./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f6fb2bb1 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_spec4_product49.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 712263c6c933aaef268a48b623f3b4ee6fd9ad4b ................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-f6fb2bb [2019-11-19 20:04:38,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 20:04:38,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 20:04:38,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 20:04:38,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 20:04:38,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 20:04:38,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 20:04:38,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 20:04:38,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 20:04:38,386 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 20:04:38,387 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 20:04:38,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 20:04:38,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 20:04:38,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 20:04:38,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 20:04:38,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 20:04:38,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 20:04:38,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 20:04:38,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 20:04:38,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 20:04:38,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 20:04:38,415 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 20:04:38,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 20:04:38,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 20:04:38,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 20:04:38,424 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 20:04:38,424 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 20:04:38,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 20:04:38,427 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 20:04:38,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 20:04:38,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 20:04:38,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 20:04:38,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 20:04:38,431 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 20:04:38,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 20:04:38,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 20:04:38,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 20:04:38,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 20:04:38,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 20:04:38,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 20:04:38,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 20:04:38,439 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-19 20:04:38,477 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 20:04:38,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 20:04:38,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 20:04:38,482 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 20:04:38,482 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 20:04:38,483 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 20:04:38,483 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 20:04:38,483 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 20:04:38,483 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 20:04:38,483 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 20:04:38,484 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 20:04:38,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 20:04:38,484 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 20:04:38,484 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 20:04:38,485 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 20:04:38,485 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 20:04:38,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 20:04:38,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 20:04:38,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 20:04:38,486 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 20:04:38,486 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 20:04:38,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 20:04:38,486 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 20:04:38,487 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 20:04:38,487 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 20:04:38,487 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 20:04:38,487 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 20:04:38,488 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 20:04:38,488 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 20:04:38,488 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 20:04:38,488 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 20:04:38,490 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 20:04:38,490 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 -> 712263c6c933aaef268a48b623f3b4ee6fd9ad4b [2019-11-19 20:04:38,859 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 20:04:38,876 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 20:04:38,881 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 20:04:38,883 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 20:04:38,883 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 20:04:38,884 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c [2019-11-19 20:04:38,971 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f21f42349/f3344ba90e3c47b385cd6cc0b5e8067e/FLAG7a1729731 [2019-11-19 20:04:39,500 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 20:04:39,501 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c [2019-11-19 20:04:39,514 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f21f42349/f3344ba90e3c47b385cd6cc0b5e8067e/FLAG7a1729731 [2019-11-19 20:04:39,797 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f21f42349/f3344ba90e3c47b385cd6cc0b5e8067e [2019-11-19 20:04:39,800 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 20:04:39,802 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 20:04:39,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 20:04:39,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 20:04:39,808 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 20:04:39,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:39" (1/1) ... [2019-11-19 20:04:39,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d7f812a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:39, skipping insertion in model container [2019-11-19 