./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product55_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f6f93d51-7568-4cf0-a5cf-0cde7512aa3e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f6f93d51-7568-4cf0-a5cf-0cde7512aa3e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f6f93d51-7568-4cf0-a5cf-0cde7512aa3e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f6f93d51-7568-4cf0-a5cf-0cde7512aa3e/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product55_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f6f93d51-7568-4cf0-a5cf-0cde7512aa3e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f6f93d51-7568-4cf0-a5cf-0cde7512aa3e/bin-2019/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 d3b2c25dcf3994b536a04bc5bf3e1c9a29f5c50b ................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.23-0cd3be1 [2018-11-28 10:33:59,207 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 10:33:59,208 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 10:33:59,217 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 10:33:59,217 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 10:33:59,218 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 10:33:59,219 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 10:33:59,220 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 10:33:59,221 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 10:33:59,221 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 10:33:59,222 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 10:33:59,222 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 10:33:59,222 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 10:33:59,223 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 10:33:59,223 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 10:33:59,223 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 10:33:59,224 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 10:33:59,225 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 10:33:59,227 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 10:33:59,227 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 10:33:59,228 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 10:33:59,229 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 10:33:59,231 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 10:33:59,231 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 10:33:59,231 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 10:33:59,232 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 10:33:59,233 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 10:33:59,233 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 10:33:59,234 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 10:33:59,235 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 10:33:59,235 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 10:33:59,236 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 10:33:59,236 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 10:33:59,236 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 10:33:59,236 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 10:33:59,237 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 10:33:59,237 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f6f93d51-7568-4cf0-a5cf-0cde7512aa3e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 10:33:59,248 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 10:33:59,248 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 10:33:59,249 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 10:33:59,249 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 10:33:59,250 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 10:33:59,250 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 10:33:59,250 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 10:33:59,250 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 10:33:59,250 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 10:33:59,250 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 10:33:59,250 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 10:33:59,251 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 10:33:59,251 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 10:33:59,251 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 10:33:59,251 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 10:33:59,251 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 10:33:59,251 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 10:33:59,251 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 10:33:59,251 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 10:33:59,252 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 10:33:59,252 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 10:33:59,252 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 10:33:59,252 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 10:33:59,252 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 10:33:59,252 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 10:33:59,252 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 10:33:59,253 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 10:33:59,253 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 10:33:59,253 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 10:33:59,253 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 10:33:59,253 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 10:33:59,254 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 10:33:59,254 INFO L133 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_f6f93d51-7568-4cf0-a5cf-0cde7512aa3e/bin-2019/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 -> d3b2c25dcf3994b536a04bc5bf3e1c9a29f5c50b [2018-11-28 10:33:59,278 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 10:33:59,287 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 10:33:59,289 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 10:33:59,291 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 10:33:59,291 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 10:33:59,291 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f6f93d51-7568-4cf0-a5cf-0cde7512aa3e/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product55_true-unreach-call_false-termination.cil.c [2018-11-28 10:33:59,339 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f6f93d51-7568-4cf0-a5cf-0cde7512aa3e/bin-2019/uautomizer/data/674293b58/a112e84c52cf43a8baffad8be7901831/FLAGd7561f2f3 [2018-11-28 10:33:59,763 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 10:33:59,763 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f6f93d51-7568-4cf0-a5cf-0cde7512aa3e/sv-benchmarks/c/product-lines/minepump_spec2_product55_true-unreach-call_false-termination.cil.c [2018-11-28 10:33:59,769 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f6f93d51-7568-4cf0-a5cf-0cde7512aa3e/bin-2019/uautomizer/data/674293b58/a112e84c52cf43a8baffad8be7901831/FLAGd7561f2f3 [2018-11-28 10:33:59,778 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f6f93d51-7568-4cf0-a5cf-0cde7512aa3e/bin-2019/uautomizer/data/674293b58/a112e84c52cf43a8baffad8be7901831 [2018-11-28 10:33:59,779 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 10:33:59,780 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 10:33:59,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 10:33:59,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 10:33:59,784 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 10:33:59,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:33:59" (1/1) ... [2018-11-28 10:33:59,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d835ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:59, skipping insertion in model container [2018-11-28 10:33:59,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:33:59" (1/1) ... [2018-11-28 10:33:59,791 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 10:33:59,819 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 10:34:00,002 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:34:00,013 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 10:34:00,117 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:34:00,140 INFO L195 MainTranslator]: Completed translation [2018-11-28 10:34:00,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:00 WrapperNode [2018-11-28 10:34:00,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 10:34:00,141 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 10:34:00,141 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 10:34:00,141 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 10:34:00,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:00" (1/1) ... [2018-11-28 10:34:00,162 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:00" (1/1) ... [2018-11-28 