./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product15.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_a76f62cd-65cb-4a99-8ca1-06e5965f7044/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a76f62cd-65cb-4a99-8ca1-06e5965f7044/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a76f62cd-65cb-4a99-8ca1-06e5965f7044/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a76f62cd-65cb-4a99-8ca1-06e5965f7044/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a76f62cd-65cb-4a99-8ca1-06e5965f7044/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a76f62cd-65cb-4a99-8ca1-06e5965f7044/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 0293b5fd4bdba9c4dffc69cf3cddef161bbc7b19 ........................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:54:53,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:54:53,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:54:53,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:54:53,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:54:53,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:54:53,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:54:53,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:54:53,047 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:54:53,048 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:54:53,048 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:54:53,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:54:53,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:54:53,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:54:53,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:54:53,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:54:53,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:54:53,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:54:53,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:54:53,062 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:54:53,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:54:53,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:54:53,065 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:54:53,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:54:53,073 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:54:53,074 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:54:53,074 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:54:53,075 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:54:53,076 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:54:53,077 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:54:53,078 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:54:53,082 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:54:53,083 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:54:53,083 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:54:53,084 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:54:53,084 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:54:53,085 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:54:53,085 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:54:53,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:54:53,088 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:54:53,089 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:54:53,089 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a76f62cd-65cb-4a99-8ca1-06e5965f7044/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 08:54:53,109 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:54:53,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:54:53,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:54:53,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:54:53,114 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:54:53,114 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:54:53,114 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:54:53,114 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:54:53,115 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:54:53,115 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:54:53,115 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:54:53,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:54:53,115 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:54:53,115 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:54:53,116 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:54:53,116 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:54:53,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:54:53,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:54:53,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:54:53,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:54:53,116 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:54:53,116 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:54:53,117 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:54:53,117 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:54:53,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:54:53,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:54:53,117 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:54:53,117 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:54:53,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:54:53,118 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:54:53,118 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:54:53,119 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:54:53,119 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_a76f62cd-65cb-4a99-8ca1-06e5965f7044/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 -> 0293b5fd4bdba9c4dffc69cf3cddef161bbc7b19 [2019-10-22 08:54:53,141 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:54:53,150 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:54:53,153 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:54:53,154 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:54:53,155 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:54:53,155 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a76f62cd-65cb-4a99-8ca1-06e5965f7044/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c [2019-10-22 08:54:53,198 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a76f62cd-65cb-4a99-8ca1-06e5965f7044/bin/uautomizer/data/e33019376/0b24fcaedbe04c4bb0503c76bf3f0bba/FLAGcef302e03 [2019-10-22 08:54:53,602 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:54:53,602 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a76f62cd-65cb-4a99-8ca1-06e5965f7044/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c [2019-10-22 08:54:53,612 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a76f62cd-65cb-4a99-8ca1-06e5965f7044/bin/uautomizer/data/e33019376/0b24fcaedbe04c4bb0503c76bf3f0bba/FLAGcef302e03 [2019-10-22 08:54:53,625 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a76f62cd-65cb-4a99-8ca1-06e5965f7044/bin/uautomizer/data/e33019376/0b24fcaedbe04c4bb0503c76bf3f0bba [2019-10-22 08:54:53,627 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:54:53,628 