./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab 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_spec1_product25.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 920725b4778fe7902e2cc2a93ab39c30358d9d16 ................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.24-30f4e4a [2019-11-28 03:25:46,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:25:46,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:25:46,569 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:25:46,570 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:25:46,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:25:46,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:25:46,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:25:46,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:25:46,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:25:46,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:25:46,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:25:46,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:25:46,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:25:46,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:25:46,584 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:25:46,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:25:46,586 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:25:46,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:25:46,590 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:25:46,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:25:46,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:25:46,597 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:25:46,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:25:46,604 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:25:46,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:25:46,604 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:25:46,608 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:25:46,610 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:25:46,611 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:25:46,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:25:46,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:25:46,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:25:46,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:25:46,620 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:25:46,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:25:46,621 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:25:46,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:25:46,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:25:46,625 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:25:46,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:25:46,627 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:25:46,658 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:25:46,658 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:25:46,661 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:25:46,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:25:46,661 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:25:46,661 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:25:46,661 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:25:46,662 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:25:46,662 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:25:46,662 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:25:46,663 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:25:46,664 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:25:46,664 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:25:46,664 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:25:46,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:25:46,665 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:25:46,665 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:25:46,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:25:46,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:25:46,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:25:46,666 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:25:46,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:25:46,666 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:25:46,666 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:25:46,666 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:25:46,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:25:46,667 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:25:46,667 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:25:46,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:25:46,668 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:25:46,668 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:25:46,670 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:25:46,671 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 -> 920725b4778fe7902e2cc2a93ab39c30358d9d16 [2019-11-28 03:25:47,009 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:25:47,022 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:25:47,025 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:25:47,027 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:25:47,027 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:25:47,028 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2019-11-28 03:25:47,088 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45fae5984/ee8726ad4a2f44fe8d74c19f169c421c/FLAG6fe326888 [2019-11-28 03:25:47,674 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:25:47,675 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2019-11-28 03:25:47,699 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45fae5984/ee8726ad4a2f44fe8d74c19f169c421c/FLAG6fe326888 [2019-11-28 03:25:47,931 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45fae5984/ee8726ad4a2f44fe8d74c19f169c421c [2019-11-28 03:25:47,934 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:25:47,936 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:25:47,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:25:47,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:25:47,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:25:47,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:25:47" (1/1) ... [2019-11-28 03:25:47,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42beb182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:47, skipping insertion in model container [2019-11-28 03:25:47,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:25:47" (1/1) ... [2019-11-28 03:25:47,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:25:48,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:25:48,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:25:48,468 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:25:48,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:25:48,599 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:25:48,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:48 WrapperNode [2019-11-28 