./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product32.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_ff148e4e-dc07-4cf5-9cd7-456ae6c32abc/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ff148e4e-dc07-4cf5-9cd7-456ae6c32abc/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ff148e4e-dc07-4cf5-9cd7-456ae6c32abc/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ff148e4e-dc07-4cf5-9cd7-456ae6c32abc/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ff148e4e-dc07-4cf5-9cd7-456ae6c32abc/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ff148e4e-dc07-4cf5-9cd7-456ae6c32abc/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 b06e5398ffe5c8f069a10044eb2db1dcb4413f82 ..................................................................................................................................................................................................................................................................................................................................................................... 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 09:01:33,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:01:33,219 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:01:33,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:01:33,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:01:33,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:01:33,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:01:33,233 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:01:33,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:01:33,236 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:01:33,237 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:01:33,238 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:01:33,238 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:01:33,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:01:33,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:01:33,241 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:01:33,242 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:01:33,243 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:01:33,244 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:01:33,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:01:33,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:01:33,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:01:33,249 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:01:33,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:01:33,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:01:33,252 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:01:33,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:01:33,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:01:33,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:01:33,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:01:33,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:01:33,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:01:33,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:01:33,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:01:33,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:01:33,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:01:33,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:01:33,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:01:33,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:01:33,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:01:33,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:01:33,260 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ff148e4e-dc07-4cf5-9cd7-456ae6c32abc/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 09:01:33,272 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:01:33,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:01:33,273 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:01:33,274 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:01:33,274 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:01:33,274 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 09:01:33,274 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 09:01:33,274 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 09:01:33,274 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 09:01:33,275 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 09:01:33,275 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 09:01:33,275 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:01:33,275 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:01:33,276 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:01:33,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:01:33,276 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:01:33,276 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:01:33,276 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 09:01:33,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 09:01:33,277 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 09:01:33,277 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:01:33,277 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:01:33,277 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 09:01:33,277 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:01:33,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 09:01:33,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:01:33,278 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:01:33,278 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 09:01:33,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:01:33,278 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:01:33,279 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 09:01:33,280 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 09:01:33,280 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_ff148e4e-dc07-4cf5-9cd7-456ae6c32abc/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 -> b06e5398ffe5c8f069a10044eb2db1dcb4413f82 [2019-10-22 09:01:33,311 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:01:33,322 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:01:33,330 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:01:33,332 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:01:33,332 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:01:33,333 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ff148e4e-dc07-4cf5-9cd7-456ae6c32abc/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c [2019-10-22 09:01:33,396 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ff148e4e-dc07-4cf5-9cd7-456ae6c32abc/bin/uautomizer/data/d72756af2/eac05fef65ec429592b440613a2dfd1e/FLAGb643b0fc8 [2019-10-22 09:01:33,859 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:01:33,859 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ff148e4e-dc07-4cf5-9cd7-456ae6c32abc/sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c [2019-10-22 09:01:33,873 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ff148e4e-dc07-4cf5-9cd7-456ae6c32abc/bin/uautomizer/data/d72756af2/eac05fef65ec429592b440613a2dfd1e/FLAGb643b0fc8 [2019-10-22 09:01:34,192 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ff148e4e-dc07-4cf5-9cd7-456ae6c32abc/bin/uautomizer/data/d72756af2/eac05fef65ec429592b440613a2dfd1e [2019-10-22 09:01:34,193 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:01:34,194 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:01:34,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:34,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:01:34,201 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:01:34,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:34" (1/1) ... [2019-10-22 09:01:34,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@576275af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:34, skipping insertion in model container [2019-10-22 09:01:34,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:34" (1/1) ... [2019-10-22 09:01:34,209 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:01:34,260 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:01:34,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:34,669 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:01:34,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:34,833 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:01:34,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:34 WrapperNode [2019-10-22 09:01:34,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:34,834 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:34,834 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:01:34,835 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:01:34,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:34" (1/1) ... [2019-10-22 09:01:34,860 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:34" (1/1) ... [2019-10-22 09:01:34,892 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:34,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:01:34,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:01:34,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:01:34,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:34" (1/1) ... [2019-10-22 09:01:34,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:34" (1/1) ... [2019-10-22 09:01:34,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:34" (1/1) ... [2019-10-22 09:01:34,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:34" (1/1) ... [2019-10-22 09:01:34,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:34" (1/1) ... [2019-10-22 09:01:34,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:34" (1/1) ... [2019-10-22 09:01:34,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:34" (1/1) ... [2019-10-22 09:01:34,937 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:01:34,937 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:01:34,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:01:34,938 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:01:34,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ff148e4e-dc07-4cf5-9cd7-456ae6c32abc/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 09:01:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:01:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 09:01:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:01:34,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:01:35,784 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:01:35,785 INFO L284 CfgBuilder]: Removed 162 assume(true) statements. [2019-10-22 09:01:35,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:35 BoogieIcfgContainer [2019-10-22 09:01:35,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:01:35,787 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 09:01:35,788 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 09:01:35,791 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 09:01:35,792 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:01:35,792 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 09:01:34" (1/3) ... [2019-10-22 09:01:35,794 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ce362fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:01:35, skipping insertion in model container [2019-10-22 09:01:35,794 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:01:35,794 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:34" (2/3) ... [2019-10-22 09:01:35,794 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ce362fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:01:35, skipping insertion in model container [2019-10-22 09:01:35,794 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:01:35,795 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:35" (3/3) ... [2019-10-22 09:01:35,796 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product32.cil.c [2019-10-22 09:01:35,848 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 09:01:35,848 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 09:01:35,848 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 09:01:35,848 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:01:35,848 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:01:35,848 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 09:01:35,849 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:01:35,849 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 09:01:35,867 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2019-10-22 09:01:35,902 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-10-22 09:01:35,902 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:01:35,902 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:01:35,913 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 09:01:35,913 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:35,913 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 09:01:35,913 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2019-10-22 09:01:35,923 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-10-22 09:01:35,923 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:01:35,924 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:01:35,924 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 09:01:35,925 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:35,929 INFO L791 eck$LassoCheckResult]: Stem: 74#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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(13);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(80, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(117, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(109, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(112, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(32, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4; 17#L-1true havoc main_#res;havoc main_#t~ret73, main_~retValue_acc~11, main_~tmp~9;havoc main_~retValue_acc~11;havoc main_~tmp~9; 30#L527true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 32#L535true main_#t~ret73 := valid_product_#res;main_~tmp~9 := main_#t~ret73;havoc main_#t~ret73; 36#L953true assume 0 != main_~tmp~9; 82#L930true havoc test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 94#L550-1true [2019-10-22 09:01:35,930 INFO L793 eck$LassoCheckResult]: Loop: 94#L550-1true assume !false; 91#L583true assume test_~splverifierCounter~0 < 4; 44#L584true test_~tmp~4 := test_#t~nondet48;havoc test_#t~nondet48; 60#L592true assume !(0 != test_~tmp~4); 62#L592-1true test_~tmp___0~1 := test_#t~nondet49;havoc test_#t~nondet49; 106#L602true assume !