./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product03.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_96e0ebb1-0c5e-4743-a789-a32570c112fa/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_96e0ebb1-0c5e-4743-a789-a32570c112fa/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_96e0ebb1-0c5e-4743-a789-a32570c112fa/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_96e0ebb1-0c5e-4743-a789-a32570c112fa/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_96e0ebb1-0c5e-4743-a789-a32570c112fa/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_96e0ebb1-0c5e-4743-a789-a32570c112fa/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 7d22266300e6cd9ced6ad4763303b2f8762682aa ......................................................................................................................................................................................................................................................................................................................................................................... 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 08:56:25,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:56:25,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:56:25,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:56:25,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:56:25,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:56:25,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:56:25,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:56:25,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:56:25,130 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:56:25,131 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:56:25,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:56:25,133 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:56:25,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:56:25,135 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:56:25,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:56:25,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:56:25,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:56:25,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:56:25,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:56:25,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:56:25,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:56:25,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:56:25,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:56:25,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:56:25,152 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:56:25,152 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:56:25,153 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:56:25,153 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:56:25,154 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:56:25,154 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:56:25,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:56:25,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:56:25,155 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:56:25,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:56:25,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:56:25,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:56:25,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:56:25,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:56:25,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:56:25,162 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:56:25,162 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_96e0ebb1-0c5e-4743-a789-a32570c112fa/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 08:56:25,182 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:56:25,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:56:25,183 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:56:25,183 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:56:25,184 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:56:25,184 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:56:25,184 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:56:25,184 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:56:25,184 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:56:25,185 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:56:25,185 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:56:25,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:56:25,185 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:56:25,185 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:56:25,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:56:25,185 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:56:25,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:56:25,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:56:25,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:56:25,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:56:25,186 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:56:25,186 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:56:25,186 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:56:25,186 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:56:25,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:56:25,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:56:25,187 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:56:25,187 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:56:25,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:56:25,189 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:56:25,189 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:56:25,190 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:56:25,190 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_96e0ebb1-0c5e-4743-a789-a32570c112fa/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 -> 7d22266300e6cd9ced6ad4763303b2f8762682aa [2019-10-22 08:56:25,223 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:56:25,232 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:56:25,235 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:56:25,236 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:56:25,237 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:56:25,237 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_96e0ebb1-0c5e-4743-a789-a32570c112fa/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2019-10-22 08:56:25,290 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_96e0ebb1-0c5e-4743-a789-a32570c112fa/bin/uautomizer/data/520408501/911ebf49b6074becb6df62f730fa2c78/FLAGd34755f65 [2019-10-22 08:56:25,735 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:56:25,735 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_96e0ebb1-0c5e-4743-a789-a32570c112fa/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2019-10-22 08:56:25,745 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_96e0ebb1-0c5e-4743-a789-a32570c112fa/bin/uautomizer/data/520408501/911ebf49b6074becb6df62f730fa2c78/FLAGd34755f65 [2019-10-22 08:56:25,757 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_96e0ebb1-0c5e-4743-a789-a32570c112fa/bin/uautomizer/data/520408501/911ebf49b6074becb6df62f730fa2c78 [2019-10-22 08:56:25,759 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:56:25,760 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:56:25,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:25,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:56:25,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:56:25,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:25" (1/1) ... [2019-10-22 08:56:25,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c1ea15e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:25, skipping insertion in model container [2019-10-22 