03:25:48,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:25:48,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:25:48,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:25:48,601 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:25:48,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:48" (1/1) ... [2019-11-28 03:25:48,630 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:48" (1/1) ... [2019-11-28 03:25:48,673 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:25:48,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:25:48,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:25:48,674 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:25:48,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:48" (1/1) ... [2019-11-28 03:25:48,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:48" (1/1) ... [2019-11-28 03:25:48,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:48" (1/1) ... [2019-11-28 03:25:48,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:48" (1/1) ... [2019-11-28 03:25:48,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:48" (1/1) ... [2019-11-28 03:25:48,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:48" (1/1) ... [2019-11-28 03:25:48,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:48" (1/1) ... [2019-11-28 03:25:48,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:25:48,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:25:48,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:25:48,712 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:25:48,713 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:48" (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 [2019-11-28 03:25:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:25:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 03:25:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:25:48,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:25:49,520 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:25:49,521 INFO L297 CfgBuilder]: Removed 96 assume(true) statements. [2019-11-28 03:25:49,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:25:49 BoogieIcfgContainer [2019-11-28 03:25:49,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:25:49,523 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:25:49,523 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:25:49,527 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:25:49,528 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:25:49,528 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:25:47" (1/3) ... [2019-11-28 03:25:49,529 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b966b97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:25:49, skipping insertion in model container [2019-11-28 03:25:49,530 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:25:49,530 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:48" (2/3) ... [2019-11-28 03:25:49,530 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b966b97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:25:49, skipping insertion in model container [2019-11-28 03:25:49,531 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:25:49,531 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:25:49" (3/3) ... [2019-11-28 03:25:49,533 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product25.cil.c [2019-11-28 03:25:49,580 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:25:49,580 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:25:49,581 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:25:49,581 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:25:49,581 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:25:49,581 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:25:49,582 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:25:49,582 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:25:49,599 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2019-11-28 03:25:49,633 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-11-28 03:25:49,633 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:25:49,634 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:25:49,642 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:25:49,643 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:25:49,643 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:25:49,643 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2019-11-28 03:25:49,648 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-11-28 03:25:49,648 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:25:49,648 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:25:49,649 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:25:49,649 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:25:49,654 INFO L794 eck$LassoCheckResult]: Stem: 30#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;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);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(13);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string23.base, #t~string23.offset, 1);call write~init~int(80, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(117, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(109, #t~string23.base, 3 + #t~string23.offset, 1);call write~init~int(112, #t~string23.base, 4 + #t~string23.offset, 1);call write~init~int(58, #t~string23.base, 5 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 6 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 3 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string29.base, #t~string29.offset, 1);call write~init~int(32, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string31.base, #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 1 + #t~string31.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 9#L-1true havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~8, main_~tmp~5;havoc main_~retValue_acc~8;havoc main_~tmp~5; 32#L161true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 26#L169true main_#t~ret37 := valid_product_#res;main_~tmp~5 := main_#t~ret37;havoc main_#t~ret37; 7#L533true assume 0 != main_~tmp~5; 46#L510true havoc test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 51#L184-1true [2019-11-28 03:25:49,655 INFO L796 eck$LassoCheckResult]: Loop: 51#L184-1true assume !false; 60#L397true assume test_~splverifierCounter~0 < 4; 4#L398true test_~tmp~4 := test_#t~nondet33;havoc test_#t~nondet33; 23#L406true assume !(0 != test_~tmp~4); 25#L406-1true test_~tmp___0~2 := test_#t~nondet34;havoc test_#t~nondet34; 6#L416true assume !(0 != test_~tmp___0~2); 8#L416-1true test_~tmp___2~0 := test_#t~nondet35;havoc test_#t~nondet35; 64#L426true assume 0 != test_~tmp___2~0; 21#L432-2true assume !(0 != ~pumpRunning~0); 63#L222true assume !