./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product07_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8eeefd78-5c20-4711-8714-5fa94c309935/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8eeefd78-5c20-4711-8714-5fa94c309935/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8eeefd78-5c20-4711-8714-5fa94c309935/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8eeefd78-5c20-4711-8714-5fa94c309935/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product07_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8eeefd78-5c20-4711-8714-5fa94c309935/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8eeefd78-5c20-4711-8714-5fa94c309935/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 ed47af17a01225db794df6404fe947f085302314 .............................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.23-0cd3be1 [2018-11-28 12:30:38,573 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:30:38,574 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:30:38,582 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:30:38,582 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:30:38,583 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:30:38,583 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:30:38,584 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:30:38,585 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:30:38,586 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:30:38,587 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:30:38,587 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:30:38,588 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:30:38,588 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:30:38,589 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:30:38,590 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:30:38,590 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:30:38,592 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:30:38,593 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:30:38,594 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:30:38,595 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:30:38,596 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:30:38,597 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:30:38,598 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:30:38,598 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:30:38,598 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:30:38,599 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:30:38,599 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:30:38,600 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:30:38,601 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:30:38,601 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:30:38,601 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:30:38,602 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:30:38,602 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:30:38,602 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:30:38,603 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:30:38,603 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8eeefd78-5c20-4711-8714-5fa94c309935/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 12:30:38,614 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:30:38,614 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:30:38,615 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:30:38,615 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:30:38,615 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:30:38,616 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 12:30:38,616 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 12:30:38,616 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 12:30:38,616 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 12:30:38,616 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 12:30:38,616 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 12:30:38,616 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:30:38,617 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:30:38,617 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 12:30:38,617 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:30:38,617 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:30:38,617 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:30:38,617 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 12:30:38,617 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 12:30:38,617 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 12:30:38,618 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:30:38,618 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:30:38,618 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 12:30:38,618 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:30:38,618 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 12:30:38,618 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:30:38,618 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:30:38,619 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 12:30:38,619 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:30:38,619 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:30:38,619 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 12:30:38,620 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 12:30:38,620 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_8eeefd78-5c20-4711-8714-5fa94c309935/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 -> ed47af17a01225db794df6404fe947f085302314 [2018-11-28 12:30:38,641 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:30:38,649 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:30:38,651 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:30:38,652 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:30:38,652 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:30:38,653 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8eeefd78-5c20-4711-8714-5fa94c309935/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product07_true-unreach-call_false-termination.cil.c [2018-11-28 12:30:38,689 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8eeefd78-5c20-4711-8714-5fa94c309935/bin-2019/uautomizer/data/48e58858d/532f8268e8634896a434dc9c9bbc5d59/FLAGe849a7017 [2018-11-28 12:30:39,121 