20:04:39,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:39" (1/1) ... [2019-11-19 20:04:39,820 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 20:04:39,893 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 20:04:40,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 20:04:40,348 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 20:04:40,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 20:04:40,499 INFO L192 MainTranslator]: Completed translation [2019-11-19 20:04:40,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:40 WrapperNode [2019-11-19 20:04:40,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 20:04:40,502 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 20:04:40,502 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 20:04:40,502 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 20:04:40,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:40" (1/1) ... [2019-11-19 20:04:40,528 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:40" (1/1) ... [2019-11-19 20:04:40,583 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 20:04:40,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 20:04:40,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 20:04:40,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 20:04:40,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:40" (1/1) ... [2019-11-19 20:04:40,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:40" (1/1) ... [2019-11-19 20:04:40,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:40" (1/1) ... [2019-11-19 20:04:40,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:40" (1/1) ... [2019-11-19 20:04:40,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:40" (1/1) ... [2019-11-19 20:04:40,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:40" (1/1) ... [2019-11-19 20:04:40,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:40" (1/1) ... [2019-11-19 20:04:40,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 20:04:40,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 20:04:40,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 20:04:40,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 20:04:40,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 20:04:40,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 20:04:40,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 20:04:40,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 20:04:40,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 20:04:41,600 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 20:04:41,601 INFO L285 CfgBuilder]: Removed 156 assume(true) statements. [2019-11-19 20:04:41,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:41 BoogieIcfgContainer [2019-11-19 20:04:41,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 20:04:41,603 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 20:04:41,603 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 20:04:41,607 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 20:04:41,608 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 20:04:41,608 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 08:04:39" (1/3) ... [2019-11-19 20:04:41,610 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@279a3bc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:04:41, skipping insertion in model container [2019-11-19 20:04:41,610 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 20:04:41,611 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:40" (2/3) ... [2019-11-19 20:04:41,611 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@279a3bc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:04:41, skipping insertion in model container [2019-11-19 20:04:41,611 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 20:04:41,612 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:41" (3/3) ... [2019-11-19 20:04:41,614 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product49.cil.c [2019-11-19 20:04:41,661 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 20:04:41,661 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 20:04:41,661 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 20:04:41,661 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 20:04:41,662 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 20:04:41,662 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 20:04:41,662 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 20:04:41,662 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 20:04:41,679 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states. [2019-11-19 20:04:41,708 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2019-11-19 20:04:41,709 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 20:04:41,709 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 20:04:41,718 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 20:04:41,718 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:04:41,719 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 20:04:41,719 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states. [2019-11-19 20:04:41,726 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2019-11-19 20:04:41,727 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 20:04:41,727 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 20:04:41,728 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 20:04:41,728 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:04:41,734 INFO L794 eck$LassoCheckResult]: Stem: 79#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(13);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);~head~0.base, ~head~0.offset := 0, 0;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); 3#L-1true havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; 99#L550true havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 104#L558true main_#t~ret10 := valid_product_#res;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 70#L248true assume 0 != main_~tmp~0; 38#L221true havoc test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 33#L571-1true [2019-11-19 20:04:41,735 INFO L796 eck$LassoCheckResult]: Loop: 33#L571-1true assume !false; 65#L474true assume test_~splverifierCounter~0 < 4; 10#L475true test_~tmp~5 := test_#t~nondet32;havoc test_#t~nondet32; 12#L483true assume !(0 != test_~tmp~5); 15#L483-1true test_~tmp___0~2 := test_#t~nondet33;havoc test_#t~nondet33; 66#L493true assume !(0 != test_~tmp___0~2); 67#L493-1true test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; 109#L503true assume 0 != test_~tmp___2~0; 85#L509-2true assume !(0 != ~pumpRunning~0); 56#L273true assume !