./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product12.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_9373ee43-e3c1-4760-95cb-2190375d32e7/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9373ee43-e3c1-4760-95cb-2190375d32e7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9373ee43-e3c1-4760-95cb-2190375d32e7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9373ee43-e3c1-4760-95cb-2190375d32e7/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9373ee43-e3c1-4760-95cb-2190375d32e7/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9373ee43-e3c1-4760-95cb-2190375d32e7/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 aa894c4db149ffc20490feb4bd4b6a764b6f938d ................................................................................................................................................................................................................................................................................................................................................................. 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 08:59:51,131 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:59:51,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:59:51,142 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:59:51,142 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:59:51,143 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:59:51,144 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:59:51,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:59:51,147 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:59:51,148 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:59:51,148 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:59:51,149 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:59:51,149 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:59:51,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:59:51,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:59:51,152 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:59:51,153 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:59:51,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:59:51,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:59:51,163 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:59:51,164 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:59:51,165 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:59:51,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:59:51,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:59:51,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:59:51,169 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:59:51,169 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:59:51,170 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:59:51,171 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:59:51,172 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:59:51,172 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:59:51,172 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:59:51,173 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:59:51,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:59:51,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:59:51,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:59:51,175 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:59:51,175 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:59:51,175 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:59:51,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:59:51,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:59:51,188 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9373ee43-e3c1-4760-95cb-2190375d32e7/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 08:59:51,201 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:59:51,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:59:51,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:59:51,203 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:59:51,203 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:59:51,203 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:59:51,203 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:59:51,203 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:59:51,203 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:59:51,204 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:59:51,204 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:59:51,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:59:51,204 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:59:51,204 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:59:51,204 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:59:51,205 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:59:51,205 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:59:51,205 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:59:51,205 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:59:51,205 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:59:51,205 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:59:51,206 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:59:51,206 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:59:51,206 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:59:51,206 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:59:51,207 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:59:51,207 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:59:51,207 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:59:51,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:59:51,208 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:59:51,208 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:59:51,208 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:59:51,209 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_9373ee43-e3c1-4760-95cb-2190375d32e7/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 -> aa894c4db149ffc20490feb4bd4b6a764b6f938d [2019-10-22 08:59:51,233 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:59:51,244 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:59:51,247 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:59:51,249 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:59:51,249 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:59:51,250 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9373ee43-e3c1-4760-95cb-2190375d32e7/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c [2019-10-22 08:59:51,297 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9373ee43-e3c1-4760-95cb-2190375d32e7/bin/uautomizer/data/00dbb2337/183a2a89dd644decbd8223c1e0c76924/FLAG87ea181b1 [2019-10-22 08:59:51,742 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:59:51,742 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9373ee43-e3c1-4760-95cb-2190375d32e7/sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c [2019-10-22 08:59:51,750 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9373ee43-e3c1-4760-95cb-2190375d32e7/bin/uautomizer/data/00dbb2337/183a2a89dd644decbd8223c1e0c76924/FLAG87ea181b1 [2019-10-22 