./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product09_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_f490c50a-0012-47e6-81e0-e7554ee335f5/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f490c50a-0012-47e6-81e0-e7554ee335f5/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f490c50a-0012-47e6-81e0-e7554ee335f5/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f490c50a-0012-47e6-81e0-e7554ee335f5/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product09_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f490c50a-0012-47e6-81e0-e7554ee335f5/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f490c50a-0012-47e6-81e0-e7554ee335f5/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 5e00f12062c7c62f6aec19aeda9d058e37c16487 ................................................................................................................................................................................................................................................................................................................................................................................................... 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 14:34:36,398 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:34:36,400 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:34:36,406 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:34:36,406 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:34:36,407 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:34:36,408 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:34:36,409 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:34:36,411 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:34:36,411 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:34:36,412 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:34:36,412 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:34:36,413 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:34:36,414 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:34:36,415 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:34:36,416 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:34:36,416 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:34:36,417 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:34:36,419 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:34:36,420 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:34:36,421 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:34:36,422 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:34:36,423 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:34:36,424 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:34:36,424 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:34:36,425 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:34:36,425 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:34:36,427 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:34:36,427 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:34:36,428 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:34:36,428 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:34:36,429 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:34:36,429 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:34:36,429 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:34:36,429 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:34:36,429 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:34:36,430 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f490c50a-0012-47e6-81e0-e7554ee335f5/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 14:34:36,438 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:34:36,438 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:34:36,439 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:34:36,440 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:34:36,440 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 14:34:36,440 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 14:34:36,440 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 14:34:36,440 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 14:34:36,440 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 14:34:36,440 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 14:34:36,440 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 14:34:36,441 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:34:36,441 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:34:36,441 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 14:34:36,441 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:34:36,441 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:34:36,441 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:34:36,441 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 14:34:36,442 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 14:34:36,442 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 14:34:36,442 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:34:36,442 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:34:36,444 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 14:34:36,444 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:34:36,444 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 14:34:36,444 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:34:36,444 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:34:36,444 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 14:34:36,445 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:34:36,445 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 14:34:36,445 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 14:34:36,446 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 14:34:36,446 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_f490c50a-0012-47e6-81e0-e7554ee335f5/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 -> 5e00f12062c7c62f6aec19aeda9d058e37c16487 [2018-11-18 14:34:36,469 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:34:36,478 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:34:36,480 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:34:36,482 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:34:36,482 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:34:36,482 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f490c50a-0012-47e6-81e0-e7554ee335f5/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product09_true-unreach-call_false-termination.cil.c [2018-11-18 14:34:36,524 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f490c50a-0012-47e6-81e0-e7554ee335f5/bin-2019/uautomizer/data/08983a94c/573aa08af6a6486589292d047a7d328e/FLAGae4711f5d [2018-11-18 14:34:36,902 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:34:36,903 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f490c50a-0012-47e6-81e0-e7554ee335f5/sv-benchmarks/c/product-lines/minepump_spec1_product09_true-unreach-call_false-termination.cil.c [2018-11-18 14:34:36,912 