./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_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_spec2_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 5c8fccd9aead26260fe6c28d5df9729813f96355 ................................................................................................................................................................................................................................................................................................................................................................... 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 03:29:37,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:29:37,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:29:37,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:29:37,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:29:37,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:29:37,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:29:37,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:29:37,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:29:37,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:29:37,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:29:37,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:29:37,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:29:37,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:29:37,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:29:37,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:29:37,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:29:37,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:29:37,466 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:29:37,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:29:37,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:29:37,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:29:37,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:29:37,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:29:37,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:29:37,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:29:37,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:29:37,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:29:37,489 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:29:37,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:29:37,490 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:29:37,491 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:29:37,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:29:37,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:29:37,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:29:37,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:29:37,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:29:37,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:29:37,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:29:37,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:29:37,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:29:37,500 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:29:37,541 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:29:37,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:29:37,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:29:37,545 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:29:37,545 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:29:37,545 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:29:37,546 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:29:37,546 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:29:37,546 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:29:37,547 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:29:37,547 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:29:37,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:29:37,550 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:29:37,550 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:29:37,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:29:37,551 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:29:37,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:29:37,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:29:37,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:29:37,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:29:37,552 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:29:37,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:29:37,554 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:29:37,555 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:29:37,555 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:29:37,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:29:37,556 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:29:37,556 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:29:37,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:29:37,557 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:29:37,558 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:29:37,559 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:29:37,561 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 -> 5c8fccd9aead26260fe6c28d5df9729813f96355 [2019-11-28 03:29:37,908 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:29:37,921 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:29:37,924 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:29:37,926 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:29:37,927 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:29:37,928 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2019-11-28 03:29:37,991 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab8635227/cbbd61fede394387ad0fc34d7f8e98fc/FLAG709c83108 [2019-11-28 03:29:38,481 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:29:38,482 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2019-11-28 03:29:38,507 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab8635227/cbbd61fede394387ad0fc34d7f8e98fc/FLAG709c83108 [2019-11-28 03:29:38,741 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab8635227/cbbd61fede394387ad0fc34d7f8e98fc [2019-11-28 03:29:38,744 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:29:38,745 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:29:38,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:29:38,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:29:38,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:29:38,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:29:38" (1/1) ... [2019-11-28 03:29:38,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@425c0801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:29:38, skipping insertion in model container [2019-11-28 03:29:38,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:29:38" (1/1) ... [2019-11-28 03:29:38,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:29:38,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:29:39,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:29:39,342 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:29:39,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:29:39,480 