08:59:51,765 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9373ee43-e3c1-4760-95cb-2190375d32e7/bin/uautomizer/data/00dbb2337/183a2a89dd644decbd8223c1e0c76924 [2019-10-22 08:59:51,767 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:59:51,768 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:59:51,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:51,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:59:51,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:59:51,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:51" (1/1) ... [2019-10-22 08:59:51,776 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46020af8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:51, skipping insertion in model container [2019-10-22 08:59:51,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:51" (1/1) ... [2019-10-22 08:59:51,784 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:59:51,835 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:59:52,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:52,171 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:59:52,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:52,263 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:59:52,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:52 WrapperNode [2019-10-22 08:59:52,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:52,264 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:59:52,264 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:59:52,264 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:59:52,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:52" (1/1) ... [2019-10-22 08:59:52,290 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:52" (1/1) ... [2019-10-22 08:59:52,322 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:59:52,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:59:52,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:59:52,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:59:52,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:52" (1/1) ... [2019-10-22 08:59:52,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:52" (1/1) ... [2019-10-22 08:59:52,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:52" (1/1) ... [2019-10-22 08:59:52,354 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:52" (1/1) ... [2019-10-22 08:59:52,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:52" (1/1) ... [2019-10-22 08:59:52,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:52" (1/1) ... [2019-10-22 08:59:52,376 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:52" (1/1) ... [2019-10-22 08:59:52,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:59:52,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:59:52,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:59:52,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:59:52,380 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9373ee43-e3c1-4760-95cb-2190375d32e7/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 08:59:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:59:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:59:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:59:52,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:59:53,206 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:59:53,206 INFO L284 CfgBuilder]: Removed 72 assume(true) statements. [2019-10-22 08:59:53,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:53 BoogieIcfgContainer [2019-10-22 08:59:53,207 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:59:53,208 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:59:53,208 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:59:53,212 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:59:53,212 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:59:53,213 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:59:51" (1/3) ... [2019-10-22 08:59:53,214 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ead2e2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:59:53, skipping insertion in model container [2019-10-22 08:59:53,214 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:59:53,214 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:52" (2/3) ... [2019-10-22 08:59:53,218 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ead2e2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:59:53, skipping insertion in model container [2019-10-22 08:59:53,219 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:59:53,219 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:53" (3/3) ... [2019-10-22 08:59:53,221 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product12.cil.c [2019-10-22 08:59:53,262 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:59:53,262 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:59:53,262 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:59:53,262 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:59:53,262 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:59:53,263 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:59:53,263 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:59:53,263 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:59:53,277 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states. [2019-10-22 08:59:53,300 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2019-10-22 08:59:53,300 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:59:53,300 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:59:53,308 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:59:53,309 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:53,309 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:59:53,309 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states. [2019-10-22 08:59:53,312 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2019-10-22 08:59:53,313 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:59:53,313 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:59:53,313 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:59:53,313 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:53,319 INFO L791 eck$LassoCheckResult]: Stem: 29#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(13);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(80, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(117, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(109, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(112, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(110, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(32, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;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~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);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);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25); 6#L-1true havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~6, main_~tmp~3;havoc main_~retValue_acc~6;havoc main_~tmp~3; 30#L403true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 47#L411true main_#t~ret35 := valid_product_#res;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; 31#L498true assume 0 != main_~tmp~3; 14#L475true havoc test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 23#L136-1true [2019-10-22 08:59:53,319 INFO L793 eck$LassoCheckResult]: Loop: 23#L136-1true assume !false; 27#L169true assume test_~splverifierCounter~0 < 4; 55#L170true test_~tmp~1 := test_#t~nondet12;havoc test_#t~nondet12; 51#L178true assume !