./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product27_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_5c1352a2-0537-4eab-8122-50c666f9ec65/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5c1352a2-0537-4eab-8122-50c666f9ec65/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5c1352a2-0537-4eab-8122-50c666f9ec65/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5c1352a2-0537-4eab-8122-50c666f9ec65/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product27_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5c1352a2-0537-4eab-8122-50c666f9ec65/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5c1352a2-0537-4eab-8122-50c666f9ec65/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 84bee68029cd4e9781f81f2ec079192bad30236f ...................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:28:48,942 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:28:48,944 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:28:48,952 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:28:48,952 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:28:48,952 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:28:48,953 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:28:48,954 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:28:48,955 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:28:48,956 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:28:48,957 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:28:48,957 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:28:48,957 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:28:48,958 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:28:48,959 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:28:48,959 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:28:48,960 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:28:48,962 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:28:48,963 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:28:48,964 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:28:48,965 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:28:48,965 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:28:48,967 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:28:48,967 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:28:48,967 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:28:48,968 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:28:48,969 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:28:48,969 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:28:48,970 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:28:48,970 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:28:48,971 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:28:48,971 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:28:48,971 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:28:48,971 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:28:48,973 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:28:48,973 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:28:48,973 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5c1352a2-0537-4eab-8122-50c666f9ec65/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 12:28:48,984 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:28:48,984 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:28:48,985 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:28:48,985 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:28:48,985 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 12:28:48,985 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 12:28:48,985 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 12:28:48,985 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 12:28:48,986 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 12:28:48,986 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 12:28:48,986 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 12:28:48,986 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:28:48,986 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:28:48,986 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 12:28:48,986 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:28:48,986 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:28:48,986 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:28:48,986 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 12:28:48,987 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 12:28:48,987 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 12:28:48,987 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:28:48,987 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:28:48,987 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 12:28:48,987 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:28:48,987 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 12:28:48,987 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:28:48,988 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:28:48,988 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 12:28:48,988 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:28:48,988 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 12:28:48,988 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 12:28:48,989 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 12:28:48,989 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_5c1352a2-0537-4eab-8122-50c666f9ec65/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 -> 84bee68029cd4e9781f81f2ec079192bad30236f [2018-11-18 12:28:49,010 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:28:49,018 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:28:49,020 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:28:49,021 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:28:49,021 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:28:49,022 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5c1352a2-0537-4eab-8122-50c666f9ec65/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product27_true-unreach-call_false-termination.cil.c [2018-11-18 12:28:49,057 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c1352a2-0537-4eab-8122-50c666f9ec65/bin-2019/uautomizer/data/1e0b04baa/786bb566e4a44af4aacd3ff1e95c00a6/FLAGcf1d4f37d [2018-11-18 12:28:49,379 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:28:49,380 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5c1352a2-0537-4eab-8122-50c666f9ec65/sv-benchmarks/c/product-lines/minepump_spec4_product27_true-unreach-call_false-termination.cil.c [2018-11-18 12:28:49,386 