./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product28.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_spec3_product28.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 bccdbc1fe3b58d50f3d739d9520ef3bab8ad5778 ......................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:33:31,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:33:31,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:33:31,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:33:31,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:33:31,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:33:31,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:33:31,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:33:31,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:33:31,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:33:31,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:33:31,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:33:31,578 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:33:31,579 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:33:31,580 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:33:31,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:33:31,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:33:31,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:33:31,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:33:31,588 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:33:31,590 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:33:31,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:33:31,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:33:31,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:33:31,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:33:31,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:33:31,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:33:31,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:33:31,605 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:33:31,606 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:33:31,607 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:33:31,609 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:33:31,609 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:33:31,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:33:31,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:33:31,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:33:31,613 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:33:31,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:33:31,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:33:31,615 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:33:31,616 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:33:31,616 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:33:31,633 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:33:31,634 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:33:31,635 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:33:31,636 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:33:31,636 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:33:31,636 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:33:31,636 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:33:31,637 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:33:31,637 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:33:31,637 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:33:31,638 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:33:31,638 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:33:31,638 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:33:31,639 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:33:31,639 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:33:31,639 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:33:31,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:33:31,640 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:33:31,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:33:31,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:33:31,641 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:33:31,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:33:31,641 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:33:31,642 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:33:31,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:33:31,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:33:31,643 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:33:31,643 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:33:31,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:33:31,643 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:33:31,644 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:33:31,645 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:33:31,645 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 -> bccdbc1fe3b58d50f3d739d9520ef3bab8ad5778 [2019-11-28 03:33:31,939 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:33:31,952 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:33:31,955 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:33:31,957 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:33:31,958 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:33:31,959 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c [2019-11-28 03:33:32,036 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/857310438/adfd2304d6d0489b80f5df27fd061a03/FLAG3c12af41b [2019-11-28 03:33:32,583 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:33:32,583 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c [2019-11-28 03:33:32,594 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/857310438/adfd2304d6d0489b80f5df27fd061a03/FLAG3c12af41b [2019-11-28 03:33:32,894 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/857310438/adfd2304d6d0489b80f5df27fd061a03 [2019-11-28 03:33:32,898 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:33:32,900 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:33:32,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:33:32,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:33:32,904 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:33:32,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:33:32" (1/1) ... [2019-11-28 03:33:32,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@726ded5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:33:32, skipping insertion in model container [2019-11-28 03:33:32,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:33:32" (1/1) ... [2019-11-28 03:33:32,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:33:32,976 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:33:33,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:33:33,460 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:33:33,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:33:33,564 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:33:33,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:33:33 WrapperNode [2019-11-28 