./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product23_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec4_product23_true-unreach-call_false-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 87504a1abfe2d10f353d562b38ba2c6a9363e65c ..................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-2e94e6a [2019-01-01 23:46:26,546 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 23:46:26,547 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 23:46:26,569 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 23:46:26,569 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 23:46:26,570 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 23:46:26,571 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 23:46:26,573 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 23:46:26,574 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 23:46:26,575 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 23:46:26,576 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 23:46:26,576 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 23:46:26,577 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 23:46:26,578 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 23:46:26,579 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 23:46:26,580 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 23:46:26,581 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 23:46:26,583 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 23:46:26,585 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 23:46:26,586 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 23:46:26,587 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 23:46:26,588 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 23:46:26,591 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 23:46:26,591 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 23:46:26,591 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 23:46:26,592 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 23:46:26,594 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 23:46:26,594 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 23:46:26,595 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 23:46:26,596 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 23:46:26,597 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 23:46:26,597 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 23:46:26,597 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 23:46:26,598 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 23:46:26,599 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 23:46:26,599 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 23:46:26,600 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 23:46:26,631 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 23:46:26,634 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 23:46:26,635 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 23:46:26,635 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 23:46:26,635 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 23:46:26,636 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 23:46:26,638 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 23:46:26,638 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 23:46:26,638 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 23:46:26,638 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 23:46:26,638 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 23:46:26,639 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 23:46:26,639 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 23:46:26,639 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 23:46:26,639 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 23:46:26,639 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 23:46:26,643 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 23:46:26,643 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 23:46:26,643 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 23:46:26,643 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 23:46:26,643 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 23:46:26,644 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 23:46:26,644 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 23:46:26,644 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 23:46:26,644 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 23:46:26,644 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 23:46:26,645 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 23:46:26,645 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 23:46:26,645 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 23:46:26,645 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 23:46:26,645 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 23:46:26,650 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 23:46:26,651 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 87504a1abfe2d10f353d562b38ba2c6a9363e65c [2019-01-01 23:46:26,721 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 23:46:26,734 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 23:46:26,738 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 23:46:26,739 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 23:46:26,740 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 23:46:26,740 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product23_true-unreach-call_false-termination.cil.c [2019-01-01 23:46:26,800 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a49a85192/9d18cecc20b046799fd8715b73a26546/FLAG4ce7ac6df [2019-01-01 23:46:27,310 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 23:46:27,310 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product23_true-unreach-call_false-termination.cil.c [2019-01-01 23:46:27,324 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a49a85192/9d18cecc20b046799fd8715b73a26546/FLAG4ce7ac6df [2019-01-01 23:46:27,636 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a49a85192/9d18cecc20b046799fd8715b73a26546 [2019-01-01 23:46:27,640 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 23:46:27,642 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 23:46:27,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 23:46:27,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 23:46:27,647 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 23:46:27,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:46:27" (1/1) ... [2019-01-01 23:46:27,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5694ea96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:27, skipping insertion in model container [2019-01-01 23:46:27,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:46:27" (1/1) ... [2019-01-01 23:46:27,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 