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c1352a2-0537-4eab-8122-50c666f9ec65/bin-2019/uautomizer/data/1e0b04baa/786bb566e4a44af4aacd3ff1e95c00a6/FLAGcf1d4f37d [2018-11-18 12:28:49,394 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5c1352a2-0537-4eab-8122-50c666f9ec65/bin-2019/uautomizer/data/1e0b04baa/786bb566e4a44af4aacd3ff1e95c00a6 [2018-11-18 12:28:49,396 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:28:49,397 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:28:49,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:28:49,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:28:49,401 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:28:49,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:28:49" (1/1) ... [2018-11-18 12:28:49,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345e74ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:28:49, skipping insertion in model container [2018-11-18 12:28:49,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:28:49" (1/1) ... [2018-11-18 12:28:49,409 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:28:49,438 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:28:49,617 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:28:49,626 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:28:49,730 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:28:49,751 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:28:49,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:28:49 WrapperNode [2018-11-18 12:28:49,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:28:49,752 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:28:49,752 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:28:49,753 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:28:49,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:28:49" (1/1) ... [2018-11-18 12:28:49,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:28:49" (1/1) ... [2018-11-18 12:28:49,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:28:49,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:28:49,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:28:49,795 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:28:49,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:28:49" (1/1) ... [2018-11-18 12:28:49,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:28:49" (1/1) ... [2018-11-18 12:28:49,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:28:49" (1/1) ... [2018-11-18 12:28:49,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:28:49" (1/1) ... [2018-11-18 12:28:49,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:28:49" (1/1) ... [2018-11-18 12:28:49,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:28:49" (1/1) ... [2018-11-18 12:28:49,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:28:49" (1/1) ... [2018-11-18 12:28:49,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:28:49,824 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:28:49,824 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:28:49,824 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:28:49,825 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:28:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5c1352a2-0537-4eab-8122-50c666f9ec65/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 12:28:49,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:28:49,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:28:49,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:28:50,331 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:28:50,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:28:50 BoogieIcfgContainer [2018-11-18 12:28:50,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:28:50,332 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 12:28:50,332 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 12:28:50,335 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 12:28:50,335 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:28:50,335 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 12:28:49" (1/3) ... [2018-11-18 12:28:50,336 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@407ae51c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 12:28:50, skipping insertion in model container [2018-11-18 12:28:50,336 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:28:50,336 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:28:49" (2/3) ... [2018-11-18 12:28:50,337 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@407ae51c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 12:28:50, skipping insertion in model container [2018-11-18 12:28:50,340 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:28:50,340 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:28:50" (3/3) ... [2018-11-18 12:28:50,341 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product27_true-unreach-call_false-termination.cil.c [2018-11-18 12:28:50,373 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:28:50,373 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 12:28:50,374 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 12:28:50,374 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 12:28:50,374 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:28:50,374 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:28:50,374 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 12:28:50,374 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:28:50,374 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 12:28:50,386 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2018-11-18 12:28:50,404 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2018-11-18 12:28:50,404 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:28:50,405 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:28:50,409 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:28:50,409 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 12:28:50,409 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 12:28:50,410 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2018-11-18 12:28:50,414 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2018-11-18 12:28:50,414 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:28:50,414 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:28:50,414 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:28:50,415 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 12:28:50,418 INFO L794 eck$LassoCheckResult]: Stem: 78#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 44];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 77];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 101];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 