./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a0f6d84e-bded-4187-a0c6-01f29a88af9c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a0f6d84e-bded-4187-a0c6-01f29a88af9c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a0f6d84e-bded-4187-a0c6-01f29a88af9c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a0f6d84e-bded-4187-a0c6-01f29a88af9c/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a0f6d84e-bded-4187-a0c6-01f29a88af9c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a0f6d84e-bded-4187-a0c6-01f29a88af9c/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 db72a434ba2554f10f7540a58e5ab1c726dc8fbe ............................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-678e011 [2019-11-20 01:01:30,531 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:01:30,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:01:30,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:01:30,544 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:01:30,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:01:30,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:01:30,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:01:30,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:01:30,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:01:30,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:01:30,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:01:30,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:01:30,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:01:30,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:01:30,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:01:30,557 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:01:30,558 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:01:30,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:01:30,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:01:30,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:01:30,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:01:30,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:01:30,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:01:30,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:01:30,571 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:01:30,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:01:30,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:01:30,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:01:30,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:01:30,578 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:01:30,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:01:30,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:01:30,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:01:30,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:01:30,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:01:30,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:01:30,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:01:30,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:01:30,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:01:30,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:01:30,584 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a0f6d84e-bded-4187-a0c6-01f29a88af9c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 01:01:30,605 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:01:30,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:01:30,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:01:30,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:01:30,606 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 01:01:30,607 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 01:01:30,607 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 01:01:30,607 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 01:01:30,607 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 01:01:30,607 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 01:01:30,608 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 01:01:30,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:01:30,609 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 01:01:30,609 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 01:01:30,609 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 01:01:30,610 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 01:01:30,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:01:30,610 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 01:01:30,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 01:01:30,610 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 01:01:30,611 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 01:01:30,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 01:01:30,611 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 01:01:30,611 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:01:30,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 01:01:30,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:01:30,612 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 01:01:30,612 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 01:01:30,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:01:30,612 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 01:01:30,613 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 01:01:30,614 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 01:01:30,614 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/run_dir_a0f6d84e-bded-4187-a0c6-01f29a88af9c/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 -> db72a434ba2554f10f7540a58e5ab1c726dc8fbe [2019-11-20 01:01:30,790 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:01:30,801 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:01:30,804 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:01:30,806 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:01:30,806 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:01:30,807 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a0f6d84e-bded-4187-a0c6-01f29a88af9c/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c [2019-11-20 01:01:30,865 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a0f6d84e-bded-4187-a0c6-01f29a88af9c/bin/uautomizer/data/81a2806f6/4d03831b587c4b629a9bc6dc8bb4fd60/FLAG7e2834040 [2019-11-20 01:01:31,256 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:01:31,256 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a0f6d84e-bded-4187-a0c6-01f29a88af9c/sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c [2019-11-20 01:01:31,270 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a0f6d84e-bded-4187-a0c6-01f29a88af9c/bin/uautomizer/data/81a2806f6/4d03831b587c4b629a9bc6dc8bb4fd60/FLAG7e2834040 [2019-11-20 01:01:31,588 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a0f6d84e-bded-4187-a0c6-01f29a88af9c/bin/uautomizer/data/81a2806f6/4d03831b587c4b629a9bc6dc8bb4fd60 [2019-11-20 01:01:31,591 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:01:31,593 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 01:01:31,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:01:31,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:01:31,601 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:01:31,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:01:31" (1/1) ... [2019-11-20 01:01:31,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c0f85d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:01:31, skipping