./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product14_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_826b38d4-7920-447c-85f0-1348b921f875/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_826b38d4-7920-447c-85f0-1348b921f875/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_826b38d4-7920-447c-85f0-1348b921f875/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_826b38d4-7920-447c-85f0-1348b921f875/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product14_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_826b38d4-7920-447c-85f0-1348b921f875/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_826b38d4-7920-447c-85f0-1348b921f875/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 99eaecf53b705ce7ede6eb19864d6c34a239ca25 ................................................................................................................................................................................................................................................................................................................................................................................................. 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 10:20:49,537 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:20:49,538 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:20:49,544 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:20:49,544 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:20:49,545 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:20:49,546 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:20:49,547 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:20:49,548 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:20:49,549 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:20:49,550 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:20:49,550 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:20:49,550 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:20:49,551 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:20:49,552 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:20:49,552 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:20:49,553 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:20:49,554 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:20:49,556 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:20:49,557 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:20:49,557 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:20:49,559 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:20:49,560 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:20:49,560 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:20:49,561 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:20:49,561 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:20:49,562 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:20:49,563 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:20:49,564 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:20:49,564 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:20:49,564 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:20:49,565 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:20:49,565 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:20:49,565 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:20:49,566 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:20:49,567 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:20:49,567 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_826b38d4-7920-447c-85f0-1348b921f875/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 10:20:49,578 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:20:49,578 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:20:49,579 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:20:49,579 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:20:49,579 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 10:20:49,579 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 10:20:49,579 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 10:20:49,580 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 10:20:49,580 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 10:20:49,580 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 10:20:49,581 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 10:20:49,581 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:20:49,581 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:20:49,581 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 10:20:49,581 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:20:49,581 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:20:49,581 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:20:49,582 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 10:20:49,582 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 10:20:49,582 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 10:20:49,582 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:20:49,582 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:20:49,582 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 10:20:49,583 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:20:49,583 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 10:20:49,583 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:20:49,583 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:20:49,583 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 10:20:49,583 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:20:49,583 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 10:20:49,584 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 10:20:49,584 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 10:20:49,584 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_826b38d4-7920-447c-85f0-1348b921f875/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 -> 99eaecf53b705ce7ede6eb19864d6c34a239ca25 [2018-11-18 10:20:49,609 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:20:49,618 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:20:49,621 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:20:49,622 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:20:49,622 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:20:49,623 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_826b38d4-7920-447c-85f0-1348b921f875/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product14_true-unreach-call_false-termination.cil.c [2018-11-18 10:20:49,664 