./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product21_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_b220c493-c60a-4e97-8f0e-027e16642dcf/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b220c493-c60a-4e97-8f0e-027e16642dcf/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b220c493-c60a-4e97-8f0e-027e16642dcf/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b220c493-c60a-4e97-8f0e-027e16642dcf/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product21_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b220c493-c60a-4e97-8f0e-027e16642dcf/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b220c493-c60a-4e97-8f0e-027e16642dcf/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 41732c82c4e13eae07071a147bbd53c9191b35d7 .......................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:11:19,082 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:11:19,084 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:11:19,092 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:11:19,092 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:11:19,093 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:11:19,094 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:11:19,095 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:11:19,096 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:11:19,097 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:11:19,098 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:11:19,098 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:11:19,098 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:11:19,099 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:11:19,100 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:11:19,100 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:11:19,101 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:11:19,102 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:11:19,104 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:11:19,105 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:11:19,106 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:11:19,107 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:11:19,108 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:11:19,108 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:11:19,108 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:11:19,109 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:11:19,110 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:11:19,110 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:11:19,111 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:11:19,112 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:11:19,112 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:11:19,112 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:11:19,112 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:11:19,113 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:11:19,113 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:11:19,114 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:11:19,114 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b220c493-c60a-4e97-8f0e-027e16642dcf/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 09:11:19,125 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:11:19,125 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:11:19,126 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:11:19,126 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:11:19,126 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:11:19,126 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 09:11:19,126 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 09:11:19,127 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 09:11:19,127 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 09:11:19,127 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 09:11:19,127 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 09:11:19,127 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:11:19,127 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:11:19,127 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 09:11:19,128 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:11:19,128 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:11:19,128 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:11:19,128 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 09:11:19,128 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 09:11:19,128 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 09:11:19,128 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:11:19,129 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:11:19,129 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 09:11:19,129 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:11:19,129 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 09:11:19,129 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:11:19,129 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:11:19,129 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 09:11:19,130 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:11:19,130 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 09:11:19,130 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 09:11:19,131 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 09:11:19,131 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_b220c493-c60a-4e97-8f0e-027e16642dcf/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 -> 41732c82c4e13eae07071a147bbd53c9191b35d7 [2018-11-18 09:11:19,153 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:11:19,162 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:11:19,164 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:11:19,166 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:11:19,166 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:11:19,166 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b220c493-c60a-4e97-8f0e-027e16642dcf/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product21_true-unreach-call_false-termination.cil.c [2018-11-18 09:11:19,204 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b220c493-c60a-4e97-8f0e-027e16642dcf/bin-2019/uautomizer/data/f35428afc/c2d319521efb4f249a55dbab759ff9df/FLAG370261755 [2018-11-18 09:11:19,640 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:11:19,641 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b220c493-c60a-4e97-8f0e-027e16642dcf/sv-benchmarks/c/product-lines/minepump_spec1_product21_true-unreach-call_false-termination.cil.c [2018-11-18 09:11:19,650 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b220c493-c60a-4e97-8f0e-027e16642dcf/bin-2019/uautomizer/data/f35428afc/c2d319521efb4f249a55dbab759ff9df/FLAG370261755 [2018-11-18 09:11:19,662 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b220c493-c60a-4e97-8f0e-027e16642dcf/bin-2019/uautomizer/data/f35428afc/c2d319521efb4f249a55dbab759ff9df [2018-11-18 09:11:19,664 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:11:19,665 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:11:19,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:11:19,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:11:19,669 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:11:19,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:11:19" (1/1) ... [2018-11-18 09:11:19,672 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 09:11:19, skipping insertion in model container [2018-11-18 09:11:19,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:11:19" (1/1) ... [2018-11-18 09:11:19,680 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:11:19,713 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:11:19,911 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:11:19,918 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:11:20,015 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:11:20,031 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:11:20,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:20 WrapperNode [2018-11-18 09:11:20,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:11:20,032 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:11:20,032 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:11:20,032 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:11:20,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:20" (1/1) ... [2018-11-18 09:11:20,047 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:20" (1/1) ... [2018-11-18 09:11:20,067 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:11:20,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:11:20,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:11:20,067 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:11:20,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:20" (1/1) ... [2018-11-18 09:11:20,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:20" (1/1) ... [2018-11-18 09:11:20,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:20" (1/1) ... [2018-11-18 09:11:20,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:20" (1/1) ... [2018-11-18 09:11:20,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:20" (1/1) ... [2018-11-18 09:11:20,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:20" (1/1) ... [2018-11-18 09:11:20,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:20" (1/1) ... [2018-11-18 09:11:20,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:11:20,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:11:20,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:11:20,091 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:11:20,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b220c493-c60a-4e97-8f0e-027e16642dcf/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 09:11:20,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:11:20,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:11:20,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:11:20,671 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:11:20,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:11:20 BoogieIcfgContainer [2018-11-18 09:11:20,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:11:20,672 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 09:11:20,673 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 09:11:20,675 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 09:11:20,676 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:11:20,676 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 09:11:19" (1/3) ... [2018-11-18 09:11:20,677 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@33a7bc62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:11:20, skipping insertion in model container [2018-11-18 09:11:20,677 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:11:20,677 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:20" (2/3) ... [2018-11-18 09:11:20,678 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@33a7bc62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:11:20, skipping insertion in model container [2018-11-18 09:11:20,678 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:11:20,678 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:11:20" (3/3) ... [2018-11-18 09:11:20,679 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product21_true-unreach-call_false-termination.cil.c [2018-11-18 09:11:20,716 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:11:20,717 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 09:11:20,717 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 09:11:20,717 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 09:11:20,717 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:11:20,717 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:11:20,717 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 09:11:20,717 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:11:20,717 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 09:11:20,728 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 152 states. [2018-11-18 09:11:20,747 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2018-11-18 09:11:20,747 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:11:20,747 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:11:20,753 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:11:20,754 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 09:11:20,754 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 09:11:20,754 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 152 states. [2018-11-18 09:11:20,759 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2018-11-18 09:11:20,760 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:11:20,760 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:11:20,760 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:11:20,760 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 09:11:20,765 INFO L794 eck$LassoCheckResult]: Stem: 99#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(13);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string41.base,#t~string41.offset := 44];#memory_int := #memory_int[#t~string41.base,1 + #t~string41.offset := 77];#memory_int := #memory_int[#t~string41.base,2 + #t~string41.offset := 101];#memory_int := #memory_int[#t~string41.base,3 + #t~string41.offset := 116];#memory_int := #memory_int[#t~string41.base,4 + #t~string41.offset := 104];#memory_int := #memory_int[#t~string41.base,5 + #t~string41.offset := 58];#memory_int := #memory_int[#t~string41.base,6 + #t~string41.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 67];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 82];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 73];#memory_int := #memory_int[#t~string43.base,3 + #t~string43.offset := 84];#memory_int := #memory_int[#t~string43.base,4 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 79];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 75];#memory_int := #memory_int[#t~string45.base,2 + #t~string45.