./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product02_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_4c3498f6-d8f4-4810-852a-66555643b1cd/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4c3498f6-d8f4-4810-852a-66555643b1cd/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4c3498f6-d8f4-4810-852a-66555643b1cd/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4c3498f6-d8f4-4810-852a-66555643b1cd/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product02_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4c3498f6-d8f4-4810-852a-66555643b1cd/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4c3498f6-d8f4-4810-852a-66555643b1cd/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 14bbe860e6ae6a1128c2aa8898396ae07ba8a16d ............................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 08:34:28,580 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:34:28,582 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:34:28,588 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:34:28,588 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:34:28,589 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:34:28,590 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:34:28,591 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:34:28,592 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:34:28,593 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:34:28,594 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:34:28,594 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:34:28,595 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:34:28,596 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:34:28,596 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:34:28,597 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:34:28,598 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:34:28,599 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:34:28,601 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:34:28,602 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:34:28,603 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:34:28,604 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:34:28,606 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:34:28,606 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:34:28,606 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:34:28,607 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:34:28,607 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:34:28,608 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:34:28,608 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:34:28,609 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:34:28,609 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:34:28,609 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:34:28,609 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:34:28,610 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:34:28,610 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:34:28,610 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:34:28,611 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4c3498f6-d8f4-4810-852a-66555643b1cd/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 08:34:28,619 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:34:28,619 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:34:28,620 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:34:28,620 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:34:28,621 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 08:34:28,621 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 08:34:28,621 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 08:34:28,621 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 08:34:28,621 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 08:34:28,621 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 08:34:28,621 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 08:34:28,622 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:34:28,622 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:34:28,622 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 08:34:28,622 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:34:28,622 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:34:28,622 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:34:28,622 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 08:34:28,622 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 08:34:28,623 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 08:34:28,624 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:34:28,625 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:34:28,625 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 08:34:28,625 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:34:28,625 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 08:34:28,625 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:34:28,625 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:34:28,625 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 08:34:28,626 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:34:28,626 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 08:34:28,626 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 08:34:28,626 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 08:34:28,627 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_4c3498f6-d8f4-4810-852a-66555643b1cd/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 -> 14bbe860e6ae6a1128c2aa8898396ae07ba8a16d [2018-11-18 08:34:28,652 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:34:28,662 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:34:28,665 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:34:28,666 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:34:28,666 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:34:28,667 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4c3498f6-d8f4-4810-852a-66555643b1cd/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product02_true-unreach-call_false-termination.cil.c [2018-11-18 08:34:28,712 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4c3498f6-d8f4-4810-852a-66555643b1cd/bin-2019/uautomizer/data/7d999a0af/b27ff90444d04b188f4d3c8e3dc30831/FLAG8d74e170c [2018-11-18 08:34:29,153 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:34:29,153 