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:30:39,121 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8eeefd78-5c20-4711-8714-5fa94c309935/sv-benchmarks/c/product-lines/minepump_spec5_product07_true-unreach-call_false-termination.cil.c [2018-11-28 12:30:39,128 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8eeefd78-5c20-4711-8714-5fa94c309935/bin-2019/uautomizer/data/48e58858d/532f8268e8634896a434dc9c9bbc5d59/FLAGe849a7017 [2018-11-28 12:30:39,136 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8eeefd78-5c20-4711-8714-5fa94c309935/bin-2019/uautomizer/data/48e58858d/532f8268e8634896a434dc9c9bbc5d59 [2018-11-28 12:30:39,139 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:30:39,140 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:30:39,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:30:39,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:30:39,144 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:30:39,145 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:30:39" (1/1) ... [2018-11-28 12:30:39,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d835ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:30:39, skipping insertion in model container [2018-11-28 12:30:39,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:30:39" (1/1) ... [2018-11-28 12:30:39,153 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:30:39,181 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:30:39,365 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:30:39,420 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:30:39,477 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:30:39,495 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:30:39,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:30:39 WrapperNode [2018-11-28 12:30:39,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:30:39,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:30:39,496 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:30:39,496 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:30:39,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:30:39" (1/1) ... [2018-11-28 12:30:39,513 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:30:39" (1/1) ... [2018-11-28 12:30:39,536 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:30:39,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:30:39,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:30:39,536 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:30:39,544 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:30:39" (1/1) ... [2018-11-28 12:30:39,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:30:39" (1/1) ... [2018-11-28 12:30:39,547 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:30:39" (1/1) ... [2018-11-28 12:30:39,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:30:39" (1/1) ... [2018-11-28 12:30:39,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:30:39" (1/1) ... [2018-11-28 12:30:39,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:30:39" (1/1) ... [2018-11-28 12:30:39,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:30:39" (1/1) ... [2018-11-28 12:30:39,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:30:39,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:30:39,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:30:39,558 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:30:39,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:30:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8eeefd78-5c20-4711-8714-5fa94c309935/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 [2018-11-28 12:30:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:30:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 12:30:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:30:39,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:30:40,058 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:30:40,059 INFO L280 CfgBuilder]: Removed 114 assue(true) statements. [2018-11-28 12:30:40,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:30:40 BoogieIcfgContainer [2018-11-28 12:30:40,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:30:40,060 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 12:30:40,060 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 12:30:40,063 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 12:30:40,063 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:30:40,064 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 12:30:39" (1/3) ... [2018-11-28 12:30:40,064 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c3c17d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:30:40, skipping insertion in model container [2018-11-28 12:30:40,065 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:30:40,065 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:30:39" (2/3) ... [2018-11-28 12:30:40,065 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c3c17d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:30:40, skipping insertion in model container [2018-11-28 12:30:40,065 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:30:40,065 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:30:40" (3/3) ... [2018-11-28 12:30:40,066 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product07_true-unreach-call_false-termination.cil.c [2018-11-28 12:30:40,107 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:30:40,107 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 12:30:40,107 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 12:30:40,107 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 12:30:40,107 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:30:40,107 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:30:40,107 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 12:30:40,108 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:30:40,108 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 12:30:40,117 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77 states. [2018-11-28 12:30:40,136 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2018-11-28 12:30:40,136 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:30:40,136 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:30:40,143 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:30:40,143 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:30:40,144 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 