./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product19_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_e233b2c5-ca40-4e9e-a7ab-6fd5d0978076/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e233b2c5-ca40-4e9e-a7ab-6fd5d0978076/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e233b2c5-ca40-4e9e-a7ab-6fd5d0978076/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e233b2c5-ca40-4e9e-a7ab-6fd5d0978076/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product19_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e233b2c5-ca40-4e9e-a7ab-6fd5d0978076/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e233b2c5-ca40-4e9e-a7ab-6fd5d0978076/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 db72a434ba2554f10f7540a58e5ab1c726dc8fbe ........................................................................................................................................................................................................................................................................................................................................................................................................ 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 09:47:32,061 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:47:32,062 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:47:32,071 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:47:32,071 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:47:32,072 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:47:32,072 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:47:32,074 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:47:32,076 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:47:32,076 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:47:32,077 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:47:32,077 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:47:32,078 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:47:32,078 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:47:32,079 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:47:32,080 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:47:32,080 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:47:32,083 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:47:32,084 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:47:32,086 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:47:32,087 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:47:32,088 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:47:32,090 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:47:32,090 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:47:32,091 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:47:32,091 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:47:32,092 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:47:32,093 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:47:32,094 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:47:32,095 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:47:32,095 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:47:32,095 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:47:32,096 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:47:32,096 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:47:32,096 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:47:32,097 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:47:32,098 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e233b2c5-ca40-4e9e-a7ab-6fd5d0978076/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 09:47:32,109 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:47:32,109 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:47:32,110 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:47:32,111 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:47:32,111 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:47:32,111 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 09:47:32,111 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 09:47:32,111 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 09:47:32,111 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 09:47:32,112 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 09:47:32,112 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 09:47:32,112 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:47:32,112 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:47:32,112 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 09:47:32,112 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:47:32,113 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:47:32,113 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:47:32,114 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 09:47:32,114 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 09:47:32,115 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 09:47:32,115 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:47:32,115 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:47:32,115 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 09:47:32,115 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:47:32,115 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 09:47:32,116 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:47:32,116 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:47:32,116 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 09:47:32,116 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:47:32,116 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 09:47:32,117 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 09:47:32,119 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 09:47:32,119 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_e233b2c5-ca40-4e9e-a7ab-6fd5d0978076/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 -> db72a434ba2554f10f7540a58e5ab1c726dc8fbe [2018-11-18 09:47:32,143 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:47:32,158 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:47:32,163 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:47:32,165 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:47:32,165 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:47:32,165 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e233b2c5-ca40-4e9e-a7ab-6fd5d0978076/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product19_true-unreach-call_false-termination.cil.c [2018-11-18 09:47:32,224 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e233b2c5-ca40-4e9e-a7ab-6fd5d0978076/bin-2019/uautomizer/data/3ff8fd681/2930a6e226664e5996dea5475d460e4c/FLAG745d98968 [2018-11-18 09:47:32,721 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:47:32,721 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e233b2c5-ca40-4e9e-a7ab-6fd5d0978076/sv-benchmarks/c/product-lines/minepump_spec1_product19_true-unreach-call_false-termination.cil.c [2018-11-18 09:47:32,731 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e233b2c5-ca40-4e9e-a7ab-6fd5d0978076/bin-2019/uautomizer/data/3ff8fd681/2930a6e226664e5996dea5475d460e4c/FLAG745d98968 [2018-11-18 09:47:33,039 