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4c3498f6-d8f4-4810-852a-66555643b1cd/sv-benchmarks/c/product-lines/minepump_spec1_product02_true-unreach-call_false-termination.cil.c [2018-11-18 08:34:29,160 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4c3498f6-d8f4-4810-852a-66555643b1cd/bin-2019/uautomizer/data/7d999a0af/b27ff90444d04b188f4d3c8e3dc30831/FLAG8d74e170c [2018-11-18 08:34:29,169 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4c3498f6-d8f4-4810-852a-66555643b1cd/bin-2019/uautomizer/data/7d999a0af/b27ff90444d04b188f4d3c8e3dc30831 [2018-11-18 08:34:29,172 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:34:29,173 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:34:29,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:29,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:34:29,177 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:34:29,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,179 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 08:34:29, skipping insertion in model container [2018-11-18 08:34:29,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:34:29,213 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:34:29,408 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:29,418 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:34:29,533 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:29,552 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:34:29,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29 WrapperNode [2018-11-18 08:34:29,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:29,553 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:34:29,553 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:34:29,553 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:34:29,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,574 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,598 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:34:29,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:34:29,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:34:29,598 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:34:29,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,609 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,623 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:34:29,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:34:29,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:34:29,623 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:34:29,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c3498f6-d8f4-4810-852a-66555643b1cd/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 08:34:29,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 08:34:29,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:34:29,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:34:30,120 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:34:30,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:30 BoogieIcfgContainer [2018-11-18 08:34:30,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:34:30,122 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 08:34:30,122 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 08:34:30,125 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 08:34:30,126 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:30,126 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:34:29" (1/3) ... [2018-11-18 08:34:30,127 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@653a8868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:34:30, skipping insertion in model container [2018-11-18 08:34:30,127 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:30,127 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (2/3) ... [2018-11-18 08:34:30,127 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@653a8868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:34:30, skipping insertion in model container [2018-11-18 08:34:30,127 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:30,128 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:30" (3/3) ... [2018-11-18 08:34:30,129 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product02_true-unreach-call_false-termination.cil.c [2018-11-18 08:34:30,167 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 08:34:30,168 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 08:34:30,168 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 08:34:30,168 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 08:34:30,168 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:34:30,168 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:34:30,168 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 08:34:30,168 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:34:30,168 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 08:34:30,178 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2018-11-18 08:34:30,193 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2018-11-18 08:34:30,193 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:30,193 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:30,198 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:30,198 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:30,198 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 08:34:30,198 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2018-11-18 08:34:30,201 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2018-11-18 08:34:30,201 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:30,201 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:30,201 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:30,202 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:30,205 INFO L794 eck$LassoCheckResult]: Stem: 35#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string3.base, #t~string3.offset := #Ultimate.alloc(13);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 79];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 110];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 102];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 102];#memory_int := #memory_int[#t~string7.base,3 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 44];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 80];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 117];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 109];#memory_int := #memory_int[#t~string9.base,4 + #t~string9.offset := 112];#memory_int := #memory_int[#t~string9.base,5 + #t~string9.offset := 58];#memory_int := #memory_int[#t~string9.base,6 