(0 != ~systemActive~0); 114#L280true havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 89#L132true __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; 31#L571true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); 33#L571-1true [2019-11-19 20:04:41,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:04:41,742 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-19 20:04:41,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:04:41,752 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071391375] [2019-11-19 20:04:41,753 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:04:42,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:04:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:04:42,566 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:04:42,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:04:42,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1679775166, now seen corresponding path program 1 times [2019-11-19 20:04:42,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:04:42,569 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020434007] [2019-11-19 20:04:42,569 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:04:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:04:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:04:42,586 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:04:42,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:04:42,588 INFO L82 PathProgramCache]: Analyzing trace with hash 34503772, now seen corresponding path program 1 times [2019-11-19 20:04:42,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:04:42,589 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083563578] [2019-11-19 20:04:42,589 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:04:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:04:42,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:04:42,729 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083563578] [2019-11-19 20:04:42,730 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:04:42,730 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 20:04:42,731 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352303617] [2019-11-19 20:04:42,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:04:42,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 20:04:42,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-19 20:04:42,845 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 6 states. [2019-11-19 20:04:43,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:04:43,037 INFO L93 Difference]: Finished difference Result 114 states and 163 transitions. [2019-11-19 20:04:43,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 20:04:43,040 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 114 states and 163 transitions. [2019-11-19 20:04:43,046 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2019-11-19 20:04:43,056 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 114 states to 107 states and 156 transitions. [2019-11-19 20:04:43,058 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 107 [2019-11-19 20:04:43,060 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 107 [2019-11-19 20:04:43,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 107 states and 156 transitions. [2019-11-19 20:04:43,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 20:04:43,063 INFO L688 BuchiCegarLoop]: Abstraction has 107 states and 156 transitions. [2019-11-19 20:04:43,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states and 156 transitions. [2019-11-19 20:04:43,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2019-11-19 20:04:43,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-11-19 20:04:43,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 156 transitions. [2019-11-19 20:04:43,101 INFO L711 BuchiCegarLoop]: Abstraction has 107 states and 156 transitions. [2019-11-19 20:04:43,101 INFO L591 BuchiCegarLoop]: Abstraction has 107 states and 156 transitions. [2019-11-19 20:04:43,101 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 20:04:43,101 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 107 states and 156 transitions. [2019-11-19 20:04:43,104 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2019-11-19 20:04:43,104 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 20:04:43,104 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 20:04:43,105 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 20:04:43,105 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:04:43,105 INFO L794 eck$LassoCheckResult]: Stem: 336#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(13);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);~head~0.base, ~head~0.offset := 0, 0;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); 246#L-1 havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; 247#L550 havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 351#L558 main_#t~ret10 := valid_product_#res;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 326#L248 assume 0 != main_~tmp~0; 301#L221 havoc test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 292#L571-1 [2019-11-19 20:04:43,106 INFO L796 eck$LassoCheckResult]: Loop: 292#L571-1 assume !false; 294#L474 assume test_~splverifierCounter~0 < 4; 260#L475 test_~tmp~5 := test_#t~nondet32;havoc test_#t~nondet32; 261#L483 assume !(0 != test_~tmp~5); 266#L483-1 test_~tmp___0~2 := test_#t~nondet33;havoc test_#t~nondet33; 269#L493 assume !(0 != test_~tmp___0~2); 259#L493-1 test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; 325#L503 assume 0 != test_~tmp___2~0; 338#L509-2 assume !(0 != ~pumpRunning~0); 319#L273 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 320#L331 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 322#L305-1 assume !(0 == ~pumpRunning~0); 305#L280 havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 342#L132 __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; 291#L571 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); 292#L571-1 [2019-11-19 20:04:43,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:04:43,106 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-19 20:04:43,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:04:43,107 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270885044] [2019-11-19 20:04:43,107 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:04:43,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:04:43,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:04:43,391 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:04:43,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:04:43,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1996917024, now seen corresponding path program 1 times [2019-11-19 20:04:43,392 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:04:43,393 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798610138] [2019-11-19 20:04:43,393 