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string47.base,#t~string47.offset := 41];#memory_int := #memory_int[#t~string47.base,1 + #t~string47.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(13);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 110];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 44];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 80];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 117];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 109];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 112];#memory_int := #memory_int[#t~string63.base,5 + #t~string63.offset := 58];#memory_int := #memory_int[#t~string63.base,6 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 79];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 110];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 41];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 32];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 10];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 3#L654true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 83#L647true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 28#L662true main_#t~ret37 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret37;havoc main_#t~ret37; 143#L525true assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 104#L498true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 90#L677-3true [2018-11-18 09:11:20,765 INFO L796 eck$LassoCheckResult]: Loop: 90#L677-3true assume true; 87#L677-1true assume !false; 59#L678true assume test_~splverifierCounter~0 < 4; 151#L679true test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 21#L687true assume !(0 != test_~tmp~5); 4#L687-2true test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 64#L697true assume !(0 != test_~tmp___0~1); 67#L697-2true test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 118#L707true assume 0 != test_~tmp___2~0; 84#L713-2true assume { :begin_inline_timeShift } true; 77#L741true assume !(0 != ~pumpRunning~0); 65#L741-2true assume !(0 != ~systemActive~0); 145#L748-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret35, __utac_acc__Specification1_spec__1_#t~ret36, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 97#L586-1true __utac_acc__Specification1_spec__1_#t~ret35 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret35;havoc __utac_acc__Specification1_spec__1_#t~ret35; 27#L417true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3); 32#L417-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 48#L758true assume { :end_inline_timeShift } true; 90#L677-3true [2018-11-18 09:11:20,768 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:11:20,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 09:11:20,770 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:11:20,770 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:11:20,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:11:20,798 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:11:20,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:11:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:11:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:11:20,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:11:20,912 INFO L82 PathProgramCache]: Analyzing trace with hash -952966733, now seen corresponding path program 1 times [2018-11-18 09:11:20,912 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:11:20,913 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:11:20,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:11:20,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:11:20,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:11:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:11:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:11:20,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:11:20,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1884648337, now seen corresponding path program 1 times [2018-11-18 09:11:20,925 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:11:20,926 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:11:20,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:11:20,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:11:20,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:11:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:11:21,034 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 09:11:21,035 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:11:21,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 09:11:21,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:11:21,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:11:21,120 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 6 states. [2018-11-18 09:11:21,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:11:21,257 INFO L93 Difference]: Finished difference Result 149 states and 189 transitions. [2018-11-18 09:11:21,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 09:11:21,259 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 149 states and 189 transitions. [2018-11-18 09:11:21,262 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 94 [2018-11-18 09:11:21,267 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 149 states to 139 states and 179 transitions. [2018-11-18 09:11:21,268 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 139 [2018-11-18 09:11:21,268 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 139 [2018-11-18 09:11:21,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 139 states and 179 transitions. [2018-11-18 09:11:21,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:11:21,270 INFO L705 BuchiCegarLoop]: Abstraction has 139 states and 179 transitions. [2018-11-18 09:11:21,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states and 179 transitions. [2018-11-18 09:11:21,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-11-18 09:11:21,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-11-18 09:11:21,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 179 transitions. [2018-11-18 09:11:21,296 INFO L728 BuchiCegarLoop]: Abstraction has 139 states and 179 transitions. [2018-11-18 09:11:21,296 INFO L608 BuchiCegarLoop]: Abstraction has 139 states and 179 transitions. [2018-11-18 09:11:21,296 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 09:11:21,297 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 139 states and 179 transitions. [2018-11-18 09:11:21,298 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 94 [2018-11-18 09:11:21,298 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:11:21,298 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:11:21,299 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:11:21,299 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:11:21,299 INFO L794 eck$LassoCheckResult]: Stem: 438#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(13);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string41.base,#t~string41.offset := 44];#memory_int := #memory_int[#t~string41.base,1 + #t~string41.offset := 77];#memory_int := #memory_int[#t~string41.base,2 + #t~string41.offset := 101];#memory_int := #memory_int[#t~string41.base,3 + #t~string41.offset := 116];#memory_int := #memory_int[#t~string41.base,4 + #t~string41.offset := 104];#memory_int := #memory_int[#t~string41.base,5 + #t~string41.offset := 58];#memory_int := #memory_int[#t~string41.base,6 + #t~string41.