(0 != test_~tmp~1); 50#L178-1true test_~tmp___0~1 := test_#t~nondet13;havoc test_#t~nondet13; 43#L188true assume !(0 != test_~tmp___0~1); 42#L188-1true test_~tmp___2~0 := test_#t~nondet14;havoc test_#t~nondet14; 21#L198true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 46#L206-1true assume !(0 != ~pumpRunning~0); 12#L237true assume !(0 != ~systemActive~0); 54#L244true havoc __utac_acc__Specification4_spec__1_#t~ret10, __utac_acc__Specification4_spec__1_#t~ret11, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 40#L121true __utac_acc__Specification4_spec__1_#t~ret10 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret10;havoc __utac_acc__Specification4_spec__1_#t~ret10; 25#L136true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 23#L136-1true [2019-10-22 08:59:53,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:53,330 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-10-22 08:59:53,337 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:53,337 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281825994] [2019-10-22 08:59:53,338 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:53,338 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:53,338 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:54,046 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:59:54,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:54,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1672941108, now seen corresponding path program 1 times [2019-10-22 08:59:54,048 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:54,048 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881522596] [2019-10-22 08:59:54,048 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:54,048 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:54,048 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:54,114 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 08:59:54,115 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881522596] [2019-10-22 08:59:54,115 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:54,116 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:59:54,116 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378482862] [2019-10-22 08:59:54,121 INFO L808 eck$LassoCheckResult]: loop already infeasible [2019-10-22 08:59:54,122 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:54,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:59:54,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:59:54,141 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 3 states. [2019-10-22 08:59:54,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:54,216 INFO L93 Difference]: Finished difference Result 106 states and 144 transitions. [2019-10-22 08:59:54,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:59:54,220 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 106 states and 144 transitions. [2019-10-22 08:59:54,225 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 66 [2019-10-22 08:59:54,232 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 106 states to 92 states and 129 transitions. [2019-10-22 08:59:54,237 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 92 [2019-10-22 08:59:54,237 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 92 [2019-10-22 08:59:54,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 92 states and 129 transitions. [2019-10-22 08:59:54,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:59:54,239 INFO L688 BuchiCegarLoop]: Abstraction has 92 states and 129 transitions. [2019-10-22 08:59:54,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states and 129 transitions. [2019-10-22 08:59:54,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 90. [2019-10-22 08:59:54,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-10-22 08:59:54,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 126 transitions. [2019-10-22 08:59:54,269 INFO L711 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2019-10-22 08:59:54,269 INFO L591 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2019-10-22 08:59:54,269 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:59:54,270 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 126 transitions. [2019-10-22 08:59:54,271 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 64 [2019-10-22 08:59:54,272 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:59:54,272 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:59:54,272 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:59:54,272 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:54,273 INFO L791 eck$LassoCheckResult]: Stem: 210#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(13);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(80, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(117, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(109, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(112, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(110, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(32, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;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~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);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);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25); 178#L-1 havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~6, main_~tmp~3;havoc main_~retValue_acc~6;havoc main_~tmp~3; 179#L403 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 211#L411 main_#t~ret35 := valid_product_#res;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; 212#L498 assume 0 != main_~tmp~3; 191#L475 havoc test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 192#L136-1 [2019-10-22 08:59:54,273 INFO L793 eck$LassoCheckResult]: Loop: 192#L136-1 assume !false; 204#L169 assume test_~splverifierCounter~0 < 4; 207#L170 test_~tmp~1 := test_#t~nondet12;havoc test_#t~nondet12; 220#L178 assume !(0 != test_~tmp~1); 219#L178-1 test_~tmp___0~1 := test_#t~nondet13;havoc test_#t~nondet13; 218#L188 assume !(0 != test_~tmp___0~1); 186#L188-1 test_~tmp___2~0 := test_#t~nondet14;havoc test_#t~nondet14; 199#L198 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 200#L206-1 assume !