116];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 104];#memory_int := #memory_int[#t~string6.base,5 + #t~string6.offset := 58];#memory_int := #memory_int[#t~string6.base,6 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 67];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 82];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 73];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 84];#memory_int := #memory_int[#t~string8.base,4 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 75];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 41];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(13);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 44];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 80];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 117];#memory_int := #memory_int[#t~string27.base,3 + #t~string27.offset := 109];#memory_int := #memory_int[#t~string27.base,4 + #t~string27.offset := 112];#memory_int := #memory_int[#t~string27.base,5 + #t~string27.offset := 58];#memory_int := #memory_int[#t~string27.base,6 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 79];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 110];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 79];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 102];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 102];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 41];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 32];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 10];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 12#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 52#L551true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 9#L544true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 72#L559true main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 54#L130true assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 18#L103true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 3#L285-3true [2018-11-18 12:28:50,419 INFO L796 eck$LassoCheckResult]: Loop: 3#L285-3true assume true; 6#L285-1true assume !false; 77#L286true assume test_~splverifierCounter~0 < 4; 44#L287true test_~tmp~2 := test_#t~nondet13;havoc test_#t~nondet13; 39#L295true assume !(0 != test_~tmp~2); 37#L295-2true test_~tmp___0~1 := test_#t~nondet14;havoc test_#t~nondet14; 92#L305true assume !(0 != test_~tmp___0~1); 95#L305-2true test_~tmp___2~0 := test_#t~nondet15;havoc test_#t~nondet15; 25#L315true assume 0 != test_~tmp___2~0; 11#L321-2true assume { :begin_inline_timeShift } true; 21#L351true assume !(0 != ~pumpRunning~0); 13#L351-2true assume !(0 != ~systemActive~0); 71#L358-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; 28#L260true __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; 57#L163true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 55#L163-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 108#L368true assume { :end_inline_timeShift } true; 3#L285-3true [2018-11-18 12:28:50,423 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:28:50,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 12:28:50,426 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:28:50,427 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:28:50,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:28:50,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:28:50,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:28:50,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:28:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:28:50,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:28:50,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1027345427, now seen corresponding path program 1 times [2018-11-18 12:28:50,610 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:28:50,611 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:28:50,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:28:50,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:28:50,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:28:50,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:28:50,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:28:50,623 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:28:50,623 INFO L82 PathProgramCache]: Analyzing trace with hash 95663823, now seen corresponding path program 1 times [2018-11-18 12:28:50,623 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:28:50,623 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:28:50,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:28:50,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:28:50,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:28:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:28:50,744 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 12:28:50,745 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:28:50,746 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 12:28:50,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:28:50,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:28:50,808 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 6 states. [2018-11-18 12:28:50,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:28:50,969 INFO L93 Difference]: Finished difference Result 269 states and 341 transitions. [2018-11-18 12:28:50,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:28:50,971 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 269 states and 341 transitions. [2018-11-18 12:28:50,977 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 173 [2018-11-18 12:28:50,982 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 269 states to 239 states and 311 transitions. [2018-11-18 12:28:50,982 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 239 [2018-11-18 12:28:50,983 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 239 [2018-11-18 12:28:50,984 INFO L73 IsDeterministic]: Start isDeterministic. Operand 239 states and 311 transitions. [2018-11-18 12:28:50,985 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 12:28:50,985 INFO L705 BuchiCegarLoop]: Abstraction has 239 states and 311 transitions. [2018-11-18 12:28:50,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states and 311 transitions. [2018-11-18 12:28:51,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 149. [2018-11-18 12:28:51,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-11-18 12:28:51,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 194 transitions. [2018-11-18 12:28:51,012 INFO L728 BuchiCegarLoop]: Abstraction has 149 states and 194 transitions. [2018-11-18 12:28:51,012 INFO L608 BuchiCegarLoop]: Abstraction