12:30:40,144 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77 states. [2018-11-28 12:30:40,147 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2018-11-28 12:30:40,147 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:30:40,147 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:30:40,148 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:30:40,148 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:30:40,151 INFO L794 eck$LassoCheckResult]: Stem: 39#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string21.base, #t~string21.offset := #Ultimate.alloc(13);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(80, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(117, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(109, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(112, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(110, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 3 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(32, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(21);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(30);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(25);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25); 8#L-1true havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 7#L533true havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 16#L541true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 42#L132true assume 0 != main_~tmp~0; 34#L103true ~switchedOnBeforeTS~0 := 0; 41#L238true havoc test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, 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; 24#L259-1true [2018-11-28 12:30:40,152 INFO L796 eck$LassoCheckResult]: Loop: 24#L259-1true assume !false; 31#L293true assume test_~splverifierCounter~0 < 4; 47#L294true test_~tmp~2 := test_#t~nondet14;havoc test_#t~nondet14; 77#L302true assume !(0 != test_~tmp~2); 75#L302-1true test_~tmp___0~1 := test_#t~nondet15;havoc test_#t~nondet15; 45#L312true assume !(0 != test_~tmp___0~1); 48#L312-1true test_~tmp___2~0 := test_#t~nondet16;havoc test_#t~nondet16; 33#L322true assume 0 != test_~tmp___2~0; 72#L328-1true havoc __utac_acc__Specification5_spec__2_#t~ret11;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; 13#L446true __utac_acc__Specification5_spec__2_#t~ret11 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret11;havoc __utac_acc__Specification5_spec__2_#t~ret11; 26#L248true assume !(0 != ~pumpRunning~0); 65#L361true assume !(0 != ~systemActive~0); 76#L368true havoc __utac_acc__Specification5_spec__3_#t~ret12, __utac_acc__Specification5_spec__3_#t~ret13, __utac_acc__Specification5_spec__3_~tmp~1, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;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; 71#L225true __utac_acc__Specification5_spec__3_#t~ret12 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~1 := __utac_acc__Specification5_spec__3_#t~ret12;havoc __utac_acc__Specification5_spec__3_#t~ret12; 28#L259true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~1); 24#L259-1true [2018-11-28 12:30:40,155 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:30:40,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2018-11-28 12:30:40,156 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:30:40,157 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:30:40,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:30:40,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:30:40,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:30:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:30:40,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:30:40,319 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:30:40,319 INFO L82 PathProgramCache]: Analyzing trace with hash -242168939, now seen corresponding path program 1 times [2018-11-28 12:30:40,319 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:30:40,319 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:30:40,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:30:40,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:30:40,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:30:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:30:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:30:40,332 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:30:40,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1691856271, now seen corresponding path program 1 times [2018-11-28 12:30:40,333 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:30:40,333 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:30:40,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:30:40,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:30:40,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:30:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:30:40,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:30:40,441 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:30:40,441 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:30:40,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:30:40,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:30:40,526 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 6 states. [2018-11-28 12:30:40,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:30:40,638 INFO L93 Difference]: Finished difference Result 205 states and 280 transitions. [2018-11-28 12:30:40,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:30:40,640 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 205 states and 280 transitions. [2018-11-28 12:30:40,645 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 131 [2018-11-28 12:30:40,651 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 205 states to 184 states and 259 transitions. [2018-11-28 12:30:40,652 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 184 [2018-11-28 12:30:40,652 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 184 [2018-11-28 12:30:40,653 INFO L73 IsDeterministic]: Start isDeterministic. Operand 184 states and 259 transitions. [2018-11-28 12:30:40,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 12:30:40,654 INFO L705 BuchiCegarLoop]: Abstraction has 184 states and 259 transitions. [2018-11-28 12:30:40,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states and 259 transitions. [2018-11-28 