/bin-2019/uautomizer/data/35bb75713/e297bf4c261e41f89936d1b533a47094 [2018-11-18 11:19:16,101 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:19:16,102 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:19:16,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:19:16,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:19:16,105 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:19:16,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:19:16" (1/1) ... [2018-11-18 11:19:16,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:19:16, skipping insertion in model container [2018-11-18 11:19:16,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:19:16" (1/1) ... [2018-11-18 11:19:16,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:19:16,143 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:19:16,324 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:19:16,333 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:19:16,447 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:19:16,469 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:19:16,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:19:16 WrapperNode [2018-11-18 11:19:16,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:19:16,470 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:19:16,470 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:19:16,470 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:19:16,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:19:16" (1/1) ... [2018-11-18 11:19:16,492 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:19:16" (1/1) ... [2018-11-18 11:19:16,518 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:19:16,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:19:16,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:19:16,518 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:19:16,527 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:19:16" (1/1) ... [2018-11-18 11:19:16,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:19:16" (1/1) ... [2018-11-18 11:19:16,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:19:16" (1/1) ... [2018-11-18 11:19:16,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:19:16" (1/1) ... [2018-11-18 11:19:16,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:19:16" (1/1) ... [2018-11-18 11:19:16,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:19:16" (1/1) ... [2018-11-18 11:19:16,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:19:16" (1/1) ... [2018-11-18 11:19:16,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:19:16,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:19:16,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:19:16,546 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:19:16,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:19:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f53369e-47f4-4e25-addd-623f665b6f38/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 11:19:16,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:19:16,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:19:16,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:19:17,133 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:19:17,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:19:17 BoogieIcfgContainer [2018-11-18 11:19:17,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:19:17,136 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 11:19:17,136 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 11:19:17,139 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 11:19:17,140 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:19:17,140 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 11:19:16" (1/3) ... [2018-11-18 11:19:17,143 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2224045e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:19:17, skipping insertion in model container [2018-11-18 11:19:17,143 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:19:17,144 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:19:16" (2/3) ... [2018-11-18 11:19:17,144 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2224045e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:19:17, skipping insertion in model container [2018-11-18 11:19:17,144 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:19:17,144 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:19:17" (3/3) ... [2018-11-18 11:19:17,146 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product17_true-unreach-call_false-termination.cil.c [2018-11-18 11:19:17,187 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:19:17,188 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 11:19:17,188 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 11:19:17,188 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 11:19:17,188 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:19:17,188 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:19:17,188 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 11:19:17,188 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:19:17,188 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 11:19:17,198 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2018-11-18 11:19:17,219 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2018-11-18 11:19:17,219 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:19:17,220 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:19:17,224 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:19:17,224 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 11:19:17,224 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 11:19:17,224 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2018-11-18 11:19:17,227 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2018-11-18 11:19:17,227 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:19:17,227 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:19:17,228 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:19:17,228 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 11:19:17,231 INFO L794 eck$LassoCheckResult]: Stem: 70#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(13);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 110];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 44];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 80];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 117];#memory_int := #memory_int[#t~string17.base,3 + #t~string17.offset := 109];#memory_int := #memory_int[#t~string17.base,4 + #t~string17.offset := 112];#memory_int := #memory_int[#t~string17.base,5 + #t~string17.offset := 58];#memory_int := #memory_int[#t~string17.base,6 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 110];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 79];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 102];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 102];#memory_int := #memory_int[#t~string21.base,3 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 41];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 32];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 10];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(13);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 44];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 77];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 101];#memory_int := #memory_int[#t~string30.base,3 + #t~string30.offset := 116];#memory_int := #memory_int[#t~string30.base,4 + #t~string30.offset := 104];#memory_int := #memory_int[#t~string30.base,5 + #t~string30.offset := 58];#memory_int := #memory_int[#t~string30.base,6 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 67];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 82];#memory_int := #memory_int[#t~string32.base,2 + #t~string32.offset := 73];#memory_int := #memory_int[#t~string32.base,3 + #t~string32.offset := 84];#memory_int := #memory_int[#t~string32.base,4 + #t~string32.offset := 0];call #t~string34.base, #t~string34.