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_826b38d4-7920-447c-85f0-1348b921f875/bin-2019/uautomizer/data/3405473ee/10a3b506bcb749e0820e02566178d56d/FLAG156f5510d [2018-11-18 10:20:50,092 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:20:50,092 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_826b38d4-7920-447c-85f0-1348b921f875/sv-benchmarks/c/product-lines/minepump_spec4_product14_true-unreach-call_false-termination.cil.c [2018-11-18 10:20:50,098 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_826b38d4-7920-447c-85f0-1348b921f875/bin-2019/uautomizer/data/3405473ee/10a3b506bcb749e0820e02566178d56d/FLAG156f5510d [2018-11-18 10:20:50,106 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_826b38d4-7920-447c-85f0-1348b921f875/bin-2019/uautomizer/data/3405473ee/10a3b506bcb749e0820e02566178d56d [2018-11-18 10:20:50,108 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:20:50,109 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:20:50,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:20:50,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:20:50,113 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:20:50,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:20:50" (1/1) ... [2018-11-18 10:20:50,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:20:50, skipping insertion in model container [2018-11-18 10:20:50,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:20:50" (1/1) ... [2018-11-18 10:20:50,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:20:50,153 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:20:50,334 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:20:50,343 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:20:50,445 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:20:50,463 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:20:50,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:20:50 WrapperNode [2018-11-18 10:20:50,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:20:50,464 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:20:50,464 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:20:50,464 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:20:50,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:20:50" (1/1) ... [2018-11-18 10:20:50,478 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:20:50" (1/1) ... [2018-11-18 10:20:50,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:20:50,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:20:50,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:20:50,497 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:20:50,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:20:50" (1/1) ... [2018-11-18 10:20:50,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:20:50" (1/1) ... [2018-11-18 10:20:50,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:20:50" (1/1) ... [2018-11-18 10:20:50,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:20:50" (1/1) ... [2018-11-18 10:20:50,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:20:50" (1/1) ... [2018-11-18 10:20:50,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:20:50" (1/1) ... [2018-11-18 10:20:50,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:20:50" (1/1) ... [2018-11-18 10:20:50,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:20:50,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:20:50,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:20:50,517 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:20:50,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:20:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_826b38d4-7920-447c-85f0-1348b921f875/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 10:20:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:20:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:20:50,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:20:50,978 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:20:50,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:20:50 BoogieIcfgContainer [2018-11-18 10:20:50,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:20:50,979 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 10:20:50,979 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 10:20:50,981 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 10:20:50,982 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:20:50,982 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 10:20:50" (1/3) ... [2018-11-18 10:20:50,983 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2993e915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:20:50, skipping insertion in model container [2018-11-18 10:20:50,983 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:20:50,983 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:20:50" (2/3) ... [2018-11-18 10:20:50,983 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2993e915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:20:50, skipping insertion in model container [2018-11-18 10:20:50,983 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:20:50,984 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:20:50" (3/3) ... [2018-11-18 10:20:50,985 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product14_true-unreach-call_false-termination.cil.c [2018-11-18 10:20:51,017 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 10:20:51,018 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 10:20:51,018 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 10:20:51,018 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 10:20:51,018 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:20:51,018 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:20:51,018 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 10:20:51,018 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:20:51,018 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 10:20:51,030 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states. [2018-11-18 10:20:51,049 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2018-11-18 10:20:51,049 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:20:51,049 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:20:51,053 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:20:51,053 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 10:20:51,054 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 10:20:51,054 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states. [2018-11-18 10:20:51,057 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2018-11-18 10:20:51,057 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:20:51,057 