./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product13.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_1fce55e6-53e2-4082-a04f-a224589b2803/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1fce55e6-53e2-4082-a04f-a224589b2803/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1fce55e6-53e2-4082-a04f-a224589b2803/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1fce55e6-53e2-4082-a04f-a224589b2803/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1fce55e6-53e2-4082-a04f-a224589b2803/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1fce55e6-53e2-4082-a04f-a224589b2803/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 06e1bbb05b064353049072459310c7da1eede934 ........................................................................................................................................................................................................................................................................................................................................................................... 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 09:00:20,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:00:20,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:00:20,494 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:00:20,494 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:00:20,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:00:20,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:00:20,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:00:20,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:00:20,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:00:20,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:00:20,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:00:20,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:00:20,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:00:20,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:00:20,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:00:20,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:00:20,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:00:20,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:00:20,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:00:20,512 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:00:20,513 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:00:20,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:00:20,515 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:00:20,517 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:00:20,517 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:00:20,517 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:00:20,518 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:00:20,519 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:00:20,520 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:00:20,520 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:00:20,520 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:00:20,521 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:00:20,522 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:00:20,523 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:00:20,523 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:00:20,524 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:00:20,524 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:00:20,525 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:00:20,526 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:00:20,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:00:20,527 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1fce55e6-53e2-4082-a04f-a224589b2803/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 09:00:20,541 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:00:20,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:00:20,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:00:20,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:00:20,543 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:00:20,543 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 09:00:20,543 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 09:00:20,543 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 09:00:20,544 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 09:00:20,544 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 09:00:20,544 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 09:00:20,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:00:20,544 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:00:20,545 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:00:20,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:00:20,545 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:00:20,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:00:20,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 09:00:20,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 09:00:20,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 09:00:20,546 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:00:20,547 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:00:20,547 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 09:00:20,547 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:00:20,547 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 09:00:20,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:00:20,548 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:00:20,548 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 09:00:20,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:00:20,548 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:00:20,548 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 09:00:20,549 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 09:00:20,549 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_1fce55e6-53e2-4082-a04f-a224589b2803/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 -> 06e1bbb05b064353049072459310c7da1eede934 [2019-10-22 09:00:20,580 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:00:20,591 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:00:20,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:00:20,599 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:00:20,600 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:00:20,600 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1fce55e6-53e2-4082-a04f-a224589b2803/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c [2019-10-22 09:00:20,658 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1fce55e6-53e2-4082-a04f-a224589b2803/bin/uautomizer/data/b714905b5/0e145ddd91654cae949f540d507fe7ea/FLAG019e47fb6 [2019-10-22 09:00:21,053 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:00:21,053 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1fce55e6-53e2-4082-a04f-a224589b2803/sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c [2019-10-22 09:00:21,067 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1fce55e6-53e2-4082-a04f-a224589b2803/bin/uautomizer/data/b714905b5/0e145ddd91654cae949f540d507fe7ea/FLAG019e47fb6 [2019-10-22 09:00:21,394 