03:33:33,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:33:33,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:33:33,566 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:33:33,566 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:33:33,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:33:33" (1/1) ... [2019-11-28 03:33:33,594 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:33:33" (1/1) ... [2019-11-28 03:33:33,638 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:33:33,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:33:33,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:33:33,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:33:33,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:33:33" (1/1) ... [2019-11-28 03:33:33,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:33:33" (1/1) ... [2019-11-28 03:33:33,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:33:33" (1/1) ... [2019-11-28 03:33:33,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:33:33" (1/1) ... [2019-11-28 03:33:33,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:33:33" (1/1) ... [2019-11-28 03:33:33,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:33:33" (1/1) ... [2019-11-28 03:33:33,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:33:33" (1/1) ... [2019-11-28 03:33:33,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:33:33,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:33:33,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:33:33,683 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:33:33,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:33:33" (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 03:33:33,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:33:33,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 03:33:33,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:33:33,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:33:34,525 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:33:34,525 INFO L297 CfgBuilder]: Removed 108 assume(true) statements. [2019-11-28 03:33:34,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:33:34 BoogieIcfgContainer [2019-11-28 03:33:34,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:33:34,527 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:33:34,528 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:33:34,531 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:33:34,532 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:33:34,532 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:33:32" (1/3) ... [2019-11-28 03:33:34,533 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a0a2849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:33:34, skipping insertion in model container [2019-11-28 03:33:34,533 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:33:34,534 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:33:33" (2/3) ... [2019-11-28 03:33:34,534 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a0a2849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:33:34, skipping insertion in model container [2019-11-28 03:33:34,534 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:33:34,534 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:33:34" (3/3) ... [2019-11-28 03:33:34,536 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product28.cil.c [2019-11-28 03:33:34,578 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:33:34,579 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:33:34,579 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:33:34,579 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:33:34,580 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:33:34,580 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:33:34,580 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:33:34,580 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:33:34,598 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 80 states. [2019-11-28 03:33:34,625 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2019-11-28 03:33:34,626 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:33:34,626 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:33:34,633 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:33:34,633 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:33:34,634 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:33:34,634 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 80 states. [2019-11-28 03:33:34,640 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2019-11-28 03:33:34,640 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:33:34,641 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:33:34,641 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:33:34,642 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:33:34,646 INFO L794 eck$LassoCheckResult]: Stem: 34#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);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(110, #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(4);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 3 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(80, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(117, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(109, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(112, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(32, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string19.base, #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 1 + #t~string19.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(13);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.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(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 17#L-1true havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; 20#L65true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 15#L73true main_#t~ret35 := valid_product_#res;main_~tmp~4 := main_#t~ret35;havoc main_#t~ret35; 39#L527true assume 0 != main_~tmp~4; 5#L504true havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 52#L565-1true [2019-11-28 03:33:34,647 INFO L796 eck$LassoCheckResult]: Loop: 52#L565-1true assume !false; 31#L297true assume test_~splverifierCounter~0 < 4; 76#L298true test_~tmp~3 := test_#t~nondet21;havoc test_#t~nondet21; 78#L306true assume !(0 != test_~tmp~3); 80#L306-1true test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; 58#L316true assume !(0 != test_~tmp___0~1); 60#L316-1true test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 37#L326true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 44#L334-1true assume !(0 != ~pumpRunning~0); 79#L97true assume !