./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/bin/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 ../sv-benchmarks/c/product-lines/minepump_spec5_product09.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 866baf73f4dcb586932f32344135b08000966702 ................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.24-678e011 [2019-11-19 22:29:45,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:29:45,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:29:45,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:29:45,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:29:45,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:29:45,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:29:45,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:29:45,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:29:45,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:29:45,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:29:45,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:29:45,718 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:29:45,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:29:45,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:29:45,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:29:45,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:29:45,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:29:45,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:29:45,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:29:45,736 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:29:45,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:29:45,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:29:45,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:29:45,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:29:45,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:29:45,748 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:29:45,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:29:45,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:29:45,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:29:45,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:29:45,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:29:45,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:29:45,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:29:45,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:29:45,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:29:45,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:29:45,756 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:29:45,756 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:29:45,757 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:29:45,758 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:29:45,759 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-19 22:29:45,800 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:29:45,801 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:29:45,802 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:29:45,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:29:45,803 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:29:45,803 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 22:29:45,803 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 22:29:45,803 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 22:29:45,804 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 22:29:45,804 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 22:29:45,804 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 22:29:45,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:29:45,805 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:29:45,805 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:29:45,805 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:29:45,806 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:29:45,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:29:45,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 22:29:45,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 22:29:45,807 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 22:29:45,807 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:29:45,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:29:45,807 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 22:29:45,808 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:29:45,808 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 22:29:45,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:29:45,809 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:29:45,809 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 22:29:45,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:29:45,809 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:29:45,810 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 22:29:45,811 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 22:29:45,811 INFO L138 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 -> 866baf73f4dcb586932f32344135b08000966702 [2019-11-19 22:29:46,133 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:29:46,153 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:29:46,157 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:29:46,159 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:29:46,159 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:29:46,160 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product09.cil.c [2019-11-19 22:29:46,231 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12a57d806/41e3e72d65ed430db1fcc37c39b9d4fe/FLAG5f6cb9c61 [2019-11-19 22:29:46,725 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:29:46,728 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product09.cil.c [2019-11-19 22:29:46,745 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12a57d806/41e3e72d65ed430db1fcc37c39b9d4fe/FLAG5f6cb9c61 [2019-11-19 22:29:47,052 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12a57d806/41e3e72d65ed430db1fcc37c39b9d4fe [2019-11-19 22:29:47,056 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:29:47,058 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:29:47,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:29:47,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:29:47,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:29:47,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:29:47" (1/1) ... [2019-11-19 22:29:47,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fa7a13a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:47, skipping insertion in model container [2019-11-19 22:29:47,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:29:47" (1/1) ... [2019-11-19 22:29:47,073 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:29:47,119 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:29:47,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:29:47,507 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:29:47,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:29:47,629 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:29:47,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:47 WrapperNode [2019-11-19 22:29:47,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:29:47,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:29:47,630 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:29:47,630 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:29:47,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:47" (1/1) ... [2019-11-19 