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 110];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 41];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 32];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 10];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(13);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 44];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 77];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 101];#memory_int := #memory_int[#t~string28.base,3 + #t~string28.offset := 116];#memory_int := #memory_int[#t~string28.base,4 + #t~string28.offset := 104];#memory_int := #memory_int[#t~string28.base,5 + #t~string28.offset := 58];#memory_int := #memory_int[#t~string28.base,6 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 67];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 82];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 73];#memory_int := #memory_int[#t~string30.base,3 + #t~string30.offset := 84];#memory_int := #memory_int[#t~string30.base,4 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 79];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 75];#memory_int := #memory_int[#t~string32.base,2 + #t~string32.offset := 0];call #t~string34.base, #t~string34.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string34.base,#t~string34.offset := 41];#memory_int := #memory_int[#t~string34.base,1 + #t~string34.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(21);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(30);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 15#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 14#L383true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 3#L376true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 17#L391true main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 78#L130true assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 28#L103true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 64#L277-3true [2018-11-18 08:34:30,206 INFO L796 eck$LassoCheckResult]: Loop: 64#L277-3true assume true; 67#L277-1true assume !false; 38#L278true assume test_~splverifierCounter~0 < 4; 56#L279true test_~tmp~1 := test_#t~nondet18;havoc test_#t~nondet18; 70#L287true assume !(0 != test_~tmp~1); 50#L287-2true test_~tmp___0~0 := test_#t~nondet19;havoc test_#t~nondet19; 33#L297true assume !(0 != test_~tmp___0~0); 29#L297-2true test_~tmp___2~0 := test_#t~nondet20;havoc test_#t~nondet20; 16#L307true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 7#L263true assume { :end_inline_startSystem } true; 23#L315-2true assume { :begin_inline_timeShift } true; 72#L159true assume !(0 != ~pumpRunning~0); 51#L159-2true assume !(0 != ~systemActive~0); 46#L166-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret22, __utac_acc__Specification1_spec__1_#t~ret23, __utac_acc__Specification1_spec__1_~tmp~2, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~2;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 47#L440true __utac_acc__Specification1_spec__1_#t~ret22 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~2 := __utac_acc__Specification1_spec__1_#t~ret22;havoc __utac_acc__Specification1_spec__1_#t~ret22; 6#L343true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2); 9#L343-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 25#L176true assume { :end_inline_timeShift } true; 64#L277-3true [2018-11-18 08:34:30,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 08:34:30,212 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,212 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,241 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:30,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,363 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1210975155, now seen corresponding path program 1 times [2018-11-18 08:34:30,363 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,363 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:30,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:30,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:30,403 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:30,403 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:30,407 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 08:34:30,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:30,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:30,423 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 3 states. [2018-11-18 08:34:30,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:30,461 INFO L93 Difference]: Finished difference Result 75 states and 92 transitions. [2018-11-18 08:34:30,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:30,463 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 92 transitions. [2018-11-18 08:34:30,466 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2018-11-18 08:34:30,469 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 65 states and 81 transitions. [2018-11-18 08:34:30,470 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 65 [2018-11-18 08:34:30,471 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 65 [2018-11-18 08:34:30,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 81 transitions. [2018-11-18 08:34:30,472 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:34:30,472 INFO L705 BuchiCegarLoop]: Abstraction has 65 states and 81 transitions. [2018-11-18 08:34:30,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 81 transitions. [2018-11-18 08:34:30,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-11-18 08:34:30,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-11-18 08:34:30,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 81 transitions. [2018-11-18 08:34:30,502 INFO L728 BuchiCegarLoop]: Abstraction has 65 states and 81 transitions. [2018-11-18 08:34:30,502 INFO L608 BuchiCegarLoop]: Abstraction has 65 states and 81 transitions. [2018-11-18 08:34:30,502 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 08:34:30,502 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 81 transitions. [2018-11-18 08:34:30,504 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2018-11-18 08:34:30,504 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:30,504 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:30,504 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:30,505 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] [2018-11-18 08:34:30,505 INFO L794 eck$LassoCheckResult]: Stem: 