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string34.base,#t~string34.offset := 79];#memory_int := #memory_int[#t~string34.base,1 + #t~string34.offset := 75];#memory_int := #memory_int[#t~string34.base,2 + #t~string34.offset := 0];call #t~string36.base, #t~string36.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string36.base,#t~string36.offset := 41];#memory_int := #memory_int[#t~string36.base,1 + #t~string36.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(21);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~string64.base, #t~string64.offset := #Ultimate.alloc(30);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(25);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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret2, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 57#L204true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 4#L197true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 51#L212true main_#t~ret2 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret2;havoc main_#t~ret2; 102#L159true assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 80#L132true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 14#L227-3true [2018-11-18 11:19:17,232 INFO L796 eck$LassoCheckResult]: Loop: 14#L227-3true assume true; 16#L227-1true assume !false; 97#L228true assume test_~splverifierCounter~0 < 4; 31#L229true test_~tmp~2 := test_#t~nondet4;havoc test_#t~nondet4; 62#L237true assume !(0 != test_~tmp~2); 55#L237-2true test_~tmp___0~1 := test_#t~nondet5;havoc test_#t~nondet5; 105#L247true assume !(0 != test_~tmp___0~1); 103#L247-2true test_~tmp___2~0 := test_#t~nondet6;havoc test_#t~nondet6; 29#L257true assume 0 != test_~tmp___2~0; 5#L263-2true assume { :begin_inline_timeShift } true; 34#L295true assume !(0 != ~pumpRunning~0); 32#L295-2true assume !(0 != ~systemActive~0); 106#L302-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 44#L515true __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; 10#L51true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 9#L51-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 20#L312true assume { :end_inline_timeShift } true; 14#L227-3true [2018-11-18 11:19:17,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:19:17,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 11:19:17,237 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:19:17,238 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:19:17,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:19:17,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:19:17,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:19:17,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:19:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:19:17,428 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:19:17,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1833244307, now seen corresponding path program 1 times [2018-11-18 11:19:17,428 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:19:17,429 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:19:17,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:19:17,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:19:17,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:19:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:19:17,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:19:17,441 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:19:17,441 INFO L82 PathProgramCache]: Analyzing trace with hash 901562703, now seen corresponding path program 1 times [2018-11-18 11:19:17,442 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:19:17,442 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:19:17,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:19:17,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:19:17,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:19:17,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:19:17,567 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 11:19:17,568 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:19:17,569 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:19:17,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:19:17,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:19:17,636 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 6 states. [2018-11-18 11:19:17,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:19:17,750 INFO L93 Difference]: Finished difference Result 101 states and 126 transitions. [2018-11-18 11:19:17,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 11:19:17,752 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 101 states and 126 transitions. [2018-11-18 11:19:17,755 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62 [2018-11-18 11:19:17,761 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 101 states to 91 states and 116 transitions. [2018-11-18 11:19:17,762 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 91 [2018-11-18 11:19:17,762 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 91 [2018-11-18 11:19:17,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 91 states and 116 transitions. [2018-11-18 11:19:17,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:19:17,763 INFO L705 BuchiCegarLoop]: Abstraction has 91 states and 116 transitions. [2018-11-18 11:19:17,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states and 116 transitions. [2018-11-18 11:19:17,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-11-18 11:19:17,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-11-18 11:19:17,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 116 transitions. [2018-11-18 11:19:17,788 INFO L728 BuchiCegarLoop]: Abstraction has 91 states and 116 transitions. [2018-11-18 11:19:17,788 INFO L608 BuchiCegarLoop]: Abstraction has 91 states and 116 transitions. [2018-11-18 11:19:17,788 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 11:19:17,788 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 91 states and 116 transitions. [2018-11-18 11:19:17,789 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62 [2018-11-18 11:19:17,789 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:19:17,789 