./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_70a44ad1-d443-46d8-b40c-0b62bb2bf979/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_70a44ad1-d443-46d8-b40c-0b62bb2bf979/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_70a44ad1-d443-46d8-b40c-0b62bb2bf979/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_70a44ad1-d443-46d8-b40c-0b62bb2bf979/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_70a44ad1-d443-46d8-b40c-0b62bb2bf979/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_70a44ad1-d443-46d8-b40c-0b62bb2bf979/bin/uautomizer --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 378658c69b6f2d1e1a968cdc968a143bcf4b9c50 ........................................................................................................................................................................................................................................................................................................................................................................... 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-cad4683 [2019-10-22 08:57:07,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:57:07,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:57:07,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:57:07,494 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:57:07,496 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:57:07,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:57:07,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:57:07,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:57:07,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:57:07,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:57:07,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:57:07,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:57:07,514 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:57:07,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:57:07,516 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:57:07,516 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:57:07,517 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:57:07,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:57:07,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:57:07,520 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:57:07,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:57:07,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:57:07,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:57:07,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:57:07,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:57:07,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:57:07,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:57:07,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:57:07,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:57:07,534 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:57:07,535 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:57:07,535 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:57:07,535 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:57:07,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:57:07,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:57:07,539 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:57:07,539 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:57:07,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:57:07,540 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:57:07,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:57:07,543 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_70a44ad1-d443-46d8-b40c-0b62bb2bf979/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 08:57:07,564 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:57:07,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:57:07,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:57:07,570 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:57:07,570 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:57:07,570 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:57:07,570 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:57:07,570 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:57:07,570 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:57:07,571 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:57:07,571 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:57:07,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:57:07,571 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:57:07,571 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:57:07,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:57:07,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:57:07,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:57:07,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:57:07,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:57:07,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:57:07,572 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:57:07,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:57:07,576 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:57:07,577 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:57:07,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:57:07,577 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:57:07,577 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:57:07,578 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:57:07,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:57:07,578 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:57:07,578 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:57:07,579 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:57:07,579 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_70a44ad1-d443-46d8-b40c-0b62bb2bf979/bin/uautomizer 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 -> 378658c69b6f2d1e1a968cdc968a143bcf4b9c50 [2019-10-22 08:57:07,614 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:57:07,625 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:57:07,628 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:57:07,631 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:57:07,631 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:57:07,632 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_70a44ad1-d443-46d8-b40c-0b62bb2bf979/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2019-10-22 08:57:07,686 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_70a44ad1-d443-46d8-b40c-0b62bb2bf979/bin/uautomizer/data/e8f6a8f1c/2556cd2ebf174479b925d85631ed47b9/FLAG059cf3898 [2019-10-22 08:57:08,105 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:57:08,107 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_70a44ad1-d443-46d8-b40c-0b62bb2bf979/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2019-10-22 08:57:08,122 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_70a44ad1-d443-46d8-b40c-0b62bb2bf979/bin/uautomizer/data/e8f6a8f1c/2556cd2ebf174479b925d85631ed47b9/FLAG059cf3898 [2019-10-22 08:57:08,137 