./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product27.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_c1074aef-357c-4dd8-9a9c-55552c8ca6cb/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c1074aef-357c-4dd8-9a9c-55552c8ca6cb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c1074aef-357c-4dd8-9a9c-55552c8ca6cb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c1074aef-357c-4dd8-9a9c-55552c8ca6cb/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c1074aef-357c-4dd8-9a9c-55552c8ca6cb/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c1074aef-357c-4dd8-9a9c-55552c8ca6cb/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 84bee68029cd4e9781f81f2ec079192bad30236f ........................................................................................................................................................................................................................................................................................................................................................................... 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 09:01:51,466 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:01:51,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:01:51,476 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:01:51,476 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:01:51,477 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:01:51,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:01:51,480 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:01:51,484 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:01:51,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:01:51,485 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:01:51,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:01:51,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:01:51,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:01:51,488 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:01:51,488 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:01:51,489 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:01:51,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:01:51,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:01:51,492 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:01:51,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:01:51,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:01:51,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:01:51,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:01:51,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:01:51,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:01:51,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:01:51,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:01:51,502 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:01:51,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:01:51,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:01:51,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:01:51,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:01:51,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:01:51,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:01:51,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:01:51,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:01:51,507 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:01:51,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:01:51,508 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:01:51,508 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:01:51,509 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c1074aef-357c-4dd8-9a9c-55552c8ca6cb/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 09:01:51,520 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:01:51,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:01:51,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:01:51,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:01:51,522 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:01:51,522 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 09:01:51,522 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 09:01:51,522 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 09:01:51,523 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 09:01:51,523 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 09:01:51,523 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 09:01:51,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:01:51,523 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:01:51,523 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:01:51,523 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:01:51,524 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:01:51,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:01:51,524 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 09:01:51,524 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 09:01:51,524 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 09:01:51,524 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:01:51,524 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:01:51,525 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 09:01:51,525 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:01:51,525 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 09:01:51,525 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:01:51,525 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:01:51,525 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 09:01:51,526 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:01:51,526 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:01:51,526 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 09:01:51,527 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 09:01:51,527 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_c1074aef-357c-4dd8-9a9c-55552c8ca6cb/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 -> 84bee68029cd4e9781f81f2ec079192bad30236f [2019-10-22 09:01:51,549 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:01:51,558 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:01:51,561 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:01:51,562 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:01:51,563 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:01:51,563 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c1074aef-357c-4dd8-9a9c-55552c8ca6cb/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2019-10-22 09:01:51,605 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c1074aef-357c-4dd8-9a9c-55552c8ca6cb/bin/uautomizer/data/ad826fa93/4b3ca056a1234182a33e854f9f7de9ea/FLAGacb71bf57 [2019-10-22 09:01:52,023 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:01:52,024 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c1074aef-357c-4dd8-9a9c-55552c8ca6cb/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2019-10-22 09:01:52,034 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c1074aef-357c-4dd8-9a9c-55552c8ca6cb/bin/uautomizer/data/ad826fa93/4b3ca056a1234182a33e854f9f7de9ea/FLAGacb71bf57 [2019-10-22 09:01:52,048 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c1074aef-357c-4dd8-9a9c-55552c8ca6cb/bin/uautomizer/data/ad826fa93/4b3ca056a1234182a33e854f9f7de9ea [2019-10-22 09:01:52,050 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:01:52,052 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:01:52,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:52,054 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:01:52,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:01:52,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:52" (1/1) ... [2019-10-22 09:01:52,060 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38bc80b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:52, skipping insertion in model container [2019-10-22 09:01:52,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:52" (1/1) ... [2019-10-22 09:01:52,067 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:01:52,100 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:01:52,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:52,428 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:01:52,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:52,550 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:01:52,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:52 WrapperNode [2019-10-22 09:01:52,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:52,551 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:52,551 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:01:52,551 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:01:52,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:52" (1/1) ... [2019-10-22 09:01:52,576 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:52" (1/1) ... [2019-10-22 09:01:52,603 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:52,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:01:52,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:01:52,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:01:52,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:52" (1/1) ... [2019-10-22 09:01:52,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:52" (1/1) ... [2019-10-22 09:01:52,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:52" (1/1) ... [2019-10-22 09:01:52,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:52" (1/1) ... [2019-10-22 09:01:52,623 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:52" (1/1) ... [2019-10-22 09:01:52,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:52" (1/1) ... [2019-10-22 09:01:52,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:52" (1/1) ... [2019-10-22 09:01:52,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:01:52,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:01:52,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:01:52,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:01:52,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c1074aef-357c-4dd8-9a9c-55552c8ca6cb/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 09:01:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:01:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 09:01:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:01:52,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:01:53,341 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:01:53,342 INFO L284 CfgBuilder]: Removed 100 assume(true) statements. [2019-10-22 09:01:53,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:53 BoogieIcfgContainer [2019-10-22 09:01:53,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:01:53,343 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 09:01:53,343 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 09:01:53,348 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 09:01:53,349 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:01:53,349 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 09:01:52" (1/3) ... [2019-10-22 09:01:53,350 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29121fe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:01:53, skipping insertion in model container [2019-10-22 09:01:53,351 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:01:53,351 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:52" (2/3) ... [2019-10-22 09:01:53,351 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29121fe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:01:53, skipping insertion in model container [2019-10-22 09:01:53,351 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:01:53,351 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:53" (3/3) ... [2019-10-22 09:01:53,353 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product27.cil.c [2019-10-22 09:01:53,396 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 09:01:53,397 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 09:01:53,397 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 09:01:53,397 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:01:53,398 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:01:53,398 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 09:01:53,398 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:01:53,398 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 09:01:53,411 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2019-10-22 09:01:53,432 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-10-22 09:01:53,432 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:01:53,432 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:01:53,438 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 09:01:53,438 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:53,438 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 09:01:53,438 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2019-10-22 09:01:53,442 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-10-22 09:01:53,442 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:01:53,442 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:01:53,443 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 09:01:53,443 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:53,448 INFO L791 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(13);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(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(80, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(117, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(109, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(112, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(110, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 3 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(32, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25); 10#L-1true havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 70#L551true havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 19#L559true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 72#L130true assume 0 != main_~tmp~0; 23#L103true havoc test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, 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; 73#L163-1true [2019-10-22 09:01:53,448 INFO L793 eck$LassoCheckResult]: Loop: 73#L163-1true assume !false; 25#L286true assume test_~splverifierCounter~0 < 4; 60#L287true test_~tmp~2 := test_#t~nondet13;havoc test_#t~nondet13; 57#L295true assume !