22:29:47,657 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:47" (1/1) ... [2019-11-19 22:29:47,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:29:47,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:29:47,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:29:47,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:29:47,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:47" (1/1) ... [2019-11-19 22:29:47,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:47" (1/1) ... [2019-11-19 22:29:47,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:47" (1/1) ... [2019-11-19 22:29:47,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:47" (1/1) ... [2019-11-19 22:29:47,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:47" (1/1) ... [2019-11-19 22:29:47,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:47" (1/1) ... [2019-11-19 22:29:47,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:47" (1/1) ... [2019-11-19 22:29:47,725 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:29:47,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:29:47,725 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:29:47,725 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:29:47,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:47" (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 [2019-11-19 22:29:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 22:29:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 22:29:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:29:47,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:29:48,490 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:29:48,491 INFO L285 CfgBuilder]: Removed 80 assume(true) statements. [2019-11-19 22:29:48,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:29:48 BoogieIcfgContainer [2019-11-19 22:29:48,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:29:48,492 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 22:29:48,493 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 22:29:48,495 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 22:29:48,496 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:29:48,496 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 10:29:47" (1/3) ... [2019-11-19 22:29:48,497 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@540c2797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:29:48, skipping insertion in model container [2019-11-19 22:29:48,497 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:29:48,498 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:47" (2/3) ... [2019-11-19 22:29:48,498 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@540c2797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:29:48, skipping insertion in model container [2019-11-19 22:29:48,498 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:29:48,498 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:29:48" (3/3) ... [2019-11-19 22:29:48,500 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product09.cil.c [2019-11-19 22:29:48,541 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 22:29:48,541 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 22:29:48,542 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 22:29:48,542 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:29:48,542 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:29:48,542 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 22:29:48,543 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:29:48,543 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 22:29:48,557 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states. [2019-11-19 22:29:48,581 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2019-11-19 22:29:48,581 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:29:48,581 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:29:48,590 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:29:48,590 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:29:48,590 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 22:29:48,590 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states. [2019-11-19 22:29:48,595 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2019-11-19 22:29:48,596 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:29:48,596 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:29:48,597 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:29:48,597 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:29:48,602 INFO L794 eck$LassoCheckResult]: Stem: 30#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(13);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string19.base, #t~string19.offset, 1);call write~init~int(80, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(117, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(109, #t~string19.base, 3 + #t~string19.offset, 1);call write~init~int(112, #t~string19.base, 4 + #t~string19.offset, 1);call write~init~int(58, #t~string19.base, 5 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 6 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string25.base, #t~string25.offset, 1);call write~init~int(32, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string27.base, #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 1 + #t~string27.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);~switchedOnBeforeTS~0 := 0; 10#L-1true havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~4, main_~tmp~2;havoc main_~retValue_acc~4;havoc main_~tmp~2; 50#L825true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 7#L833true main_#t~ret32 := valid_product_#res;main_~tmp~2 := main_#t~ret32;havoc main_#t~ret32; 62#L423true assume 0 != main_~tmp~2; 25#L395true ~switchedOnBeforeTS~0 := 0; 6#L844true havoc test_#t~nondet28, test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 57#L865-1true [2019-11-19 22:29:48,603 INFO L796 eck$LassoCheckResult]: Loop: 57#L865-1true assume !false; 52#L273true assume test_~splverifierCounter~0 < 4; 8#L274true test_~tmp~1 := test_#t~nondet28;havoc test_#t~nondet28; 21#L282true assume !(0 != test_~tmp~1); 42#L282-1true test_~tmp___0~0 := test_#t~nondet29;havoc test_#t~nondet29; 18#L292true assume !(0 != test_~tmp___0~0); 17#L292-1true test_~tmp___2~0 := test_#t~nondet30;havoc test_#t~nondet30; 64#L302true assume 0 != test_~tmp___2~0; 32#L308-2true havoc __utac_acc__Specification5_spec__2_#t~ret69;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; 24#L220true __utac_acc__Specification5_spec__2_#t~ret69 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret69;havoc __utac_acc__Specification5_spec__2_#t~ret69; 55#L854true assume !