(0 != ~systemActive~0); 58#L229true havoc __utac_acc__Specification1_spec__1_#t~ret11, __utac_acc__Specification1_spec__1_#t~ret12, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 57#L90true __utac_acc__Specification1_spec__1_#t~ret11 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret11;havoc __utac_acc__Specification1_spec__1_#t~ret11; 54#L184true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 51#L184-1true [2019-11-28 03:25:49,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:25:49,662 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-28 03:25:49,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:25:49,673 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68089474] [2019-11-28 03:25:49,674 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:25:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:50,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:50,073 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:25:50,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:25:50,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1681683774, now seen corresponding path program 1 times [2019-11-28 03:25:50,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:25:50,076 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743745185] [2019-11-28 03:25:50,076 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:25:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:50,095 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:25:50,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:25:50,097 INFO L82 PathProgramCache]: Analyzing trace with hash 32595164, now seen corresponding path program 1 times [2019-11-28 03:25:50,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:25:50,098 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445476444] [2019-11-28 03:25:50,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:25:50,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:25:50,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:25:50,305 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445476444] [2019-11-28 03:25:50,306 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:25:50,307 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 03:25:50,307 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869605247] [2019-11-28 03:25:50,428 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:25:50,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 03:25:50,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 03:25:50,447 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 6 states. [2019-11-28 03:25:50,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:25:50,594 INFO L93 Difference]: Finished difference Result 72 states and 97 transitions. [2019-11-28 03:25:50,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 03:25:50,599 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 97 transitions. [2019-11-28 03:25:50,603 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-11-28 03:25:50,609 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 65 states and 90 transitions. [2019-11-28 03:25:50,610 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 65 [2019-11-28 03:25:50,611 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 65 [2019-11-28 03:25:50,611 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 90 transitions. [2019-11-28 03:25:50,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:25:50,612 INFO L688 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-11-28 03:25:50,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 90 transitions. [2019-11-28 03:25:50,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-11-28 03:25:50,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-11-28 03:25:50,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2019-11-28 03:25:50,648 INFO L711 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-11-28 03:25:50,648 INFO L591 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-11-28 03:25:50,648 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:25:50,648 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 90 transitions. [2019-11-28 03:25:50,650 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-11-28 03:25:50,651 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:25:50,651 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:25:50,651 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:25:50,652 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:25:50,652 INFO L794 eck$LassoCheckResult]: Stem: 203#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;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);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(13);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string23.base, #t~string23.offset, 1);call write~init~int(80, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(117, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(109, #t~string23.base, 3 + #t~string23.offset, 1);call write~init~int(112, #t~string23.base, 4 + #t~string23.offset, 1);call write~init~int(58, #t~string23.base, 5 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 6 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 3 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string29.base, #t~string29.offset, 1);call write~init~int(32, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string31.base, #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 1 + #t~string31.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 174#L-1 havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~8, main_~tmp~5;havoc main_~retValue_acc~8;havoc main_~tmp~5; 175#L161 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 200#L169 main_#t~ret37 := valid_product_#res;main_~tmp~5 := main_#t~ret37;havoc main_#t~ret37; 171#L533 assume 0 != main_~tmp~5; 172#L510 havoc test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 209#L184-1 [2019-11-28 03:25:50,652 INFO L796 eck$LassoCheckResult]: Loop: 209#L184-1 assume !false; 222#L397 assume test_~splverifierCounter~0 < 4; 164#L398 test_~tmp~4 := test_#t~nondet33;havoc test_#t~nondet33; 165#L406 assume !(0 != test_~tmp~4); 179#L406-1 test_~tmp___0~2 := test_#t~nondet34;havoc test_#t~nondet34; 168#L416 assume !(0 != test_~tmp___0~2); 169#L416-1 test_~tmp___2~0 := test_#t~nondet35;havoc test_#t~nondet35; 173#L426 assume 0 != test_~tmp___2~0; 195#L432-2 assume !(0 != ~pumpRunning~0); 196#L222 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret13, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 217#L254 assume !