./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product04.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_ec09cf09-b6bd-4efb-9983-8fdc4bf5d71f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ec09cf09-b6bd-4efb-9983-8fdc4bf5d71f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ec09cf09-b6bd-4efb-9983-8fdc4bf5d71f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ec09cf09-b6bd-4efb-9983-8fdc4bf5d71f/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ec09cf09-b6bd-4efb-9983-8fdc4bf5d71f/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ec09cf09-b6bd-4efb-9983-8fdc4bf5d71f/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 36c0a5fa74c1b366a9089fb42e1a6f8123b61f10 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 01:13:52,993 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:13:52,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:13:53,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:13:53,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:13:53,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:13:53,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:13:53,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:13:53,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:13:53,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:13:53,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:13:53,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:13:53,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:13:53,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:13:53,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:13:53,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:13:53,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:13:53,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:13:53,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:13:53,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:13:53,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:13:53,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:13:53,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:13:53,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:13:53,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:13:53,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:13:53,030 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:13:53,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:13:53,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:13:53,033 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:13:53,033 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:13:53,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:13:53,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:13:53,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:13:53,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:13:53,036 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:13:53,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:13:53,037 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:13:53,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:13:53,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:13:53,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:13:53,039 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ec09cf09-b6bd-4efb-9983-8fdc4bf5d71f/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 01:13:53,053 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:13:53,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:13:53,055 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:13:53,055 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:13:53,055 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 01:13:53,055 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 01:13:53,056 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 01:13:53,056 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 01:13:53,056 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 01:13:53,056 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 01:13:53,056 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 01:13:53,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:13:53,057 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 01:13:53,057 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 01:13:53,057 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 01:13:53,057 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 01:13:53,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:13:53,058 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 01:13:53,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 01:13:53,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 01:13:53,059 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 01:13:53,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 01:13:53,059 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 01:13:53,059 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:13:53,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 01:13:53,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:13:53,060 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 01:13:53,060 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 01:13:53,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:13:53,060 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 01:13:53,061 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 01:13:53,061 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 01:13:53,062 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_ec09cf09-b6bd-4efb-9983-8fdc4bf5d71f/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 -> 36c0a5fa74c1b366a9089fb42e1a6f8123b61f10 [2019-11-20 01:13:53,192 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:13:53,202 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:13:53,205 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:13:53,206 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:13:53,206 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:13:53,207 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ec09cf09-b6bd-4efb-9983-8fdc4bf5d71f/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c [2019-11-20 01:13:53,266 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ec09cf09-b6bd-4efb-9983-8fdc4bf5d71f/bin/uautomizer/data/ffd482237/3d717247de2e4811ae14f581c9b263c1/FLAG09b375591 [2019-11-20 01:13:53,664 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:13:53,667 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ec09cf09-b6bd-4efb-9983-8fdc4bf5d71f/sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c [2019-11-20 01:13:53,680 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ec09cf09-b6bd-4efb-9983-8fdc4bf5d71f/bin/uautomizer/data/ffd482237/3d717247de2e4811ae14f581c9b263c1/FLAG09b375591 [2019-11-20 01:13:54,003 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ec09cf09-b6bd-4efb-9983-8fdc4bf5d71f/bin/uautomizer/data/ffd482237/3d717247de2e4811ae14f581c9b263c1 [2019-11-20 01:13:54,005 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:13:54,006 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 01:13:54,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:13:54,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:13:54,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:13:54,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:13:54" (1/1) ... [2019-11-20 01:13:54,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d7e20c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:54, skipping insertion in model container [2019-11-20 01:13:54,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:13:54" (1/1) ... [2019-11-20 01:13:54,021 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:13:54,057 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:13:54,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:13:54,461 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:13:54,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:13:54,567 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:13:54,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:54 WrapperNode [2019-11-20 01:13:54,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:13:54,569 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 01:13:54,569 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 01:13:54,569 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 01:13:54,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:54" (1/1) ... [2019-11-20 01:13:54,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:54" (1/1) ... [2019-11-20 01:13:54,632 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 01:13:54,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:13:54,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:13:54,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:13:54,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:54" (1/1) ... [2019-11-20 01:13:54,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:54" (1/1) ... [2019-11-20 01:13:54,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:54" (1/1) ... [2019-11-20 01:13:54,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:54" (1/1) ... [2019-11-20 01:13:54,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:54" (1/1) ... [2019-11-20 01:13:54,666 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:54" (1/1) ... [2019-11-20 01:13:54,669 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:54" (1/1) ... [2019-11-20 01:13:54,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:13:54,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:13:54,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:13:54,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:13:54,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ec09cf09-b6bd-4efb-9983-8fdc4bf5d71f/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 01:13:54,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 01:13:54,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 01:13:54,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:13:54,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:13:55,300 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:13:55,301 INFO L285 CfgBuilder]: Removed 72 assume(true) statements. [2019-11-20 01:13:55,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:13:55 BoogieIcfgContainer [2019-11-20 01:13:55,302 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:13:55,302 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 01:13:55,303 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 01:13:55,305 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 01:13:55,306 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 01:13:55,306 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 01:13:54" (1/3) ... [2019-11-20 01:13:55,307 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4004fb4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 01:13:55, skipping insertion in model container [2019-11-20 01:13:55,307 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 01:13:55,308 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:54" (2/3) ... [2019-11-20 01:13:55,308 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4004fb4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 01:13:55, skipping insertion in model container [2019-11-20 01:13:55,308 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 01:13:55,308 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:13:55" (3/3) ... [2019-11-20 01:13:55,309 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product04.cil.c [2019-11-20 01:13:55,354 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 01:13:55,355 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 01:13:55,355 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 01:13:55,355 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 01:13:55,355 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 01:13:55,355 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 01:13:55,356 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 01:13:55,356 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 01:13:55,368 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states. [2019-11-20 01:13:55,393 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2019-11-20 01:13:55,394 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:13:55,394 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:13:55,399 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 01:13:55,399 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:13:55,399 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 01:13:55,400 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states. [2019-11-20 01:13:55,410 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2019-11-20 01:13:55,410 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:13:55,410 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:13:55,411 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 01:13:55,411 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:13:55,416 INFO L794 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~cleanupTimeShifts~0 := 4;~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);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25); 6#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; 21#L166true havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 55#L174true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 50#L130true assume 0 != main_~tmp~0; 11#L103true havoc test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 47#L851-1true [2019-11-20 01:13:55,424 INFO L796 eck$LassoCheckResult]: Loop: 47#L851-1true assume !false; 18#L410true assume test_~splverifierCounter~0 < 4; 31#L411true test_~tmp~1 := test_#t~nondet29;havoc test_#t~nondet29; 37#L419true assume !