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:54:53,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:53,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:54:53,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:54:53,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:53" (1/1) ... [2019-10-22 08:54:53,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30031fa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:53, skipping insertion in model container [2019-10-22 08:54:53,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:53" (1/1) ... [2019-10-22 08:54:53,643 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:54:53,701 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:54:54,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:54,041 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:54:54,145 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:54,178 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:54:54,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:54 WrapperNode [2019-10-22 08:54:54,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:54,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:54,180 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:54:54,180 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:54:54,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:54" (1/1) ... [2019-10-22 08:54:54,207 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:54" (1/1) ... [2019-10-22 08:54:54,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:54,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:54:54,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:54:54,254 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:54:54,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:54" (1/1) ... [2019-10-22 08:54:54,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:54" (1/1) ... [2019-10-22 08:54:54,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:54" (1/1) ... [2019-10-22 08:54:54,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:54" (1/1) ... [2019-10-22 08:54:54,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:54" (1/1) ... [2019-10-22 08:54:54,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:54" (1/1) ... [2019-10-22 08:54:54,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:54" (1/1) ... [2019-10-22 08:54:54,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:54:54,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:54:54,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:54:54,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:54:54,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a76f62cd-65cb-4a99-8ca1-06e5965f7044/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:54:54,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:54:54,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:54:54,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:54:54,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:54:54,976 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:54:54,976 INFO L284 CfgBuilder]: Removed 100 assume(true) statements. [2019-10-22 08:54:54,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:54 BoogieIcfgContainer [2019-10-22 08:54:54,978 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:54:54,978 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:54:54,978 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:54:54,983 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:54:54,983 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:54:54,984 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:54:53" (1/3) ... [2019-10-22 08:54:54,985 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@96904da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:54:54, skipping insertion in model container [2019-10-22 08:54:54,985 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:54:54,985 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:54" (2/3) ... [2019-10-22 08:54:54,986 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@96904da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:54:54, skipping insertion in model container [2019-10-22 08:54:54,986 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:54:54,986 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:54" (3/3) ... [2019-10-22 08:54:54,987 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product15.cil.c [2019-10-22 08:54:55,045 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:54:55,046 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:54:55,046 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:54:55,046 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:54:55,046 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:54:55,046 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:54:55,047 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:54:55,047 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:54:55,068 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states. [2019-10-22 08:54:55,098 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-10-22 08:54:55,100 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:54:55,100 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:54:55,106 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:54:55,106 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:55,106 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:54:55,106 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states. [2019-10-22 08:54:55,111 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-10-22 08:54:55,111 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:54:55,111 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:54:55,112 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:54:55,112 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:55,117 INFO L791 eck$LassoCheckResult]: Stem: 21#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25); 7#L-1true havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 29#L250true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 63#L258true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 64#L130true assume 0 != main_~tmp~0; 16#L103true havoc test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 41#L273-1true [2019-10-22 08:54:55,117 INFO L793 eck$LassoCheckResult]: Loop: 41#L273-1true assume !false; 20#L479true assume test_~splverifierCounter~0 < 4; 31#L480true test_~tmp~4 := test_#t~nondet33;havoc test_#t~nondet33; 34#L488true assume !(0 != test_~tmp~4); 35#L488-1true test_~tmp___0~1 := test_#t~nondet34;havoc test_#t~nondet34; 24#L498true assume !(0 != test_~tmp___0~1); 27#L498-1true test_~tmp___2~0 := test_#t~nondet35;havoc test_#t~nondet35; 10#L508true assume 0 != test_~tmp___2~0; 49#L514-1true assume !(0 != ~pumpRunning~0); 4#L310true assume !