(0 != test_~tmp___0~1); 97#L602-1true test_~tmp___2~0 := test_#t~nondet50;havoc test_#t~nondet50; 31#L612true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 40#L620-1true assume !(0 != ~pumpRunning~0); 27#L651true assume !(0 != ~systemActive~0); 55#L658true havoc __utac_acc__Specification1_spec__1_#t~ret46, __utac_acc__Specification1_spec__1_#t~ret47, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 103#L456-1true __utac_acc__Specification1_spec__1_#t~ret46 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret46;havoc __utac_acc__Specification1_spec__1_#t~ret46; 93#L550true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3); 94#L550-1true [2019-10-22 09:01:35,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:35,945 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-10-22 09:01:35,955 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:35,955 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517224622] [2019-10-22 09:01:35,956 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:35,956 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:35,956 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:36,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:36,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:36,703 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:01:36,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:36,704 INFO L82 PathProgramCache]: Analyzing trace with hash -1670755444, now seen corresponding path program 1 times [2019-10-22 09:01:36,704 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:36,705 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378119061] [2019-10-22 09:01:36,705 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:36,705 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:36,705 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:36,755 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 09:01:36,755 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378119061] [2019-10-22 09:01:36,756 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:36,756 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:01:36,757 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771068935] [2019-10-22 09:01:36,765 INFO L808 eck$LassoCheckResult]: loop already infeasible [2019-10-22 09:01:36,766 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:36,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:01:36,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:01:36,784 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 3 states. [2019-10-22 09:01:36,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:36,873 INFO L93 Difference]: Finished difference Result 202 states and 288 transitions. [2019-10-22 09:01:36,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:01:36,881 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 202 states and 288 transitions. [2019-10-22 09:01:36,892 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 130 [2019-10-22 09:01:36,904 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 202 states to 188 states and 273 transitions. [2019-10-22 09:01:36,906 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 188 [2019-10-22 09:01:36,919 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 188 [2019-10-22 09:01:36,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 188 states and 273 transitions. [2019-10-22 09:01:36,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 09:01:36,921 INFO L688 BuchiCegarLoop]: Abstraction has 188 states and 273 transitions. [2019-10-22 09:01:36,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states and 273 transitions. [2019-10-22 09:01:36,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 186. [2019-10-22 09:01:36,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2019-10-22 09:01:36,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 270 transitions. [2019-10-22 09:01:36,969 INFO L711 BuchiCegarLoop]: Abstraction has 186 states and 270 transitions. [2019-10-22 09:01:36,969 INFO L591 BuchiCegarLoop]: Abstraction has 186 states and 270 transitions. [2019-10-22 09:01:36,969 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 09:01:36,969 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 186 states and 270 transitions. [2019-10-22 09:01:36,975 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 128 [2019-10-22 09:01:36,975 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:01:36,975 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:01:36,976 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 09:01:36,976 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:36,976 INFO L791 eck$LassoCheckResult]: Stem: 406#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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(13);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(80, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(117, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(109, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(112, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(32, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4; 337#L-1 havoc main_#res;havoc main_#t~ret73, main_~retValue_acc~11, main_~tmp~9;havoc main_~retValue_acc~11;havoc main_~tmp~9; 338#L527 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 358#L535 main_#t~ret73 := valid_product_#res;main_~tmp~9 := main_#t~ret73;havoc main_#t~ret73; 362#L953 assume 0 != main_~tmp~9; 368#L930 havoc test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 413#L550-1 [2019-10-22 09:01:36,976 INFO L793 eck$LassoCheckResult]: Loop: 413#L550-1 assume !false; 463#L583 assume test_~splverifierCounter~0 < 4; 374#L584 test_~tmp~4 := test_#t~nondet48;havoc test_#t~nondet48; 375#L592 assume !(0 != test_~tmp~4); 352#L592-1 test_~tmp___0~1 := test_#t~nondet49;havoc test_#t~nondet49; 391#L602 assume !(0 != test_~tmp___0~1); 408#L602-1 test_~tmp___2~0 := test_#t~nondet50;havoc test_#t~nondet50; 359#L612 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 360#L620-1 assume !(0 != ~pumpRunning~0); 354#L651 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret53, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 346#L709 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret52, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 348#L683-1 assume !