(0 != test_~tmp~1); 39#L419-1true test_~tmp___0~0 := test_#t~nondet30;havoc test_#t~nondet30; 22#L429true assume !(0 != test_~tmp___0~0); 24#L429-1true test_~tmp___2~0 := test_#t~nondet31;havoc test_#t~nondet31; 10#L439true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 13#L447-1true assume !(0 != ~pumpRunning~0); 28#L276true assume !(0 != ~systemActive~0); 20#L283true havoc __utac_acc__Specification4_spec__1_#t~ret68, __utac_acc__Specification4_spec__1_#t~ret69, __utac_acc__Specification4_spec__1_~tmp~5, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~5;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 52#L258true __utac_acc__Specification4_spec__1_#t~ret68 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~5 := __utac_acc__Specification4_spec__1_#t~ret68;havoc __utac_acc__Specification4_spec__1_#t~ret68; 43#L851true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~5); 47#L851-1true [2019-11-20 01:13:55,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:13:55,431 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-20 01:13:55,439 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:13:55,439 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963730731] [2019-11-20 01:13:55,440 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:13:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:13:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:13:55,757 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:13:55,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:13:55,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1672941108, now seen corresponding path program 1 times [2019-11-20 01:13:55,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:13:55,759 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519802359] [2019-11-20 01:13:55,759 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:13:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:13:55,808 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 01:13:55,808 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519802359] [2019-11-20 01:13:55,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:13:55,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 01:13:55,810 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683885252] [2019-11-20 01:13:55,814 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 01:13:55,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:13:55,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 01:13:55,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 01:13:55,831 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 3 states. [2019-11-20 01:13:55,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:13:55,891 INFO L93 Difference]: Finished difference Result 106 states and 144 transitions. [2019-11-20 01:13:55,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 01:13:55,893 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 106 states and 144 transitions. [2019-11-20 01:13:55,897 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 66 [2019-11-20 01:13:55,902 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 106 states to 92 states and 129 transitions. [2019-11-20 01:13:55,903 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 92 [2019-11-20 01:13:55,904 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 92 [2019-11-20 01:13:55,905 INFO L73 IsDeterministic]: Start isDeterministic. Operand 92 states and 129 transitions. [2019-11-20 01:13:55,906 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 01:13:55,906 INFO L688 BuchiCegarLoop]: Abstraction has 92 states and 129 transitions. [2019-11-20 01:13:55,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states and 129 transitions. [2019-11-20 01:13:55,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 90. [2019-11-20 01:13:55,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-11-20 01:13:55,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 126 transitions. [2019-11-20 01:13:55,937 INFO L711 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2019-11-20 01:13:55,937 INFO L591 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2019-11-20 01:13:55,938 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 01:13:55,938 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 126 transitions. [2019-11-20 01:13:55,940 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 64 [2019-11-20 01:13:55,940 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:13:55,940 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:13:55,941 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 01:13:55,941 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:13:55,941 INFO L794 eck$LassoCheckResult]: Stem: 189#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~cleanupTimeShifts~0 := 4;~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);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25); 177#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; 178#L166 havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 200#L174 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 224#L130 assume 0 != main_~tmp~0; 182#L103 havoc test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 183#L851-1 [2019-11-20 01:13:55,941 INFO L796 eck$LassoCheckResult]: Loop: 183#L851-1 assume !false; 243#L410 assume test_~splverifierCounter~0 < 4; 244#L411 test_~tmp~1 := test_#t~nondet29;havoc test_#t~nondet29; 259#L419 assume !(0 != test_~tmp~1); 257#L419-1 test_~tmp___0~0 := test_#t~nondet30;havoc test_#t~nondet30; 256#L429 assume !(0 != test_~tmp___0~0); 254#L429-1 test_~tmp___2~0 := test_#t~nondet31;havoc test_#t~nondet31; 253#L439 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 180#L447-1 assume !(0 != ~pumpRunning~0); 250#L276 assume 0 != ~systemActive~0; 249#L283 havoc __utac_acc__Specification4_spec__1_#t~ret68, __utac_acc__Specification4_spec__1_#t~ret69, __utac_acc__Specification4_spec__1_~tmp~5, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~5;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 248#L258 __utac_acc__Specification4_spec__1_#t~ret68 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~5 := __utac_acc__Specification4_spec__1_#t~ret68;havoc __utac_acc__Specification4_spec__1_#t~ret68; 246#L851 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~5); 183#L851-1 [2019-11-20 01:13:55,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:13:55,942 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-20 01:13:55,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:13:55,942 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649888437] [2019-11-20 01:13:55,942 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:13:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:13:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:13:56,050 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:13:56,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:13:56,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1673030481, now