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f490c50a-0012-47e6-81e0-e7554ee335f5/bin-2019/uautomizer/data/08983a94c/573aa08af6a6486589292d047a7d328e/FLAGae4711f5d [2018-11-18 14:34:37,288 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f490c50a-0012-47e6-81e0-e7554ee335f5/bin-2019/uautomizer/data/08983a94c/573aa08af6a6486589292d047a7d328e [2018-11-18 14:34:37,291 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:34:37,293 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:34:37,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:34:37,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:34:37,297 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:34:37,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:34:37" (1/1) ... [2018-11-18 14:34:37,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72de6083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:34:37, skipping insertion in model container [2018-11-18 14:34:37,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:34:37" (1/1) ... [2018-11-18 14:34:37,305 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:34:37,335 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:34:37,515 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:34:37,525 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:34:37,626 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:34:37,647 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:34:37,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:34:37 WrapperNode [2018-11-18 14:34:37,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:34:37,648 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:34:37,648 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:34:37,648 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:34:37,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:34:37" (1/1) ... [2018-11-18 14:34:37,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:34:37" (1/1) ... [2018-11-18 14:34:37,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:34:37,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:34:37,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:34:37,682 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:34:37,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:34:37" (1/1) ... [2018-11-18 14:34:37,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:34:37" (1/1) ... [2018-11-18 14:34:37,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:34:37" (1/1) ... [2018-11-18 14:34:37,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:34:37" (1/1) ... [2018-11-18 14:34:37,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:34:37" (1/1) ... [2018-11-18 14:34:37,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:34:37" (1/1) ... [2018-11-18 14:34:37,698 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:34:37" (1/1) ... [2018-11-18 14:34:37,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:34:37,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:34:37,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:34:37,701 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:34:37,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:34:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f490c50a-0012-47e6-81e0-e7554ee335f5/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 14:34:37,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:34:37,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:34:37,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:34:38,158 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:34:38,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:34:38 BoogieIcfgContainer [2018-11-18 14:34:38,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:34:38,159 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 14:34:38,159 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 14:34:38,162 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 14:34:38,163 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:34:38,163 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 02:34:37" (1/3) ... [2018-11-18 14:34:38,164 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a6b720c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 02:34:38, skipping insertion in model container [2018-11-18 14:34:38,164 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:34:38,164 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:34:37" (2/3) ... [2018-11-18 14:34:38,164 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a6b720c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 02:34:38, skipping insertion in model container [2018-11-18 14:34:38,164 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:34:38,164 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:34:38" (3/3) ... [2018-11-18 14:34:38,166 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product09_true-unreach-call_false-termination.cil.c [2018-11-18 14:34:38,212 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 14:34:38,213 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 14:34:38,213 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 14:34:38,213 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 14:34:38,213 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:34:38,213 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:34:38,213 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 14:34:38,213 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:34:38,214 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 14:34:38,227 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77 states. [2018-11-18 14:34:38,248 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 48 [2018-11-18 14:34:38,248 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:34:38,248 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:34:38,253 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:34:38,253 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 14:34:38,253 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 14:34:38,253 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77 states. [2018-11-18 14:34:38,256 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 48 [2018-11-18 14:34:38,257 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:34:38,257 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:34:38,257 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:34:38,257 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 14:34:38,261 INFO L794 eck$LassoCheckResult]: Stem: 36#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(13);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string39.base,#t~string39.offset := 44];#memory_int := #memory_int[#t~string39.base,1 + #t~string39.offset := 77];#memory_int := #memory_int[#t~string39.base,2 + #t~string39.offset := 101];#memory_int := #memory_int[#t~string39.base,3 + #t~string39.offset := 116];#memory_int := #memory_int[#t~string39.base,4 + #t~string39.offset := 104];#memory_int := #memory_int[#t~string39.base,5 + #t~string39.offset := 58];#memory_int := #memory_int[#t~string39.base,6 + #t~string39.offset := 0];call #t~string41.base, #t~string41.