23:46:27,730 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 23:46:28,105 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:46:28,122 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 23:46:28,348 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:46:28,393 INFO L195 MainTranslator]: Completed translation [2019-01-01 23:46:28,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:28 WrapperNode [2019-01-01 23:46:28,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 23:46:28,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 23:46:28,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 23:46:28,395 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 23:46:28,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:28" (1/1) ... [2019-01-01 23:46:28,423 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:28" (1/1) ... [2019-01-01 23:46:28,470 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 23:46:28,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 23:46:28,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 23:46:28,470 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 23:46:28,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:28" (1/1) ... [2019-01-01 23:46:28,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:28" (1/1) ... [2019-01-01 23:46:28,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:28" (1/1) ... [2019-01-01 23:46:28,487 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:28" (1/1) ... [2019-01-01 23:46:28,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:28" (1/1) ... [2019-01-01 23:46:28,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:28" (1/1) ... [2019-01-01 23:46:28,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:28" (1/1) ... [2019-01-01 23:46:28,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 23:46:28,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 23:46:28,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 23:46:28,516 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 23:46:28,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-01 23:46:28,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 23:46:28,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-01 23:46:28,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 23:46:28,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 23:46:29,798 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 23:46:29,798 INFO L280 CfgBuilder]: Removed 160 assue(true) statements. [2019-01-01 23:46:29,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:46:29 BoogieIcfgContainer [2019-01-01 23:46:29,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 23:46:29,799 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 23:46:29,800 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 23:46:29,803 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 23:46:29,804 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:46:29,804 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 11:46:27" (1/3) ... [2019-01-01 23:46:29,806 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b8b40a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:46:29, skipping insertion in model container [2019-01-01 23:46:29,806 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:46:29,806 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:28" (2/3) ... [2019-01-01 23:46:29,807 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b8b40a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:46:29, skipping insertion in model container [2019-01-01 23:46:29,807 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:46:29,807 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:46:29" (3/3) ... [2019-01-01 23:46:29,809 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product23_true-unreach-call_false-termination.cil.c [2019-01-01 23:46:29,870 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 23:46:29,870 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 23:46:29,871 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 23:46:29,871 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 23:46:29,871 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 23:46:29,871 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 23:46:29,871 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 23:46:29,871 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 23:46:29,872 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 23:46:29,889 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2019-01-01 23:46:29,920 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-01-01 23:46:29,920 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:46:29,921 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:46:29,931 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:46:29,932 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:46:29,932 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 23:46:29,932 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2019-01-01 23:46:29,940 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-01-01 23:46:29,940 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:46:29,940 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:46:29,941 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:46:29,941 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:46:29,948 INFO L794 eck$LassoCheckResult]: Stem: 71#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~cleanupTimeShifts~0 := 4; 9#L-1true havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 99#L536true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 8#L544true main_#t~ret72 := valid_product_#res;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; 63#L925true assume 0 != main_~tmp~8; 105#L902true havoc test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 100#L825-1true [2019-01-01 23:46:29,949 INFO L796 eck$LassoCheckResult]: Loop: 100#L825-1true assume !false; 12#L563true assume test_~splverifierCounter~0 < 4; 68#L564true test_~tmp~3 := test_#t~nondet46;havoc test_#t~nondet46; 93#L572true assume !(0 != test_~tmp~3); 95#L572-1true test_~tmp___0~0 := test_#t~nondet47;havoc test_#t~nondet47; 33#L582true assume !(0 != test_~tmp___0~0); 34#L582-1true test_~tmp___2~0 := test_#t~nondet48;havoc test_#t~nondet48; 67#L592true assume 0 != test_~tmp___2~0; 60#L598-1true assume !(0 != ~pumpRunning~0); 56#L631true assume !