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e233b2c5-ca40-4e9e-a7ab-6fd5d0978076/bin-2019/uautomizer/data/3ff8fd681/2930a6e226664e5996dea5475d460e4c [2018-11-18 09:47:33,042 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:47:33,043 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:47:33,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:47:33,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:47:33,054 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:47:33,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:47:33" (1/1) ... [2018-11-18 09:47:33,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44021729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:47:33, skipping insertion in model container [2018-11-18 09:47:33,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:47:33" (1/1) ... [2018-11-18 09:47:33,079 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:47:33,180 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:47:33,471 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:47:33,493 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:47:33,561 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:47:33,580 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:47:33,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:47:33 WrapperNode [2018-11-18 09:47:33,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:47:33,581 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:47:33,581 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:47:33,581 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:47:33,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:47:33" (1/1) ... [2018-11-18 09:47:33,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:47:33" (1/1) ... [2018-11-18 09:47:33,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:47:33,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:47:33,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:47:33,715 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:47:33,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:47:33" (1/1) ... [2018-11-18 09:47:33,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:47:33" (1/1) ... [2018-11-18 09:47:33,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:47:33" (1/1) ... [2018-11-18 09:47:33,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:47:33" (1/1) ... [2018-11-18 09:47:33,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:47:33" (1/1) ... [2018-11-18 09:47:33,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:47:33" (1/1) ... [2018-11-18 09:47:33,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:47:33" (1/1) ... [2018-11-18 09:47:33,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:47:33,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:47:33,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:47:33,747 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:47:33,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:47:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e233b2c5-ca40-4e9e-a7ab-6fd5d0978076/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 09:47:33,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:47:33,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:47:33,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:47:34,566 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:47:34,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:47:34 BoogieIcfgContainer [2018-11-18 09:47:34,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:47:34,567 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 09:47:34,567 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 09:47:34,570 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 09:47:34,570 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:47:34,570 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 09:47:33" (1/3) ... [2018-11-18 09:47:34,571 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d685895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:47:34, skipping insertion in model container [2018-11-18 09:47:34,571 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:47:34,571 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:47:33" (2/3) ... [2018-11-18 09:47:34,572 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d685895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:47:34, skipping insertion in model container [2018-11-18 09:47:34,572 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:47:34,572 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:47:34" (3/3) ... [2018-11-18 09:47:34,573 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product19_true-unreach-call_false-termination.cil.c [2018-11-18 09:47:34,608 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:47:34,608 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 09:47:34,609 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 09:47:34,609 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 09:47:34,609 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:47:34,609 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:47:34,609 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 09:47:34,609 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:47:34,609 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 09:47:34,619 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2018-11-18 09:47:34,637 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2018-11-18 09:47:34,637 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:47:34,637 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:47:34,642 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:47:34,642 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 09:47:34,642 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 09:47:34,642 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2018-11-18 09:47:34,646 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2018-11-18 09:47:34,646 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:47:34,646 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:47:34,646 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:47:34,646 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 09:47:34,650 INFO L794 eck$LassoCheckResult]: Stem: 82#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(7);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 44];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 77];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 101];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 116];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 104];#memory_int := #memory_int[#t~string5.base,5 + #t~string5.offset := 58];#memory_int := #memory_int[#t~string5.base,6 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 67];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 82];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 73];#memory_int := #memory_int[#t~string7.base,3 + #t~string7.offset := 84];#memory_int := #memory_int[#t~string7.base,4 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 75];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 41];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 0];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(21);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(21);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(30);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(9);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(25);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(25);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(13);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 79];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 110];#memory_int := #memory_int[#t~string54.base,2 + #t~string54.