insertion in model container [2019-11-20 01:01:31,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:01:31" (1/1) ... [2019-11-20 01:01:31,613 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:01:31,685 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:01:32,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:01:32,155 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:01:32,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:01:32,266 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:01:32,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:01:32 WrapperNode [2019-11-20 01:01:32,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:01:32,267 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 01:01:32,268 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 01:01:32,268 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 01:01:32,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:01:32" (1/1) ... [2019-11-20 01:01:32,298 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:01:32" (1/1) ... [2019-11-20 01:01:32,344 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 01:01:32,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:01:32,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:01:32,345 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:01:32,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:01:32" (1/1) ... [2019-11-20 01:01:32,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:01:32" (1/1) ... [2019-11-20 01:01:32,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:01:32" (1/1) ... [2019-11-20 01:01:32,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:01:32" (1/1) ... [2019-11-20 01:01:32,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:01:32" (1/1) ... [2019-11-20 01:01:32,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:01:32" (1/1) ... [2019-11-20 01:01:32,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:01:32" (1/1) ... [2019-11-20 01:01:32,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:01:32,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:01:32,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:01:32,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:01:32,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:01:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a0f6d84e-bded-4187-a0c6-01f29a88af9c/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 [2019-11-20 01:01:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 01:01:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 01:01:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:01:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:01:33,259 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:01:33,260 INFO L285 CfgBuilder]: Removed 100 assume(true) statements. [2019-11-20 01:01:33,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:01:33 BoogieIcfgContainer [2019-11-20 01:01:33,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:01:33,262 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 01:01:33,262 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 01:01:33,265 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 01:01:33,266 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 01:01:33,266 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 01:01:31" (1/3) ... [2019-11-20 01:01:33,267 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6fe8a121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 01:01:33, skipping insertion in model container [2019-11-20 01:01:33,268 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 01:01:33,268 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:01:32" (2/3) ... [2019-11-20 01:01:33,268 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6fe8a121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 01:01:33, skipping insertion in model container [2019-11-20 01:01:33,268 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 01:01:33,269 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:01:33" (3/3) ... [2019-11-20 01:01:33,270 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product19.cil.c [2019-11-20 01:01:33,311 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 01:01:33,311 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 01:01:33,311 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 01:01:33,311 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 01:01:33,311 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 01:01:33,312 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 01:01:33,312 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 01:01:33,312 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 01:01:33,328 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2019-11-20 01:01:33,356 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-20 01:01:33,356 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:01:33,357 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:01:33,363 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 01:01:33,364 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:01:33,364 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 01:01:33,364 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2019-11-20 01:01:33,370 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-20 01:01:33,370 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:01:33,371 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:01:33,372 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 01:01:33,373 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:01:33,377 INFO L794 eck$LassoCheckResult]: Stem: 42#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(13);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string5.base, #t~string5.offset, 1);call write~init~int(77, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(101, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(116, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(104, #t~string5.base, 4 + #t~string5.offset, 1);call write~init~int(58, #t~string5.base, 5 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 6 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string7.base, #t~string7.offset, 1);call write~init~int(82, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(73, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(84, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 4 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(75, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string11.base, #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 1 + #t~string11.offset, 1);~head~0.base, ~head~0.offset := 0, 0;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(21);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(21);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1); 23#L-1true havoc main_#res;havoc main_#t~ret48, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; 39#L564true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 61#L572true main_#t~ret48 := valid_product_#res;main_~tmp~4 := main_#t~ret48;havoc main_#t~ret48; 36#L662true assume 0 != main_~tmp~4; 58#L638true havoc test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 15#L51-1true [2019-11-20 01:01:33,378 INFO L796 eck$LassoCheckResult]: Loop: 15#L51-1true assume !false; 50#L857true assume test_~splverifierCounter~0 < 4; 76#L858true test_~tmp~7 := test_#t~nondet68;havoc test_#t~nondet68; 10#L866true assume !