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:19:17,790 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:19:17,790 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] [2018-11-18 11:19:17,790 INFO L794 eck$LassoCheckResult]: Stem: 276#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(13);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 110];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 44];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 80];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 117];#memory_int := #memory_int[#t~string17.base,3 + #t~string17.offset := 109];#memory_int := #memory_int[#t~string17.base,4 + #t~string17.offset := 112];#memory_int := #memory_int[#t~string17.base,5 + #t~string17.offset := 58];#memory_int := #memory_int[#t~string17.base,6 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 110];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 79];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 102];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 102];#memory_int := #memory_int[#t~string21.base,3 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 41];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 32];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 10];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(13);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 44];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 77];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 101];#memory_int := #memory_int[#t~string30.base,3 + #t~string30.offset := 116];#memory_int := #memory_int[#t~string30.base,4 + #t~string30.offset := 104];#memory_int := #memory_int[#t~string30.base,5 + #t~string30.offset := 58];#memory_int := #memory_int[#t~string30.base,6 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 67];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 82];#memory_int := #memory_int[#t~string32.base,2 + #t~string32.offset := 73];#memory_int := #memory_int[#t~string32.base,3 + #t~string32.offset := 84];#memory_int := #memory_int[#t~string32.base,4 + #t~string32.offset := 0];call #t~string34.base, #t~string34.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string34.base,#t~string34.offset := 79];#memory_int := #memory_int[#t~string34.base,1 + #t~string34.offset := 75];#memory_int := #memory_int[#t~string34.base,2 + #t~string34.offset := 0];call #t~string36.base, #t~string36.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string36.base,#t~string36.offset := 41];#memory_int := #memory_int[#t~string36.base,1 + #t~string36.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(21);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~string64.base, #t~string64.offset := #Ultimate.alloc(30);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(25);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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 250#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret2, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 251#L204 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 230#L197 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 231#L212 main_#t~ret2 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret2;havoc main_#t~ret2; 249#L159 assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 289#L132 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 274#L227-3 [2018-11-18 11:19:17,790 INFO L796 eck$LassoCheckResult]: Loop: 274#L227-3 assume true; 275#L227-1 assume !false; 284#L228 assume test_~splverifierCounter~0 < 4; 309#L229 test_~tmp~2 := test_#t~nondet4;havoc test_#t~nondet4; 264#L237 assume !(0 != test_~tmp~2); 256#L237-2 test_~tmp___0~1 := test_#t~nondet5;havoc test_#t~nondet5; 257#L247 assume !(0 != test_~tmp___0~1); 302#L247-2 test_~tmp___2~0 := test_#t~nondet6;havoc test_#t~nondet6; 304#L257 assume 0 != test_~tmp___2~0; 228#L263-2 assume { :begin_inline_timeShift } true; 229#L295 assume !(0 != ~pumpRunning~0); 260#L295-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 305#L327 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 272#L319-1 assume { :end_inline_processEnvironment__wrappee__base } true; 273#L327-1 assume { :end_inline_processEnvironment } true; 306#L302-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 234#L515 __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; 235#L51 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 243#L51-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 244#L312 assume { :end_inline_timeShift } true; 274#L227-3 [2018-11-18 11:19:17,791 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:19:17,791 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 11:19:17,791 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:19:17,791 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:19:17,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:19:17,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:19:17,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:19:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:19:17,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:19:17,852 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:19:17,853 INFO L82 PathProgramCache]: Analyzing trace with hash 311146421, now seen corresponding path program 1 times [2018-11-18 11:19:17,853 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:19:17,853 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:19:17,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:19:17,854 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:19:17,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:19:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:19:17,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:19:17,863 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:19:17,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1336851591, now seen corresponding path program 1 times [2018-11-18 11:19:17,863 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:19:17,864 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:19:17,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:19:17,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:19:17,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:19:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:19:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:20:00,506 WARN L180 SmtUtils]: Spent 42.52 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 11:20:22,961 WARN L180 SmtUtils]: Spent 22.45 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 11:20:23,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 11:20:23 BoogieIcfgContainer [2018-11-18 11:20:23,022 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 11:20:23,022 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:20:23,022 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:20:23,022 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:20:23,023 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:19:17" (3/4) ... [2018-11-18 11:20:23,025 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 11:20:23,064 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6f53369e-47f4-4e25-addd-623f665b6f38/bin-2019/uautomizer/witness.graphml [2018-11-18 11:20:23,064 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:20:23,064 INFO L168 Benchmark]: Toolchain (without parser) took 66962.69 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 222.3 MB). Free memory was 956.6 MB in the beginning and 819.4 MB in the end (delta: 137.2 MB). Peak memory consumption was 359.