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 79];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 102];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 102];#memory_int := #memory_int[#t~string56.base,3 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 44];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 80];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 117];#memory_int := #memory_int[#t~string58.base,3 + #t~string58.offset := 109];#memory_int := #memory_int[#t~string58.base,4 + #t~string58.offset := 112];#memory_int := #memory_int[#t~string58.base,5 + #t~string58.offset := 58];#memory_int := #memory_int[#t~string58.base,6 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 110];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 41];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 32];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 10];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 13#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret48, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 79#L564true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 27#L557true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 103#L572true main_#t~ret48 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret48;havoc main_#t~ret48; 18#L662true assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 101#L638true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 76#L856-3true [2018-11-18 09:47:34,651 INFO L796 eck$LassoCheckResult]: Loop: 76#L856-3true assume true; 70#L856-1true assume !false; 25#L857true assume test_~splverifierCounter~0 < 4; 110#L858true test_~tmp~7 := test_#t~nondet68;havoc test_#t~nondet68; 5#L866true assume !(0 != test_~tmp~7); 10#L866-2true test_~tmp___0~2 := test_#t~nondet69;havoc test_#t~nondet69; 39#L876true assume !(0 != test_~tmp___0~2); 44#L876-2true test_~tmp___2~0 := test_#t~nondet70;havoc test_#t~nondet70; 93#L886true assume 0 != test_~tmp___2~0; 62#L892-2true assume { :begin_inline_timeShift } true; 35#L686true assume !(0 != ~pumpRunning~0); 40#L686-2true assume !(0 != ~systemActive~0); 98#L693-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 58#L127true __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; 11#L51true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 8#L51-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 29#L703true assume { :end_inline_timeShift } true; 76#L856-3true [2018-11-18 09:47:34,655 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:47:34,655 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 09:47:34,656 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:47:34,657 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:47:34,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:47:34,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:47:34,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:47:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:47:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:47:34,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:47:34,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1027345427, now seen corresponding path program 1 times [2018-11-18 09:47:34,862 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:47:34,862 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:47:34,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:47:34,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:47:34,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:47:34,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:47:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:47:34,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:47:34,879 INFO L82 PathProgramCache]: Analyzing trace with hash 95663823, now seen corresponding path program 1 times [2018-11-18 09:47:34,879 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:47:34,879 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:47:34,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:47:34,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:47:34,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:47:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:47:35,097 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 09:47:35,098 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:47:35,099 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 09:47:35,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:47:35,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:47:35,257 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 6 states. [2018-11-18 09:47:35,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:47:35,521 INFO L93 Difference]: Finished difference Result 269 states and 341 transitions. [2018-11-18 09:47:35,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 09:47:35,523 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 269 states and 341 transitions. [2018-11-18 09:47:35,529 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 173 [2018-11-18 09:47:35,540 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 269 states to 239 states and 311 transitions. [2018-11-18 09:47:35,541 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 239 [2018-11-18 09:47:35,542 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 239 [2018-11-18 09:47:35,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 239 states and 311 transitions. [2018-11-18 09:47:35,543 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:47:35,544 INFO L705 BuchiCegarLoop]: Abstraction has 239 states and 311 transitions. [2018-11-18 09:47:35,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states and 311 transitions. [2018-11-18 09:47:35,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 149. [2018-11-18 09:47:35,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-11-18 09:47:35,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 194 transitions. [2018-11-18 09:47:35,579 INFO L728 BuchiCegarLoop]: Abstraction has 149 states and 194 transitions. [2018-11-18 09:47:35,579 INFO L608 BuchiCegarLoop]: Abstraction has 149 states and 194 transitions. [2018-11-18 09:47:35,579 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 09:47:35,579 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 149 states and 194 transitions. [2018-11-18 09:47:35,582 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 108 [2018-11-18 09:47:35,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:47:35,582 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:47:35,585 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:47:35,586 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:47:35,586 INFO L794 eck$LassoCheckResult]: Stem: 