08:56:25,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:25" (1/1) ... [2019-10-22 08:56:25,774 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:56:25,807 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:56:26,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:26,158 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:56:26,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:26,270 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:56:26,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:26 WrapperNode [2019-10-22 08:56:26,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:26,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:26,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:56:26,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:56:26,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:26" (1/1) ... [2019-10-22 08:56:26,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:26" (1/1) ... [2019-10-22 08:56:26,334 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:26,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:56:26,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:56:26,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:56:26,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:26" (1/1) ... [2019-10-22 08:56:26,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:26" (1/1) ... [2019-10-22 08:56:26,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:26" (1/1) ... [2019-10-22 08:56:26,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:26" (1/1) ... [2019-10-22 08:56:26,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:26" (1/1) ... [2019-10-22 08:56:26,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:26" (1/1) ... [2019-10-22 08:56:26,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:26" (1/1) ... [2019-10-22 08:56:26,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:56:26,372 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:56:26,372 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:56:26,372 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:56:26,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_96e0ebb1-0c5e-4743-a789-a32570c112fa/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 08:56:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:56:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:56:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:56:26,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:56:27,007 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:56:27,008 INFO L284 CfgBuilder]: Removed 70 assume(true) statements. [2019-10-22 08:56:27,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:27 BoogieIcfgContainer [2019-10-22 08:56:27,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:56:27,010 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:56:27,010 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:56:27,014 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:56:27,014 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:27,015 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:56:25" (1/3) ... [2019-10-22 08:56:27,016 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@bdb32c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:56:27, skipping insertion in model container [2019-10-22 08:56:27,016 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:27,016 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:26" (2/3) ... [2019-10-22 08:56:27,016 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@bdb32c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:56:27, skipping insertion in model container [2019-10-22 08:56:27,016 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:27,017 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:27" (3/3) ... [2019-10-22 08:56:27,018 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product03.cil.c [2019-10-22 08:56:27,070 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:56:27,071 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:56:27,071 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:56:27,071 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:56:27,072 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:56:27,072 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:56:27,072 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:56:27,072 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:56:27,090 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states. [2019-10-22 08:56:27,113 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2019-10-22 08:56:27,113 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:56:27,113 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:56:27,119 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:56:27,119 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:27,119 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:56:27,120 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states. [2019-10-22 08:56:27,122 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2019-10-22 08:56:27,122 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:56:27,123 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:56:27,123 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:56:27,123 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:27,128 INFO L791 eck$LassoCheckResult]: Stem: 23#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(13);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(110, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 3 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string48.base, #t~string48.offset, 1);call write~init~int(80, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(117, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(109, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(112, #t~string48.base, 4 + #t~string48.offset, 1);call write~init~int(58, #t~string48.base, 5 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 6 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(110, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 3 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string54.base, #t~string54.offset, 1);call write~init~int(32, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string56.base, #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 1 + #t~string56.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(13);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(77, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(101, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(116, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(104, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string62.base, #t~string62.offset, 1);call write~init~int(82, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(73, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(84, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 4 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(75, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~cleanupTimeShifts~0 := 4; 13#L-1true havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~9, main_~tmp~5;havoc main_~retValue_acc~9;havoc main_~tmp~5; 30#L440true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 50#L448true main_#t~ret69 := valid_product_#res;main_~tmp~5 := main_#t~ret69;havoc main_#t~ret69; 9#L844true assume 0 != main_~tmp~5; 51#L821true havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 39#L744-1true [2019-10-22 08:56:27,129 INFO L793 eck$LassoCheckResult]: Loop: 39#L744-1true assume !false; 33#L469true assume test_~splverifierCounter~0 < 4; 49#L470true test_~tmp~3 := test_#t~nondet36;havoc test_#t~nondet36; 53#L478true assume !(0 != test_~tmp~3); 54#L478-1true test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; 35#L488true assume !(0 != test_~tmp___0~0); 40#L488-1true test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; 25#L498true assume 0 != test_~tmp___2~0; 7#L504-1true assume !