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string41.base,#t~string41.offset := 67];#memory_int := #memory_int[#t~string41.base,1 + #t~string41.offset := 82];#memory_int := #memory_int[#t~string41.base,2 + #t~string41.offset := 73];#memory_int := #memory_int[#t~string41.base,3 + #t~string41.offset := 84];#memory_int := #memory_int[#t~string41.base,4 + #t~string41.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 79];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 75];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 41];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(13);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 79];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 110];#memory_int := #memory_int[#t~string52.base,2 + #t~string52.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 79];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,2 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,3 + #t~string54.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 44];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 80];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 117];#memory_int := #memory_int[#t~string56.base,3 + #t~string56.offset := 109];#memory_int := #memory_int[#t~string56.base,4 + #t~string56.offset := 112];#memory_int := #memory_int[#t~string56.base,5 + #t~string56.offset := 58];#memory_int := #memory_int[#t~string56.base,6 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 110];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 41];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 32];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 10];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.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~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 18#L65true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 3#L58true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 10#L73true main_#t~ret46 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 77#L624true assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 26#L600true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 56#L777-3true [2018-11-18 14:34:38,261 INFO L796 eck$LassoCheckResult]: Loop: 56#L777-3true assume true; 53#L777-1true assume !false; 11#L778true assume test_~splverifierCounter~0 < 4; 31#L779true test_~tmp~5 := test_#t~nondet65;havoc test_#t~nondet65; 37#L787true assume !(0 != test_~tmp~5); 38#L787-2true test_~tmp___0~0 := test_#t~nondet66;havoc test_#t~nondet66; 17#L797true assume !(0 != test_~tmp___0~0); 21#L797-2true test_~tmp___2~0 := test_#t~nondet67;havoc test_#t~nondet67; 71#L807true assume 0 != test_~tmp___2~0; 47#L813-2true assume { :begin_inline_timeShift } true; 52#L649true assume !(0 != ~pumpRunning~0); 54#L649-2true assume !(0 != ~systemActive~0); 58#L656-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret69, __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 4#L493true __utac_acc__Specification1_spec__1_#t~ret69 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret69;havoc __utac_acc__Specification1_spec__1_#t~ret69; 70#L840true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); 72#L840-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 39#L666true assume { :end_inline_timeShift } true; 56#L777-3true [2018-11-18 14:34:38,266 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:34:38,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 14:34:38,268 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:34:38,269 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:34:38,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:34:38,299 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:34:38,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:34:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:34:38,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:34:38,425 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:34:38,425 INFO L82 PathProgramCache]: Analyzing trace with hash 975324083, now seen corresponding path program 1 times [2018-11-18 14:34:38,425 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:34:38,426 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:34:38,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:34:38,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:34:38,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:34:38,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:34:38,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:34:38,439 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:34:38,439 INFO L82 PathProgramCache]: Analyzing trace with hash 43642479, now seen corresponding path program 1 times [2018-11-18 14:34:38,439 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:34:38,439 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:34:38,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:34:38,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:34:38,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:34:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:34:38,570 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 14:34:38,572 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:34:38,572 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 14:34:38,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:34:38,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:34:38,643 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 6 states. [2018-11-18 14:34:38,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:34:38,760 INFO L93 Difference]: Finished difference Result 74 states and 90 transitions. [2018-11-18 14:34:38,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 14:34:38,762 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 74 states and 90 transitions. [2018-11-18 14:34:38,764 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 44 [2018-11-18 14:34:38,768 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 74 states to 64 states and 80 transitions. [2018-11-18 14:34:38,769 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 64 [2018-11-18 14:34:38,769 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 64 [2018-11-18 14:34:38,770 INFO L73 IsDeterministic]: Start isDeterministic. Operand 64 states and 80 transitions. [2018-11-18 14:34:38,771 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 14:34:38,771 INFO L705 BuchiCegarLoop]: Abstraction has 64 states and 80 transitions. [2018-11-18 14:34:38,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states and 80 transitions. [2018-11-18 14:34:38,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2018-11-18 14:34:38,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-11-18 14:34:38,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 80 transitions. [2018-11-18 14:34:38,792 INFO L728 