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:29:39,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:29:39 WrapperNode [2019-11-28 03:29:39,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:29:39,482 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:29:39,482 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:29:39,482 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:29:39,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:29:39" (1/1) ... [2019-11-28 03:29:39,508 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:29:39" (1/1) ... [2019-11-28 03:29:39,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:29:39,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:29:39,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:29:39,556 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:29:39,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:29:39" (1/1) ... [2019-11-28 03:29:39,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:29:39" (1/1) ... [2019-11-28 03:29:39,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:29:39" (1/1) ... [2019-11-28 03:29:39,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:29:39" (1/1) ... [2019-11-28 03:29:39,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:29:39" (1/1) ... [2019-11-28 03:29:39,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:29:39" (1/1) ... [2019-11-28 03:29:39,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:29:39" (1/1) ... [2019-11-28 03:29:39,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:29:39,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:29:39,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:29:39,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:29:39,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:29:39" (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 03:29:39,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:29:39,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 03:29:39,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:29:39,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:29:40,433 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:29:40,434 INFO L297 CfgBuilder]: Removed 98 assume(true) statements. [2019-11-28 03:29:40,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:29:40 BoogieIcfgContainer [2019-11-28 03:29:40,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:29:40,436 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:29:40,436 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:29:40,440 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:29:40,441 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:29:40,442 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:29:38" (1/3) ... [2019-11-28 03:29:40,443 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e8443bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:29:40, skipping insertion in model container [2019-11-28 03:29:40,443 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:29:40,443 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:29:39" (2/3) ... [2019-11-28 03:29:40,444 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e8443bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:29:40, skipping insertion in model container [2019-11-28 03:29:40,444 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:29:40,444 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:29:40" (3/3) ... [2019-11-28 03:29:40,446 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product25.cil.c [2019-11-28 03:29:40,494 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:29:40,494 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:29:40,494 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:29:40,495 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:29:40,495 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:29:40,495 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:29:40,495 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:29:40,496 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:29:40,514 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 76 states. [2019-11-28 03:29:40,543 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-28 03:29:40,544 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:29:40,544 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:29:40,552 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:29:40,552 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:29:40,553 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:29:40,553 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 76 states. [2019-11-28 03:29:40,559 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-28 03:29:40,559 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:29:40,559 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:29:40,560 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:29:40,560 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:29:40,566 INFO L794 eck$LassoCheckResult]: Stem: 33#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(77, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(101, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(116, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(104, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string31.base, #t~string31.offset, 1);call write~init~int(82, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(73, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(84, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 4 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(75, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 11#L-1true havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 6#L168true havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 25#L176true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 42#L132true assume 0 != main_~tmp~0; 26#L103true ~methAndRunningLastTime~0 := 0; 73#L529true havoc test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 76#L540-1true [2019-11-28 03:29:40,567 INFO L796 eck$LassoCheckResult]: Loop: 76#L540-1true assume !false; 70#L192true assume test_~splverifierCounter~0 < 4; 16#L193true test_~tmp~1 := test_#t~nondet2;havoc test_#t~nondet2; 10#L201true assume !(0 != test_~tmp~1); 7#L201-1true test_~tmp___0~0 := test_#t~nondet3;havoc test_#t~nondet3; 65#L211true assume !(0 != test_~tmp___0~0); 62#L211-1true test_~tmp___2~0 := test_#t~nondet4;havoc test_#t~nondet4; 45#L221true assume 0 != test_~tmp___2~0; 35#L227-2true assume !(0 != ~pumpRunning~0); 44#L261true assume !