(0 != ~pumpRunning~0); 55#L540true assume !(0 != ~systemActive~0); 45#L547true havoc __utac_acc__Specification4_spec__1_#t~ret67, __utac_acc__Specification4_spec__1_#t~ret68, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 16#L731true __utac_acc__Specification4_spec__1_#t~ret67 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret67;havoc __utac_acc__Specification4_spec__1_#t~ret67; 37#L744true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 39#L744-1true [2019-10-22 08:56:27,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:27,135 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-10-22 08:56:27,164 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:27,164 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741796316] [2019-10-22 08:56:27,165 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:27,165 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:27,165 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:27,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:27,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:27,794 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:27,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:27,795 INFO L82 PathProgramCache]: Analyzing trace with hash -1673895413, now seen corresponding path program 1 times [2019-10-22 08:56:27,795 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:27,795 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763889410] [2019-10-22 08:56:27,795 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:27,796 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:27,796 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:27,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:27,811 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:27,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:27,812 INFO L82 PathProgramCache]: Analyzing trace with hash 40383525, now seen corresponding path program 1 times [2019-10-22 08:56:27,812 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:27,813 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002622808] [2019-10-22 08:56:27,813 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:27,813 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:27,813 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:27,942 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 08:56:27,943 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002622808] [2019-10-22 08:56:27,943 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:27,944 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:56:27,944 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286208072] [2019-10-22 08:56:28,018 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:28,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:56:28,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:56:28,034 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 6 states. [2019-10-22 08:56:28,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:28,239 INFO L93 Difference]: Finished difference Result 156 states and 210 transitions. [2019-10-22 08:56:28,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:56:28,242 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 156 states and 210 transitions. [2019-10-22 08:56:28,247 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 97 [2019-10-22 08:56:28,252 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 156 states to 135 states and 189 transitions. [2019-10-22 08:56:28,254 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 135 [2019-10-22 08:56:28,254 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 135 [2019-10-22 08:56:28,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 135 states and 189 transitions. [2019-10-22 08:56:28,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:56:28,256 INFO L688 BuchiCegarLoop]: Abstraction has 135 states and 189 transitions. [2019-10-22 08:56:28,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states and 189 transitions. [2019-10-22 08:56:28,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 90. [2019-10-22 08:56:28,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-10-22 08:56:28,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 126 transitions. [2019-10-22 08:56:28,288 INFO L711 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2019-10-22 08:56:28,288 INFO L591 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2019-10-22 08:56:28,288 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:56:28,289 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 126 transitions. [2019-10-22 08:56:28,290 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 64 [2019-10-22 08:56:28,290 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:56:28,290 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:56:28,291 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:56:28,291 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:28,291 INFO L791 eck$LassoCheckResult]: Stem: 259#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(13);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(110, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 3 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string48.base, #t~string48.offset, 1);call write~init~int(80, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(117, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(109, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(112, #t~string48.base, 4 + #t~string48.offset, 1);call write~init~int(58, #t~string48.base, 5 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 6 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(110, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 3 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string54.base, #t~string54.offset, 1);call write~init~int(32, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string56.base, #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 1 + #t~string56.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(13);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(77, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(101, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(116, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(104, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string62.base, #t~string62.offset, 1);call write~init~int(82, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(73, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(84, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 4 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(75, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~cleanupTimeShifts~0 := 4; 247#L-1 havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~9, main_~tmp~5;havoc main_~retValue_acc~9;havoc main_~tmp~5; 248#L440 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 264#L448 main_#t~ret69 := valid_product_#res;main_~tmp~5 := main_#t~ret69;havoc main_#t~ret69; 241#L844 assume 0 != main_~tmp~5; 242#L821 havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 274#L744-1 [2019-10-22 08:56:28,292 INFO L793 eck$LassoCheckResult]: Loop: 274#L744-1 assume !false; 267#L469 assume test_~splverifierCounter~0 < 4; 268#L470 test_~tmp~3 := test_#t~nondet36;havoc test_#t~nondet36; 279#L478 assume !(0 != test_~tmp~3); 266#L478-1 test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; 271#L488 assume !(0 != test_~tmp___0~0); 272#L488-1 test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; 260#L498 assume 0 != test_~tmp___2~0; 235#L504-1 assume !