(0 != ~systemActive~0); 90#L638true havoc __utac_acc__Specification4_spec__1_#t~ret70, __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 16#L497true __utac_acc__Specification4_spec__1_#t~ret70 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret70;havoc __utac_acc__Specification4_spec__1_#t~ret70; 98#L825true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 100#L825-1true [2019-01-01 23:46:29,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:46:29,965 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-01-01 23:46:29,968 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:46:29,969 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:46:30,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:30,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:46:30,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:30,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:46:30,818 INFO L82 PathProgramCache]: Analyzing trace with hash -1671709749, now seen corresponding path program 1 times [2019-01-01 23:46:30,818 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:46:30,818 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:46:30,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:30,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:46:30,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:30,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:30,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:46:30,844 INFO L82 PathProgramCache]: Analyzing trace with hash 42569189, now seen corresponding path program 1 times [2019-01-01 23:46:30,845 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:46:30,845 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:46:30,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:30,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:46:30,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:46:31,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:46:31,173 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:46:31,173 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 23:46:31,428 WARN L181 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2019-01-01 23:46:31,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-01 23:46:31,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-01-01 23:46:31,505 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 6 states. [2019-01-01 23:46:31,830 WARN L181 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2019-01-01 23:46:32,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:46:32,161 INFO L93 Difference]: Finished difference Result 252 states and 354 transitions. [2019-01-01 23:46:32,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 23:46:32,167 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 252 states and 354 transitions. [2019-01-01 23:46:32,183 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 161 [2019-01-01 23:46:32,198 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 252 states to 231 states and 333 transitions. [2019-01-01 23:46:32,201 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 231 [2019-01-01 23:46:32,203 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 231 [2019-01-01 23:46:32,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 231 states and 333 transitions. [2019-01-01 23:46:32,210 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:46:32,210 INFO L705 BuchiCegarLoop]: Abstraction has 231 states and 333 transitions. [2019-01-01 23:46:32,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states and 333 transitions. [2019-01-01 23:46:32,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 138. [2019-01-01 23:46:32,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-01-01 23:46:32,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 198 transitions. [2019-01-01 23:46:32,279 INFO L728 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2019-01-01 23:46:32,279 INFO L608 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2019-01-01 23:46:32,279 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 23:46:32,279 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 198 transitions. [2019-01-01 23:46:32,285 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 96 [2019-01-01 23:46:32,286 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:46:32,287 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:46:32,287 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:46:32,287 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:46:32,288 INFO L794 eck$LassoCheckResult]: Stem: 460#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~cleanupTimeShifts~0 := 4; 386#L-1 havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 387#L536 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 384#L544 main_#t~ret72 := valid_product_#res;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; 385#L925 assume 0 != main_~tmp~8; 457#L902 havoc test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 455#L825-1 [2019-01-01 23:46:32,288 INFO L796 eck$LassoCheckResult]: Loop: 455#L825-1 assume !false; 391#L563 assume test_~splverifierCounter~0 < 4; 392#L564 test_~tmp~3 := test_#t~nondet46;havoc test_#t~nondet46; 458#L572 assume !(0 != test_~tmp~3); 466#L572-1 test_~tmp___0~0 := test_#t~nondet47;havoc test_#t~nondet47; 426#L582 assume !(0 != test_~tmp___0~0); 427#L582-1 test_~tmp___2~0 := test_#t~nondet48;havoc test_#t~nondet48; 429#L592 assume 0 != test_~tmp___2~0; 454#L598-1 assume !(0 != ~pumpRunning~0); 420#L631 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 441#L689 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret50, processEnvironment__wrappee__lowWaterSensor_~tmp~4;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~4; 443#L663-1 assume !(0 != ~pumpRunning~0); 446#L638 havoc __utac_acc__Specification4_spec__1_#t~ret70, __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 399#L497 __utac_acc__Specification4_spec__1_#t~ret70 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret70;havoc __utac_acc__Specification4_spec__1_#t~ret70; 400#L825 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 455#L825-1 [2019-01-01 23:46:32,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:46:32,294 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-01-01 23:46:32,294 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:46:32,294 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:46:32,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:32,296 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:46:32,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:32,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:32,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:32,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:46:32,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1950294333, now seen corresponding path program 1 times [2019-01-01 23:46:32,623 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:46:32,623 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:46:32,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:32,624 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 23:46:32,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:32,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:46:32,644 