(0 != ~systemActive~0); 50#L104true havoc __utac_acc__Specification3_spec__1_#t~ret36, __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_~tmp~5, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~5;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 40#L399true __utac_acc__Specification3_spec__1_#t~ret36 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~5 := __utac_acc__Specification3_spec__1_#t~ret36;havoc __utac_acc__Specification3_spec__1_#t~ret36; 24#L559true assume 0 != __utac_acc__Specification3_spec__1_~tmp~5; 52#L565-1true [2019-11-28 03:33:34,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:33:34,654 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-28 03:33:34,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:33:34,665 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5609277] [2019-11-28 03:33:34,665 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:33:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:33:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:33:35,042 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:33:35,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:33:35,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1672140737, now seen corresponding path program 1 times [2019-11-28 03:33:35,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:33:35,044 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258113620] [2019-11-28 03:33:35,044 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:33:35,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:33:35,099 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 03:33:35,100 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258113620] [2019-11-28 03:33:35,101 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:33:35,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 03:33:35,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655554752] [2019-11-28 03:33:35,107 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-28 03:33:35,110 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:33:35,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 03:33:35,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 03:33:35,128 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 3 states. [2019-11-28 03:33:35,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:33:35,242 INFO L93 Difference]: Finished difference Result 154 states and 216 transitions. [2019-11-28 03:33:35,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 03:33:35,246 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 154 states and 216 transitions. [2019-11-28 03:33:35,263 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 98 [2019-11-28 03:33:35,284 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 154 states to 140 states and 201 transitions. [2019-11-28 03:33:35,286 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 140 [2019-11-28 03:33:35,291 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 140 [2019-11-28 03:33:35,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 140 states and 201 transitions. [2019-11-28 03:33:35,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:33:35,297 INFO L688 BuchiCegarLoop]: Abstraction has 140 states and 201 transitions. [2019-11-28 03:33:35,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states and 201 transitions. [2019-11-28 03:33:35,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 138. [2019-11-28 03:33:35,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-11-28 03:33:35,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 198 transitions. [2019-11-28 03:33:35,356 INFO L711 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2019-11-28 03:33:35,357 INFO L591 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2019-11-28 03:33:35,357 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:33:35,357 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 198 transitions. [2019-11-28 03:33:35,361 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 96 [2019-11-28 03:33:35,362 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:33:35,362 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:33:35,363 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:33:35,363 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:33:35,363 INFO L794 eck$LassoCheckResult]: Stem: 287#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);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(110, #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(4);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 3 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(80, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(117, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(109, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(112, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(32, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string19.base, #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 1 + #t~string19.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(13);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.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(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 268#L-1 havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; 269#L65 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 264#L73 main_#t~ret35 := valid_product_#res;main_~tmp~4 := main_#t~ret35;havoc main_#t~ret35; 265#L527 assume 0 != main_~tmp~4; 247#L504 havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 248#L565-1 [2019-11-28 03:33:35,365 INFO L796 eck$LassoCheckResult]: Loop: 248#L565-1 assume !false; 341#L297 assume test_~splverifierCounter~0 < 4; 328#L298 test_~tmp~3 := test_#t~nondet21;havoc test_#t~nondet21; 329#L306 assume !(0 != test_~tmp~3); 301#L306-1 test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; 332#L316 assume !(0 != test_~tmp___0~1); 317#L316-1 test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 290#L326 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 291#L334-1 assume !(0 != ~pumpRunning~0); 286#L97 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 331#L129 assume !(0 != ~pumpRunning~0); 303#L104 havoc __utac_acc__Specification3_spec__1_#t~ret36, __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_~tmp~5, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~5;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 294#L399 __utac_acc__Specification3_spec__1_#t~ret36 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~5 := __utac_acc__Specification3_spec__1_#t~ret36;havoc __utac_acc__Specification3_spec__1_#t~ret36; 275#L559 assume 0 != __utac_acc__Specification3_spec__1_~tmp~5; 248#L565-1 [2019-11-28 03:33:35,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:33:35,365 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-28 03:33:35,366 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:33:35,366 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400701406] [2019-11-28 03:33:35,367 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:33:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:33:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:33:35,522 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:33:35,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:33:35,524 INFO L82 PathProgramCache]: Analyzing trace with hash -323747826, now seen corresponding path program 1 times [2019-11-28 