(0 != test_~tmp~2); 55#L295-1true test_~tmp___0~1 := test_#t~nondet14;havoc test_#t~nondet14; 48#L305true assume !(0 != test_~tmp___0~1); 51#L305-1true test_~tmp___2~0 := test_#t~nondet15;havoc test_#t~nondet15; 33#L315true assume 0 != test_~tmp___2~0; 8#L321-1true assume !(0 != ~pumpRunning~0); 26#L351true assume !(0 != ~systemActive~0); 16#L358true havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; 38#L260true __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; 75#L163true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 73#L163-1true [2019-10-22 09:01:53,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:53,454 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-10-22 09:01:53,461 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:53,462 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980201369] [2019-10-22 09:01:53,462 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:53,463 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:53,463 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:53,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:54,109 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:01:54,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:54,111 INFO L82 PathProgramCache]: Analyzing trace with hash -1673095029, now seen corresponding path program 1 times [2019-10-22 09:01:54,111 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:54,111 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303470906] [2019-10-22 09:01:54,112 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:54,112 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:54,112 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:54,130 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:01:54,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:54,132 INFO L82 PathProgramCache]: Analyzing trace with hash 41183909, now seen corresponding path program 1 times [2019-10-22 09:01:54,132 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:54,132 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180292359] [2019-10-22 09:01:54,132 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:54,132 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:54,132 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:54,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:54,221 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 09:01:54,222 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180292359] [2019-10-22 09:01:54,222 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:54,223 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:01:54,223 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851678657] [2019-10-22 09:01:54,295 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:54,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:01:54,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:01:54,312 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 6 states. [2019-10-22 09:01:54,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:54,454 INFO L93 Difference]: Finished difference Result 192 states and 264 transitions. [2019-10-22 09:01:54,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:01:54,457 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 192 states and 264 transitions. [2019-10-22 09:01:54,463 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 121 [2019-10-22 09:01:54,476 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 192 states to 171 states and 243 transitions. [2019-10-22 09:01:54,479 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 171 [2019-10-22 09:01:54,480 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 171 [2019-10-22 09:01:54,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 171 states and 243 transitions. [2019-10-22 09:01:54,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 09:01:54,482 INFO L688 BuchiCegarLoop]: Abstraction has 171 states and 243 transitions. [2019-10-22 09:01:54,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states and 243 transitions. [2019-10-22 09:01:54,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 108. [2019-10-22 09:01:54,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-10-22 09:01:54,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 153 transitions. [2019-10-22 09:01:54,551 INFO L711 BuchiCegarLoop]: Abstraction has 108 states and 153 transitions. [2019-10-22 09:01:54,551 INFO L591 BuchiCegarLoop]: Abstraction has 108 states and 153 transitions. [2019-10-22 09:01:54,551 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 09:01:54,551 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states and 153 transitions. [2019-10-22 09:01:54,555 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 76 [2019-10-22 09:01:54,555 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:01:54,556 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:01:54,556 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 09:01:54,556 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:54,556 INFO L791 eck$LassoCheckResult]: Stem: 321#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(13);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(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(80, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(117, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(109, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(112, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(110, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 3 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(32, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25); 298#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 299#L551 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 310#L559 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 311#L130 assume 0 != main_~tmp~0; 315#L103 havoc test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, 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; 316#L163-1 [2019-10-22 09:01:54,557 INFO L793 eck$LassoCheckResult]: Loop: 316#L163-1 assume !false; 319#L286 assume test_~splverifierCounter~0 < 4; 320#L287 test_~tmp~2 := test_#t~nondet13;havoc test_#t~nondet13; 348#L295 assume !(0 != test_~tmp~2); 345#L295-1 test_~tmp___0~1 := test_#t~nondet14;havoc test_#t~nondet14; 342#L305 assume !(0 != test_~tmp___0~1); 307#L305-1 test_~tmp___2~0 := test_#t~nondet15;havoc test_#t~nondet15; 328#L315 assume 0 != test_~tmp___2~0; 293#L321-1 assume !(0 != ~pumpRunning~0); 295#L351 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret17, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 296#L383 assume !