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 67];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 82];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 73];#memory_int := #memory_int[#t~string43.base,3 + #t~string43.offset := 84];#memory_int := #memory_int[#t~string43.base,4 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 79];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 75];#memory_int := #memory_int[#t~string45.base,2 + #t~string45.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string47.base,#t~string47.offset := 41];#memory_int := #memory_int[#t~string47.base,1 + #t~string47.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(13);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 110];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 44];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 80];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 117];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 109];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 112];#memory_int := #memory_int[#t~string63.base,5 + #t~string63.offset := 58];#memory_int := #memory_int[#t~string63.base,6 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 79];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 110];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 41];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 32];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 10];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 333#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 319#L654 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 320#L647 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 363#L662 main_#t~ret37 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret37;havoc main_#t~ret37; 364#L525 assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 441#L498 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 389#L677-3 [2018-11-18 09:11:21,299 INFO L796 eck$LassoCheckResult]: Loop: 389#L677-3 assume true; 432#L677-1 assume !false; 403#L678 assume test_~splverifierCounter~0 < 4; 404#L679 test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 352#L687 assume !(0 != test_~tmp~5); 321#L687-2 test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 322#L697 assume !(0 != test_~tmp___0~1); 413#L697-2 test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 416#L707 assume 0 != test_~tmp___2~0; 429#L713-2 assume { :begin_inline_timeShift } true; 425#L741 assume !(0 != ~pumpRunning~0); 357#L741-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret54, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; 414#L799 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret53, processEnvironment__wrappee__lowWaterSensor_~tmp~6;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~6; 422#L773-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 446#L765-3 assume { :end_inline_processEnvironment__wrappee__base } true; 328#L773-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 324#L799-1 assume { :end_inline_processEnvironment } true; 396#L748-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret35, __utac_acc__Specification1_spec__1_#t~ret36, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 437#L586-1 __utac_acc__Specification1_spec__1_#t~ret35 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret35;havoc __utac_acc__Specification1_spec__1_#t~ret35; 360#L417 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3); 361#L417-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 367#L758 assume { :end_inline_timeShift } true; 389#L677-3 [2018-11-18 09:11:21,299 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:11:21,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 09:11:21,300 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:11:21,300 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:11:21,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:11:21,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:11:21,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:11:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:11:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:11:21,343 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:11:21,343 INFO L82 PathProgramCache]: Analyzing trace with hash -371508048, now seen corresponding path program 1 times [2018-11-18 09:11:21,343 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:11:21,343 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:11:21,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:11:21,344 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:11:21,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:11:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:11:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:11:21,352 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:11:21,353 INFO L82 PathProgramCache]: Analyzing trace with hash 745334644, now seen corresponding path program 1 times [2018-11-18 09:11:21,353 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:11:21,353 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:11:21,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:11:21,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:11:21,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:11:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:11:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:12:47,637 WARN L180 SmtUtils]: Spent 1.44 m on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 09:13:32,689 WARN L180 SmtUtils]: Spent 45.05 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 09:13:32,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 09:13:32 BoogieIcfgContainer [2018-11-18 09:13:32,746 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 09:13:32,746 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:13:32,747 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:13:32,747 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:13:32,747 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:11:20" (3/4) ... [2018-11-18 09:13:32,749 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 09:13:32,788 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b220c493-c60a-4e97-8f0e-027e16642dcf/bin-2019/uautomizer/witness.graphml [2018-11-18 09:13:32,788 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:13:32,789 INFO L168 Benchmark]: Toolchain (without parser) took 133124.