BuchiCegarLoop]: Abstraction has 64 states and 80 transitions. [2018-11-18 14:34:38,792 INFO L608 BuchiCegarLoop]: Abstraction has 64 states and 80 transitions. [2018-11-18 14:34:38,792 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 14:34:38,792 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 64 states and 80 transitions. [2018-11-18 14:34:38,793 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 44 [2018-11-18 14:34:38,793 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:34:38,794 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:34:38,794 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:34:38,794 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:34:38,794 INFO L794 eck$LassoCheckResult]: Stem: 210#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(13);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string39.base,#t~string39.offset := 44];#memory_int := #memory_int[#t~string39.base,1 + #t~string39.offset := 77];#memory_int := #memory_int[#t~string39.base,2 + #t~string39.offset := 101];#memory_int := #memory_int[#t~string39.base,3 + #t~string39.offset := 116];#memory_int := #memory_int[#t~string39.base,4 + #t~string39.offset := 104];#memory_int := #memory_int[#t~string39.base,5 + #t~string39.offset := 58];#memory_int := #memory_int[#t~string39.base,6 + #t~string39.offset := 0];call #t~string41.base, #t~string41.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string41.base,#t~string41.offset := 67];#memory_int := #memory_int[#t~string41.base,1 + #t~string41.offset := 82];#memory_int := #memory_int[#t~string41.base,2 + #t~string41.offset := 73];#memory_int := #memory_int[#t~string41.base,3 + #t~string41.offset := 84];#memory_int := #memory_int[#t~string41.base,4 + #t~string41.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 79];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 75];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 41];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(13);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 79];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 110];#memory_int := #memory_int[#t~string52.base,2 + #t~string52.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 79];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,2 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,3 + #t~string54.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 44];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 80];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 117];#memory_int := #memory_int[#t~string56.base,3 + #t~string56.offset := 109];#memory_int := #memory_int[#t~string56.base,4 + #t~string56.offset := 112];#memory_int := #memory_int[#t~string56.base,5 + #t~string56.offset := 58];#memory_int := #memory_int[#t~string56.base,6 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 110];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 41];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 32];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 10];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.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; 186#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 187#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 169#L58 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 170#L73 main_#t~ret46 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 182#L624 assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 199#L600 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 200#L777-3 [2018-11-18 14:34:38,794 INFO L796 eck$LassoCheckResult]: Loop: 200#L777-3 assume true; 222#L777-1 assume !false; 183#L778 assume test_~splverifierCounter~0 < 4; 184#L779 test_~tmp~5 := test_#t~nondet65;havoc test_#t~nondet65; 204#L787 assume !(0 != test_~tmp~5); 194#L787-2 test_~tmp___0~0 := test_#t~nondet66;havoc test_#t~nondet66; 191#L797 assume !(0 != test_~tmp___0~0); 193#L797-2 test_~tmp___2~0 := test_#t~nondet67;havoc test_#t~nondet67; 195#L807 assume 0 != test_~tmp___2~0; 216#L813-2 assume { :begin_inline_timeShift } true; 217#L649 assume !(0 != ~pumpRunning~0); 220#L649-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 202#L673 assume { :end_inline_processEnvironment } true; 203#L656-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret69, __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 171#L493 __utac_acc__Specification1_spec__1_#t~ret69 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret69;havoc __utac_acc__Specification1_spec__1_#t~ret69; 172#L840 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); 174#L840-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 211#L666 assume { :end_inline_timeShift } true; 200#L777-3 [2018-11-18 14:34:38,795 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:34:38,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 14:34:38,795 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:34:38,795 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:34:38,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:34:38,796 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:34:38,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:34:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:34:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:34:38,836 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:34:38,836 INFO L82 PathProgramCache]: Analyzing trace with hash 798355155, now seen corresponding path program 1 times [2018-11-18 14:34:38,836 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:34:38,836 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:34:38,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:34:38,837 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:34:38,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:34:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:34:38,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:34:38,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:34:38,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1980996503, now seen corresponding path program 1 times [2018-11-18 14:34:38,846 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:34:38,846 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:34:38,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:34:38,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:34:38,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:34:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:34:38,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:35:21,824 WARN L180 SmtUtils]: Spent 42.87 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 14:35:33,627 WARN L180 SmtUtils]: Spent 11.80 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 14:35:33,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 02:35:33 BoogieIcfgContainer [2018-11-18 14:35:33,685 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 14:35:33,685 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:35:33,686 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:35:33,686 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:35:33,686 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:34:38" (3/4) ... [2018-11-18 14:35:33,688 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 14:35:33,726 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f490c50a-0012-47e6-81e0-e7554ee335f5/bin-2019/uautomizer/witness.graphml [2018-11-18 14:35:33,726 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:35:33,726 INFO L168 Benchmark]: Toolchain (without parser) took 56434.