seen corresponding path program 1 times [2019-11-20 01:13:56,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:13:56,051 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980999309] [2019-11-20 01:13:56,051 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:13:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:13:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:13:56,063 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:13:56,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:13:56,063 INFO L82 PathProgramCache]: Analyzing trace with hash 41248457, now seen corresponding path program 1 times [2019-11-20 01:13:56,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:13:56,064 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124303704] [2019-11-20 01:13:56,064 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:13:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:13:56,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:13:56,151 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:14:19,091 WARN L191 SmtUtils]: Spent 22.81 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-20 01:14:32,875 WARN L191 SmtUtils]: Spent 13.78 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-20 01:14:32,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 01:14:32 BoogieIcfgContainer [2019-11-20 01:14:32,957 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 01:14:32,958 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 01:14:32,958 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 01:14:32,958 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 01:14:32,959 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:13:55" (3/4) ... [2019-11-20 01:14:32,961 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-20 01:14:33,011 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ec09cf09-b6bd-4efb-9983-8fdc4bf5d71f/bin/uautomizer/witness.graphml [2019-11-20 01:14:33,011 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 01:14:33,013 INFO L168 Benchmark]: Toolchain (without parser) took 39006.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 206.0 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -213.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:14:33,013 INFO L168 Benchmark]: CDTParser took 0.23 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 01:14:33,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 561.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -205.7 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-20 01:14:33,014 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-20 01:14:33,015 INFO L168 Benchmark]: Boogie Preprocessor took 41.16 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. [2019-11-20 01:14:33,015 INFO L168 Benchmark]: RCFGBuilder took 628.52 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2019-11-20 01:14:33,016 INFO L168 Benchmark]: BuchiAutomizer took 37654.85 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 38.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -67.4 MB). Peak memory consumption was 244.0 MB. Max. memory is 11.5 GB. [2019-11-20 01:14:33,016 INFO L168 Benchmark]: Witness Printer took 54.03 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: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. [2019-11-20 01:14:33,019 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 561.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -205.7 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.16 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. * RCFGBuilder took 628.52 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 37654.85 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 38.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -67.4 MB). Peak memory consumption was 244.0 MB. Max. memory is 11.5 GB. * Witness Printer took 54.03 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: 8.7 MB). Peak memory consumption was 8.7 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 3 locations. The remainder module has 90 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 37.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 37.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 90 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 74 SDtfs, 70 SDslu, 62 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 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: 409]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1640} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=1656, NULL=0, retValue_acc=0, NULL=1640, NULL=8642, NULL=0, NULL=0, NULL=1646, NULL=1651, NULL=11589, NULL=1652, methaneLevelCritical=0, NULL=0, tmp___1=0, NULL=1644, NULL=1654, tmp___0=0, cleanupTimeShifts=4, tmp=0, NULL=1643, NULL=1648, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, tmp___0=0, NULL=0, NULL=1647, NULL=0, NULL=0, NULL=0, \result=1, NULL=1653, head=0, pumpRunning=0, tmp=1, \result=0, NULL=11592, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6de7655e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71771558=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@545c2210=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@67f43fbc=61, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@680ed3a0=0, NULL=1650, NULL=1645, tmp=1, NULL=1658, retValue_acc=1, tmp___2=61, retValue_acc=1, NULL=1649, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=11591, head=0, NULL=0, NULL=0, NULL=1641, NULL=0, NULL=0, NULL=1659, NULL=1655, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@67a51b81=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@65000baa=0, NULL=0, NULL=1657, NULL=1642, NULL=11593, NULL=11590} - 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; [L183] int waterLevel = 1; [L184] int methaneLevelCritical = 0; [L268] int pumpRunning = 0; [L269] int systemActive = 1; [L637] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L121] int retValue_acc ; [L122] int tmp ; [L170] int retValue_acc ; [L173] retValue_acc = 1 [L174] return (retValue_acc); [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L400] int splverifierCounter ; [L401] int tmp ; [L402] int tmp___0 ; [L403] int tmp___1 ; [L404] int tmp___2 ; [L407] splverifierCounter = 0 Loop: [L409] COND TRUE 1 [L411] COND TRUE splverifierCounter < 4 [L417] tmp = __VERIFIER_nondet_int() [L419] COND FALSE !(\read(tmp)) [L427] tmp___0 = __VERIFIER_nondet_int() [L429] COND FALSE !(\read(tmp___0)) [L437] tmp___2 = __VERIFIER_nondet_int() [L439] COND TRUE \read(tmp___2) [L394] systemActive = 1 [L276] COND FALSE !(\read(pumpRunning)) [L283] COND TRUE \read(systemActive) [L844] int tmp ; [L845] int tmp___0 ; [L254] int retValue_acc ; [L257] retValue_acc = waterLevel [L258] return (retValue_acc); [L849] tmp = getWaterLevel() [L851] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...