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1fce55e6-53e2-4082-a04f-a224589b2803/bin/uautomizer/data/b714905b5/0e145ddd91654cae949f540d507fe7ea [2019-10-22 09:00:21,397 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:00:21,398 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:00:21,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:21,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:00:21,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:00:21,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:21" (1/1) ... [2019-10-22 09:00:21,405 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78734ddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:21, skipping insertion in model container [2019-10-22 09:00:21,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:21" (1/1) ... [2019-10-22 09:00:21,413 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:00:21,464 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:00:21,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:21,897 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:00:21,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:22,028 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:00:22,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:22 WrapperNode [2019-10-22 09:00:22,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:22,029 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:22,029 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:00:22,029 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:00:22,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:22" (1/1) ... [2019-10-22 09:00:22,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:22" (1/1) ... [2019-10-22 09:00:22,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:22,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:00:22,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:00:22,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:00:22,138 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:22" (1/1) ... [2019-10-22 09:00:22,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:22" (1/1) ... [2019-10-22 09:00:22,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:22" (1/1) ... [2019-10-22 09:00:22,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:22" (1/1) ... [2019-10-22 09:00:22,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:22" (1/1) ... [2019-10-22 09:00:22,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:22" (1/1) ... [2019-10-22 09:00:22,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:22" (1/1) ... [2019-10-22 09:00:22,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:00:22,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:00:22,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:00:22,180 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:00:22,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1fce55e6-53e2-4082-a04f-a224589b2803/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 09:00:22,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:00:22,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 09:00:22,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:00:22,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:00:22,898 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:00:22,898 INFO L284 CfgBuilder]: Removed 96 assume(true) statements. [2019-10-22 09:00:22,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:22 BoogieIcfgContainer [2019-10-22 09:00:22,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:00:22,900 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 09:00:22,900 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 09:00:22,903 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 09:00:22,904 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:00:22,904 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 09:00:21" (1/3) ... [2019-10-22 09:00:22,905 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b4b1267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:00:22, skipping insertion in model container [2019-10-22 09:00:22,906 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:00:22,906 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:22" (2/3) ... [2019-10-22 09:00:22,906 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b4b1267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:00:22, skipping insertion in model container [2019-10-22 09:00:22,906 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:00:22,907 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:22" (3/3) ... [2019-10-22 09:00:22,908 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product13.cil.c [2019-10-22 09:00:22,954 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 09:00:22,954 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 09:00:22,954 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 09:00:22,954 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:00:22,954 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:00:22,954 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 09:00:22,954 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:00:22,955 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 09:00:22,970 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states. [2019-10-22 09:00:22,994 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2019-10-22 09:00:22,995 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:00:22,995 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:00:23,003 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 09:00:23,004 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:23,004 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 09:00:23,004 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states. [2019-10-22 09:00:23,008 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2019-10-22 09:00:23,008 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:00:23,008 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:00:23,009 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 09:00:23,009 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:23,015 INFO L791 eck$LassoCheckResult]: Stem: 43#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(13);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(80, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(117, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(109, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(112, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(32, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1); 14#L-1true havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3; 5#L526true havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 38#L534true main_#t~ret46 := valid_product_#res;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 64#L624true assume 0 != main_~tmp~3; 34#L600true havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 26#L647-1true [2019-10-22 09:00:23,016 INFO L793 eck$LassoCheckResult]: Loop: 26#L647-1true assume !false; 3#L676true assume test_~splverifierCounter~0 < 4; 46#L677true test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 49#L685true assume !(0 != test_~tmp~5); 52#L685-1true test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 36#L695true assume !