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:20:51,058 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:20:51,058 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 10:20:51,062 INFO L794 eck$LassoCheckResult]: Stem: 77#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(30);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(9);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(21);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(21);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(30);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(9);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(25);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(25);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(13);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 79];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 110];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,3 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 44];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 80];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 117];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 109];#memory_int := #memory_int[#t~string60.base,4 + #t~string60.offset := 112];#memory_int := #memory_int[#t~string60.base,5 + #t~string60.offset := 58];#memory_int := #memory_int[#t~string60.base,6 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 110];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 41];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 32];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 10];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6;assume { :begin_inline_select_helpers } true; 12#L65true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 48#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; 4#L73true main_#t~ret69 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~6 := main_#t~ret69;havoc main_#t~ret69; 42#L854true assume 0 != main_~tmp~6;assume { :begin_inline_setup } true; 87#L831true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 40#L543-3true [2018-11-18 10:20:51,063 INFO L796 eck$LassoCheckResult]: Loop: 40#L543-3true assume true; 37#L543-1true assume !false; 3#L544true assume test_~splverifierCounter~0 < 4; 69#L545true test_~tmp~3 := test_#t~nondet46;havoc test_#t~nondet46; 75#L553true assume !(0 != test_~tmp~3); 81#L553-2true test_~tmp___0~0 := test_#t~nondet47;havoc test_#t~nondet47; 10#L563true assume !(0 != test_~tmp___0~0); 13#L563-2true test_~tmp___2~0 := test_#t~nondet48;havoc test_#t~nondet48; 47#L573true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 92#L759true assume { :end_inline_startSystem } true; 50#L581-2true assume { :begin_inline_timeShift } true; 30#L612true assume !(0 != ~pumpRunning~0); 31#L612-2true assume !(0 != ~systemActive~0); 86#L619-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret70, __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; 94#L159true __utac_acc__Specification4_spec__1_#t~ret70 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret70;havoc __utac_acc__Specification4_spec__1_#t~ret70; 41#L876true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 44#L876-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 21#L629true assume { :end_inline_timeShift } true; 40#L543-3true [2018-11-18 10:20:51,068 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:20:51,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 10:20:51,069 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:20:51,070 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:20:51,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:20:51,098 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:20:51,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:20:51,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:20:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:20:51,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:20:51,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1861811187, now seen corresponding path program 1 times [2018-11-18 10:20:51,224 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:20:51,224 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:20:51,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:20:51,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:20:51,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:20:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:51,257 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 10:20:51,259 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:20:51,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:20:51,261 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 10:20:51,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:20:51,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:20:51,272 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 3 states. [2018-11-18 10:20:51,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:20:51,307 INFO L93 Difference]: Finished difference Result 96 states and 119 transitions. [2018-11-18 10:20:51,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:20:51,309 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 96 states and 119 transitions. [2018-11-18 10:20:51,311 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 59 [2018-11-18 10:20:51,313 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 96 states to 86 states and 108 transitions. [2018-11-18 10:20:51,314 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 86 [2018-11-18 10:20:51,314 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 86 [2018-11-18 10:20:51,315 INFO L73 IsDeterministic]: Start isDeterministic. Operand 86 states and 108 transitions. [2018-11-18 10:20:51,315 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 10:20:51,316 INFO L705 BuchiCegarLoop]: Abstraction has 86 states and 108 transitions. [2018-11-18 10:20:51,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states and 108 transitions. [2018-11-18 10:20:51,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2018-11-18 10:20:51,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-11-18 10:20:51,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 108 transitions. [2018-11-18 10:20:51,339 INFO L728 BuchiCegarLoop]: Abstraction has 86 states and 108 transitions. [2018-11-18 10:20:51,339 INFO L608 BuchiCegarLoop]: Abstraction has 86 states and 108 transitions. [2018-11-18 10:20:51,339 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 10:20:51,340 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 86 states and 