INFO L82 PathProgramCache]: Analyzing trace with hash 104912087, now seen corresponding path program 1 times [2019-01-01 23:46:32,644 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:46:32,644 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:46:32,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:32,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:46:32,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:33,152 WARN L181 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-01-01 23:46:59,743 WARN L181 SmtUtils]: Spent 26.49 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-01-01 23:47:14,283 WARN L181 SmtUtils]: Spent 14.54 s on a formula simplification that was a NOOP. DAG size: 449 [2019-01-01 23:47:14,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 11:47:14 BoogieIcfgContainer [2019-01-01 23:47:14,366 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 23:47:14,366 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 23:47:14,366 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 23:47:14,366 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 23:47:14,368 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:46:29" (3/4) ... [2019-01-01 23:47:14,372 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-01 23:47:14,446 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 23:47:14,449 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 23:47:14,454 INFO L168 Benchmark]: Toolchain (without parser) took 46813.12 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 317.2 MB). Free memory was 950.0 MB in the beginning and 967.1 MB in the end (delta: -17.1 MB). Peak memory consumption was 300.1 MB. Max. memory is 11.5 GB. [2019-01-01 23:47:14,456 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:47:14,456 INFO L168 Benchmark]: CACSL2BoogieTranslator took 751.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -175.4 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. [2019-01-01 23:47:14,457 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.76 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-01 23:47:14,461 INFO L168 Benchmark]: Boogie Preprocessor took 45.07 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. [2019-01-01 23:47:14,462 INFO L168 Benchmark]: RCFGBuilder took 1283.19 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: 58.8 MB). Peak memory consumption was 58.8 MB. Max. memory is 11.5 GB. [2019-01-01 23:47:14,462 INFO L168 Benchmark]: BuchiAutomizer took 44566.31 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 179.3 MB). Free memory was 1.1 GB in the beginning and 978.5 MB in the end (delta: 81.4 MB). Peak memory consumption was 410.0 MB. Max. memory is 11.5 GB. [2019-01-01 23:47:14,463 INFO L168 Benchmark]: Witness Printer took 86.75 ms. Allocated memory is still 1.3 GB. Free memory was 978.5 MB in the beginning and 967.1 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. [2019-01-01 23:47:14,476 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 751.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -175.4 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 74.76 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.07 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 1283.19 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: 58.8 MB). Peak memory consumption was 58.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 44566.31 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 179.3 MB). Free memory was 1.1 GB in the beginning and 978.5 MB in the end (delta: 81.4 MB). Peak memory consumption was 410.0 MB. Max. memory is 11.5 GB. * Witness Printer took 86.75 ms. Allocated memory is still 1.3 GB. Free memory was 978.5 MB in the beginning and 967.1 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 138 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 44.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 43.5s. Construction of modules took 0.3s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 93 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 138 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 143 SDtfs, 550 SDslu, 659 SDs, 0 SdLazy, 42 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s 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: 562]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=11727} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4692bbe5=0, NULL=0, NULL=0, NULL=0, NULL=11727, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1255bba3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5fe924be=66, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@89e1749=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30b2c97a=0, NULL=0, NULL=11726, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@66f2bee8=0, NULL=-17, NULL=-7, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11809e66=0, tmp=0, NULL=0, NULL=0, tmp=0, NULL=-18, tmp___1=0, NULL=-19, NULL=-6, NULL=-10, NULL=-1, NULL=-15, cleanupTimeShifts=4, NULL=-16, NULL=-2, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=0, NULL=-5, NULL=-23, NULL=0, tmp___0=0, NULL=-20, NULL=0, NULL=0, retValue_acc=0, \result=1, NULL=-8, head=0, pumpRunning=0, \result=0, NULL=-14, NULL=0, NULL=0, NULL=-22, tmp=1, NULL=0, retValue_acc=1, NULL=-11, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d3d11fc=0, tmp=1, tmp___2=66, retValue_acc=1, NULL=-9, splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1cf3eb8c=0, head=0, NULL=0, tmp=0, NULL=-13, NULL=-3, NULL=0, NULL=-12, NULL=0, NULL=0, NULL=-21, NULL=-4, NULL=3165} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L218] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L422] int waterLevel = 1; [L423] int methaneLevelCritical = 0; [L623] int pumpRunning = 0; [L624] int systemActive = 1; [L843] int cleanupTimeShifts = 4; [L916] int retValue_acc ; [L917] int tmp ; [L540] int retValue_acc ; [L543] retValue_acc = 1 [L544] return (retValue_acc); [L923] tmp = valid_product() [L925] COND TRUE \read(tmp) [L553] int splverifierCounter ; [L554] int tmp ; [L555] int tmp___0 ; [L556] int tmp___1 ; [L557] int tmp___2 ; [L560] splverifierCounter = 0 Loop: [L562] COND TRUE 1 [L564] COND TRUE splverifierCounter < 4 [L570] tmp = __VERIFIER_nondet_int() [L572] COND FALSE !(\read(tmp)) [L580] tmp___0 = __VERIFIER_nondet_int() [L582] COND FALSE !(\read(tmp___0)) [L590] tmp___2 = __VERIFIER_nondet_int() [L592] COND TRUE \read(tmp___2) [L631] COND FALSE !(\read(pumpRunning)) [L638] COND TRUE \read(systemActive) [L686] int tmp ; [L689] COND FALSE !(\read(pumpRunning)) [L660] int tmp ; [L663] COND FALSE !(\read(pumpRunning)) [L818] int tmp ; [L819] int tmp___0 ; [L493] int retValue_acc ; [L496] retValue_acc = waterLevel [L497] return (retValue_acc); [L823] tmp = getWaterLevel() [L825] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...