03:33:35,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:33:35,525 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565122798] [2019-11-28 03:33:35,525 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:33:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:33:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:33:35,552 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:33:35,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:33:35,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1279291700, now seen corresponding path program 1 times [2019-11-28 03:33:35,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:33:35,554 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132699549] [2019-11-28 03:33:35,554 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:33:35,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:33:35,709 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 03:33:35,709 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132699549] [2019-11-28 03:33:35,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:33:35,710 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 03:33:35,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662590848] [2019-11-28 03:33:35,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:33:35,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 03:33:35,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 03:33:35,841 INFO L87 Difference]: Start difference. First operand 138 states and 198 transitions. cyclomatic complexity: 63 Second operand 5 states. [2019-11-28 03:33:36,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:33:36,036 INFO L93 Difference]: Finished difference Result 469 states and 686 transitions. [2019-11-28 03:33:36,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 03:33:36,037 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 469 states and 686 transitions. [2019-11-28 03:33:36,051 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 348 [2019-11-28 03:33:36,067 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 469 states to 469 states and 686 transitions. [2019-11-28 03:33:36,068 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 469 [2019-11-28 03:33:36,070 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 469 [2019-11-28 03:33:36,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 469 states and 686 transitions. [2019-11-28 03:33:36,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:33:36,077 INFO L688 BuchiCegarLoop]: Abstraction has 469 states and 686 transitions. [2019-11-28 03:33:36,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states and 686 transitions. [2019-11-28 03:33:36,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 270. [2019-11-28 03:33:36,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2019-11-28 03:33:36,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 382 transitions. [2019-11-28 03:33:36,121 INFO L711 BuchiCegarLoop]: Abstraction has 270 states and 382 transitions. [2019-11-28 03:33:36,121 INFO L591 BuchiCegarLoop]: Abstraction has 270 states and 382 transitions. [2019-11-28 03:33:36,122 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 03:33:36,122 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 270 states and 382 transitions. [2019-11-28 03:33:36,126 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 192 [2019-11-28 03:33:36,126 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:33:36,126 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:33:36,132 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:33:36,132 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:33:36,132 INFO L794 eck$LassoCheckResult]: Stem: 912#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);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(110, #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(4);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 3 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(80, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(117, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(109, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(112, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(32, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string19.base, #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 1 + #t~string19.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(13);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.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(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 892#L-1 havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; 893#L65 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 888#L73 main_#t~ret35 := valid_product_#res;main_~tmp~4 := main_#t~ret35;havoc main_#t~ret35; 889#L527 assume 0 != main_~tmp~4; 872#L504 havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 873#L565-1 [2019-11-28 03:33:36,133 INFO L796 eck$LassoCheckResult]: Loop: 873#L565-1 assume !false; 1018#L297 assume test_~splverifierCounter~0 < 4; 1019#L298 test_~tmp~3 := test_#t~nondet21;havoc test_#t~nondet21; 1073#L306 assume !(0 != test_~tmp~3); 1070#L306-1 test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; 1068#L316 assume !(0 != test_~tmp___0~1); 1066#L316-1 test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 1065#L326 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 1061#L334-1 assume !(0 != ~pumpRunning~0); 1059#L97 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 1057#L129 assume !(0 != ~pumpRunning~0); 1028#L104 havoc __utac_acc__Specification3_spec__1_#t~ret36, __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_~tmp~5, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~5;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 1027#L399 __utac_acc__Specification3_spec__1_#t~ret36 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~5 := __utac_acc__Specification3_spec__1_#t~ret36;havoc __utac_acc__Specification3_spec__1_#t~ret36; 1026#L559 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~5);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; 1025#L431 __utac_acc__Specification3_spec__1_#t~ret37 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret37;havoc __utac_acc__Specification3_spec__1_#t~ret37; 1022#L565 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2); 873#L565-1 [2019-11-28 03:33:36,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:33:36,133 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-11-28 03:33:36,133 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:33:36,134 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166885091] [2019-11-28 03:33:36,134 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:33:36,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:33:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:33:36,222 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:33:36,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:33:36,223 INFO L82 PathProgramCache]: Analyzing trace with hash -1884009248, now seen corresponding path program 1 times [2019-11-28 03:33:36,223 