(0 != ~systemActive~0); 49#L268true havoc __utac_acc__Specification2_spec__2_#t~ret36, __utac_acc__Specification2_spec__2_#t~ret37, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 12#L468true __utac_acc__Specification2_spec__2_#t~ret36 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret36;havoc __utac_acc__Specification2_spec__2_#t~ret36; 71#L540true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 76#L540-1true [2019-11-28 03:29:40,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:29:40,575 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-11-28 03:29:40,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:29:40,585 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172125806] [2019-11-28 03:29:40,585 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:29:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:29:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:29:40,957 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:29:40,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:29:40,959 INFO L82 PathProgramCache]: Analyzing trace with hash 2599242, now seen corresponding path program 1 times [2019-11-28 03:29:40,960 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:29:40,960 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830408526] [2019-11-28 03:29:40,960 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:29:40,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:29:40,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:29:40,977 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:29:40,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:29:40,980 INFO L82 PathProgramCache]: Analyzing trace with hash 835895748, now seen corresponding path program 1 times [2019-11-28 03:29:40,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:29:40,980 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460101674] [2019-11-28 03:29:40,981 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:29:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:29:41,164 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 03:29:41,164 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460101674] [2019-11-28 03:29:41,168 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:29:41,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 03:29:41,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950987760] [2019-11-28 03:29:41,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:29:41,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 03:29:41,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 03:29:41,335 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 6 states. [2019-11-28 03:29:41,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:29:41,518 INFO L93 Difference]: Finished difference Result 76 states and 104 transitions. [2019-11-28 03:29:41,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 03:29:41,521 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 76 states and 104 transitions. [2019-11-28 03:29:41,528 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-11-28 03:29:41,538 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 76 states to 69 states and 97 transitions. [2019-11-28 03:29:41,542 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 69 [2019-11-28 03:29:41,543 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 69 [2019-11-28 03:29:41,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69 states and 97 transitions. [2019-11-28 03:29:41,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:29:41,545 INFO L688 BuchiCegarLoop]: Abstraction has 69 states and 97 transitions. [2019-11-28 03:29:41,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states and 97 transitions. [2019-11-28 03:29:41,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2019-11-28 03:29:41,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2019-11-28 03:29:41,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 97 transitions. [2019-11-28 03:29:41,581 INFO L711 BuchiCegarLoop]: Abstraction has 69 states and 97 transitions. [2019-11-28 03:29:41,581 INFO L591 BuchiCegarLoop]: Abstraction has 69 states and 97 transitions. [2019-11-28 03:29:41,581 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:29:41,582 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69 states and 97 transitions. [2019-11-28 03:29:41,587 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-11-28 03:29:41,588 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:29:41,588 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:29:41,589 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:29:41,591 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:29:41,592 INFO L794 eck$LassoCheckResult]: Stem: 219#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(77, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(101, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(116, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(104, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string31.base, #t~string31.offset, 1);call write~init~int(82, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(73, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(84, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 4 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(75, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 188#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 176#L168 havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 177#L176 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 207#L132 assume 0 != main_~tmp~0; 210#L103 ~methAndRunningLastTime~0 := 0; 211#L529 havoc test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 181#L540-1 [2019-11-28 03:29:41,592 INFO L796 eck$LassoCheckResult]: Loop: 181#L540-1 assume !false; 238#L192 assume test_~splverifierCounter~0 < 4; 197#L193 test_~tmp~1 := test_#t~nondet2;havoc test_#t~nondet2; 184#L201 assume !(0 != test_~tmp~1); 178#L201-1 test_~tmp___0~0 := test_#t~nondet3;havoc test_#t~nondet3; 179#L211 assume !(0 != test_~tmp___0~0); 228#L211-1 test_~tmp___2~0 := test_#t~nondet4;havoc test_#t~nondet4; 226#L221 assume 0 != test_~tmp___2~0; 220#L227-2 assume !(0 != ~pumpRunning~0); 203#L261 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret6, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 204#L293 assume !(0 != ~pumpRunning~0); 206#L268 havoc __utac_acc__Specification2_spec__2_#t~ret36, __utac_acc__Specification2_spec__2_#t~ret37, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 186#L468 __utac_acc__Specification2_spec__2_#t~ret36 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret36;havoc __utac_acc__Specification2_spec__2_#t~ret36; 187#L540 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 181#L540-1 [2019-11-28 03:29:41,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:29:41,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-11-28 03:29:41,593 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:29:41,593 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443687782] [2019-11-28 03:29:41,594 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:29:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:29:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:29:41,722 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:29:41,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:29:41,723 INFO L82 PathProgramCache]: Analyzing trace with hash 53583393, now seen corresponding path program 1 times [2019-11-28 03:29:41,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:29:41,725 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738359564] [2019-11-28 03:29:41,725 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:29:41,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:29:41,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:29:41,757 