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 956.6 MB in the beginning and 986.4 MB in the end (delta: -29.9 MB). Peak memory consumption was 129.5 MB. Max. memory is 11.5 GB. [2018-11-18 14:35:33,727 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:35:33,727 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -168.9 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:35:33,727 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.22 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:35:33,728 INFO L168 Benchmark]: Boogie Preprocessor took 19.23 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:35:33,728 INFO L168 Benchmark]: RCFGBuilder took 457.90 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: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. [2018-11-18 14:35:33,728 INFO L168 Benchmark]: BuchiAutomizer took 55526.09 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 27.8 MB). Free memory was 1.1 GB in the beginning and 992.4 MB in the end (delta: 75.6 MB). Peak memory consumption was 210.2 MB. Max. memory is 11.5 GB. [2018-11-18 14:35:33,728 INFO L168 Benchmark]: Witness Printer took 40.32 ms. Allocated memory is still 1.2 GB. Free memory was 992.4 MB in the beginning and 986.4 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:35:33,730 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 354.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -168.9 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.22 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.23 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 457.90 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: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 55526.09 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 27.8 MB). Free memory was 1.1 GB in the beginning and 992.4 MB in the end (delta: 75.6 MB). Peak memory consumption was 210.2 MB. Max. memory is 11.5 GB. * Witness Printer took 40.32 ms. Allocated memory is still 1.2 GB. Free memory was 992.4 MB in the beginning and 986.4 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 64 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 55.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 55.2s. 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 64 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 85 SDtfs, 260 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: 777]: 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 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c1b9be2=0, NULL=0, "\n"=0, ") "=0, "CRIT"=0, ")"=0, "Off"=0, retValue_acc=0, "OK"=0, "\n"=34, ",Pump:"=37, methaneLevelCritical=0, "Env(Water:%i"=14, tmp=0, "CRIT"=12, "__utac__get_this_argtype"=15, tmp___1=0, "libacc.c"=19, "libacc.c"=23, tmp___0=0, "libacc.c"=27, "i > 0 && i <= this->argsCount"=20, ",Meth:"=11, cleanupTimeShifts=4, "i > 0 && i <= this->argsCount"=17, "Pump(System:"=29, ")"=8, "libacc.c"=0, "__utac__get_this_arg"=0, "libacc.c"=0, NULL=0, systemActive=1, waterLevel=1, "libacc.c"=0, "__utac__get_this_argtype"=0, "On"=39, retValue_acc=0, "Off"=0, tmp___0=0, "On"=0, "Pump(System:"=0, "Off"=38, "On"=0, ",Pump:"=0, \result=1, head=0, pumpRunning=0, \result=0, "On"=31, "__utac__get_this_arg"=26, tmp=1, tmp=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@764a3202=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62dfd29e=171, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5a26f893=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4dac7a22=0, "i > 0 && i <= this->argsCount"=24, retValue_acc=1, tmp___2=171, "__utac__get_this_argtype"=18, splverifierCounter=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1bc57dc1=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6db7f71c=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=22, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=28, "libacc.c"=0, "libacc.c"=16, "Env(Water:%i"=0, ",Meth:"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "OK"=33, ") "=35, "Off"=36} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 777]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L375] FCALL "i > 0 && i <= this->argsCount" [L375] FCALL "libacc.c" [L376] FCALL "__utac__get_this_arg" [L382] FCALL "i > 0 && i <= this->argsCount" [L382] FCALL "libacc.c" [L383] FCALL "__utac__get_this_arg" [L421] FCALL "i > 0 && i <= this->argsCount" [L421] FCALL "libacc.c" [L422] FCALL "__utac__get_this_argtype" [L428] FCALL "i > 0 && i <= this->argsCount" [L428] FCALL "libacc.c" [L429] FCALL "__utac__get_this_argtype" [L502] FCALL "Env(Water:%i" [L503] FCALL ",Meth:" [L507] FCALL "CRIT" [L511] FCALL "OK" [L515] FCALL ")" [L735] FCALL "Pump(System:" [L739] FCALL "On" [L743] FCALL "Off" [L747] FCALL ",Pump:" [L751] FCALL "On" [L755] FCALL "Off" [L759] FCALL ") " [L761] FCALL "\n" [L450] int waterLevel = 1; [L451] int methaneLevelCritical = 0; [L539] int cleanupTimeShifts = 4; [L641] int pumpRunning = 0; [L642] int systemActive = 1; [L247] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L615] int retValue_acc ; [L616] int tmp ; [L620] FCALL select_helpers() [L621] FCALL select_features() [L622] CALL, EXPR valid_product() [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] RET return (retValue_acc); [L622] EXPR valid_product() [L622] tmp = valid_product() [L624] COND TRUE \read(tmp) [L626] FCALL setup() [L627] CALL runTest() [L609] CALL test() [L768] int splverifierCounter ; [L769] int tmp ; [L770] int tmp___0 ; [L771] int tmp___1 ; [L772] int tmp___2 ; [L775] splverifierCounter = 0 Loop: [L777] COND TRUE 1 [L779] COND TRUE splverifierCounter < 4 [L785] tmp = __VERIFIER_nondet_int() [L787] COND FALSE !(\read(tmp)) [L795] tmp___0 = __VERIFIER_nondet_int() [L797] COND FALSE !(\read(tmp___0)) [L805] tmp___2 = __VERIFIER_nondet_int() [L807] COND TRUE \read(tmp___2) [L820] CALL timeShift() [L649] COND FALSE !(\read(pumpRunning)) [L656] COND TRUE \read(systemActive) [L658] FCALL processEnvironment() [L664] CALL __utac_acc__Specification1_spec__1() [L833] int tmp ; [L834] int tmp___0 ; [L838] CALL, EXPR isMethaneLevelCritical() [L489] int retValue_acc ; [L492] retValue_acc = methaneLevelCritical [L493] RET return (retValue_acc); [L838] EXPR isMethaneLevelCritical() [L838] tmp = isMethaneLevelCritical() [L840] COND FALSE, RET !(\read(tmp)) [L664] RET __utac_acc__Specification1_spec__1() [L820] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...