(0 != test_~tmp___0~1); 39#L695-1true test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 10#L705true assume 0 != test_~tmp___2~0; 59#L711-2true assume !(0 != ~pumpRunning~0); 33#L739true assume !(0 != ~systemActive~0); 42#L746true havoc __utac_acc__Specification1_spec__1_#t~ret47, __utac_acc__Specification1_spec__1_#t~ret48, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 57#L455-1true __utac_acc__Specification1_spec__1_#t~ret47 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret47;havoc __utac_acc__Specification1_spec__1_#t~ret47; 21#L647true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4); 26#L647-1true [2019-10-22 09:00:23,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:23,022 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-10-22 09:00:23,032 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:23,032 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189412267] [2019-10-22 09:00:23,032 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:23,032 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:23,033 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:23,749 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:00:23,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:23,751 INFO L82 PathProgramCache]: Analyzing trace with hash -1681899262, now seen corresponding path program 1 times [2019-10-22 09:00:23,751 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:23,751 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248245171] [2019-10-22 09:00:23,752 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:23,752 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:23,752 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:23,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:23,773 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:00:23,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:23,780 INFO L82 PathProgramCache]: Analyzing trace with hash 32379676, now seen corresponding path program 1 times [2019-10-22 09:00:23,780 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:23,780 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686158375] [2019-10-22 09:00:23,781 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:23,781 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:23,781 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:23,929 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 09:00:23,931 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686158375] [2019-10-22 09:00:23,932 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:23,932 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:00:23,932 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086010018] [2019-10-22 09:00:24,021 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:24,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:00:24,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:00:24,039 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 6 states. [2019-10-22 09:00:24,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:24,168 INFO L93 Difference]: Finished difference Result 66 states and 88 transitions. [2019-10-22 09:00:24,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:00:24,171 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 88 transitions. [2019-10-22 09:00:24,174 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2019-10-22 09:00:24,179 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 59 states and 81 transitions. [2019-10-22 09:00:24,181 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 59 [2019-10-22 09:00:24,181 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2019-10-22 09:00:24,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 81 transitions. [2019-10-22 09:00:24,183 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 09:00:24,183 INFO L688 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2019-10-22 09:00:24,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 81 transitions. [2019-10-22 09:00:24,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-10-22 09:00:24,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-10-22 09:00:24,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2019-10-22 09:00:24,215 INFO L711 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2019-10-22 09:00:24,215 INFO L591 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2019-10-22 09:00:24,215 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 09:00:24,216 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 81 transitions. [2019-10-22 09:00:24,217 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2019-10-22 09:00:24,217 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:00:24,217 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:00:24,218 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 09:00:24,218 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:24,219 INFO L791 eck$LassoCheckResult]: Stem: 201#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(13);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(80, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(117, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(109, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(112, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(32, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1); 176#L-1 havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3; 155#L526 havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 156#L534 main_#t~ret46 := valid_product_#res;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 199#L624 assume 0 != main_~tmp~3; 194#L600 havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 187#L647-1 [2019-10-22 09:00:24,219 INFO L793 eck$LassoCheckResult]: Loop: 187#L647-1 assume !false; 150#L676 assume test_~splverifierCounter~0 < 4; 151#L677 test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 202#L685 assume !(0 != test_~tmp~5); 205#L685-1 test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 198#L695 assume !(0 != test_~tmp___0~1); 192#L695-1 test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 169#L705 assume 0 != test_~tmp___2~0; 170#L711-2 assume !(0 != ~pumpRunning~0); 193#L739 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret53, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 160#L771 assume !