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:29:41,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:29:41,758 INFO L82 PathProgramCache]: Analyzing trace with hash 115971303, now seen corresponding path program 1 times [2019-11-28 03:29:41,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:29:41,759 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695740959] [2019-11-28 03:29:41,759 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:29:41,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:29:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:29:41,892 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:30:06,859 WARN L192 SmtUtils]: Spent 24.88 s on a formula simplification. DAG size of input: 456 DAG size of output: 404 [2019-11-28 03:30:20,427 WARN L192 SmtUtils]: Spent 13.55 s on a formula simplification that was a NOOP. DAG size: 402 [2019-11-28 03:30:20,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:30:20 BoogieIcfgContainer [2019-11-28 03:30:20,523 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:30:20,524 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:30:20,524 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:30:20,524 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:30:20,525 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:29:40" (3/4) ... [2019-11-28 03:30:20,528 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 03:30:20,588 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 03:30:20,588 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:30:20,590 INFO L168 Benchmark]: Toolchain (without parser) took 41844.32 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 235.4 MB). Free memory was 959.0 MB in the beginning and 833.7 MB in the end (delta: 125.3 MB). Peak memory consumption was 360.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:30:20,591 INFO L168 Benchmark]: CDTParser took 0.18 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 03:30:20,592 INFO L168 Benchmark]: CACSL2BoogieTranslator took 734.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 69.2 MB). Free memory was 953.7 MB in the beginning and 1.0 GB in the end (delta: -82.2 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2019-11-28 03:30:20,592 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2019-11-28 03:30:20,593 INFO L168 Benchmark]: Boogie Preprocessor took 39.82 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:30:20,594 INFO L168 Benchmark]: RCFGBuilder took 839.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 979.4 MB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. [2019-11-28 03:30:20,595 INFO L168 Benchmark]: BuchiAutomizer took 40087.00 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 166.2 MB). Free memory was 979.4 MB in the beginning and 836.9 MB in the end (delta: 142.5 MB). Peak memory consumption was 373.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:30:20,596 INFO L168 Benchmark]: Witness Printer took 64.53 ms. Allocated memory is still 1.3 GB. Free memory was 836.9 MB in the beginning and 833.7 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2019-11-28 03:30:20,600 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 734.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 69.2 MB). Free memory was 953.7 MB in the beginning and 1.0 GB in the end (delta: -82.2 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 73.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.82 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 839.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 979.4 MB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 40087.00 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 166.2 MB). Free memory was 979.4 MB in the beginning and 836.9 MB in the end (delta: 142.5 MB). Peak memory consumption was 373.7 MB. Max. memory is 11.5 GB. * Witness Printer took 64.53 ms. Allocated memory is still 1.3 GB. Free memory was 836.9 MB in the beginning and 833.7 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 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 69 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 39.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 39.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 69 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 99 SDtfs, 304 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 191]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=8594} State at position 1 is {NULL=0, NULL=9171, retValue_acc=0, NULL=8594, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25527883=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@58fd8597=60, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a4e2ead=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2255bf4d=0, NULL=0, NULL=9156, methaneLevelCritical=0, NULL=0, NULL=0, NULL=0, NULL=9173, NULL=0, NULL=9176, NULL=0, tmp___1=0, NULL=9154, NULL=9160, cleanupTimeShifts=4, tmp=0, NULL=9169, NULL=9172, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=9161, NULL=0, NULL=9174, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5736c6a3=0, retValue_acc=0, NULL=0, NULL=9177, NULL=0, tmp___0=0, NULL=9168, NULL=0, NULL=0, NULL=0, \result=1, NULL=9155, head=0, pumpRunning=0, tmp=1, NULL=9175, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e2aa691=0, NULL=9166, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=9167, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5fec7bfb=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@47689058=0, NULL=9164, NULL=9165, NULL=9159, retValue_acc=1, tmp___2=60, tmp___0=0, splverifierCounter=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=9178, NULL=9163, tmp=0, head=0, NULL=9158, NULL=0, NULL=9162, NULL=0, NULL=9157, NULL=0, NULL=0, tmp=0, NULL=9170} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L40] int cleanupTimeShifts = 4; [L253] int pumpRunning = 0; [L254] int systemActive = 1; [L425] int waterLevel = 1; [L426] int methaneLevelCritical = 0; [L523] int methAndRunningLastTime ; [L731] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L123] int retValue_acc ; [L124] int tmp ; [L172] int retValue_acc ; [L175] retValue_acc = 1 [L176] return (retValue_acc); [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L528] methAndRunningLastTime = 0 [L182] int splverifierCounter ; [L183] int tmp ; [L184] int tmp___0 ; [L185] int tmp___1 ; [L186] int tmp___2 ; [L189] splverifierCounter = 0 Loop: [L191] COND TRUE 1 [L193] COND TRUE splverifierCounter < 4 [L199] tmp = __VERIFIER_nondet_int() [L201] COND FALSE !(\read(tmp)) [L209] tmp___0 = __VERIFIER_nondet_int() [L211] COND FALSE !(\read(tmp___0)) [L219] tmp___2 = __VERIFIER_nondet_int() [L221] COND TRUE \read(tmp___2) [L261] COND FALSE !(\read(pumpRunning)) [L268] COND TRUE \read(systemActive) [L290] int tmp ; [L293] COND FALSE !(\read(pumpRunning)) [L533] int tmp ; [L534] int tmp___0 ; [L464] int retValue_acc ; [L467] retValue_acc = methaneLevelCritical [L468] return (retValue_acc); [L538] tmp = isMethaneLevelCritical() [L540] COND FALSE !(\read(tmp)) [L556] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...