108 transitions. [2018-11-18 10:20:51,341 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 59 [2018-11-18 10:20:51,341 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:20:51,341 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:20:51,342 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:20:51,342 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:20:51,343 INFO L794 eck$LassoCheckResult]: Stem: 265#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(30);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(9);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(21);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(21);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(30);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(9);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(25);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(25);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(13);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 79];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 110];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,3 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 44];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 80];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 117];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 109];#memory_int := #memory_int[#t~string60.base,4 + #t~string60.offset := 112];#memory_int := #memory_int[#t~string60.base,5 + #t~string60.offset := 58];#memory_int := #memory_int[#t~string60.base,6 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 110];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 41];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 32];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 10];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 228#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6;assume { :begin_inline_select_helpers } true; 229#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 206#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; 207#L73 main_#t~ret69 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~6 := main_#t~ret69;havoc main_#t~ret69; 222#L854 assume 0 != main_~tmp~6;assume { :begin_inline_setup } true; 281#L831 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 256#L543-3 [2018-11-18 10:20:51,343 INFO L796 eck$LassoCheckResult]: Loop: 256#L543-3 assume true; 283#L543-1 assume !false; 219#L544 assume test_~splverifierCounter~0 < 4; 220#L545 test_~tmp~3 := test_#t~nondet46;havoc test_#t~nondet46; 251#L553 assume !(0 != test_~tmp~3); 240#L553-2 test_~tmp___0~0 := test_#t~nondet47;havoc test_#t~nondet47; 230#L563 assume !(0 != test_~tmp___0~0); 232#L563-2 test_~tmp___2~0 := test_#t~nondet48;havoc test_#t~nondet48; 236#L573 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 286#L759 assume { :end_inline_startSystem } true; 208#L581-2 assume { :begin_inline_timeShift } true; 209#L612 assume !(0 != ~pumpRunning~0); 270#L612-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 241#L644 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 237#L636-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 235#L644-1 assume { :end_inline_processEnvironment } true; 245#L619-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret70, __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; 278#L159 __utac_acc__Specification4_spec__1_#t~ret70 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret70;havoc __utac_acc__Specification4_spec__1_#t~ret70; 287#L876 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 288#L876-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 255#L629 assume { :end_inline_timeShift } true; 256#L543-3 [2018-11-18 10:20:51,343 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:20:51,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 10:20:51,344 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:20:51,344 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:20:51,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:20:51,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:20:51,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:20:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:20:51,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:20:51,398 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:20:51,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1176259575, now seen corresponding path program 1 times [2018-11-18 10:20:51,399 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:20:51,399 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:20:51,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:20:51,399 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 10:20:51,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:20:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:20:51,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:20:51,411 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:20:51,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1627928755, now seen corresponding path program 1 times [2018-11-18 10:20:51,411 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:20:51,411 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:20:51,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:20:51,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:20:51,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:20:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:20:51,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:21:35,265 WARN L180 SmtUtils]: Spent 43.72 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 10:22:01,361 WARN L180 SmtUtils]: Spent 26.10 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 10:22:01,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 10:22:01 BoogieIcfgContainer [2018-11-18 10:22:01,429 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 10:22:01,429 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:22:01,429 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:22:01,430 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:22:01,430 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:20:50" (3/4) ... [2018-11-18 10:22:01,432 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 10:22:01,468 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_826b38d4-7920-447c-85f0-1348b921f875/bin-2019/uautomizer/witness.graphml [2018-11-18 10:22:01,468 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:22:01,469 INFO L168 Benchmark]: Toolchain (without parser) took 71360.17 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 222.8 MB). Free memory was 956.4 MB in the beginning and 878.6 MB in the end (delta: 77.8 MB). Peak memory consumption was 300.6 MB. Max. memory is 11.5 GB. [2018-11-18 10:22:01,470 INFO L168 Benchmark]: CDTParser took 0.16 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 10:22:01,470 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -198.