(0 != ~pumpRunning~0); 321#L658 havoc __utac_acc__Specification1_spec__1_#t~ret46, __utac_acc__Specification1_spec__1_#t~ret47, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 386#L456-1 __utac_acc__Specification1_spec__1_#t~ret46 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret46;havoc __utac_acc__Specification1_spec__1_#t~ret46; 431#L550 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3); 413#L550-1 [2019-10-22 09:01:36,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:36,977 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-10-22 09:01:36,977 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:36,977 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991788027] [2019-10-22 09:01:36,977 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:36,977 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:36,978 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:37,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:37,333 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:01:37,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:37,333 INFO L82 PathProgramCache]: Analyzing trace with hash -1427585826, now seen corresponding path program 1 times [2019-10-22 09:01:37,334 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:37,334 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352556162] [2019-10-22 09:01:37,334 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:37,334 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:37,335 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:37,347 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:01:37,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:37,348 INFO L82 PathProgramCache]: Analyzing trace with hash 1021999224, now seen corresponding path program 1 times [2019-10-22 09:01:37,349 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:37,349 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245399574] [2019-10-22 09:01:37,349 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:37,349 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:37,349 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:37,683 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:01:56,497 WARN L191 SmtUtils]: Spent 18.69 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-10-22 09:02:08,385 WARN L191 SmtUtils]: Spent 11.89 s on a formula simplification that was a NOOP. DAG size: 449 [2019-10-22 09:02:08,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 09:02:08 BoogieIcfgContainer [2019-10-22 09:02:08,462 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 09:02:08,463 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:02:08,465 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:02:08,465 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:02:08,466 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:35" (3/4) ... [2019-10-22 09:02:08,469 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-10-22 09:02:08,536 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ff148e4e-dc07-4cf5-9cd7-456ae6c32abc/bin/uautomizer/witness.graphml [2019-10-22 09:02:08,536 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:02:08,538 INFO L168 Benchmark]: Toolchain (without parser) took 34343.37 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 304.1 MB). Free memory was 945.9 MB in the beginning and 1.0 GB in the end (delta: -102.0 MB). Peak memory consumption was 202.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:08,538 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:08,539 INFO L168 Benchmark]: CACSL2BoogieTranslator took 639.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -172.7 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:08,539 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.94 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: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:08,539 INFO L168 Benchmark]: Boogie Preprocessor took 44.74 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 09:02:08,540 INFO L168 Benchmark]: RCFGBuilder took 848.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.0 MB). Peak memory consumption was 73.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:08,540 INFO L168 Benchmark]: BuchiAutomizer took 32676.23 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 166.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -23.6 MB). Peak memory consumption was 401.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:08,540 INFO L168 Benchmark]: Witness Printer took 73.09 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:08,542 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 639.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -172.7 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.94 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: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 848.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.0 MB). Peak memory consumption was 73.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 32676.23 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 166.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -23.6 MB). Peak memory consumption was 401.9 MB. Max. memory is 11.5 GB. * Witness Printer took 73.09 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 186 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 32.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 32.2s. 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 186 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 146 SDtfs, 142 SDslu, 134 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: 582]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=108} State at position 1 is {NULL=0, NULL=0, NULL=108, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32c9e57d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b5f59ea=0, NULL=-8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f6c8959=0, NULL=0, NULL=0, NULL=-5, NULL=-22, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@34a2ed75=0, NULL=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@794c0701=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a01828a=52, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@68fd2ace=0, NULL=0, tmp=0, NULL=0, NULL=0, tmp___1=0, NULL=-12, NULL=-18, NULL=-24, tmp___0=0, NULL=-13, NULL=-10, cleanupTimeShifts=4, NULL=-14, NULL=-15, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=-3, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=-16, NULL=0, retValue_acc=0, \result=1, NULL=-23, head=0, pumpRunning=0, NULL=-4, \result=0, NULL=-19, NULL=0, NULL=0, tmp=0, NULL=0, NULL=-7, NULL=107, retValue_acc=1, NULL=-20, NULL=0, tmp___2=52, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@133db967=0, NULL=-2, tmp___0=0, splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@17410ba6=0, NULL=0, \result=0, NULL=-1, head=0, NULL=0, NULL=-21, tmp=1, tmp=0, NULL=-17, NULL=0, NULL=-11, NULL=0, NULL=0, NULL=-9, NULL=-6, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L413] int waterLevel = 1; [L414] int methaneLevelCritical = 0; [L644] int pumpRunning = 0; [L645] int systemActive = 1; [L871] int cleanupTimeShifts = 4; [L944] int retValue_acc ; [L945] int tmp ; [L531] int retValue_acc ; [L534] retValue_acc = 1 [L535] return (retValue_acc); [L951] tmp = valid_product() [L953] COND TRUE \read(tmp) [L573] int splverifierCounter ; [L574] int tmp ; [L575] int tmp___0 ; [L576] int tmp___1 ; [L577] int tmp___2 ; [L580] splverifierCounter = 0 Loop: [L582] COND TRUE 1 [L584] COND TRUE splverifierCounter < 4 [L590] tmp = __VERIFIER_nondet_int() [L592] COND FALSE !(\read(tmp)) [L600] tmp___0 = __VERIFIER_nondet_int() [L602] COND FALSE !(\read(tmp___0)) [L610] tmp___2 = __VERIFIER_nondet_int() [L612] COND TRUE \read(tmp___2) [L857] systemActive = 1 [L651] COND FALSE !(\read(pumpRunning)) [L658] COND TRUE \read(systemActive) [L706] int tmp ; [L709] COND FALSE !(\read(pumpRunning)) [L680] int tmp ; [L683] COND FALSE !(\read(pumpRunning)) [L543] int tmp ; [L544] int tmp___0 ; [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); [L548] tmp = isMethaneLevelCritical() [L550] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...