(0 != test_~tmp~7); 16#L866-1true test_~tmp___0~2 := test_#t~nondet69;havoc test_#t~nondet69; 68#L876true assume !(0 != test_~tmp___0~2); 70#L876-1true test_~tmp___2~0 := test_#t~nondet70;havoc test_#t~nondet70; 55#L886true assume 0 != test_~tmp___2~0; 27#L892-1true assume !(0 != ~pumpRunning~0); 65#L686true assume !(0 != ~systemActive~0); 73#L693true havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 24#L127true __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; 20#L51true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 15#L51-1true [2019-11-20 01:01:33,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:01:33,385 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-20 01:01:33,392 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:01:33,393 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698760328] [2019-11-20 01:01:33,393 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:01:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:01:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:01:33,720 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:01:33,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:01:33,722 INFO L82 PathProgramCache]: Analyzing trace with hash -1673095029, now seen corresponding path program 1 times [2019-11-20 01:01:33,722 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:01:33,722 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040805023] [2019-11-20 01:01:33,722 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:01:33,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:01:33,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:01:33,750 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:01:33,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:01:33,752 INFO L82 PathProgramCache]: Analyzing trace with hash 41183909, now seen corresponding path program 1 times [2019-11-20 01:01:33,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:01:33,752 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541821238] [2019-11-20 01:01:33,752 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:01:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:01:33,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:01:33,949 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541821238] [2019-11-20 01:01:33,950 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:01:33,950 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 01:01:33,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593634057] [2019-11-20 01:01:34,068 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:01:34,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 01:01:34,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-20 01:01:34,089 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 6 states. [2019-11-20 01:01:34,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:01:34,304 INFO L93 Difference]: Finished difference Result 192 states and 264 transitions. [2019-11-20 01:01:34,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 01:01:34,307 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 192 states and 264 transitions. [2019-11-20 01:01:34,316 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 121 [2019-11-20 01:01:34,323 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 192 states to 171 states and 243 transitions. [2019-11-20 01:01:34,325 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 171 [2019-11-20 01:01:34,326 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 171 [2019-11-20 01:01:34,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 171 states and 243 transitions. [2019-11-20 01:01:34,329 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 01:01:34,329 INFO L688 BuchiCegarLoop]: Abstraction has 171 states and 243 transitions. [2019-11-20 01:01:34,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states and 243 transitions. [2019-11-20 01:01:34,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 108. [2019-11-20 01:01:34,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-11-20 01:01:34,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 153 transitions. [2019-11-20 01:01:34,370 INFO L711 BuchiCegarLoop]: Abstraction has 108 states and 153 transitions. [2019-11-20 01:01:34,371 INFO L591 BuchiCegarLoop]: Abstraction has 108 states and 153 transitions. [2019-11-20 01:01:34,371 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 01:01:34,371 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states and 153 transitions. [2019-11-20 01:01:34,373 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 76 [2019-11-20 01:01:34,374 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:01:34,374 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:01:34,375 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 01:01:34,375 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:01:34,375 INFO L794 eck$LassoCheckResult]: Stem: 332#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(13);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string5.base, #t~string5.offset, 1);call write~init~int(77, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(101, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(116, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(104, #t~string5.base, 4 + #t~string5.offset, 1);call write~init~int(58, #t~string5.base, 5 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 6 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string7.base, #t~string7.offset, 1);call write~init~int(82, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(73, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(84, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 4 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(75, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string11.base, #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 1 + #t~string11.offset, 1);~head~0.base, ~head~0.offset := 0, 0;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(21);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(21);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1); 312#L-1 havoc main_#res;havoc main_#t~ret48, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; 313#L564 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 330#L572 main_#t~ret48 := valid_product_#res;main_~tmp~4 := main_#t~ret48;havoc main_#t~ret48; 327#L662 assume 0 != main_~tmp~4; 328#L638 havoc test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 306#L51-1 [2019-11-20 01:01:34,376 INFO L796 eck$LassoCheckResult]: Loop: 306#L51-1 assume !false; 307#L857 assume test_~splverifierCounter~0 < 4; 340#L858 test_~tmp~7 := test_#t~nondet68;havoc test_#t~nondet68; 299#L866 assume !(0 != test_~tmp~7); 298#L866-1 test_~tmp___0~2 := test_#t~nondet69;havoc test_#t~nondet69; 308#L876 assume !(0 != test_~tmp___0~2); 325#L876-1 test_~tmp___2~0 := test_#t~nondet70;havoc test_#t~nondet70; 347#L886 assume 0 != test_~tmp___2~0; 317#L892-1 assume !(0 != ~pumpRunning~0); 319#L686 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 341#L718 assume !