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_70a44ad1-d443-46d8-b40c-0b62bb2bf979/bin/uautomizer/data/e8f6a8f1c/2556cd2ebf174479b925d85631ed47b9 [2019-10-22 08:57:08,141 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:57:08,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:57:08,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:08,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:57:08,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:57:08,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:08" (1/1) ... [2019-10-22 08:57:08,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2de3efe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:08, skipping insertion in model container [2019-10-22 08:57:08,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:08" (1/1) ... [2019-10-22 08:57:08,159 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:57:08,205 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:57:08,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:08,511 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:57:08,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:08,626 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:57:08,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:08 WrapperNode [2019-10-22 08:57:08,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:08,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:08,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:57:08,627 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:57:08,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:08" (1/1) ... [2019-10-22 08:57:08,651 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:08" (1/1) ... [2019-10-22 08:57:08,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:08,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:57:08,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:57:08,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:57:08,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:08" (1/1) ... [2019-10-22 08:57:08,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:08" (1/1) ... [2019-10-22 08:57:08,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:08" (1/1) ... [2019-10-22 08:57:08,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:08" (1/1) ... [2019-10-22 08:57:08,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:08" (1/1) ... [2019-10-22 08:57:08,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:08" (1/1) ... [2019-10-22 08:57:08,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:08" (1/1) ... [2019-10-22 08:57:08,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:57:08,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:57:08,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:57:08,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:57:08,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_70a44ad1-d443-46d8-b40c-0b62bb2bf979/bin/uautomizer/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 [2019-10-22 08:57:08,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:57:08,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:57:08,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:57:08,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:57:09,374 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:57:09,375 INFO L284 CfgBuilder]: Removed 96 assume(true) statements. [2019-10-22 08:57:09,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:09 BoogieIcfgContainer [2019-10-22 08:57:09,376 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:57:09,376 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:57:09,377 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:57:09,381 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:57:09,382 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:57:09,382 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:57:08" (1/3) ... [2019-10-22 08:57:09,383 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44592362 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:57:09, skipping insertion in model container [2019-10-22 08:57:09,383 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:57:09,384 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:08" (2/3) ... [2019-10-22 08:57:09,384 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44592362 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:57:09, skipping insertion in model container [2019-10-22 08:57:09,384 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:57:09,384 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:09" (3/3) ... [2019-10-22 08:57:09,386 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product17.cil.c [2019-10-22 08:57:09,435 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:57:09,436 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:57:09,436 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:57:09,437 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:57:09,438 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:57:09,438 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:57:09,438 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:57:09,438 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:57:09,454 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2019-10-22 08:57:09,479 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-10-22 08:57:09,480 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:57:09,480 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:57:09,488 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:57:09,489 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:09,489 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:57:09,489 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2019-10-22 08:57:09,492 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-10-22 08:57:09,492 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:57:09,493 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:57:09,493 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:57:09,493 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:09,499 INFO L791 eck$LassoCheckResult]: Stem: 35#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string17.base, #t~string17.offset, 1);call write~init~int(80, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(117, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(109, #t~string17.base, 3 + #t~string17.offset, 1);call write~init~int(112, #t~string17.base, 4 + #t~string17.offset, 1);call write~init~int(58, #t~string17.base, 5 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 6 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string23.base, #t~string23.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string25.base, #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 1 + #t~string25.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25); 17#L-1true havoc main_#res;havoc main_#t~ret2, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 21#L204true 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; 16#L212true main_#t~ret2 := valid_product_#res;main_~tmp~1 := main_#t~ret2;havoc main_#t~ret2; 68#L159true assume 0 != main_~tmp~1; 40#L132true havoc test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 11#L51-1true [2019-10-22 08:57:09,499 INFO L793 eck$LassoCheckResult]: Loop: 11#L51-1true assume !false; 59#L228true assume test_~splverifierCounter~0 < 4; 60#L229true test_~tmp~2 := test_#t~nondet4;havoc test_#t~nondet4; 26#L237true assume !