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 219.7 MB). Free memory was 955.4 MB in the beginning and 851.3 MB in the end (delta: 104.1 MB). Peak memory consumption was 323.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:13:32,789 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:13:32,790 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:13:32,790 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.58 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:13:32,790 INFO L168 Benchmark]: Boogie Preprocessor took 24.14 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 09:13:32,791 INFO L168 Benchmark]: RCFGBuilder took 580.76 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: 80.6 MB). Peak memory consumption was 80.6 MB. Max. memory is 11.5 GB. [2018-11-18 09:13:32,791 INFO L168 Benchmark]: BuchiAutomizer took 132073.79 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.1 MB). Free memory was 1.1 GB in the beginning and 851.3 MB in the end (delta: 205.5 MB). Peak memory consumption was 271.6 MB. Max. memory is 11.5 GB. [2018-11-18 09:13:32,791 INFO L168 Benchmark]: Witness Printer took 41.56 ms. Allocated memory is still 1.2 GB. Free memory is still 851.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:13:32,793 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 366.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.58 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 580.76 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: 80.6 MB). Peak memory consumption was 80.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 132073.79 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.1 MB). Free memory was 1.1 GB in the beginning and 851.3 MB in the end (delta: 205.5 MB). Peak memory consumption was 271.6 MB. Max. memory is 11.5 GB. * Witness Printer took 41.56 ms. Allocated memory is still 1.2 GB. Free memory is still 851.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 139 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 132.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 131.7s. 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 139 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 184 SDtfs, 557 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: 677]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, ")"=0, ",Pump:"=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1634cac9=0, "\n"=29, ",Meth:"=0, "OK"=0, "Off"=0, ",Pump:"=34, "CRIT"=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@42df3573=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@15913832=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5695a4dc=159, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39e9c1a8=0, "On"=0, ") "=0, tmp=0, ",Meth:"=39, "Off"=0, tmp=0, tmp___1=0, "__utac__get_this_argtype"=20, "__utac__get_this_arg"=24, "__utac__get_this_arg"=8, tmp___0=0, "libacc.c"=22, "Env(Water:%i"=40, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5320b937=0, "libacc.c"=17, "OK"=16, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, NULL=0, systemActive=1, waterLevel=1, ") "=28, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, ")"=37, retValue_acc=0, "Pump(System:"=0, \result=1, "i > 0 && i <= this->argsCount"=14, head=0, pumpRunning=0, "Pump(System:"=27, \result=0, "i > 0 && i <= this->argsCount"=11, tmp=1, "libacc.c"=0, tmp=0, "i > 0 && i <= this->argsCount"=0, "Off"=31, "Off"=35, "libacc.c"=26, retValue_acc=1, "\n"=0, tmp___2=159, "i > 0 && i <= this->argsCount"=19, tmp___0=0, splverifierCounter=0, "On"=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3bc42072=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@78e32b0b=0, "On"=36, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6e98c99a=0, head=0, "libacc.c"=0, "libacc.c"=12, "i > 0 && i <= this->argsCount"=23, "__utac__get_this_arg"=0, "__utac__get_this_argtype"=18, tmp=0, "Env(Water:%i"=0, "libacc.c"=0, "libacc.c"=0, "CRIT"=38, "On"=33} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 677]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L337] FCALL "i > 0 && i <= this->argsCount" [L337] FCALL "libacc.c" [L338] FCALL "__utac__get_this_arg" [L344] FCALL "i > 0 && i <= this->argsCount" [L344] FCALL "libacc.c" [L345] FCALL "__utac__get_this_arg" [L383] FCALL "i > 0 && i <= this->argsCount" [L383] FCALL "libacc.c" [L384] FCALL "__utac__get_this_argtype" [L390] FCALL "i > 0 && i <= this->argsCount" [L390] FCALL "libacc.c" [L391] FCALL "__utac__get_this_argtype" [L595] FCALL "Env(Water:%i" [L596] FCALL ",Meth:" [L600] FCALL "CRIT" [L604] FCALL "OK" [L608] FCALL ")" [L861] FCALL "Pump(System:" [L865] FCALL "On" [L869] FCALL "Off" [L873] FCALL ",Pump:" [L877] FCALL "On" [L881] FCALL "Off" [L885] FCALL ") " [L887] FCALL "\n" [L435] int cleanupTimeShifts = 4; [L543] int waterLevel = 1; [L544] int methaneLevelCritical = 0; [L734] int pumpRunning = 0; [L735] int systemActive = 1; [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L516] int retValue_acc ; [L517] int tmp ; [L521] FCALL select_helpers() [L522] FCALL select_features() [L523] CALL, EXPR valid_product() [L658] int retValue_acc ; [L661] retValue_acc = 1 [L662] RET return (retValue_acc); [L523] EXPR valid_product() [L523] tmp = valid_product() [L525] COND TRUE \read(tmp) [L527] FCALL setup() [L528] CALL runTest() [L507] CALL test() [L668] int splverifierCounter ; [L669] int tmp ; [L670] int tmp___0 ; [L671] int tmp___1 ; [L672] int tmp___2 ; [L675] splverifierCounter = 0 Loop: [L677] COND TRUE 1 [L679] COND TRUE splverifierCounter < 4 [L685] tmp = __VERIFIER_nondet_int() [L687] COND FALSE !(\read(tmp)) [L695] tmp___0 = __VERIFIER_nondet_int() [L697] COND FALSE !(\read(tmp___0)) [L705] tmp___2 = __VERIFIER_nondet_int() [L707] COND TRUE \read(tmp___2) [L720] CALL timeShift() [L741] COND FALSE !(\read(pumpRunning)) [L748] COND TRUE \read(systemActive) [L750] CALL processEnvironment() [L796] int tmp ; [L799] COND FALSE !(\read(pumpRunning)) [L814] CALL processEnvironment__wrappee__lowWaterSensor() [L770] int tmp ; [L773] COND FALSE !(\read(pumpRunning)) [L788] RET, FCALL processEnvironment__wrappee__base() [L814] RET processEnvironment__wrappee__lowWaterSensor() [L750] processEnvironment() [L756] CALL __utac_acc__Specification1_spec__1() [L410] int tmp ; [L411] int tmp___0 ; [L415] CALL, EXPR isMethaneLevelCritical() [L582] int retValue_acc ; [L585] retValue_acc = methaneLevelCritical [L586] RET return (retValue_acc); [L415] EXPR isMethaneLevelCritical() [L415] tmp = isMethaneLevelCritical() [L417] COND FALSE, RET !(\read(tmp)) [L756] RET __utac_acc__Specification1_spec__1() [L720] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...