(0 != ~pumpRunning~0); 342#L693 havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 314#L127 __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; 311#L51 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 306#L51-1 [2019-11-20 01:01:34,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:01:34,376 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-20 01:01:34,377 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:01:34,378 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022931025] [2019-11-20 01:01:34,378 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:01:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:01:34,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:01:34,517 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:01:34,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:01:34,518 INFO L82 PathProgramCache]: Analyzing trace with hash -353331269, now seen corresponding path program 1 times [2019-11-20 01:01:34,518 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:01:34,519 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19643585] [2019-11-20 01:01:34,519 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:01:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:01:34,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:01:34,537 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:01:34,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:01:34,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1249708257, now seen corresponding path program 1 times [2019-11-20 01:01:34,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:01:34,538 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039492209] [2019-11-20 01:01:34,539 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:01:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:01:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:01:34,655 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:02:01,415 WARN L191 SmtUtils]: Spent 26.65 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-20 01:02:14,871 WARN L191 SmtUtils]: Spent 13.46 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-20 01:02:14,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 01:02:14 BoogieIcfgContainer [2019-11-20 01:02:14,965 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 01:02:14,966 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 01:02:14,966 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 01:02:14,967 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 01:02:14,967 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:01:33" (3/4) ... [2019-11-20 01:02:14,970 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-20 01:02:15,042 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a0f6d84e-bded-4187-a0c6-01f29a88af9c/bin/uautomizer/witness.graphml [2019-11-20 01:02:15,046 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 01:02:15,054 INFO L168 Benchmark]: Toolchain (without parser) took 43455.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.6 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -218.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:02:15,055 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:02:15,060 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -184.7 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-20 01:02:15,061 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.53 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. [2019-11-20 01:02:15,061 INFO L168 Benchmark]: Boogie Preprocessor took 41.86 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. [2019-11-20 01:02:15,062 INFO L168 Benchmark]: RCFGBuilder took 874.81 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: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. [2019-11-20 01:02:15,062 INFO L168 Benchmark]: BuchiAutomizer took 41704.30 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 38.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -91.0 MB). Peak memory consumption was 240.9 MB. Max. memory is 11.5 GB. [2019-11-20 01:02:15,063 INFO L168 Benchmark]: Witness Printer took 80.23 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: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 11.5 GB. [2019-11-20 01:02:15,066 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 673.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -184.7 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.53 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 41.86 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 874.81 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: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 41704.30 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 38.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -91.0 MB). Peak memory consumption was 240.9 MB. Max. memory is 11.5 GB. * Witness Printer took 80.23 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: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 108 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 41.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 41.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 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, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 856]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=6602} State at position 1 is {NULL=0, retValue_acc=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39140106=0, NULL=6602, NULL=0, NULL=0, NULL=0, NULL=8365, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=6607, NULL=6605, NULL=6608, methaneLevelCritical=0, NULL=6610, NULL=8375, NULL=0, tmp=0, tmp___1=0, tmp___0=0, NULL=6613, cleanupTimeShifts=4, NULL=6603, NULL=8377, NULL=8372, NULL=0, systemActive=1, waterLevel=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@64a3f9bf=0, NULL=0, NULL=0, NULL=8363, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@409518c=0, NULL=6611, NULL=0, NULL=0, NULL=8366, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, \result=0, NULL=6609, tmp=1, NULL=8370, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@dc46b6e=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d6393ab=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@12e3f966=0, NULL=0, NULL=8374, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6fc0b34=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@723d773b=54, retValue_acc=1, NULL=8371, tmp___2=54, tmp___0=0, NULL=8369, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=0, NULL=8367, head=0, tmp=0, NULL=8368, NULL=0, NULL=8373, NULL=0, NULL=8364, NULL=6604, NULL=0, NULL=6606, NULL=6612} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L84] int waterLevel = 1; [L85] int methaneLevelCritical = 0; [L342] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L577] int cleanupTimeShifts = 4; [L679] int pumpRunning = 0; [L680] int systemActive = 1; [L653] int retValue_acc ; [L654] int tmp ; [L568] int retValue_acc ; [L571] retValue_acc = 1 [L572] return (retValue_acc); [L660] tmp = valid_product() [L662] COND TRUE \read(tmp) [L847] int splverifierCounter ; [L848] int tmp ; [L849] int tmp___0 ; [L850] int tmp___1 ; [L851] int tmp___2 ; [L854] splverifierCounter = 0 Loop: [L856] COND TRUE 1 [L858] COND TRUE splverifierCounter < 4 [L864] tmp = __VERIFIER_nondet_int() [L866] COND FALSE !(\read(tmp)) [L874] tmp___0 = __VERIFIER_nondet_int() [L876] COND FALSE !(\read(tmp___0)) [L884] tmp___2 = __VERIFIER_nondet_int() [L886] COND TRUE \read(tmp___2) [L686] COND FALSE !(\read(pumpRunning)) [L693] COND TRUE \read(systemActive) [L715] int tmp ; [L718] COND FALSE !(\read(pumpRunning)) [L44] int tmp ; [L45] int tmp___0 ; [L123] int retValue_acc ; [L126] retValue_acc = methaneLevelCritical [L127] return (retValue_acc); [L49] tmp = isMethaneLevelCritical() [L51] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...