(0 != ~pumpRunning~0); 19#L143true assume 0 != ~systemActive~0; 31#L150true havoc __utac_acc__Specification5_spec__3_#t~ret70, __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 44#L121true __utac_acc__Specification5_spec__3_#t~ret70 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret70;havoc __utac_acc__Specification5_spec__3_#t~ret70; 53#L865true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6); 57#L865-1true [2019-11-19 22:29:48,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:29:48,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-11-19 22:29:48,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:29:48,621 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201734035] [2019-11-19 22:29:48,621 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:29:48,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:29:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:29:49,046 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:29:49,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:29:49,047 INFO L82 PathProgramCache]: Analyzing trace with hash 93307151, now seen corresponding path program 1 times [2019-11-19 22:29:49,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:29:49,048 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269737762] [2019-11-19 22:29:49,048 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:29:49,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:29:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:29:49,064 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:29:49,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:29:49,066 INFO L82 PathProgramCache]: Analyzing trace with hash 2027332361, now seen corresponding path program 1 times [2019-11-19 22:29:49,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:29:49,067 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369572035] [2019-11-19 22:29:49,067 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:29:49,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:29:49,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:29:49,190 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369572035] [2019-11-19 22:29:49,191 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:29:49,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:29:49,192 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394127596] [2019-11-19 22:29:49,328 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:29:49,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 22:29:49,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 22:29:49,349 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 5 states. [2019-11-19 22:29:49,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:29:49,569 INFO L93 Difference]: Finished difference Result 162 states and 218 transitions. [2019-11-19 22:29:49,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 22:29:49,572 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 162 states and 218 transitions. [2019-11-19 22:29:49,579 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2019-11-19 22:29:49,585 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 162 states to 144 states and 200 transitions. [2019-11-19 22:29:49,587 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 144 [2019-11-19 22:29:49,588 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 144 [2019-11-19 22:29:49,588 INFO L73 IsDeterministic]: Start isDeterministic. Operand 144 states and 200 transitions. [2019-11-19 22:29:49,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:29:49,590 INFO L688 BuchiCegarLoop]: Abstraction has 144 states and 200 transitions. [2019-11-19 22:29:49,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states and 200 transitions. [2019-11-19 22:29:49,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 105. [2019-11-19 22:29:49,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-11-19 22:29:49,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 142 transitions. [2019-11-19 22:29:49,629 INFO L711 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2019-11-19 22:29:49,629 INFO L591 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2019-11-19 22:29:49,629 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 22:29:49,630 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 105 states and 142 transitions. [2019-11-19 22:29:49,632 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2019-11-19 22:29:49,632 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:29:49,632 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:29:49,633 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:29:49,633 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:29:49,633 INFO L794 eck$LassoCheckResult]: Stem: 289#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(13);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string19.base, #t~string19.offset, 1);call write~init~int(80, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(117, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(109, #t~string19.base, 3 + #t~string19.offset, 1);call write~init~int(112, #t~string19.base, 4 + #t~string19.offset, 1);call write~init~int(58, #t~string19.base, 5 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 6 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string25.base, #t~string25.offset, 1);call write~init~int(32, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string27.base, #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 1 + #t~string27.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);~switchedOnBeforeTS~0 := 0; 258#L-1 havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~4, main_~tmp~2;havoc main_~retValue_acc~4;havoc main_~tmp~2; 259#L825 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 252#L833 main_#t~ret32 := valid_product_#res;main_~tmp~2 := main_#t~ret32;havoc main_#t~ret32; 253#L423 assume 0 != main_~tmp~2; 281#L395 ~switchedOnBeforeTS~0 := 0; 250#L844 havoc test_#t~nondet28, test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 251#L865-1 [2019-11-19 22:29:49,636 INFO L796 eck$LassoCheckResult]: Loop: 251#L865-1 assume !false; 305#L273 assume test_~splverifierCounter~0 < 4; 254#L274 test_~tmp~1 := test_#t~nondet28;havoc test_#t~nondet28; 255#L282 assume !(0 != test_~tmp~1); 273#L282-1 test_~tmp___0~0 := test_#t~nondet29;havoc test_#t~nondet29; 269#L292 assume !(0 != test_~tmp___0~0); 265#L292-1 test_~tmp___2~0 := test_#t~nondet30;havoc test_#t~nondet30; 344#L302 assume 0 != test_~tmp___2~0; 342#L308-2 havoc __utac_acc__Specification5_spec__2_#t~ret69;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; 341#L220 __utac_acc__Specification5_spec__2_#t~ret69 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret69;havoc __utac_acc__Specification5_spec__2_#t~ret69; 306#L854 assume !(0 != ~pumpRunning~0); 270#L143 assume 0 != ~systemActive~0; 271#L150 havoc __utac_acc__Specification5_spec__3_#t~ret70, __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 290#L121 __utac_acc__Specification5_spec__3_#t~ret70 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret70;havoc __utac_acc__Specification5_spec__3_#t~ret70; 301#L865 assume 2 != __utac_acc__Specification5_spec__3_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; 275#L220-1 __utac_acc__Specification5_spec__3_#t~ret71 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~1 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; 276#L869 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1); 251#L865-1 [2019-11-19 22:29:49,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:29:49,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-11-19 22:29:49,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:29:49,637 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059745110] [2019-11-19 22:29:49,637 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:29:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:29:49,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:29:49,730 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:29:49,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:29:49,732 INFO L82 PathProgramCache]: Analyzing trace with hash -526156086, now seen corresponding