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:33:36,223 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650332097] [2019-11-28 03:33:36,224 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:33:36,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:33:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:33:36,236 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:33:36,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:33:36,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1038683270, now seen corresponding path program 1 times [2019-11-28 03:33:36,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:33:36,237 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017840345] [2019-11-28 03:33:36,238 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:33:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:33:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:33:36,312 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:34:04,996 WARN L192 SmtUtils]: Spent 28.52 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-28 03:34:18,935 WARN L192 SmtUtils]: Spent 13.94 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-28 03:34:19,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:34:19 BoogieIcfgContainer [2019-11-28 03:34:19,021 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:34:19,022 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:34:19,023 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:34:19,023 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:34:19,024 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:33:34" (3/4) ... [2019-11-28 03:34:19,027 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 03:34:19,087 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 03:34:19,087 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:34:19,089 INFO L168 Benchmark]: Toolchain (without parser) took 46189.23 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 299.9 MB). Free memory was 959.0 MB in the beginning and 1.2 GB in the end (delta: -259.0 MB). Peak memory consumption was 40.9 MB. Max. memory is 11.5 GB. [2019-11-28 03:34:19,089 INFO L168 Benchmark]: CDTParser took 0.29 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 03:34:19,090 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 959.0 MB in the beginning and 1.1 GB in the end (delta: -157.6 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-11-28 03:34:19,091 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:34:19,091 INFO L168 Benchmark]: Boogie Preprocessor took 43.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:34:19,092 INFO L168 Benchmark]: RCFGBuilder took 844.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.4 MB). Peak memory consumption was 57.4 MB. Max. memory is 11.5 GB. [2019-11-28 03:34:19,095 INFO L168 Benchmark]: BuchiAutomizer took 44493.81 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 165.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -174.3 MB). Peak memory consumption was 384.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:34:19,095 INFO L168 Benchmark]: Witness Printer took 64.46 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. [2019-11-28 03:34:19,102 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 664.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 959.0 MB in the beginning and 1.1 GB in the end (delta: -157.6 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 844.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.4 MB). Peak memory consumption was 57.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 44493.81 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 165.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -174.3 MB). Peak memory consumption was 384.7 MB. Max. memory is 11.5 GB. * Witness Printer took 64.46 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 270 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 44.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 43.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 201 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 270 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 258 SDtfs, 499 SDslu, 532 SDs, 0 SdLazy, 53 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 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: 296]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=4350} State at position 1 is {NULL=4360, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@fccd07e=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@cbe8958=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ac0339=0, NULL=4350, NULL=4368, NULL=4356, NULL=0, NULL=0, retValue_acc=0, NULL=4355, methaneLevelCritical=0, tmp=0, NULL=0, NULL=0, NULL=0, NULL=4352, NULL=0, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@82b808a=0, NULL=4364, cleanupTimeShifts=4, NULL=4359, tmp=0, NULL=4369, tmp___0=1, NULL=0, systemActive=1, waterLevel=1, NULL=4370, \result=1, NULL=0, NULL=0, NULL=4353, retValue_acc=0, NULL=4366, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38d92db3=0, NULL=4354, \result=0, tmp=1, NULL=0, NULL=4375, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f4e8411=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2329f7aa=60, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@231aecee=0, NULL=4372, NULL=4374, NULL=0, NULL=4357, retValue_acc=1, retValue_acc=1, tmp___2=60, NULL=4361, tmp___0=0, NULL=4358, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=0, NULL=4351, NULL=4371, tmp=0, NULL=4367, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7fc3ecc9=0, head=0, NULL=0, NULL=0, NULL=4362, NULL=4363, NULL=0, NULL=0, NULL=4373, NULL=4365} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L89] int pumpRunning = 0; [L90] int systemActive = 1; [L356] int waterLevel = 1; [L357] int methaneLevelCritical = 0; [L445] int cleanupTimeShifts = 4; [L753] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L518] int retValue_acc ; [L519] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L525] tmp = valid_product() [L527] COND TRUE \read(tmp) [L287] int splverifierCounter ; [L288] int tmp ; [L289] int tmp___0 ; [L290] int tmp___1 ; [L291] int tmp___2 ; [L294] splverifierCounter = 0 Loop: [L296] COND TRUE 1 [L298] COND TRUE splverifierCounter < 4 [L304] tmp = __VERIFIER_nondet_int() [L306] COND FALSE !(\read(tmp)) [L314] tmp___0 = __VERIFIER_nondet_int() [L316] COND FALSE !(\read(tmp___0)) [L324] tmp___2 = __VERIFIER_nondet_int() [L326] COND TRUE \read(tmp___2) [L278] systemActive = 1 [L97] COND FALSE !(\read(pumpRunning)) [L104] COND TRUE \read(systemActive) [L126] int tmp ; [L129] COND FALSE !(\read(pumpRunning)) [L551] int tmp ; [L552] int tmp___0 ; [L553] int tmp___1 ; [L395] int retValue_acc ; [L398] retValue_acc = methaneLevelCritical [L399] return (retValue_acc); [L557] tmp = isMethaneLevelCritical() [L559] COND FALSE !(\read(tmp)) [L427] int retValue_acc ; [L430] retValue_acc = waterLevel [L431] return (retValue_acc); [L563] tmp___0 = getWaterLevel() [L565] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...