(0 != ~pumpRunning~0); 287#L358 havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; 308#L260 __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; 333#L163 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 316#L163-1 [2019-10-22 09:01:54,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:54,557 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-10-22 09:01:54,557 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:54,558 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104575536] [2019-10-22 09:01:54,558 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:54,574 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:54,574 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:54,911 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:01:54,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:54,915 INFO L82 PathProgramCache]: Analyzing trace with hash -353331269, now seen corresponding path program 1 times [2019-10-22 09:01:54,915 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:54,916 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85598612] [2019-10-22 09:01:54,916 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:54,916 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:54,917 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:54,929 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:01:54,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:54,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1249708257, now seen corresponding path program 1 times [2019-10-22 09:01:54,934 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:54,935 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279743402] [2019-10-22 09:01:54,935 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:54,935 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:54,935 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:55,222 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:02:12,438 WARN L191 SmtUtils]: Spent 17.15 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-10-22 09:02:23,325 WARN L191 SmtUtils]: Spent 10.89 s on a formula simplification that was a NOOP. DAG size: 449 [2019-10-22 09:02:23,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 09:02:23 BoogieIcfgContainer [2019-10-22 09:02:23,382 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 09:02:23,382 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:02:23,382 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:02:23,382 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:02:23,383 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:53" (3/4) ... [2019-10-22 09:02:23,386 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-10-22 09:02:23,430 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c1074aef-357c-4dd8-9a9c-55552c8ca6cb/bin/uautomizer/witness.graphml [2019-10-22 09:02:23,430 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:02:23,432 INFO L168 Benchmark]: Toolchain (without parser) took 31379.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 202.9 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -194.9 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:23,432 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:23,433 INFO L168 Benchmark]: CACSL2BoogieTranslator took 497.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:23,433 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.45 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: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:23,434 INFO L168 Benchmark]: Boogie Preprocessor took 29.50 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:23,434 INFO L168 Benchmark]: RCFGBuilder took 709.44 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: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:23,435 INFO L168 Benchmark]: BuchiAutomizer took 30038.44 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 67.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -81.1 MB). Peak memory consumption was 290.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:23,436 INFO L168 Benchmark]: Witness Printer took 48.18 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: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:23,438 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 497.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.45 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: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.50 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 709.44 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: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 30038.44 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 67.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -81.1 MB). Peak memory consumption was 290.8 MB. Max. memory is 11.5 GB. * Witness Printer took 48.18 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: 9.4 MB). Peak memory consumption was 9.4 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 108 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 29.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 29.6s. 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, 63 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 108 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 98 SDtfs, 370 SDslu, 524 SDs, 0 SdLazy, 42 SolverSat, 9 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: 285]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=9487} State at position 1 is {NULL=0, NULL=-17, retValue_acc=0, NULL=9487, NULL=0, NULL=0, NULL=-13, methaneLevelCritical=0, NULL=-1, tmp=0, NULL=0, NULL=0, NULL=0, NULL=-20, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28648e8e=0, NULL=-22, NULL=0, tmp___1=0, NULL=-11, NULL=-7, NULL=0, NULL=0, NULL=0, tmp___0=0, cleanupTimeShifts=4, NULL=-3, NULL=-15, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@773b84ab=0, NULL=0, systemActive=1, waterLevel=1, NULL=-19, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1acc31cc=0, NULL=-14, NULL=0, NULL=9486, NULL=0, retValue_acc=1, NULL=-24, NULL=0, NULL=0, NULL=0, NULL=-6, \result=1, head=0, pumpRunning=0, tmp=1, NULL=-21, \result=0, NULL=-8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@17d94596=0, NULL=-18, NULL=0, NULL=0, NULL=0, NULL=-12, NULL=-23, NULL=-5, tmp=1, retValue_acc=1, tmp___2=55, tmp___0=0, splverifierCounter=0, NULL=0, NULL=-2, NULL=-16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f42bd4f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6786f92e=55, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2257c7a5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33aba174=0, NULL=-4, tmp=0, head=0, NULL=-10, NULL=0, NULL=-9} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L40] int cleanupTimeShifts = 4; [L185] int waterLevel = 1; [L186] int methaneLevelCritical = 0; [L344] int pumpRunning = 0; [L345] int systemActive = 1; [L733] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L121] int retValue_acc ; [L122] int tmp ; [L555] int retValue_acc ; [L558] retValue_acc = 1 [L559] return (retValue_acc); [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L276] int splverifierCounter ; [L277] int tmp ; [L278] int tmp___0 ; [L279] int tmp___1 ; [L280] int tmp___2 ; [L283] splverifierCounter = 0 Loop: [L285] COND TRUE 1 [L287] COND TRUE splverifierCounter < 4 [L293] tmp = __VERIFIER_nondet_int() [L295] COND FALSE !(\read(tmp)) [L303] tmp___0 = __VERIFIER_nondet_int() [L305] COND FALSE !(\read(tmp___0)) [L313] tmp___2 = __VERIFIER_nondet_int() [L315] COND TRUE \read(tmp___2) [L351] COND FALSE !(\read(pumpRunning)) [L358] COND TRUE \read(systemActive) [L380] int tmp ; [L383] COND FALSE !(\read(pumpRunning)) [L156] int tmp ; [L157] int tmp___0 ; [L256] int retValue_acc ; [L259] retValue_acc = waterLevel [L260] return (retValue_acc); [L161] tmp = getWaterLevel() [L163] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...