458#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(7);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 44];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 77];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 101];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 116];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 104];#memory_int := #memory_int[#t~string5.base,5 + #t~string5.offset := 58];#memory_int := #memory_int[#t~string5.base,6 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 67];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 82];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 73];#memory_int := #memory_int[#t~string7.base,3 + #t~string7.offset := 84];#memory_int := #memory_int[#t~string7.base,4 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 75];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 41];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 0];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(21);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(21);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(30);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(9);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(25);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(25);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(13);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 79];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 110];#memory_int := #memory_int[#t~string54.base,2 + #t~string54.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 79];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 102];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 102];#memory_int := #memory_int[#t~string56.base,3 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 44];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 80];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 117];#memory_int := #memory_int[#t~string58.base,3 + #t~string58.offset := 109];#memory_int := #memory_int[#t~string58.base,4 + #t~string58.offset := 112];#memory_int := #memory_int[#t~string58.base,5 + #t~string58.offset := 58];#memory_int := #memory_int[#t~string58.base,6 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 110];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 41];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 32];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 10];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 424#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret48, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 425#L564 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 455#L557 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 470#L572 main_#t~ret48 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret48;havoc main_#t~ret48; 450#L662 assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 451#L638 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 453#L856-3 [2018-11-18 09:47:35,586 INFO L796 eck$LassoCheckResult]: Loop: 453#L856-3 assume true; 444#L856-1 assume !false; 445#L857 assume test_~splverifierCounter~0 < 4; 468#L858 test_~tmp~7 := test_#t~nondet68;havoc test_#t~nondet68; 410#L866 assume !(0 != test_~tmp~7); 411#L866-2 test_~tmp___0~2 := test_#t~nondet69;havoc test_#t~nondet69; 422#L876 assume !(0 != test_~tmp___0~2); 439#L876-2 test_~tmp___2~0 := test_#t~nondet70;havoc test_#t~nondet70; 476#L886 assume 0 != test_~tmp___2~0; 428#L892-2 assume { :begin_inline_timeShift } true; 431#L686 assume !(0 != ~pumpRunning~0); 488#L686-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 469#L718 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 467#L710-1 assume { :end_inline_processEnvironment__wrappee__base } true; 465#L718-1 assume { :end_inline_processEnvironment } true; 471#L693-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 426#L127 __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; 423#L51 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 418#L51-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 419#L703 assume { :end_inline_timeShift } true; 453#L856-3 [2018-11-18 09:47:35,587 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:47:35,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 09:47:35,587 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:47:35,587 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:47:35,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:47:35,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:47:35,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:47:35,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:47:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:47:35,649 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:47:35,649 INFO L82 PathProgramCache]: Analyzing trace with hash 644807904, now seen corresponding path program 1 times [2018-11-18 09:47:35,649 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:47:35,649 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:47:35,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:47:35,650 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:47:35,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:47:35,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:47:35,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:47:35,659 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:47:35,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1003190108, now seen corresponding path program 1 times [2018-11-18 09:47:35,660 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:47:35,660 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:47:35,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:47:35,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:47:35,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:47:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:47:35,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:47:35,907 WARN L180 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-11-18 09:47:36,250 WARN L180 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-11-18 09:48:16,515 WARN L180 SmtUtils]: Spent 40.25 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 09:48:38,117 WARN L180 SmtUtils]: Spent 21.60 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 09:48:38,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 09:48:38 BoogieIcfgContainer [2018-11-18 09:48:38,184 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 09:48:38,185 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:48:38,185 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:48:38,185 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:48:38,187 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:47:34" (3/4) ... [2018-11-18 09:48:38,189 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 09:48:38,228 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e233b2c5-ca40-4e9e-a7ab-6fd5d0978076/bin-2019/uautomizer/witness.graphml [2018-11-18 09:48:38,228 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:48:38,229 INFO L168 Benchmark]: Toolchain (without parser) took 65186.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 186.6 MB). Free memory was 958.0 MB in the beginning and 855.8 MB in the end (delta: 102.2 MB). Peak memory consumption was 288.