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:04:43,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:04:43,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:04:43,408 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798610138] [2019-11-19 20:04:43,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:04:43,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 20:04:43,409 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117608154] [2019-11-19 20:04:43,410 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-19 20:04:43,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:04:43,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 20:04:43,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 20:04:43,411 INFO L87 Difference]: Start difference. First operand 107 states and 156 transitions. cyclomatic complexity: 51 Second operand 3 states. [2019-11-19 20:04:43,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:04:43,518 INFO L93 Difference]: Finished difference Result 148 states and 204 transitions. [2019-11-19 20:04:43,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 20:04:43,519 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 148 states and 204 transitions. [2019-11-19 20:04:43,522 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2019-11-19 20:04:43,524 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 148 states to 148 states and 204 transitions. [2019-11-19 20:04:43,524 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 148 [2019-11-19 20:04:43,525 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 148 [2019-11-19 20:04:43,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 148 states and 204 transitions. [2019-11-19 20:04:43,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 20:04:43,527 INFO L688 BuchiCegarLoop]: Abstraction has 148 states and 204 transitions. [2019-11-19 20:04:43,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states and 204 transitions. [2019-11-19 20:04:43,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2019-11-19 20:04:43,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-11-19 20:04:43,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 204 transitions. [2019-11-19 20:04:43,548 INFO L711 BuchiCegarLoop]: Abstraction has 148 states and 204 transitions. [2019-11-19 20:04:43,549 INFO L591 BuchiCegarLoop]: Abstraction has 148 states and 204 transitions. [2019-11-19 20:04:43,549 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-19 20:04:43,549 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 148 states and 204 transitions. [2019-11-19 20:04:43,551 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2019-11-19 20:04:43,552 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 20:04:43,552 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 20:04:43,554 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 20:04:43,555 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:04:43,555 INFO L794 eck$LassoCheckResult]: Stem: 600#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(13);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);~head~0.base, ~head~0.offset := 0, 0;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); 507#L-1 havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; 508#L550 havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 619#L558 main_#t~ret10 := valid_product_#res;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 589#L248 assume 0 != main_~tmp~0; 562#L221 havoc test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 553#L571-1 [2019-11-19 20:04:43,555 INFO L796 eck$LassoCheckResult]: Loop: 553#L571-1 assume !false; 555#L474 assume test_~splverifierCounter~0 < 4; 521#L475 test_~tmp~5 := test_#t~nondet32;havoc test_#t~nondet32; 522#L483 assume !(0 != test_~tmp~5); 527#L483-1 test_~tmp___0~2 := test_#t~nondet33;havoc test_#t~nondet33; 530#L493 assume !(0 != test_~tmp___0~2); 520#L493-1 test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; 588#L503 assume 0 != test_~tmp___2~0; 602#L509-2 assume !(0 != ~pumpRunning~0); 582#L273 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 583#L331 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 585#L305-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret30, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 614#L140-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 615#L145-1 isHighWaterLevel_#t~ret30 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret30;havoc isHighWaterLevel_#t~ret30; 558#L433-3 assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~0 := 0; 559#L433-5 isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; 537#L439-1 processEnvironment__wrappee__highWaterSensor_#t~ret11 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret11;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11; 538#L309-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1); 567#L280 havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 608#L132 __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; 552#L571 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); 553#L571-1 [2019-11-19 20:04:43,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:04:43,556 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-11-19 20:04:43,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:04:43,557 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740850016] [2019-11-19 20:04:43,557 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:04:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:04:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:04:43,894 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:04:43,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:04:43,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1058929100, now seen corresponding path program 1 times [2019-11-19 20:04:43,895 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:04:43,895 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214000684] [2019-11-19 20:04:43,895 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:04:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:04:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:04:43,909 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:04:43,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:04:43,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1515000294, now seen corresponding path program 1 times [2019-11-19 20:04:43,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:04:43,911 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244454785] [2019-11-19 20:04:43,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:04:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:04:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:04:44,217 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:04:44,367 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2019-11-19 