has 149 states and 194 transitions. [2018-11-18 12:28:51,012 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 12:28:51,012 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 149 states and 194 transitions. [2018-11-18 12:28:51,014 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 108 [2018-11-18 12:28:51,014 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:28:51,014 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:28:51,015 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:28:51,015 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:28:51,015 INFO L794 eck$LassoCheckResult]: Stem: 451#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 44];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 77];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 101];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 116];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 104];#memory_int := #memory_int[#t~string6.base,5 + #t~string6.offset := 58];#memory_int := #memory_int[#t~string6.base,6 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 67];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 82];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 73];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 84];#memory_int := #memory_int[#t~string8.base,4 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 75];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 41];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(13);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 44];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 80];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 117];#memory_int := #memory_int[#t~string27.base,3 + #t~string27.offset := 109];#memory_int := #memory_int[#t~string27.base,4 + #t~string27.offset := 112];#memory_int := #memory_int[#t~string27.base,5 + #t~string27.offset := 58];#memory_int := #memory_int[#t~string27.base,6 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 79];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 110];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 79];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 102];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 102];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 41];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 32];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 10];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 421#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 422#L551 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 412#L544 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 413#L559 main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 439#L130 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 446#L103 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 395#L285-3 [2018-11-18 12:28:51,015 INFO L796 eck$LassoCheckResult]: Loop: 395#L285-3 assume true; 396#L285-1 assume !false; 405#L286 assume test_~splverifierCounter~0 < 4; 449#L287 test_~tmp~2 := test_#t~nondet13;havoc test_#t~nondet13; 483#L295 assume !(0 != test_~tmp~2); 469#L295-2 test_~tmp___0~1 := test_#t~nondet14;havoc test_#t~nondet14; 476#L305 assume !(0 != test_~tmp___0~1); 424#L305-2 test_~tmp___2~0 := test_#t~nondet15;havoc test_#t~nondet15; 458#L315 assume 0 != test_~tmp___2~0; 408#L321-2 assume { :begin_inline_timeShift } true; 417#L351 assume !(0 != ~pumpRunning~0); 427#L351-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret17, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 418#L383 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 420#L375-1 assume { :end_inline_processEnvironment__wrappee__base } true; 428#L383-1 assume { :end_inline_processEnvironment } true; 436#L358-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; 437#L260 __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; 464#L163 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 485#L163-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 490#L368 assume { :end_inline_timeShift } true; 395#L285-3 [2018-11-18 12:28:51,015 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:28:51,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 12:28:51,016 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:28:51,016 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:28:51,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:28:51,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:28:51,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:28:51,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:28:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:28:51,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:28:51,070 INFO L82 PathProgramCache]: Analyzing trace with hash 644807904, now seen corresponding path program 1 times [2018-11-18 12:28:51,070 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:28:51,070 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:28:51,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:28:51,071 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:28:51,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:28:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:28:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:28:51,078 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:28:51,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1003190108, now seen corresponding path program 1 times [2018-11-18 12:28:51,079 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:28:51,079 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:28:51,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:28:51,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:28:51,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:28:51,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:28:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:29:13,671 WARN L180 SmtUtils]: Spent 22.47 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 12:29:24,753 WARN L180 SmtUtils]: Spent 11.08 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 12:29:24,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 12:29:24 BoogieIcfgContainer [2018-11-18 12:29:24,804 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 12:29:24,805 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:29:24,805 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:29:24,805 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:29:24,805 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:28:50" (3/4) ... [2018-11-18 12:29:24,808 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 12:29:24,846 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5c1352a2-0537-4eab-8122-50c666f9ec65/bin-2019/uautomizer/witness.graphml [2018-11-18 12:29:24,846 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:29:24,846 INFO L168 Benchmark]: Toolchain (without parser) took 35449.