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:48:38,229 INFO L168 Benchmark]: CDTParser took 0.18 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 09:48:38,229 INFO L168 Benchmark]: CACSL2BoogieTranslator took 536.61 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 935.4 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2018-11-18 09:48:38,230 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 935.4 MB in the beginning and 1.1 GB in the end (delta: -177.1 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:48:38,230 INFO L168 Benchmark]: Boogie Preprocessor took 33.43 ms. Allocated memory is still 1.1 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 09:48:38,230 INFO L168 Benchmark]: RCFGBuilder took 820.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 62.2 MB). Peak memory consumption was 62.2 MB. Max. memory is 11.5 GB. [2018-11-18 09:48:38,231 INFO L168 Benchmark]: BuchiAutomizer took 63617.24 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 66.6 MB). Free memory was 1.0 GB in the beginning and 861.0 MB in the end (delta: 186.0 MB). Peak memory consumption was 270.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:48:38,231 INFO L168 Benchmark]: Witness Printer took 43.19 ms. Allocated memory is still 1.2 GB. Free memory was 861.0 MB in the beginning and 855.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. [2018-11-18 09:48:38,232 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 536.61 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 935.4 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 131.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 935.4 MB in the beginning and 1.1 GB in the end (delta: -177.1 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.43 ms. Allocated memory is still 1.1 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. * RCFGBuilder took 820.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 62.2 MB). Peak memory consumption was 62.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 63617.24 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 66.6 MB). Free memory was 1.0 GB in the beginning and 861.0 MB in the end (delta: 186.0 MB). Peak memory consumption was 270.8 MB. Max. memory is 11.5 GB. * Witness Printer took 43.19 ms. Allocated memory is still 1.2 GB. Free memory was 861.0 MB in the beginning and 855.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 149 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 63.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 63.1s. Construction of modules took 0.2s. 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, 90 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 149 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 129 SDtfs, 485 SDslu, 685 SDs, 0 SdLazy, 42 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s 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: 856]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, retValue_acc=0, ") "=0, "Off"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7e48a29b=0, "libacc.c"=0, "__utac__get_this_argtype"=0, "__utac__get_this_argtype"=0, "CRIT"=29, "On"=0, retValue_acc=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, ")"=27, ") "=34, "Off"=35, methaneLevelCritical=0, "__utac__get_this_argtype"=16, "i > 0 && i <= this->argsCount"=22, "\n"=0, tmp=0, tmp___1=0, tmp___0=0, "i > 0 && i <= this->argsCount"=18, cleanupTimeShifts=4, "libacc.c"=20, "libacc.c"=24, "i > 0 && i <= this->argsCount"=15, NULL=0, systemActive=1, waterLevel=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2fff1b8a=0, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, ",Pump:"=37, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28b45034=0, "__utac__get_this_argtype"=12, "On"=0, "Pump(System:"=0, "On"=38, ",Pump:"=0, "Off"=0, \result=1, head=0, pumpRunning=0, \result=0, "Pump(System:"=8, tmp=1, "\n"=40, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@78d8b3bd=0, "__utac__get_this_arg"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@225669d=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1cbe0c30=0, "libacc.c"=0, "__utac__get_this_arg"=19, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a594e7b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@534b1f8e=163, retValue_acc=1, ",Meth:"=31, tmp___2=163, tmp___0=0, "i > 0 && i <= this->argsCount"=26, splverifierCounter=0, "Env(Water:%i"=0, "OK"=0, "CRIT"=0, ",Meth:"=0, \result=0, "OK"=28, head=0, tmp=0, "__utac__get_this_arg"=23, "i > 0 && i <= this->argsCount"=0, "Env(Water:%i"=33, "libacc.c"=0, "libacc.c"=14, "libacc.c"=17, ")"=0, "Off"=39, "On"=11} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 856]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L136] FCALL "Env(Water:%i" [L137] FCALL ",Meth:" [L141] FCALL "CRIT" [L145] FCALL "OK" [L149] FCALL ")" [L470] FCALL "i > 0 && i <= this->argsCount" [L470] FCALL "libacc.c" [L471] FCALL "__utac__get_this_arg" [L477] FCALL "i > 0 && i <= this->argsCount" [L477] FCALL "libacc.c" [L478] FCALL "__utac__get_this_arg" [L516] FCALL "i > 0 && i <= this->argsCount" [L516] FCALL "libacc.c" [L517] FCALL "__utac__get_this_argtype" [L523] FCALL "i > 0 && i <= this->argsCount" [L523] FCALL "libacc.c" [L524] FCALL "__utac__get_this_argtype" [L780] FCALL "Pump(System:" [L784] FCALL "On" [L788] FCALL "Off" [L792] FCALL ",Pump:" [L796] FCALL "On" [L800] FCALL "Off" [L804] FCALL ") " [L806] FCALL "\n" [L84] int waterLevel = 1; [L85] int methaneLevelCritical = 0; [L577] int cleanupTimeShifts = 4; [L679] int pumpRunning = 0; [L680] int systemActive = 1; [L342] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L653] int retValue_acc ; [L654] int tmp ; [L658] FCALL select_helpers() [L659] FCALL select_features() [L660] CALL, EXPR valid_product() [L568] int retValue_acc ; [L571] retValue_acc = 1 [L572] RET return (retValue_acc); [L660] EXPR valid_product() [L660] tmp = valid_product() [L662] COND TRUE \read(tmp) [L664] FCALL setup() [L665] CALL runTest() [L647] CALL test() [L847] int splverifierCounter ; [L848] int tmp ; [L849] int tmp___0 ; [L850] int tmp___1 ; [L851] int tmp___2 ; [L854] splverifierCounter = 0 Loop: [L856] COND TRUE 1 [L858] COND TRUE splverifierCounter < 4 [L864] tmp = __VERIFIER_nondet_int() [L866] COND FALSE !(\read(tmp)) [L874] tmp___0 = __VERIFIER_nondet_int() [L876] COND FALSE !(\read(tmp___0)) [L884] tmp___2 = __VERIFIER_nondet_int() [L886] COND TRUE \read(tmp___2) [L901] CALL timeShift() [L686] COND FALSE !(\read(pumpRunning)) [L693] COND TRUE \read(systemActive) [L695] CALL processEnvironment() [L715] int tmp ; [L718] COND FALSE !(\read(pumpRunning)) [L733] RET, FCALL processEnvironment__wrappee__base() [L695] processEnvironment() [L701] CALL __utac_acc__Specification1_spec__1() [L44] int tmp ; [L45] int tmp___0 ; [L49] CALL, EXPR isMethaneLevelCritical() [L123] int retValue_acc ; [L126] retValue_acc = methaneLevelCritical [L127] RET return (retValue_acc); [L49] EXPR isMethaneLevelCritical() [L49] tmp = isMethaneLevelCritical() [L51] COND FALSE, RET !(\read(tmp)) [L701] RET __utac_acc__Specification1_spec__1() [L901] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...