(0 != test_~tmp~2); 22#L237-1true test_~tmp___0~1 := test_#t~nondet5;havoc test_#t~nondet5; 71#L247true assume !(0 != test_~tmp___0~1); 69#L247-1true test_~tmp___2~0 := test_#t~nondet6;havoc test_#t~nondet6; 55#L257true assume 0 != test_~tmp___2~0; 4#L263-2true assume !(0 != ~pumpRunning~0); 64#L295true assume !(0 != ~systemActive~0); 73#L302true havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 6#L515true __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; 14#L51true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 11#L51-1true [2019-10-22 08:57:09,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:09,505 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-10-22 08:57:09,513 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:09,513 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423371655] [2019-10-22 08:57:09,514 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:09,514 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:09,514 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:10,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:10,128 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:57:10,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:10,130 INFO L82 PathProgramCache]: Analyzing trace with hash -1681683774, now seen corresponding path program 1 times [2019-10-22 08:57:10,130 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:10,130 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702934362] [2019-10-22 08:57:10,130 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:10,130 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:10,131 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:10,147 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:57:10,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:10,152 INFO L82 PathProgramCache]: Analyzing trace with hash 32595164, now seen corresponding path program 1 times [2019-10-22 08:57:10,152 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:10,152 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909352980] [2019-10-22 08:57:10,152 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:10,153 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:10,153 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:10,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:10,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:10,262 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909352980] [2019-10-22 08:57:10,263 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:10,263 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:57:10,263 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305024045] [2019-10-22 08:57:10,355 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:10,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:57:10,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:57:10,372 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 6 states. [2019-10-22 08:57:10,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:10,494 INFO L93 Difference]: Finished difference Result 72 states and 97 transitions. [2019-10-22 08:57:10,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:57:10,503 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 97 transitions. [2019-10-22 08:57:10,514 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-10-22 08:57:10,519 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 65 states and 90 transitions. [2019-10-22 08:57:10,520 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 65 [2019-10-22 08:57:10,520 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 65 [2019-10-22 08:57:10,521 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 90 transitions. [2019-10-22 08:57:10,522 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:57:10,522 INFO L688 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-10-22 08:57:10,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 90 transitions. [2019-10-22 08:57:10,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-10-22 08:57:10,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-10-22 08:57:10,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2019-10-22 08:57:10,550 INFO L711 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-10-22 08:57:10,550 INFO L591 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-10-22 08:57:10,550 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:57:10,551 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 90 transitions. [2019-10-22 08:57:10,552 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-10-22 08:57:10,552 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:57:10,552 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:57:10,553 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:57:10,553 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:10,554 INFO L791 eck$LassoCheckResult]: Stem: 203#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string17.base, #t~string17.offset, 1);call write~init~int(80, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(117, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(109, #t~string17.base, 3 + #t~string17.offset, 1);call write~init~int(112, #t~string17.base, 4 + #t~string17.offset, 1);call write~init~int(58, #t~string17.base, 5 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 6 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string23.base, #t~string23.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string25.base, #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 1 + #t~string25.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25); 185#L-1 havoc main_#res;havoc main_#t~ret2, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 186#L204 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; 183#L212 main_#t~ret2 := valid_product_#res;main_~tmp~1 := main_#t~ret2;havoc main_#t~ret2; 184#L159 assume 0 != main_~tmp~1; 207#L132 havoc test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 179#L51-1 [2019-10-22 08:57:10,554 INFO L793 eck$LassoCheckResult]: Loop: 179#L51-1 assume !false; 180#L228 assume test_~splverifierCounter~0 < 4; 222#L229 test_~tmp~2 := test_#t~nondet4;havoc test_#t~nondet4; 196#L237 assume !(0 != test_~tmp~2); 191#L237-1 test_~tmp___0~1 := test_#t~nondet5;havoc test_#t~nondet5; 192#L247 assume !(0 != test_~tmp___0~1); 226#L247-1 test_~tmp___2~0 := test_#t~nondet6;havoc test_#t~nondet6; 216#L257 assume 0 != test_~tmp___2~0; 165#L263-2 assume !(0 != ~pumpRunning~0); 166#L295 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 217#L327 assume !