(0 != ~pumpRunning~0); 218#L229 havoc __utac_acc__Specification1_spec__1_#t~ret11, __utac_acc__Specification1_spec__1_#t~ret12, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 224#L90 __utac_acc__Specification1_spec__1_#t~ret11 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret11;havoc __utac_acc__Specification1_spec__1_#t~ret11; 223#L184 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 209#L184-1 [2019-11-28 03:25:50,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:25:50,653 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-28 03:25:50,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:25:50,654 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13059071] [2019-11-28 03:25:50,654 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:25:50,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:50,775 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:25:50,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:25:50,776 INFO L82 PathProgramCache]: Analyzing trace with hash -619582373, now seen corresponding path program 1 times [2019-11-28 03:25:50,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:25:50,777 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817073886] [2019-11-28 03:25:50,777 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:25:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:50,790 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:25:50,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:25:50,791 INFO L82 PathProgramCache]: Analyzing trace with hash 983457153, now seen corresponding path program 1 times [2019-11-28 03:25:50,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:25:50,792 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280430334] [2019-11-28 03:25:50,792 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:25:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:50,886 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:26:16,747 WARN L192 SmtUtils]: Spent 25.77 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-28 03:26:28,891 WARN L192 SmtUtils]: Spent 12.14 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-28 03:26:28,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:26:28 BoogieIcfgContainer [2019-11-28 03:26:28,977 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:26:28,978 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:26:28,978 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:26:28,978 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:26:28,979 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:25:49" (3/4) ... [2019-11-28 03:26:28,982 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 03:26:29,040 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 03:26:29,041 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:26:29,043 INFO L168 Benchmark]: Toolchain (without parser) took 41107.07 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 282.6 MB). Free memory was 960.4 MB in the beginning and 802.4 MB in the end (delta: 158.0 MB). Peak memory consumption was 440.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:26:29,044 INFO L168 Benchmark]: CDTParser took 0.19 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. [2019-11-28 03:26:29,045 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -134.4 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2019-11-28 03:26:29,046 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.04 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: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. [2019-11-28 03:26:29,047 INFO L168 Benchmark]: Boogie Preprocessor took 37.59 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. [2019-11-28 03:26:29,048 INFO L168 Benchmark]: RCFGBuilder took 810.84 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: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. [2019-11-28 03:26:29,049 INFO L168 Benchmark]: BuchiAutomizer took 39454.17 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 170.4 MB). Free memory was 1.0 GB in the beginning and 811.7 MB in the end (delta: 229.3 MB). Peak memory consumption was 407.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:26:29,050 INFO L168 Benchmark]: Witness Printer took 63.43 ms. Allocated memory is still 1.3 GB. Free memory was 811.7 MB in the beginning and 802.4 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:26:29,054 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 663.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -134.4 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 73.04 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: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.59 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 810.84 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: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 39454.17 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 170.4 MB). Free memory was 1.0 GB in the beginning and 811.7 MB in the end (delta: 229.3 MB). Peak memory consumption was 407.7 MB. Max. memory is 11.5 GB. * Witness Printer took 63.43 ms. Allocated memory is still 1.3 GB. Free memory was 811.7 MB in the beginning and 802.4 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 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 65 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 39.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 39.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 65 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 92 SDtfs, 283 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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: 396]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1974} State at position 1 is {NULL=0, retValue_acc=0, NULL=1997, NULL=1974, NULL=1989, NULL=0, NULL=0, retValue_acc=0, NULL=1976, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@176cf9f=0, NULL=0, tmp=0, NULL=0, NULL=0, NULL=0, NULL=1987, NULL=0, tmp___1=0, NULL=1978, NULL=1983, tmp___0=0, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@544511cd=0, NULL=1979, NULL=1992, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@479f68bf=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@448477e4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5309e040=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@eebf789=70, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a9cc8c4=0, NULL=1998, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28ab8d95=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=1980, NULL=1988, NULL=1995, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=1985, \result=0, NULL=1984, NULL=0, NULL=1975, NULL=0, tmp=1, NULL=0, tmp=0, retValue_acc=1, NULL=1996, NULL=1990, NULL=1981, tmp___2=70, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=0, NULL=1991, NULL=1993, NULL=1982, tmp=0, head=0, NULL=1999, NULL=1977, NULL=1986, NULL=0, NULL=1994} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L215] int pumpRunning = 0; [L216] int systemActive = 1; [L451] int cleanupTimeShifts = 4; [L716] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L524] int retValue_acc ; [L525] int tmp ; [L165] int retValue_acc ; [L168] retValue_acc = 1 [L169] return (retValue_acc); [L531] tmp = valid_product() [L533] COND TRUE \read(tmp) [L387] int splverifierCounter ; [L388] int tmp ; [L389] int tmp___0 ; [L390] int tmp___1 ; [L391] int tmp___2 ; [L394] splverifierCounter = 0 Loop: [L396] COND TRUE 1 [L398] COND TRUE splverifierCounter < 4 [L404] tmp = __VERIFIER_nondet_int() [L406] COND FALSE !(\read(tmp)) [L414] tmp___0 = __VERIFIER_nondet_int() [L416] COND FALSE !(\read(tmp___0)) [L424] tmp___2 = __VERIFIER_nondet_int() [L426] COND TRUE \read(tmp___2) [L222] COND FALSE !(\read(pumpRunning)) [L229] COND TRUE \read(systemActive) [L251] int tmp ; [L254] COND FALSE !(\read(pumpRunning)) [L177] int tmp ; [L178] int tmp___0 ; [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L182] tmp = isMethaneLevelCritical() [L184] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...