(0 != ~pumpRunning~0); 189#L237 assume 0 != ~systemActive~0; 190#L244 havoc __utac_acc__Specification4_spec__1_#t~ret10, __utac_acc__Specification4_spec__1_#t~ret11, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 216#L121 __utac_acc__Specification4_spec__1_#t~ret10 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret10;havoc __utac_acc__Specification4_spec__1_#t~ret10; 206#L136 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 192#L136-1 [2019-10-22 08:59:54,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:54,273 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-10-22 08:59:54,273 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:54,274 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256876504] [2019-10-22 08:59:54,274 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:54,278 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:54,278 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:54,648 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:59:54,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:54,648 INFO L82 PathProgramCache]: Analyzing trace with hash -1673030481, now seen corresponding path program 1 times [2019-10-22 08:59:54,648 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:54,649 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813177597] [2019-10-22 08:59:54,649 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:54,649 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:54,649 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:54,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:54,673 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:59:54,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:54,674 INFO L82 PathProgramCache]: Analyzing trace with hash 41248457, now seen corresponding path program 1 times [2019-10-22 08:59:54,674 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:54,674 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783737413] [2019-10-22 08:59:54,674 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:54,675 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:54,675 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:54,924 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:00:17,095 WARN L191 SmtUtils]: Spent 22.04 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-10-22 09:00:27,631 WARN L191 SmtUtils]: Spent 10.53 s on a formula simplification that was a NOOP. DAG size: 449 [2019-10-22 09:00:27,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 09:00:27 BoogieIcfgContainer [2019-10-22 09:00:27,677 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 09:00:27,678 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:00:27,678 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:00:27,678 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:00:27,679 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:53" (3/4) ... [2019-10-22 09:00:27,681 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-10-22 09:00:27,727 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9373ee43-e3c1-4760-95cb-2190375d32e7/bin/uautomizer/witness.graphml [2019-10-22 09:00:27,727 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:00:27,728 INFO L168 Benchmark]: Toolchain (without parser) took 35960.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 199.2 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -141.8 MB). Peak memory consumption was 57.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:27,729 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:27,729 INFO L168 Benchmark]: CACSL2BoogieTranslator took 494.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 935.6 MB in the beginning and 1.1 GB in the end (delta: -189.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:27,729 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:27,730 INFO L168 Benchmark]: Boogie Preprocessor took 56.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:27,730 INFO L168 Benchmark]: RCFGBuilder took 828.08 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: 43.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:27,731 INFO L168 Benchmark]: BuchiAutomizer took 34469.63 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 51.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -16.0 MB). Peak memory consumption was 274.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:27,731 INFO L168 Benchmark]: Witness Printer took 49.49 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: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:27,733 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 494.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 935.6 MB in the beginning and 1.1 GB in the end (delta: -189.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.42 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 828.08 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: 43.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 34469.63 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 51.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -16.0 MB). Peak memory consumption was 274.9 MB. Max. memory is 11.5 GB. * Witness Printer took 49.49 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: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 90 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 34.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 34.1s. Construction of modules took 0.0s. 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: 168]: 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 {NULL=0, NULL=0, NULL=-5, NULL=-1, NULL=0, NULL=0, retValue_acc=0, NULL=-14, NULL=-6, NULL=-9, NULL=-7, methaneLevelCritical=0, NULL=0, NULL=0, NULL=-23, NULL=0, NULL=-22, NULL=0, tmp___1=0, NULL=-19, NULL=-8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c8f1c7d=0, tmp___0=0, cleanupTimeShifts=4, tmp=0, NULL=-18, NULL=-24, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=-3, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, NULL=-2, \result=0, NULL=-20, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@465c0248=0, NULL=0, NULL=-11, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5b0391b9=0, NULL=0, retValue_acc=1, NULL=-13, tmp=1, NULL=-12, tmp___2=57, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=-16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@345eef8c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d688a1=57, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5fbbc8d7=0, NULL=-4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b06f228=0, head=0, NULL=-15, NULL=-17, NULL=-21, NULL=0, NULL=-25, NULL=-10} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L230] int pumpRunning = 0; [L231] int systemActive = 1; [L416] int cleanupTimeShifts = 4; [L681] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L489] int retValue_acc ; [L490] int tmp ; [L407] int retValue_acc ; [L410] retValue_acc = 1 [L411] return (retValue_acc); [L496] tmp = valid_product() [L498] COND TRUE \read(tmp) [L159] int splverifierCounter ; [L160] int tmp ; [L161] int tmp___0 ; [L162] int tmp___1 ; [L163] int tmp___2 ; [L166] splverifierCounter = 0 Loop: [L168] COND TRUE 1 [L170] COND TRUE splverifierCounter < 4 [L176] tmp = __VERIFIER_nondet_int() [L178] COND FALSE !(\read(tmp)) [L186] tmp___0 = __VERIFIER_nondet_int() [L188] COND FALSE !(\read(tmp___0)) [L196] tmp___2 = __VERIFIER_nondet_int() [L198] COND TRUE \read(tmp___2) [L373] systemActive = 1 [L237] COND FALSE !(\read(pumpRunning)) [L244] COND TRUE \read(systemActive) [L129] int tmp ; [L130] int tmp___0 ; [L117] int retValue_acc ; [L120] retValue_acc = waterLevel [L121] return (retValue_acc); [L134] tmp = getWaterLevel() [L136] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...