(0 != ~pumpRunning~0); 238#L540 assume 0 != ~systemActive~0; 277#L547 havoc __utac_acc__Specification4_spec__1_#t~ret67, __utac_acc__Specification4_spec__1_#t~ret68, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 251#L731 __utac_acc__Specification4_spec__1_#t~ret67 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret67;havoc __utac_acc__Specification4_spec__1_#t~ret67; 252#L744 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 274#L744-1 [2019-10-22 08:56:28,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:28,292 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-10-22 08:56:28,292 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:28,293 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323233372] [2019-10-22 08:56:28,293 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:28,293 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:28,293 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:28,478 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:28,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:28,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1673984786, now seen corresponding path program 1 times [2019-10-22 08:56:28,479 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:28,484 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563901065] [2019-10-22 08:56:28,484 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:28,484 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:28,485 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:28,498 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:28,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:28,504 INFO L82 PathProgramCache]: Analyzing trace with hash 40294152, now seen corresponding path program 1 times [2019-10-22 08:56:28,504 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:28,504 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491595059] [2019-10-22 08:56:28,504 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:28,505 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:28,505 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:28,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:28,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:28,733 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:48,005 WARN L191 SmtUtils]: Spent 19.20 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-10-22 08:56:56,865 WARN L191 SmtUtils]: Spent 8.86 s on a formula simplification that was a NOOP. DAG size: 449 [2019-10-22 08:56:56,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:56:56 BoogieIcfgContainer [2019-10-22 08:56:56,929 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:56:56,929 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:56:56,929 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:56:56,930 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:56:56,932 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:27" (3/4) ... [2019-10-22 08:56:56,934 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-10-22 08:56:56,992 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_96e0ebb1-0c5e-4743-a789-a32570c112fa/bin/uautomizer/witness.graphml [2019-10-22 08:56:56,993 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:56:56,997 INFO L168 Benchmark]: Toolchain (without parser) took 31236.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.3 MB). Free memory was 945.8 MB in the beginning and 826.0 MB in the end (delta: 119.8 MB). Peak memory consumption was 299.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:56,997 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:56,998 INFO L168 Benchmark]: CACSL2BoogieTranslator took 509.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -152.8 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:56,998 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.63 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:56,999 INFO L168 Benchmark]: Boogie Preprocessor took 36.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:56,999 INFO L168 Benchmark]: RCFGBuilder took 637.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:57,008 INFO L168 Benchmark]: BuchiAutomizer took 29919.36 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 68.7 MB). Free memory was 1.0 GB in the beginning and 835.5 MB in the end (delta: 208.4 MB). Peak memory consumption was 286.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:57,008 INFO L168 Benchmark]: Witness Printer took 66.48 ms. Allocated memory is still 1.2 GB. Free memory was 835.5 MB in the beginning and 826.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:57,010 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 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 509.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -152.8 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.63 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.61 ms. Allocated memory is still 1.1 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 637.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 29919.36 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 68.7 MB). Free memory was 1.0 GB in the beginning and 835.5 MB in the end (delta: 208.4 MB). Peak memory consumption was 286.1 MB. Max. memory is 11.5 GB. * Witness Printer took 66.48 ms. Allocated memory is still 1.2 GB. Free memory was 835.5 MB in the beginning and 826.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 90 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 29.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 29.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 45 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: 71 SDtfs, 263 SDslu, 362 SDs, 0 SdLazy, 39 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 468]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=10451} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=0, NULL=10451, NULL=-8, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=-6, NULL=-16, methaneLevelCritical=0, tmp=0, NULL=0, tmp___1=0, NULL=-19, NULL=-12, NULL=-22, NULL=-20, tmp___0=0, cleanupTimeShifts=4, NULL=-7, NULL=-14, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d093a5=0, NULL=-21, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d927cac=59, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e8824f5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@68789d9c=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=-1, NULL=-2, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=-3, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@66af37cb=0, NULL=0, \result=1, NULL=-11, head=0, pumpRunning=0, \result=0, NULL=10450, NULL=-23, NULL=0, NULL=-10, tmp=1, NULL=0, NULL=-5, retValue_acc=1, NULL=-13, tmp=1, retValue_acc=1, tmp___2=59, NULL=7194, splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62832892=0, head=0, NULL=0, NULL=-9, NULL=-15, NULL=0, NULL=-18, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7381f6bb=0, NULL=-17, NULL=-4, NULL=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L218] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L532] int pumpRunning = 0; [L533] int systemActive = 1; [L656] int waterLevel = 1; [L657] int methaneLevelCritical = 0; [L762] int cleanupTimeShifts = 4; [L835] int retValue_acc ; [L836] int tmp ; [L444] int retValue_acc ; [L447] retValue_acc = 1 [L448] return (retValue_acc); [L842] tmp = valid_product() [L844] COND TRUE \read(tmp) [L459] int splverifierCounter ; [L460] int tmp ; [L461] int tmp___0 ; [L462] int tmp___1 ; [L463] int tmp___2 ; [L466] splverifierCounter = 0 Loop: [L468] COND TRUE 1 [L470] COND TRUE splverifierCounter < 4 [L476] tmp = __VERIFIER_nondet_int() [L478] COND FALSE !(\read(tmp)) [L486] tmp___0 = __VERIFIER_nondet_int() [L488] COND FALSE !(\read(tmp___0)) [L496] tmp___2 = __VERIFIER_nondet_int() [L498] COND TRUE \read(tmp___2) [L540] COND FALSE !(\read(pumpRunning)) [L547] COND TRUE \read(systemActive) [L737] int tmp ; [L738] int tmp___0 ; [L727] int retValue_acc ; [L730] retValue_acc = waterLevel [L731] return (retValue_acc); [L742] tmp = getWaterLevel() [L744] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...