(0 != ~pumpRunning~0); 161#L746 havoc __utac_acc__Specification1_spec__1_#t~ret47, __utac_acc__Specification1_spec__1_#t~ret48, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 200#L455-1 __utac_acc__Specification1_spec__1_#t~ret47 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret47;havoc __utac_acc__Specification1_spec__1_#t~ret47; 186#L647 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4); 187#L647-1 [2019-10-22 09:00:24,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:24,219 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-10-22 09:00:24,220 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:24,220 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397618251] [2019-10-22 09:00:24,220 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:24,220 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:24,220 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:24,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:24,542 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:00:24,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:24,545 INFO L82 PathProgramCache]: Analyzing trace with hash -619797861, now seen corresponding path program 1 times [2019-10-22 09:00:24,545 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:24,545 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756506172] [2019-10-22 09:00:24,545 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:24,546 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:24,548 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:24,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:24,565 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:00:24,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:24,565 INFO L82 PathProgramCache]: Analyzing trace with hash 983241665, now seen corresponding path program 1 times [2019-10-22 09:00:24,566 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:24,566 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617392275] [2019-10-22 09:00:24,566 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:24,566 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:24,566 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:24,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:24,827 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:00:48,798 WARN L191 SmtUtils]: Spent 23.90 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-10-22 09:01:00,618 WARN L191 SmtUtils]: Spent 11.82 s on a formula simplification that was a NOOP. DAG size: 449 [2019-10-22 09:01:00,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 09:01:00 BoogieIcfgContainer [2019-10-22 09:01:00,681 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 09:01:00,682 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:01:00,682 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:01:00,682 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:01:00,683 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:22" (3/4) ... [2019-10-22 09:01:00,686 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-10-22 09:01:00,742 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1fce55e6-53e2-4082-a04f-a224589b2803/bin/uautomizer/witness.graphml [2019-10-22 09:01:00,742 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:01:00,744 INFO L168 Benchmark]: Toolchain (without parser) took 39345.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 198.2 MB). Free memory was 935.6 MB in the beginning and 1.2 GB in the end (delta: -225.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:00,748 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:00,749 INFO L168 Benchmark]: CACSL2BoogieTranslator took 630.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 935.6 MB in the beginning and 1.1 GB in the end (delta: -180.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:00,749 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.39 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:00,749 INFO L168 Benchmark]: Boogie Preprocessor took 51.87 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 09:01:00,750 INFO L168 Benchmark]: RCFGBuilder took 719.81 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: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:00,750 INFO L168 Benchmark]: BuchiAutomizer took 37781.40 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -109.9 MB). Peak memory consumption was 289.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:00,750 INFO L168 Benchmark]: Witness Printer took 60.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:00,752 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 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 630.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 935.6 MB in the beginning and 1.1 GB in the end (delta: -180.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 98.39 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.87 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 719.81 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: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 37781.40 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -109.9 MB). Peak memory consumption was 289.3 MB. Max. memory is 11.5 GB. * Witness Printer took 60.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 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 59 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 37.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 37.4s. 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 59 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 83 SDtfs, 256 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: 675]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=0} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4444b564=0, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6486877f=0, NULL=-17, NULL=0, NULL=0, NULL=-12, retValue_acc=0, NULL=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5923e21a=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d3fe025=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1da589a4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@8725e1f=57, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@691a40a2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1be77bba=0, NULL=0, NULL=0, tmp=0, NULL=0, tmp___1=0, NULL=-25, NULL=-18, NULL=-28, tmp___0=0, NULL=-19, NULL=-24, cleanupTimeShifts=4, NULL=-2, NULL=-5, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=-4, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=-9, NULL=0, \result=1, NULL=-27, head=0, pumpRunning=0, NULL=-23, \result=0, NULL=-26, tmp=1, NULL=0, NULL=0, tmp=0, NULL=0, retValue_acc=1, NULL=-16, NULL=-14, NULL=-20, NULL=0, tmp___2=57, NULL=-3, tmp___0=0, splverifierCounter=0, NULL=0, \result=0, NULL=-8, head=0, NULL=0, NULL=-21, tmp=0, NULL=-22, NULL=0, NULL=-7, NULL=0, NULL=0, NULL=-6, NULL=-15} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L412] int waterLevel = 1; [L413] int methaneLevelCritical = 0; [L539] int cleanupTimeShifts = 4; [L732] int pumpRunning = 0; [L733] int systemActive = 1; [L615] int retValue_acc ; [L616] int tmp ; [L530] int retValue_acc ; [L533] retValue_acc = 1 [L534] return (retValue_acc); [L622] tmp = valid_product() [L624] COND TRUE \read(tmp) [L666] int splverifierCounter ; [L667] int tmp ; [L668] int tmp___0 ; [L669] int tmp___1 ; [L670] int tmp___2 ; [L673] splverifierCounter = 0 Loop: [L675] COND TRUE 1 [L677] COND TRUE splverifierCounter < 4 [L683] tmp = __VERIFIER_nondet_int() [L685] COND FALSE !(\read(tmp)) [L693] tmp___0 = __VERIFIER_nondet_int() [L695] COND FALSE !(\read(tmp___0)) [L703] tmp___2 = __VERIFIER_nondet_int() [L705] COND TRUE \read(tmp___2) [L739] COND FALSE !(\read(pumpRunning)) [L746] COND TRUE \read(systemActive) [L768] int tmp ; [L771] COND FALSE !(\read(pumpRunning)) [L640] int tmp ; [L641] int tmp___0 ; [L451] int retValue_acc ; [L454] retValue_acc = methaneLevelCritical [L455] return (retValue_acc); [L645] tmp = isMethaneLevelCritical() [L647] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...