204#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string3.base, #t~string3.offset := #Ultimate.alloc(13);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 79];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 110];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 102];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 102];#memory_int := #memory_int[#t~string7.base,3 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 44];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 80];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 117];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 109];#memory_int := #memory_int[#t~string9.base,4 + #t~string9.offset := 112];#memory_int := #memory_int[#t~string9.base,5 + #t~string9.offset := 58];#memory_int := #memory_int[#t~string9.base,6 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 110];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 41];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 32];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 10];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(13);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 44];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 77];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 101];#memory_int := #memory_int[#t~string28.base,3 + #t~string28.offset := 116];#memory_int := #memory_int[#t~string28.base,4 + #t~string28.offset := 104];#memory_int := #memory_int[#t~string28.base,5 + #t~string28.offset := 58];#memory_int := #memory_int[#t~string28.base,6 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 67];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 82];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 73];#memory_int := #memory_int[#t~string30.base,3 + #t~string30.offset := 84];#memory_int := #memory_int[#t~string30.base,4 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 79];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 75];#memory_int := #memory_int[#t~string32.base,2 + #t~string32.offset := 0];call #t~string34.base, #t~string34.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string34.base,#t~string34.offset := 41];#memory_int := #memory_int[#t~string34.base,1 + #t~string34.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(21);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(30);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 179#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 178#L383 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 162#L376 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 163#L391 main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 182#L130 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 195#L103 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 191#L277-3 [2018-11-18 08:34:30,505 INFO L796 eck$LassoCheckResult]: Loop: 191#L277-3 assume true; 224#L277-1 assume !false; 205#L278 assume test_~splverifierCounter~0 < 4; 206#L279 test_~tmp~1 := test_#t~nondet18;havoc test_#t~nondet18; 222#L287 assume !(0 != test_~tmp~1); 218#L287-2 test_~tmp___0~0 := test_#t~nondet19;havoc test_#t~nondet19; 199#L297 assume !(0 != test_~tmp___0~0); 196#L297-2 test_~tmp___2~0 := test_#t~nondet20;havoc test_#t~nondet20; 180#L307 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet21;havoc test_#t~nondet21; 181#L315 assume 0 != test_~tmp___1~0; 170#L315-2 assume { :begin_inline_timeShift } true; 188#L159 assume !(0 != ~pumpRunning~0); 211#L159-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 209#L183 assume { :end_inline_processEnvironment } true; 210#L166-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret22, __utac_acc__Specification1_spec__1_#t~ret23, __utac_acc__Specification1_spec__1_~tmp~2, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~2;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 214#L440 __utac_acc__Specification1_spec__1_#t~ret22 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~2 := __utac_acc__Specification1_spec__1_#t~ret22;havoc __utac_acc__Specification1_spec__1_#t~ret22; 166#L343 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2); 167#L343-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 171#L176 assume { :end_inline_timeShift } true; 191#L277-3 [2018-11-18 08:34:30,506 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 08:34:30,506 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,506 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:30,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,566 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,566 INFO L82 PathProgramCache]: Analyzing trace with hash -66834572, now seen corresponding path program 1 times [2018-11-18 08:34:30,566 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,566 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,567 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 08:34:30,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,577 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,577 INFO L82 PathProgramCache]: Analyzing trace with hash -2059658448, now seen corresponding path program 1 times [2018-11-18 08:34:30,577 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,577 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,578 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:30,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:36:16,158 WARN L180 SmtUtils]: Spent 1.76 m on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 08:36:57,061 WARN L180 SmtUtils]: Spent 40.90 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 08:36:57,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:36:57 BoogieIcfgContainer [2018-11-18 08:36:57,121 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 08:36:57,122 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:36:57,122 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:36:57,122 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:36:57,122 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:30" (3/4) ... [2018-11-18 08:36:57,125 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 08:36:57,163 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4c3498f6-d8f4-4810-852a-66555643b1cd/bin-2019/uautomizer/witness.graphml [2018-11-18 08:36:57,164 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:36:57,165 INFO L168 Benchmark]: Toolchain (without parser) took 147992.