(0 != ~pumpRunning~0); 218#L302 havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 168#L515 __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; 169#L51 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 179#L51-1 [2019-10-22 08:57:10,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:10,554 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-10-22 08:57:10,555 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:10,555 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118322373] [2019-10-22 08:57:10,555 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:10,555 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:10,555 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:10,795 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:57:10,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:10,796 INFO L82 PathProgramCache]: Analyzing trace with hash -619582373, now seen corresponding path program 1 times [2019-10-22 08:57:10,796 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:10,796 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898793951] [2019-10-22 08:57:10,796 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:10,796 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:10,797 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:10,809 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:57:10,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:10,810 INFO L82 PathProgramCache]: Analyzing trace with hash 983457153, now seen corresponding path program 1 times [2019-10-22 08:57:10,810 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:10,810 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616310233] [2019-10-22 08:57:10,810 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:10,810 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:10,810 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:10,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:11,058 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:57:33,549 WARN L191 SmtUtils]: Spent 22.43 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-10-22 08:57:44,296 WARN L191 SmtUtils]: Spent 10.75 s on a formula simplification that was a NOOP. DAG size: 449 [2019-10-22 08:57:44,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:57:44 BoogieIcfgContainer [2019-10-22 08:57:44,348 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:57:44,348 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:57:44,348 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:57:44,348 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:57:44,349 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:09" (3/4) ... [2019-10-22 08:57:44,352 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-10-22 08:57:44,393 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_70a44ad1-d443-46d8-b40c-0b62bb2bf979/bin/uautomizer/witness.graphml [2019-10-22 08:57:44,394 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:57:44,395 INFO L168 Benchmark]: Toolchain (without parser) took 36251.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 196.1 MB). Free memory was 951.2 MB in the beginning and 1.1 GB in the end (delta: -165.4 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:44,395 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:44,396 INFO L168 Benchmark]: CACSL2BoogieTranslator took 482.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -167.9 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:44,396 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:44,403 INFO L168 Benchmark]: Boogie Preprocessor took 41.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:44,404 INFO L168 Benchmark]: RCFGBuilder took 643.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:44,404 INFO L168 Benchmark]: BuchiAutomizer took 34971.31 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -67.2 MB). Peak memory consumption was 285.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:44,405 INFO L168 Benchmark]: Witness Printer took 45.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:44,406 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 482.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -167.9 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 643.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 34971.31 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -67.2 MB). Peak memory consumption was 285.1 MB. Max. memory is 11.5 GB. * Witness Printer took 45.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 65 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 34.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 34.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 65 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 92 SDtfs, 283 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 227]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=11477} State at position 1 is {NULL=-18, NULL=0, NULL=0, NULL=-10, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@59610574=0, NULL=11477, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5fc556c1=60, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c27818c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a4c3ec0=0, NULL=0, NULL=-13, NULL=-11, NULL=-14, methaneLevelCritical=0, tmp=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=-22, NULL=0, tmp___1=0, NULL=-4, tmp___0=0, NULL=-6, NULL=11476, cleanupTimeShifts=4, NULL=-16, NULL=-7, NULL=6277, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=-3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b5d03ad=0, \result=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@611ed488=0, NULL=-20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77679ba3=0, NULL=-2, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=-21, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@35b03859=0, NULL=-5, NULL=0, NULL=0, NULL=-12, tmp=1, NULL=0, NULL=0, NULL=0, NULL=-17, tmp=1, retValue_acc=1, retValue_acc=1, tmp___2=60, NULL=-1, tmp___0=0, splverifierCounter=0, NULL=0, NULL=-8, tmp=0, head=0, NULL=0, NULL=-9, NULL=-19, NULL=0, NULL=0, NULL=-23, NULL=-15} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L69] int cleanupTimeShifts = 4; [L288] int pumpRunning = 0; [L289] int systemActive = 1; [L440] int waterLevel = 1; [L441] int methaneLevelCritical = 0; [L698] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L150] int retValue_acc ; [L151] int tmp ; [L208] int retValue_acc ; [L211] retValue_acc = 1 [L212] return (retValue_acc); [L157] tmp = valid_product() [L159] COND TRUE \read(tmp) [L218] int splverifierCounter ; [L219] int tmp ; [L220] int tmp___0 ; [L221] int tmp___1 ; [L222] int tmp___2 ; [L225] splverifierCounter = 0 Loop: [L227] COND TRUE 1 [L229] COND TRUE splverifierCounter < 4 [L235] tmp = __VERIFIER_nondet_int() [L237] COND FALSE !(\read(tmp)) [L245] tmp___0 = __VERIFIER_nondet_int() [L247] COND FALSE !(\read(tmp___0)) [L255] tmp___2 = __VERIFIER_nondet_int() [L257] COND TRUE \read(tmp___2) [L295] COND FALSE !(\read(pumpRunning)) [L302] COND TRUE \read(systemActive) [L324] int tmp ; [L327] COND FALSE !(\read(pumpRunning)) [L44] int tmp ; [L45] int tmp___0 ; [L511] int retValue_acc ; [L514] retValue_acc = waterLevel [L515] return (retValue_acc); [L49] tmp = getWaterLevel() [L51] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...