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 956.6 MB in the beginning and 1.0 GB in the end (delta: -58.3 MB). Peak memory consumption was 122.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:29:24,847 INFO L168 Benchmark]: CDTParser took 0.12 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 12:29:24,847 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -186.5 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:29:24,848 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:29:24,849 INFO L168 Benchmark]: Boogie Preprocessor took 28.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:29:24,849 INFO L168 Benchmark]: RCFGBuilder took 507.04 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: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:29:24,849 INFO L168 Benchmark]: BuchiAutomizer took 34472.86 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 28.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.7 MB). Peak memory consumption was 192.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:29:24,850 INFO L168 Benchmark]: Witness Printer took 41.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:29:24,852 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 353.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -186.5 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 507.04 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: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 34472.86 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 28.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.7 MB). Peak memory consumption was 192.7 MB. Max. memory is 11.5 GB. * Witness Printer took 41.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 149 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 34.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 34.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 90 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 149 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 129 SDtfs, 485 SDslu, 685 SDs, 0 SdLazy, 42 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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: 285]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, "OK"=34, retValue_acc=0, "__utac__get_this_arg"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=29, methaneLevelCritical=0, "CRIT"=35, tmp=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, ") "=40, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d3263a1=0, "i > 0 && i <= this->argsCount"=11, "__utac__get_this_argtype"=0, tmp___1=0, "On"=37, "On"=18, "Env(Water:%i"=0, "CRIT"=0, ",Meth:"=0, tmp___0=0, cleanupTimeShifts=4, "Off"=31, "Off"=39, "Off"=0, "On"=0, "Pump(System:"=0, ",Pump:"=0, "On"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@20fb70fe=0, NULL=0, systemActive=1, waterLevel=1, "libacc.c"=20, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29d30756=0, "__utac__get_this_arg"=24, ")"=0, ")"=22, "OK"=0, retValue_acc=1, "libacc.c"=23, "__utac__get_this_arg"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "Env(Water:%i"=15, \result=1, head=0, pumpRunning=0, tmp=1, "libacc.c"=12, \result=0, "Pump(System:"=36, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@64a24741=0, "libacc.c"=28, "__utac__get_this_argtype"=0, "\n"=0, ") "=0, "\n"=16, "__utac__get_this_argtype"=38, "__utac__get_this_arg"=33, tmp=1, retValue_acc=1, tmp___2=150, tmp___0=0, splverifierCounter=0, "i > 0 && i <= this->argsCount"=0, ",Meth:"=8, "__utac__get_this_argtype"=19, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36e26f0e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e764be0=150, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1248d2d6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76ef593f=0, "i > 0 && i <= this->argsCount"=26, tmp=0, head=0, ",Pump:"=27, "Off"=0, "i > 0 && i <= this->argsCount"=17} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 285]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L237] FCALL "Env(Water:%i" [L238] FCALL ",Meth:" [L242] FCALL "CRIT" [L246] FCALL "OK" [L250] FCALL ")" [L463] FCALL "Pump(System:" [L467] FCALL "On" [L471] FCALL "Off" [L475] FCALL ",Pump:" [L479] FCALL "On" [L483] FCALL "Off" [L487] FCALL ") " [L489] FCALL "\n" [L861] FCALL "i > 0 && i <= this->argsCount" [L861] FCALL "libacc.c" [L862] FCALL "__utac__get_this_arg" [L868] FCALL "i > 0 && i <= this->argsCount" [L868] FCALL "libacc.c" [L869] FCALL "__utac__get_this_arg" [L907] FCALL "i > 0 && i <= this->argsCount" [L907] FCALL "libacc.c" [L908] FCALL "__utac__get_this_argtype" [L914] FCALL "i > 0 && i <= this->argsCount" [L914] FCALL "libacc.c" [L915] FCALL "__utac__get_this_argtype" [L40] int cleanupTimeShifts = 4; [L185] int waterLevel = 1; [L186] int methaneLevelCritical = 0; [L344] int pumpRunning = 0; [L345] int systemActive = 1; [L733] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L121] int retValue_acc ; [L122] int tmp ; [L126] FCALL select_helpers() [L127] FCALL select_features() [L128] CALL, EXPR valid_product() [L555] int retValue_acc ; [L558] retValue_acc = 1 [L559] RET return (retValue_acc); [L128] EXPR valid_product() [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L132] FCALL setup() [L133] CALL runTest() [L112] CALL test() [L276] int splverifierCounter ; [L277] int tmp ; [L278] int tmp___0 ; [L279] int tmp___1 ; [L280] int tmp___2 ; [L283] splverifierCounter = 0 Loop: [L285] COND TRUE 1 [L287] COND TRUE splverifierCounter < 4 [L293] tmp = __VERIFIER_nondet_int() [L295] COND FALSE !(\read(tmp)) [L303] tmp___0 = __VERIFIER_nondet_int() [L305] COND FALSE !(\read(tmp___0)) [L313] tmp___2 = __VERIFIER_nondet_int() [L315] COND TRUE \read(tmp___2) [L330] CALL timeShift() [L351] COND FALSE !(\read(pumpRunning)) [L358] COND TRUE \read(systemActive) [L360] CALL processEnvironment() [L380] int tmp ; [L383] COND FALSE !(\read(pumpRunning)) [L398] RET, FCALL processEnvironment__wrappee__base() [L360] processEnvironment() [L366] CALL __utac_acc__Specification4_spec__1() [L156] int tmp ; [L157] int tmp___0 ; [L161] CALL, EXPR getWaterLevel() [L256] int retValue_acc ; [L259] retValue_acc = waterLevel [L260] RET return (retValue_acc); [L161] EXPR getWaterLevel() [L161] tmp = getWaterLevel() [L163] COND FALSE, RET !(tmp == 0) [L366] RET __utac_acc__Specification4_spec__1() [L330] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...