12:30:40,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 119. [2018-11-28 12:30:40,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-11-28 12:30:40,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 167 transitions. [2018-11-28 12:30:40,680 INFO L728 BuchiCegarLoop]: Abstraction has 119 states and 167 transitions. [2018-11-28 12:30:40,680 INFO L608 BuchiCegarLoop]: Abstraction has 119 states and 167 transitions. [2018-11-28 12:30:40,680 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 12:30:40,681 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 119 states and 167 transitions. [2018-11-28 12:30:40,682 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 84 [2018-11-28 12:30:40,682 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:30:40,682 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:30:40,683 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:30:40,683 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:30:40,683 INFO L794 eck$LassoCheckResult]: Stem: 354#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string21.base, #t~string21.offset := #Ultimate.alloc(13);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(80, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(117, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(109, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(112, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(110, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 3 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(32, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(21);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(30);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(25);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25); 316#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 310#L533 havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 311#L541 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 329#L132 assume 0 != main_~tmp~0; 348#L103 ~switchedOnBeforeTS~0 := 0; 349#L238 havoc test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, 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; 306#L259-1 [2018-11-28 12:30:40,684 INFO L796 eck$LassoCheckResult]: Loop: 306#L259-1 assume !false; 338#L293 assume test_~splverifierCounter~0 < 4; 344#L294 test_~tmp~2 := test_#t~nondet14;havoc test_#t~nondet14; 356#L302 assume !(0 != test_~tmp~2); 309#L302-1 test_~tmp___0~1 := test_#t~nondet15;havoc test_#t~nondet15; 355#L312 assume !(0 != test_~tmp___0~1); 353#L312-1 test_~tmp___2~0 := test_#t~nondet16;havoc test_#t~nondet16; 345#L322 assume 0 != test_~tmp___2~0; 347#L328-1 havoc __utac_acc__Specification5_spec__2_#t~ret11;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; 321#L446 __utac_acc__Specification5_spec__2_#t~ret11 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret11;havoc __utac_acc__Specification5_spec__2_#t~ret11; 322#L248 assume !(0 != ~pumpRunning~0); 340#L361 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret18, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 358#L393 assume !(0 != ~pumpRunning~0); 359#L368 havoc __utac_acc__Specification5_spec__3_#t~ret12, __utac_acc__Specification5_spec__3_#t~ret13, __utac_acc__Specification5_spec__3_~tmp~1, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;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; 370#L225 __utac_acc__Specification5_spec__3_#t~ret12 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~1 := __utac_acc__Specification5_spec__3_#t~ret12;havoc __utac_acc__Specification5_spec__3_#t~ret12; 342#L259 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~1); 306#L259-1 [2018-11-28 12:30:40,684 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:30:40,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2018-11-28 12:30:40,684 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:30:40,684 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:30:40,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:30:40,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:30:40,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:30:40,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:30:40,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:30:40,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:30:40,727 INFO L82 PathProgramCache]: Analyzing trace with hash 1062169027, now seen corresponding path program 1 times [2018-11-28 12:30:40,727 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:30:40,727 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:30:40,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:30:40,728 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:30:40,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:30:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:30:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:30:40,736 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:30:40,736 INFO L82 PathProgramCache]: Analyzing trace with hash 887408393, now seen corresponding path program 1 times [2018-11-28 12:30:40,736 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:30:40,736 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:30:40,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:30:40,737 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:30:40,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:30:40,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:30:40,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:30:40,789 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:30:40,789 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:30:40,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:30:40,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:30:40,860 INFO L87 Difference]: Start difference. First operand 119 states and 167 transitions. cyclomatic complexity: 51 Second operand 5 states. [2018-11-28 12:30:41,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:30:41,050 INFO L93 Difference]: Finished difference Result 316 states and 435 transitions. [2018-11-28 12:30:41,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:30:41,051 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 316 states and 435 transitions. [2018-11-28 12:30:41,056 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 162 [2018-11-28 12:30:41,061 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 316 states to 316 