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 955.8 MB in the beginning and 1.0 GB in the end (delta: -55.9 MB). Peak memory consumption was 43.2 MB. Max. memory is 11.5 GB. [2018-11-18 08:36:57,165 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:36:57,166 INFO L168 Benchmark]: CACSL2BoogieTranslator took 379.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 955.8 MB in the beginning and 1.1 GB in the end (delta: -156.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2018-11-18 08:36:57,166 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:36:57,167 INFO L168 Benchmark]: Boogie Preprocessor took 24.99 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 08:36:57,167 INFO L168 Benchmark]: RCFGBuilder took 498.02 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: 53.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 11.5 GB. [2018-11-18 08:36:57,167 INFO L168 Benchmark]: BuchiAutomizer took 146999.65 ms. Allocated memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: -24.6 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 36.8 MB). Peak memory consumption was 204.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:36:57,168 INFO L168 Benchmark]: Witness Printer took 42.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:36:57,170 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 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 379.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 955.8 MB in the beginning and 1.1 GB in the end (delta: -156.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.99 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. * RCFGBuilder took 498.02 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: 53.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 146999.65 ms. Allocated memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: -24.6 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 36.8 MB). Peak memory consumption was 204.4 MB. Max. memory is 11.5 GB. * Witness Printer took 42.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB 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 3 locations. The remainder module has 65 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 146.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 146.7s. 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 65 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 89 SDtfs, 87 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 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: 277]: 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 {") "=29, NULL=0, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=18, "libacc.c"=0, retValue_acc=0, "Off"=35, "libacc.c"=12, "On"=33, "__utac__get_this_argtype"=8, "i > 0 && i <= this->argsCount"=17, methaneLevelCritical=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "__utac__get_this_argtype"=0, tmp___1=148, tmp___0=0, ",Meth:"=26, cleanupTimeShifts=4, ")"=22, tmp=0, "i > 0 && i <= this->argsCount"=20, "\n"=28, NULL=0, systemActive=1, waterLevel=1, "OK"=0, "CRIT"=0, "__utac__get_this_arg"=15, retValue_acc=0, "libacc.c"=0, tmp___0=0, "__utac__get_this_arg"=0, "__utac__get_this_arg"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, \result=1, head=0, pumpRunning=0, tmp=1, "libacc.c"=16, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ad31488=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5b4919de=0, "libacc.c"=38, ") "=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f03c231=0, tmp=0, ")"=0, "\n"=0, retValue_acc=1, "__utac__get_this_argtype"=39, "On"=36, tmp___2=0, "CRIT"=24, "Env(Water:%i"=27, splverifierCounter=0, "Pump(System:"=0, ",Pump:"=0, "Off"=0, "On"=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e13504f=0, ",Pump:"=34, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@26cc5425=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1750dadd=148, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7cb86888=0, "Env(Water:%i"=0, ",Meth:"=0, "OK"=23, "Pump(System:"=37, "Off"=0, "On"=0, "i > 0 && i <= this->argsCount"=14, "Off"=31, "libacc.c"=19, "i > 0 && i <= this->argsCount"=11} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 277]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L227] FCALL "Pump(System:" [L231] FCALL "On" [L235] FCALL "Off" [L239] FCALL ",Pump:" [L243] FCALL "On" [L247] FCALL "Off" [L251] FCALL ") " [L253] FCALL "\n" [L449] FCALL "Env(Water:%i" [L450] FCALL ",Meth:" [L454] FCALL "CRIT" [L458] FCALL "OK" [L462] FCALL ")" [L783] FCALL "i > 0 && i <= this->argsCount" [L783] FCALL "libacc.c" [L784] FCALL "__utac__get_this_arg" [L790] FCALL "i > 0 && i <= this->argsCount" [L790] FCALL "libacc.c" [L791] FCALL "__utac__get_this_arg" [L829] FCALL "i > 0 && i <= this->argsCount" [L829] FCALL "libacc.c" [L830] FCALL "__utac__get_this_argtype" [L836] FCALL "i > 0 && i <= this->argsCount" [L836] FCALL "libacc.c" [L837] FCALL "__utac__get_this_argtype" [L40] int cleanupTimeShifts = 4; [L151] int pumpRunning = 0; [L152] int systemActive = 1; [L397] int waterLevel = 1; [L398] int methaneLevelCritical = 0; [L655] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L121] int retValue_acc ; [L122] int tmp ; [L126] FCALL select_helpers() [L127] FCALL select_features() [L128] CALL, EXPR valid_product() [L387] int retValue_acc ; [L390] retValue_acc = 1 [L391] RET return (retValue_acc); [L128] EXPR valid_product() [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L132] FCALL setup() [L133] CALL runTest() [L112] CALL test() [L268] int splverifierCounter ; [L269] int tmp ; [L270] int tmp___0 ; [L271] int tmp___1 ; [L272] int tmp___2 ; [L275] splverifierCounter = 0 Loop: [L277] COND TRUE 1 [L279] COND TRUE splverifierCounter < 4 [L285] tmp = __VERIFIER_nondet_int() [L287] COND FALSE !(\read(tmp)) [L295] tmp___0 = __VERIFIER_nondet_int() [L297] COND FALSE !(\read(tmp___0)) [L305] tmp___2 = __VERIFIER_nondet_int() [L307] COND FALSE !(\read(tmp___2)) [L313] tmp___1 = __VERIFIER_nondet_int() [L315] COND TRUE \read(tmp___1) [L322] CALL timeShift() [L159] COND FALSE !(\read(pumpRunning)) [L166] COND TRUE \read(systemActive) [L168] FCALL processEnvironment() [L174] CALL __utac_acc__Specification1_spec__1() [L336] int tmp ; [L337] int tmp___0 ; [L341] CALL, EXPR isMethaneLevelCritical() [L436] int retValue_acc ; [L439] retValue_acc = methaneLevelCritical [L440] RET return (retValue_acc); [L341] EXPR isMethaneLevelCritical() [L341] tmp = isMethaneLevelCritical() [L343] COND FALSE, RET !(\read(tmp)) [L174] RET __utac_acc__Specification1_spec__1() [L322] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...