path program 1 times [2019-11-19 22:29:49,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:29:49,733 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4094573] [2019-11-19 22:29:49,733 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:29:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:29:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:29:49,756 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:29:49,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:29:49,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1648768444, now seen corresponding path program 1 times [2019-11-19 22:29:49,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:29:49,758 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493156069] [2019-11-19 22:29:49,758 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:29:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:29:49,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:29:49,852 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:29:49,956 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2019-11-19 22:30:16,701 WARN L191 SmtUtils]: Spent 26.69 s on a formula simplification. DAG size of input: 456 DAG size of output: 404 [2019-11-19 22:30:29,936 WARN L191 SmtUtils]: Spent 13.23 s on a formula simplification that was a NOOP. DAG size: 402 [2019-11-19 22:30:30,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 10:30:30 BoogieIcfgContainer [2019-11-19 22:30:30,023 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 22:30:30,023 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:30:30,024 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:30:30,024 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:30:30,024 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:29:48" (3/4) ... [2019-11-19 22:30:30,027 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-19 22:30:30,088 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 22:30:30,089 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:30:30,091 INFO L168 Benchmark]: Toolchain (without parser) took 43032.98 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 287.3 MB). Free memory was 960.4 MB in the beginning and 1.3 GB in the end (delta: -299.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:30:30,091 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:30:30,092 INFO L168 Benchmark]: CACSL2BoogieTranslator took 571.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -134.3 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2019-11-19 22:30:30,093 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.43 ms. Allocated memory is still 1.1 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. [2019-11-19 22:30:30,093 INFO L168 Benchmark]: Boogie Preprocessor took 32.99 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:30:30,094 INFO L168 Benchmark]: RCFGBuilder took 766.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.3 MB). Peak memory consumption was 52.3 MB. Max. memory is 11.5 GB. [2019-11-19 22:30:30,095 INFO L168 Benchmark]: BuchiAutomizer took 41530.63 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 175.6 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -227.1 MB). Peak memory consumption was 404.6 MB. Max. memory is 11.5 GB. [2019-11-19 22:30:30,096 INFO L168 Benchmark]: Witness Printer took 65.56 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 11.5 GB. [2019-11-19 22:30:30,104 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 571.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -134.3 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.43 ms. Allocated memory is still 1.1 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 32.99 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 766.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.3 MB). Peak memory consumption was 52.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 41530.63 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 175.6 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -227.1 MB). Peak memory consumption was 404.6 MB. Max. memory is 11.5 GB. * Witness Printer took 65.56 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 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 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 5 locations. The remainder module has 105 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 41.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 41.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 39 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 105 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 126 SDtfs, 224 SDslu, 235 SDs, 0 SdLazy, 67 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 272]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=6279} State at position 1 is {NULL=6290, NULL=0, NULL=0, NULL=0, NULL=6301, NULL=6294, NULL=0, NULL=6279, retValue_acc=0, NULL=6287, NULL=0, NULL=0, NULL=6282, NULL=6289, NULL=6300, methaneLevelCritical=0, tmp=1, NULL=0, tmp___1=0, NULL=6297, cleanupTimeShifts=4, tmp=0, switchedOnBeforeTS=0, NULL=6283, \result=0, NULL=6288, NULL=6281, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, tmp___0=0, NULL=0, NULL=6284, NULL=0, NULL=0, NULL=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@311d7cb7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@61aebc37=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d647161=0, tmp___0=0, NULL=6304, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32208815=0, NULL=6293, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@35e54f91=0, NULL=0, tmp=1, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d3ff6cd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@be0ee8a=62, retValue_acc=1, NULL=6299, NULL=6298, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76da9c94=0, tmp___2=62, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=6286, head=0, NULL=6295, NULL=6285, NULL=6292, NULL=0, NULL=6291, NULL=6296, NULL=6302, NULL=6280, NULL=6303, retValue_acc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L131] int pumpRunning = 0; [L132] int systemActive = 1; [L336] int cleanupTimeShifts = 4; [L606] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L838] int switchedOnBeforeTS ; [L414] int retValue_acc ; [L415] int tmp ; [L829] int retValue_acc ; [L832] retValue_acc = 1 [L833] return (retValue_acc); [L421] tmp = valid_product() [L423] COND TRUE \read(tmp) [L843] switchedOnBeforeTS = 0 [L263] int splverifierCounter ; [L264] int tmp ; [L265] int tmp___0 ; [L266] int tmp___1 ; [L267] int tmp___2 ; [L270] splverifierCounter = 0 Loop: [L272] COND TRUE 1 [L274] COND TRUE splverifierCounter < 4 [L280] tmp = __VERIFIER_nondet_int() [L282] COND FALSE !(\read(tmp)) [L290] tmp___0 = __VERIFIER_nondet_int() [L292] COND FALSE !(\read(tmp___0)) [L300] tmp___2 = __VERIFIER_nondet_int() [L302] COND TRUE \read(tmp___2) [L216] int retValue_acc ; [L219] retValue_acc = pumpRunning [L220] return (retValue_acc); [L852] switchedOnBeforeTS = isPumpRunning() [L143] COND FALSE !(\read(pumpRunning)) [L150] COND TRUE \read(systemActive) [L858] int tmp ; [L859] int tmp___0 ; [L117] int retValue_acc ; [L120] retValue_acc = waterLevel [L121] return (retValue_acc); [L863] tmp = getWaterLevel() [L865] COND TRUE tmp != 2 [L216] int retValue_acc ; [L219] retValue_acc = pumpRunning [L220] return (retValue_acc); [L867] tmp___0 = isPumpRunning() [L869] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...