20:05:12,096 WARN L191 SmtUtils]: Spent 27.65 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-11-19 20:05:25,644 WARN L191 SmtUtils]: Spent 13.54 s on a formula simplification that was a NOOP. DAG size: 449 [2019-11-19 20:05:25,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 08:05:25 BoogieIcfgContainer [2019-11-19 20:05:25,716 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 20:05:25,716 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 20:05:25,716 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 20:05:25,717 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 20:05:25,717 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:41" (3/4) ... [2019-11-19 20:05:25,721 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-19 20:05:25,806 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 20:05:25,806 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 20:05:25,809 INFO L168 Benchmark]: Toolchain (without parser) took 46006.85 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 246.9 MB). Free memory was 960.4 MB in the beginning and 896.5 MB in the end (delta: 63.9 MB). Peak memory consumption was 310.8 MB. Max. memory is 11.5 GB. [2019-11-19 20:05:25,810 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 20:05:25,810 INFO L168 Benchmark]: CACSL2BoogieTranslator took 698.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 69.7 MB). Free memory was 960.4 MB in the beginning and 1.0 GB in the end (delta: -89.5 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-19 20:05:25,811 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.06 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-19 20:05:25,811 INFO L168 Benchmark]: Boogie Preprocessor took 59.30 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. [2019-11-19 20:05:25,817 INFO L168 Benchmark]: RCFGBuilder took 959.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 974.2 MB in the end (delta: 68.7 MB). Peak memory consumption was 68.7 MB. Max. memory is 11.5 GB. [2019-11-19 20:05:25,818 INFO L168 Benchmark]: BuchiAutomizer took 44112.57 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 177.2 MB). Free memory was 974.2 MB in the beginning and 896.5 MB in the end (delta: 77.7 MB). Peak memory consumption was 403.0 MB. Max. memory is 11.5 GB. [2019-11-19 20:05:25,818 INFO L168 Benchmark]: Witness Printer took 90.47 ms. Allocated memory is still 1.3 GB. Free memory is still 896.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 20:05:25,821 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 698.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 69.7 MB). Free memory was 960.4 MB in the beginning and 1.0 GB in the end (delta: -89.5 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 81.06 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.30 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 959.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 974.2 MB in the end (delta: 68.7 MB). Peak memory consumption was 68.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 44112.57 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 177.2 MB). Free memory was 974.2 MB in the beginning and 896.5 MB in the end (delta: 77.7 MB). Peak memory consumption was 403.0 MB. Max. memory is 11.5 GB. * Witness Printer took 90.47 ms. Allocated memory is still 1.3 GB. Free memory is still 896.5 MB. There was no memory consumed. 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 6 locations. The remainder module has 148 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 44.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 43.5s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 148 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 316 SDtfs, 584 SDslu, 68 SDs, 0 SdLazy, 38 SolverSat, 24 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: 473]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=15486} State at position 1 is {NULL=13685, NULL=0, NULL=0, NULL=-2, NULL=15486, retValue_acc=0, NULL=15485, NULL=-18, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@63ff45f6=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@385e7e19=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11129463=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b21b58b=0, tmp___0=0, NULL=0, tmp=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4dc119b7=0, NULL=-15, NULL=0, retValue_acc=0, tmp___1=0, NULL=-4, NULL=13684, cleanupTimeShifts=4, tmp=0, NULL=-9, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4bb70fdc=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4946ad8f=52, NULL=-8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2af42d45=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=-16, \result=1, NULL=-10, \result=0, NULL=-12, NULL=0, NULL=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, tmp=1, NULL=-3, \result=0, NULL=-5, NULL=0, NULL=-7, retValue_acc=1, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1986f0ef=0, \result=1, NULL=-13, NULL=-14, NULL=0, tmp=1, tmp=1, NULL=-19, tmp___2=52, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=-17, NULL=-21, NULL=-11, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76ab61f5=0, head=0, NULL=-1, NULL=-20, NULL=8795, NULL=-6} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L160] int cleanupTimeShifts = 4; [L265] int pumpRunning = 0; [L266] int systemActive = 1; [L758] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L239] int retValue_acc ; [L240] int tmp ; [L554] int retValue_acc ; [L557] retValue_acc = 1 [L558] return (retValue_acc); [L246] tmp = valid_product() [L248] COND TRUE \read(tmp) [L464] int splverifierCounter ; [L465] int tmp ; [L466] int tmp___0 ; [L467] int tmp___1 ; [L468] int tmp___2 ; [L471] splverifierCounter = 0 Loop: [L473] COND TRUE 1 [L475] COND TRUE splverifierCounter < 4 [L481] tmp = __VERIFIER_nondet_int() [L483] COND FALSE !(\read(tmp)) [L491] tmp___0 = __VERIFIER_nondet_int() [L493] COND FALSE !(\read(tmp___0)) [L501] tmp___2 = __VERIFIER_nondet_int() [L503] COND TRUE \read(tmp___2) [L273] COND FALSE !(\read(pumpRunning)) [L280] COND TRUE \read(systemActive) [L328] int tmp ; [L331] COND FALSE !(\read(pumpRunning)) [L302] int tmp ; [L305] COND TRUE ! pumpRunning [L425] int retValue_acc ; [L426] int tmp ; [L427] int tmp___0 ; [L137] int retValue_acc ; [L140] COND TRUE waterLevel < 2 [L141] retValue_acc = 1 [L142] return (retValue_acc); [L431] tmp = isHighWaterSensorDry() [L433] COND TRUE \read(tmp) [L434] tmp___0 = 0 [L438] retValue_acc = tmp___0 [L439] return (retValue_acc); [L307] tmp = isHighWaterLevel() [L309] COND FALSE !(\read(tmp)) [L564] int tmp ; [L565] int tmp___0 ; [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L569] tmp = getWaterLevel() [L571] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...