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:20:23,065 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:20:23,065 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -178.8 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:20:23,065 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.95 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:20:23,066 INFO L168 Benchmark]: Boogie Preprocessor took 27.52 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:20:23,066 INFO L168 Benchmark]: RCFGBuilder took 589.70 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: 62.0 MB). Peak memory consumption was 62.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:20:23,066 INFO L168 Benchmark]: BuchiAutomizer took 65885.87 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 73.4 MB). Free memory was 1.1 GB in the beginning and 824.8 MB in the end (delta: 241.5 MB). Peak memory consumption was 314.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:20:23,067 INFO L168 Benchmark]: Witness Printer took 41.81 ms. Allocated memory is still 1.3 GB. Free memory was 824.8 MB in the beginning and 819.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:20:23,068 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 366.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -178.8 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.95 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.52 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 589.70 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: 62.0 MB). Peak memory consumption was 62.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 65885.87 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 73.4 MB). Free memory was 1.1 GB in the beginning and 824.8 MB in the end (delta: 241.5 MB). Peak memory consumption was 314.9 MB. Max. memory is 11.5 GB. * Witness Printer took 41.81 ms. Allocated memory is still 1.3 GB. Free memory was 824.8 MB in the beginning and 819.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 91 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 65.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 65.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 91 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 121 SDtfs, 368 SDslu, 4 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 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: 227]: 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 {"Off"=14, NULL=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=28, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39daaa15=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@779f285e=161, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@652f9b39=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d590af8=0, "__utac__get_this_arg"=0, "Pump(System:"=16, "i > 0 && i <= this->argsCount"=36, "libacc.c"=29, methaneLevelCritical=0, tmp=0, "libacc.c"=0, "__utac__get_this_argtype"=0, "libacc.c"=0, "__utac__get_this_argtype"=0, "libacc.c"=8, "i > 0 && i <= this->argsCount"=0, tmp___1=0, ") "=19, tmp___0=0, "Env(Water:%i"=22, ")"=27, cleanupTimeShifts=4, "OK"=26, "\n"=20, ",Pump:"=11, "\n"=0, ") "=0, "Off"=0, NULL=0, systemActive=1, waterLevel=1, "__utac__get_this_argtype"=40, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f9b75c3=0, \result=1, "CRIT"=0, ",Meth:"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@63f00877=0, "i > 0 && i <= this->argsCount"=33, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1bb5b1f1=0, "__utac__get_this_arg"=35, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=0, "libacc.c"=0, \result=1, head=0, pumpRunning=0, "__utac__get_this_arg"=31, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6580f3aa=0, "Off"=17, "On"=0, ")"=0, "__utac__get_this_argtype"=38, tmp=1, "Off"=0, "OK"=0, ",Pump:"=0, "i > 0 && i <= this->argsCount"=39, tmp=1, retValue_acc=1, retValue_acc=1, tmp___2=161, ",Meth:"=23, tmp___0=0, splverifierCounter=0, "libacc.c"=0, "libacc.c"=34, tmp=0, head=0, "Env(Water:%i"=0, "On"=12, "CRIT"=24, "On"=0, "Pump(System:"=0, "On"=15, "libacc.c"=37} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 227]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L389] FCALL "Pump(System:" [L393] FCALL "On" [L397] FCALL "Off" [L401] FCALL ",Pump:" [L405] FCALL "On" [L409] FCALL "Off" [L413] FCALL ") " [L415] FCALL "\n" [L492] FCALL "Env(Water:%i" [L493] FCALL ",Meth:" [L497] FCALL "CRIT" [L501] FCALL "OK" [L505] FCALL ")" [L826] FCALL "i > 0 && i <= this->argsCount" [L826] FCALL "libacc.c" [L827] FCALL "__utac__get_this_arg" [L833] FCALL "i > 0 && i <= this->argsCount" [L833] FCALL "libacc.c" [L834] FCALL "__utac__get_this_arg" [L872] FCALL "i > 0 && i <= this->argsCount" [L872] FCALL "libacc.c" [L873] FCALL "__utac__get_this_argtype" [L879] FCALL "i > 0 && i <= this->argsCount" [L879] FCALL "libacc.c" [L880] FCALL "__utac__get_this_argtype" [L69] int cleanupTimeShifts = 4; [L288] int pumpRunning = 0; [L289] int systemActive = 1; [L440] int waterLevel = 1; [L441] int methaneLevelCritical = 0; [L698] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L150] int retValue_acc ; [L151] int tmp ; [L155] FCALL select_helpers() [L156] FCALL select_features() [L157] CALL, EXPR valid_product() [L208] int retValue_acc ; [L211] retValue_acc = 1 [L212] RET return (retValue_acc); [L157] EXPR valid_product() [L157] tmp = valid_product() [L159] COND TRUE \read(tmp) [L161] FCALL setup() [L162] CALL runTest() [L141] CALL test() [L218] int splverifierCounter ; [L219] int tmp ; [L220] int tmp___0 ; [L221] int tmp___1 ; [L222] int tmp___2 ; [L225] splverifierCounter = 0 Loop: [L227] COND TRUE 1 [L229] COND TRUE splverifierCounter < 4 [L235] tmp = __VERIFIER_nondet_int() [L237] COND FALSE !(\read(tmp)) [L245] tmp___0 = __VERIFIER_nondet_int() [L247] COND FALSE !(\read(tmp___0)) [L255] tmp___2 = __VERIFIER_nondet_int() [L257] COND TRUE \read(tmp___2) [L270] CALL timeShift() [L295] COND FALSE !(\read(pumpRunning)) [L302] COND TRUE \read(systemActive) [L304] CALL processEnvironment() [L324] int tmp ; [L327] COND FALSE !(\read(pumpRunning)) [L342] RET, FCALL processEnvironment__wrappee__base() [L304] processEnvironment() [L310] CALL __utac_acc__Specification4_spec__1() [L44] int tmp ; [L45] int tmp___0 ; [L49] CALL, EXPR getWaterLevel() [L511] int retValue_acc ; [L514] retValue_acc = waterLevel [L515] RET return (retValue_acc); [L49] EXPR getWaterLevel() [L49] tmp = getWaterLevel() [L51] COND FALSE, RET !(tmp == 0) [L310] RET __utac_acc__Specification4_spec__1() [L270] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...