states and 435 transitions. [2018-11-28 12:30:41,061 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 316 [2018-11-28 12:30:41,062 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 316 [2018-11-28 12:30:41,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 316 states and 435 transitions. [2018-11-28 12:30:41,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 12:30:41,064 INFO L705 BuchiCegarLoop]: Abstraction has 316 states and 435 transitions. [2018-11-28 12:30:41,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states and 435 transitions. [2018-11-28 12:30:41,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 231. [2018-11-28 12:30:41,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-11-28 12:30:41,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 313 transitions. [2018-11-28 12:30:41,074 INFO L728 BuchiCegarLoop]: Abstraction has 231 states and 313 transitions. [2018-11-28 12:30:41,074 INFO L608 BuchiCegarLoop]: Abstraction has 231 states and 313 transitions. [2018-11-28 12:30:41,074 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 12:30:41,075 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 231 states and 313 transitions. [2018-11-28 12:30:41,076 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 162 [2018-11-28 12:30:41,076 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:30:41,077 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:30:41,077 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:30:41,077 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:30:41,077 INFO L794 eck$LassoCheckResult]: Stem: 810#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string21.base, #t~string21.offset := #Ultimate.alloc(13);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(80, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(117, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(109, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(112, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(110, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 3 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(32, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(21);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(30);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(25);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25); 769#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 761#L533 havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 762#L541 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 781#L132 assume 0 != main_~tmp~0; 804#L103 ~switchedOnBeforeTS~0 := 0; 805#L238 havoc test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, 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; 811#L259-1 [2018-11-28 12:30:41,078 INFO L796 eck$LassoCheckResult]: Loop: 811#L259-1 assume !false; 928#L293 assume test_~splverifierCounter~0 < 4; 813#L294 test_~tmp~2 := test_#t~nondet14;havoc test_#t~nondet14; 814#L302 assume !(0 != test_~tmp~2); 958#L302-1 test_~tmp___0~1 := test_#t~nondet15;havoc test_#t~nondet15; 957#L312 assume !(0 != test_~tmp___0~1); 953#L312-1 test_~tmp___2~0 := test_#t~nondet16;havoc test_#t~nondet16; 929#L322 assume 0 != test_~tmp___2~0; 836#L328-1 havoc __utac_acc__Specification5_spec__2_#t~ret11;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; 951#L446 __utac_acc__Specification5_spec__2_#t~ret11 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret11;havoc __utac_acc__Specification5_spec__2_#t~ret11; 950#L248 assume !(0 != ~pumpRunning~0); 949#L361 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret18, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 905#L393 assume !(0 != ~pumpRunning~0); 935#L368 havoc __utac_acc__Specification5_spec__3_#t~ret12, __utac_acc__Specification5_spec__3_#t~ret13, __utac_acc__Specification5_spec__3_~tmp~1, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;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; 934#L225 __utac_acc__Specification5_spec__3_#t~ret12 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~1 := __utac_acc__Specification5_spec__3_#t~ret12;havoc __utac_acc__Specification5_spec__3_#t~ret12; 933#L259 assume 2 != __utac_acc__Specification5_spec__3_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; 932#L446-1 __utac_acc__Specification5_spec__3_#t~ret13 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret13;havoc __utac_acc__Specification5_spec__3_#t~ret13; 930#L263 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0); 811#L259-1 [2018-11-28 12:30:41,078 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:30:41,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2018-11-28 12:30:41,078 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:30:41,078 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:30:41,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:30:41,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:30:41,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:30:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:30:41,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:30:41,110 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:30:41,110 INFO L82 PathProgramCache]: Analyzing trace with hash -1457795586, now seen corresponding path program 1 times [2018-11-28 12:30:41,110 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:30:41,110 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:30:41,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:30:41,111 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:30:41,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:30:41,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:30:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:30:41,118 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:30:41,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1899040316, now seen corresponding path program 1 times [2018-11-28 12:30:41,118 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:30:41,118 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:30:41,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:30:41,119 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:30:41,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:30:41,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:30:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:30:46,617 WARN L180 SmtUtils]: Spent 5.30 s on a formula simplification. DAG size of input: 429 DAG size of output: 427 [2018-11-28 12:30:49,253 WARN L180 SmtUtils]: Spent 2.63 s on a formula simplification that was a NOOP. DAG size: 425 [2018-11-28 12:30:49,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 12:30:49 BoogieIcfgContainer [2018-11-28 12:30:49,290 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 12:30:49,290 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:30:49,290 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:30:49,290 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:30:49,291 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:30:40" (3/4) ... [2018-11-28 12:30:49,293 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 12:30:49,327 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8eeefd78-5c20-4711-8714-5fa94c309935/bin-2019/uautomizer/witness.graphml [2018-11-28 12:30:49,327 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:30:49,328 INFO L168 Benchmark]: Toolchain (without parser) took 10188.06 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 317.2 MB). Free memory was 950.6 MB in the beginning and 919.4 MB in the end (delta: 31.2 MB). Peak memory consumption was 348.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:30:49,328 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:30:49,328 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -178.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:30:49,329 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:30:49,329 INFO L168 Benchmark]: Boogie Preprocessor took 21.97 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. [2018-11-28 12:30:49,329 INFO L168 Benchmark]: RCFGBuilder took 501.14 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: 65.7 MB). Peak memory consumption was 65.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:30:49,330 INFO L168 Benchmark]: BuchiAutomizer took 9230.08 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 175.6 MB). Free memory was 1.1 GB in the beginning and 921.5 MB in the end (delta: 138.1 MB). Peak memory consumption was 348.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:30:49,330 INFO L168 Benchmark]: Witness Printer took 36.88 ms. Allocated memory is still 1.3 GB. Free memory was 921.5 MB in the beginning and 919.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:30:49,332 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 354.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -178.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.97 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 501.14 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: 65.7 MB). Peak memory consumption was 65.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 9230.08 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 175.6 MB). Free memory was 1.1 GB in the beginning and 921.5 MB in the end (delta: 138.1 MB). Peak memory consumption was 348.1 MB. Max. memory is 11.5 GB. * Witness Printer took 36.88 ms. Allocated memory is still 1.3 GB. Free memory was 921.5 MB in the beginning and 919.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 231 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 8.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 150 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 231 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 256 SDtfs, 685 SDslu, 870 SDs, 0 SdLazy, 109 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 292]: 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, NULL=0, NULL=15, NULL=37, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5085d0e9=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c9611b7=0, NULL=26, NULL=28, methaneLevelCritical=0, NULL=16, tmp=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d57ca10=0, NULL=0, NULL=0, NULL=39, NULL=0, NULL=31, NULL=0, NULL=19, tmp=1, tmp___1=0, NULL=34, NULL=12, NULL=0, NULL=0, NULL=0, NULL=0, cleanupTimeShifts=4, switchedOnBeforeTS=0, NULL=8, NULL=35, \result=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=24, \result=1, NULL=36, NULL=0, retValue_acc=1, NULL=29, NULL=0, NULL=0, NULL=0, NULL=0, NULL=18, tmp___0=0, \result=1, head=0, pumpRunning=0, tmp=1, NULL=33, \result=0, NULL=14, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4935b409=0, NULL=27, NULL=0, NULL=0, NULL=22, retValue_acc=1, NULL=38, tmp___2=56, tmp___0=0, splverifierCounter=0, NULL=0, NULL=17, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@736f1508=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@19628b64=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a51d34c=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@402973a0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@513541ab=0, NULL=23, tmp=0, head=0, NULL=11, NULL=0, NULL=40, retValue_acc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L40] int cleanupTimeShifts = 4; [L150] int waterLevel = 1; [L151] int methaneLevelCritical = 0; [L232] int switchedOnBeforeTS ; [L351] int pumpRunning = 0; [L352] int systemActive = 1; [L715] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L123] int retValue_acc ; [L124] int tmp ; [L537] int retValue_acc ; [L540] retValue_acc = 1 [L541] return (retValue_acc); [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L237] switchedOnBeforeTS = 0 [L283] int splverifierCounter ; [L284] int tmp ; [L285] int tmp___0 ; [L286] int tmp___1 ; [L287] int tmp___2 ; [L290] splverifierCounter = 0 Loop: [L292] COND TRUE 1 [L294] COND TRUE splverifierCounter < 4 [L300] tmp = __VERIFIER_nondet_int() [L302] COND FALSE !(\read(tmp)) [L310] tmp___0 = __VERIFIER_nondet_int() [L312] COND FALSE !(\read(tmp___0)) [L320] tmp___2 = __VERIFIER_nondet_int() [L322] COND TRUE \read(tmp___2) [L442] int retValue_acc ; [L445] retValue_acc = pumpRunning [L446] return (retValue_acc); [L246] switchedOnBeforeTS = isPumpRunning() [L361] COND FALSE !(\read(pumpRunning)) [L368] COND TRUE \read(systemActive) [L390] int tmp ; [L393] COND FALSE !(\read(pumpRunning)) [L252] int tmp ; [L253] int tmp___0 ; [L221] int retValue_acc ; [L224] retValue_acc = waterLevel [L225] return (retValue_acc); [L257] tmp = getWaterLevel() [L259] COND TRUE tmp != 2 [L442] int retValue_acc ; [L445] retValue_acc = pumpRunning [L446] return (retValue_acc); [L261] tmp___0 = isPumpRunning() [L263] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...