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:22:01,470 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:22:01,471 INFO L168 Benchmark]: Boogie Preprocessor took 19.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:22:01,471 INFO L168 Benchmark]: RCFGBuilder took 461.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 67.5 MB). Peak memory consumption was 67.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:22:01,471 INFO L168 Benchmark]: BuchiAutomizer took 70449.93 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 56.1 MB). Free memory was 1.1 GB in the beginning and 883.5 MB in the end (delta: 200.4 MB). Peak memory consumption was 256.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:22:01,471 INFO L168 Benchmark]: Witness Printer took 39.04 ms. Allocated memory is still 1.3 GB. Free memory was 883.5 MB in the beginning and 878.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 11.5 GB. [2018-11-18 10:22:01,473 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 353.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -198.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 461.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 67.5 MB). Peak memory consumption was 67.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 70449.93 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 56.1 MB). Free memory was 1.1 GB in the beginning and 883.5 MB in the end (delta: 200.4 MB). Peak memory consumption was 256.5 MB. Max. memory is 11.5 GB. * Witness Printer took 39.04 ms. Allocated memory is still 1.3 GB. Free memory was 883.5 MB in the beginning and 878.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 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 3 locations. The remainder module has 86 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 70.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 70.2s. 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 86 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 116 SDtfs, 114 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 543]: 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@35cd9ba8=0, NULL=0, "Off"=0, "On"=0, ")"=28, "__utac__get_this_argtype"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51392121=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4dd2da3d=40, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51b54e1f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@294b19f9=0, ",Pump:"=0, "i > 0 && i <= this->argsCount"=19, "libacc.c"=0, "__utac__get_this_argtype"=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6483182b=0, "Off"=34, "On"=38, methaneLevelCritical=0, "OK"=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1950ffc8=0, tmp=0, "i > 0 && i <= this->argsCount"=17, "\n"=0, "libacc.c"=22, ") "=0, "\n"=11, "Env(Water:%i"=33, tmp___1=0, "i > 0 && i <= this->argsCount"=27, ",Meth:"=0, "OK"=0, "CRIT"=0, "Env(Water:%i"=0, tmp___0=0, "libacc.c"=18, cleanupTimeShifts=4, "__utac__get_this_arg"=20, "__utac__get_this_arg"=24, "libacc.c"=16, "i > 0 && i <= this->argsCount"=0, NULL=0, systemActive=1, waterLevel=1, \result=1, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "Off"=37, ")"=0, "Pump(System:"=0, tmp___0=0, ",Pump:"=35, "Off"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a28b8b5=0, "On"=0, retValue_acc=1, ",Meth:"=31, \result=1, head=0, pumpRunning=0, \result=0, ") "=39, "libacc.c"=0, "__utac__get_this_arg"=0, tmp=1, retValue_acc=1, tmp=1, tmp___2=40, "libacc.c"=26, splverifierCounter=0, "CRIT"=8, head=0, tmp=0, "i > 0 && i <= this->argsCount"=23, "libacc.c"=0, "__utac__get_this_arg"=0, "__utac__get_this_argtype"=14, "__utac__get_this_argtype"=12, "On"=36, "Pump(System:"=15} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 543]: 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 ")" [L461] FCALL "i > 0 && i <= this->argsCount" [L461] FCALL "libacc.c" [L462] FCALL "__utac__get_this_arg" [L468] FCALL "i > 0 && i <= this->argsCount" [L468] FCALL "libacc.c" [L469] FCALL "__utac__get_this_arg" [L507] FCALL "i > 0 && i <= this->argsCount" [L507] FCALL "libacc.c" [L508] FCALL "__utac__get_this_argtype" [L514] FCALL "i > 0 && i <= this->argsCount" [L514] FCALL "libacc.c" [L515] FCALL "__utac__get_this_argtype" [L723] FCALL "Pump(System:" [L727] FCALL "On" [L731] FCALL "Off" [L735] FCALL ",Pump:" [L739] FCALL "On" [L743] FCALL "Off" [L747] FCALL ") " [L749] FCALL "\n" [L84] int waterLevel = 1; [L85] int methaneLevelCritical = 0; [L604] int pumpRunning = 0; [L605] int systemActive = 1; [L772] int cleanupTimeShifts = 4; [L333] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L845] int retValue_acc ; [L846] int tmp ; [L850] FCALL select_helpers() [L851] FCALL select_features() [L852] CALL, EXPR valid_product() [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] RET return (retValue_acc); [L852] EXPR valid_product() [L852] tmp = valid_product() [L854] COND TRUE \read(tmp) [L856] FCALL setup() [L857] CALL runTest() [L839] CALL test() [L534] int splverifierCounter ; [L535] int tmp ; [L536] int tmp___0 ; [L537] int tmp___1 ; [L538] int tmp___2 ; [L541] splverifierCounter = 0 Loop: [L543] COND TRUE 1 [L545] COND TRUE splverifierCounter < 4 [L551] tmp = __VERIFIER_nondet_int() [L553] COND FALSE !(\read(tmp)) [L561] tmp___0 = __VERIFIER_nondet_int() [L563] COND FALSE !(\read(tmp___0)) [L571] tmp___2 = __VERIFIER_nondet_int() [L573] COND TRUE \read(tmp___2) [L575] CALL startSystem() [L758] RET systemActive = 1 [L575] startSystem() [L588] CALL timeShift() [L612] COND FALSE !(\read(pumpRunning)) [L619] COND TRUE \read(systemActive) [L621] CALL processEnvironment() [L641] int tmp ; [L644] COND FALSE !(\read(pumpRunning)) [L659] RET, FCALL processEnvironment__wrappee__methaneQuery() [L621] processEnvironment() [L627] CALL __utac_acc__Specification4_spec__1() [L869] int tmp ; [L870] int tmp___0 ; [L874] CALL, EXPR getWaterLevel() [L155] int retValue_acc ; [L158] retValue_acc = waterLevel [L159] RET return (retValue_acc); [L874] EXPR getWaterLevel() [L874] tmp = getWaterLevel() [L876] COND FALSE, RET !(tmp == 0) [L627] RET __utac_acc__Specification4_spec__1() [L588] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...