(0 != ~systemActive~0); 57#L317true havoc __utac_acc__Specification1_spec__1_#t~ret12, __utac_acc__Specification1_spec__1_#t~ret13, __utac_acc__Specification1_spec__1_~tmp~1, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; 19#L191-1true __utac_acc__Specification1_spec__1_#t~ret12 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~1 := __utac_acc__Specification1_spec__1_#t~ret12;havoc __utac_acc__Specification1_spec__1_#t~ret12; 45#L273true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1); 41#L273-1true [2019-10-22 08:54:55,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:55,123 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-10-22 08:54:55,131 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:55,132 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121489791] [2019-10-22 08:54:55,133 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:55,133 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:55,133 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:55,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:56,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:56,303 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:54:56,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:56,306 INFO L82 PathProgramCache]: Analyzing trace with hash -1673310517, now seen corresponding path program 1 times [2019-10-22 08:54:56,306 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:56,307 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627323543] [2019-10-22 08:54:56,307 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:56,307 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:56,307 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:56,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:56,335 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:54:56,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:56,337 INFO L82 PathProgramCache]: Analyzing trace with hash 40968421, now seen corresponding path program 1 times [2019-10-22 08:54:56,337 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:56,338 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36456878] [2019-10-22 08:54:56,338 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:56,338 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:56,338 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:56,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:56,479 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36456878] [2019-10-22 08:54:56,479 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:56,479 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:54:56,480 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954772411] [2019-10-22 08:54:56,582 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:56,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:54:56,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:54:56,594 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 6 states. [2019-10-22 08:54:56,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:56,795 INFO L93 Difference]: Finished difference Result 180 states and 246 transitions. [2019-10-22 08:54:56,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:54:56,797 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 180 states and 246 transitions. [2019-10-22 08:54:56,803 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 113 [2019-10-22 08:54:56,809 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 180 states to 159 states and 225 transitions. [2019-10-22 08:54:56,810 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 159 [2019-10-22 08:54:56,811 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 159 [2019-10-22 08:54:56,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 159 states and 225 transitions. [2019-10-22 08:54:56,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:54:56,812 INFO L688 BuchiCegarLoop]: Abstraction has 159 states and 225 transitions. [2019-10-22 08:54:56,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states and 225 transitions. [2019-10-22 08:54:56,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 102. [2019-10-22 08:54:56,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2019-10-22 08:54:56,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 144 transitions. [2019-10-22 08:54:56,846 INFO L711 BuchiCegarLoop]: Abstraction has 102 states and 144 transitions. [2019-10-22 08:54:56,846 INFO L591 BuchiCegarLoop]: Abstraction has 102 states and 144 transitions. [2019-10-22 08:54:56,846 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:54:56,846 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states and 144 transitions. [2019-10-22 08:54:56,848 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 72 [2019-10-22 08:54:56,848 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:54:56,848 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:54:56,849 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:54:56,849 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:56,849 INFO L791 eck$LassoCheckResult]: Stem: 297#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25); 274#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 275#L250 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 305#L258 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 326#L130 assume 0 != main_~tmp~0; 288#L103 havoc test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 277#L273-1 [2019-10-22 08:54:56,850 INFO L793 eck$LassoCheckResult]: Loop: 277#L273-1 assume !false; 295#L479 assume test_~splverifierCounter~0 < 4; 296#L480 test_~tmp~4 := test_#t~nondet33;havoc test_#t~nondet33; 308#L488 assume !(0 != test_~tmp~4); 307#L488-1 test_~tmp___0~1 := test_#t~nondet34;havoc test_#t~nondet34; 300#L498 assume !(0 != test_~tmp___0~1); 301#L498-1 test_~tmp___2~0 := test_#t~nondet35;havoc test_#t~nondet35; 278#L508 assume 0 != test_~tmp___2~0; 279#L514-1 assume !(0 != ~pumpRunning~0); 268#L310 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret14, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 269#L342 assume !(0 != ~pumpRunning~0); 321#L317 havoc __utac_acc__Specification1_spec__1_#t~ret12, __utac_acc__Specification1_spec__1_#t~ret13, __utac_acc__Specification1_spec__1_~tmp~1, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; 293#L191-1 __utac_acc__Specification1_spec__1_#t~ret12 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~1 := __utac_acc__Specification1_spec__1_#t~ret12;havoc __utac_acc__Specification1_spec__1_#t~ret12; 294#L273 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1); 277#L273-1 [2019-10-22 08:54:56,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:56,850 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-10-22 08:54:56,850 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:56,851 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65534801] [2019-10-22 08:54:56,851 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:56,851 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:56,851 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:57,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:57,389 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:54:57,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:57,390 INFO L82 PathProgramCache]: Analyzing trace with hash -353546757, now seen corresponding path program 1 times [2019-10-22 08:54:57,390 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:57,390 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919328534] [2019-10-22 08:54:57,390 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:57,390 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:57,391 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:57,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:57,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:57,399 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:54:57,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:57,400 INFO L82 PathProgramCache]: Analyzing trace with hash 1249492769, now seen corresponding path program 1 times [2019-10-22 08:54:57,400 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:57,400 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315970134] [2019-10-22 08:54:57,400 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:57,400 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:57,400 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:57,941 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:55:17,896 WARN L191 SmtUtils]: Spent 19.88 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-10-22 08:55:29,477 WARN L191 SmtUtils]: Spent 11.58 s on a formula simplification that was a NOOP. DAG size: 449 [2019-10-22 08:55:29,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:55:29 BoogieIcfgContainer [2019-10-22 08:55:29,548 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:55:29,549 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:55:29,549 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:55:29,550 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:55:29,550 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:54" (3/4) ... [2019-10-22 08:55:29,554 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-10-22 08:55:29,616 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a76f62cd-65cb-4a99-8ca1-06e5965f7044/bin/uautomizer/witness.graphml [2019-10-22 08:55:29,616 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:55:29,618 INFO L168 Benchmark]: Toolchain (without parser) took 35989.44 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 246.9 MB). Free memory was 944.5 MB in the beginning and 1.2 GB in the end (delta: -267.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:55:29,618 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:55:29,619 INFO L168 Benchmark]: CACSL2BoogieTranslator took 550.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -182.0 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:29,623 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:29,626 INFO L168 Benchmark]: Boogie Preprocessor took 34.56 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 08:55:29,627 INFO L168 Benchmark]: RCFGBuilder took 689.86 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: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:29,627 INFO L168 Benchmark]: BuchiAutomizer took 34570.18 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 108.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -156.8 MB). Peak memory consumption was 297.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:29,628 INFO L168 Benchmark]: Witness Printer took 67.72 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:29,634 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 550.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -182.0 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 73.16 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. * Boogie Preprocessor took 34.56 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. * RCFGBuilder took 689.86 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: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 34570.18 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 108.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -156.8 MB). Peak memory consumption was 297.2 MB. Max. memory is 11.5 GB. * Witness Printer took 67.72 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 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 102 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 34.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 34.1s. Construction of modules took 0.1s. 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, 57 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 102 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 89 SDtfs, 411 SDslu, 434 SDs, 0 SdLazy, 38 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: 478]: 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 {retValue_acc=0, NULL=0, NULL=0, NULL=-6, NULL=-2, retValue_acc=0, NULL=0, NULL=0, NULL=-17, NULL=-18, methaneLevelCritical=0, NULL=-21, NULL=0, tmp=0, NULL=0, NULL=0, NULL=0, NULL=-22, NULL=0, NULL=-10, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@43de7c2d=0, tmp___1=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=-9, tmp___0=0, NULL=-3, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6619f4d7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@26649548=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@66bef721=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60e3dcc7=62, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@50d37ee0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@50075721=0, NULL=0, systemActive=1, waterLevel=1, NULL=-23, NULL=0, NULL=0, NULL=-19, NULL=0, NULL=-14, NULL=0, NULL=0, NULL=0, NULL=0, NULL=-25, \result=1, NULL=-4, head=0, pumpRunning=0, tmp=1, NULL=-13, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@e538d15=0, NULL=-20, tmp=0, NULL=0, retValue_acc=1, NULL=-11, NULL=-24, tmp___2=62, NULL=-15, tmp___0=0, NULL=-12, splverifierCounter=0, NULL=0, \result=0, NULL=-8, NULL=-16, tmp=0, head=0, NULL=0, NULL=0, NULL=-7, NULL=0, NULL=0, NULL=-5, NULL=0, NULL=-1} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L40] int cleanupTimeShifts = 4; [L148] int waterLevel = 1; [L149] int methaneLevelCritical = 0; [L303] int pumpRunning = 0; [L304] int systemActive = 1; [L704] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L121] int retValue_acc ; [L122] int tmp ; [L254] int retValue_acc ; [L257] retValue_acc = 1 [L258] return (retValue_acc); [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L469] int splverifierCounter ; [L470] int tmp ; [L471] int tmp___0 ; [L472] int tmp___1 ; [L473] int tmp___2 ; [L476] splverifierCounter = 0 Loop: [L478] COND TRUE 1 [L480] COND TRUE splverifierCounter < 4 [L486] tmp = __VERIFIER_nondet_int() [L488] COND FALSE !(\read(tmp)) [L496] tmp___0 = __VERIFIER_nondet_int() [L498] COND FALSE !(\read(tmp___0)) [L506] tmp___2 = __VERIFIER_nondet_int() [L508] COND TRUE \read(tmp___2) [L310] COND FALSE !(\read(pumpRunning)) [L317] COND TRUE \read(systemActive) [L339] int tmp ; [L342] COND FALSE !(\read(pumpRunning)) [L266] int tmp ; [L267] int tmp___0 ; [L187] int retValue_acc ; [L190] retValue_acc = methaneLevelCritical [L191] return (retValue_acc); [L271] tmp = isMethaneLevelCritical() [L273] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...