10:34:00,197 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 10:34:00,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 10:34:00,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 10:34:00,197 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 10:34:00,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:00" (1/1) ... [2018-11-28 10:34:00,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:00" (1/1) ... [2018-11-28 10:34:00,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:00" (1/1) ... [2018-11-28 10:34:00,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:00" (1/1) ... [2018-11-28 10:34:00,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:00" (1/1) ... [2018-11-28 10:34:00,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:00" (1/1) ... [2018-11-28 10:34:00,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:00" (1/1) ... [2018-11-28 10:34:00,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 10:34:00,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 10:34:00,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 10:34:00,238 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 10:34:00,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f6f93d51-7568-4cf0-a5cf-0cde7512aa3e/bin-2019/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 [2018-11-28 10:34:00,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 10:34:00,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 10:34:00,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 10:34:00,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 10:34:00,929 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 10:34:00,929 INFO L280 CfgBuilder]: Removed 282 assue(true) statements. [2018-11-28 10:34:00,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:34:00 BoogieIcfgContainer [2018-11-28 10:34:00,929 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 10:34:00,930 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 10:34:00,930 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 10:34:00,933 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 10:34:00,934 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 10:34:00,934 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 10:33:59" (1/3) ... [2018-11-28 10:34:00,935 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21c18308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 10:34:00, skipping insertion in model container [2018-11-28 10:34:00,935 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 10:34:00,935 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:00" (2/3) ... [2018-11-28 10:34:00,935 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21c18308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 10:34:00, skipping insertion in model container [2018-11-28 10:34:00,935 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 10:34:00,935 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:34:00" (3/3) ... [2018-11-28 10:34:00,937 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product55_true-unreach-call_false-termination.cil.c [2018-11-28 10:34:00,974 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 10:34:00,974 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 10:34:00,974 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 10:34:00,974 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 10:34:00,974 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 10:34:00,974 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 10:34:00,975 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 10:34:00,975 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 10:34:00,975 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 10:34:00,988 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 192 states. [2018-11-28 10:34:01,011 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 125 [2018-11-28 10:34:01,012 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 10:34:01,012 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 10:34:01,017 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:34:01,017 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:34:01,018 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 10:34:01,018 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 192 states. [2018-11-28 10:34:01,024 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 125 [2018-11-28 10:34:01,024 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 10:34:01,024 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 10:34:01,025 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:34:01,025 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:34:01,029 INFO L794 eck$LassoCheckResult]: Stem: 166#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string20.base, #t~string20.offset := #Ultimate.alloc(13);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(80, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(117, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(109, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(112, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(110, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 3 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(32, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(21);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(30);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(25);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 11#L-1true havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10; 15#L65true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 9#L73true main_#t~ret74 := valid_product_#res;main_~tmp~10 := main_#t~ret74;havoc main_#t~ret74; 162#L991true assume 0 != main_~tmp~10; 69#L967true ~methAndRunningLastTime~0 := 0; 176#L875true havoc test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 178#L886-1true [2018-11-28 10:34:01,029 INFO L796 eck$LassoCheckResult]: Loop: 178#L886-1true assume !false; 192#L203true assume test_~splverifierCounter~0 < 4; 135#L204true test_~tmp~0 := test_#t~nondet11;havoc test_#t~nondet11; 123#L212true assume !(0 != test_~tmp~0); 120#L212-1true test_~tmp___0~0 := test_#t~nondet12;havoc test_#t~nondet12; 190#L222true assume !(0 != test_~tmp___0~0); 189#L222-1true test_~tmp___2~0 := test_#t~nondet13;havoc test_#t~nondet13; 60#L232true assume 0 != test_~tmp___2~0; 44#L238-1true assume !(0 != ~pumpRunning~0); 26#L271true assume !(0 != ~systemActive~0); 168#L278true havoc __utac_acc__Specification2_spec__2_#t~ret72, __utac_acc__Specification2_spec__2_#t~ret73, __utac_acc__Specification2_spec__2_~tmp~9, __utac_acc__Specification2_spec__2_~tmp___0~3;havoc __utac_acc__Specification2_spec__2_~tmp~9;havoc __utac_acc__Specification2_spec__2_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 182#L129-1true __utac_acc__Specification2_spec__2_#t~ret72 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~9 := __utac_acc__Specification2_spec__2_#t~ret72;havoc __utac_acc__Specification2_spec__2_#t~ret72; 175#L886true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~9);~methAndRunningLastTime~0 := 0; 178#L886-1true [2018-11-28 10:34:01,034 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:34:01,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2018-11-28 10:34:01,035 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:34:01,036 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:34:01,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:01,064 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:34:01,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:34:01,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:34:01,185 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:34:01,185 INFO L82 PathProgramCache]: Analyzing trace with hash 16390483, now seen corresponding path program 1 times [2018-11-28 10:34:01,185 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:34:01,185 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:34:01,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:01,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:34:01,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:01,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:34:01,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:34:01,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:34:01,199 INFO L82 PathProgramCache]: Analyzing trace with hash 849686989, now seen corresponding path program 1 times [2018-11-28 10:34:01,199 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:34:01,199 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:34:01,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:01,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:34:01,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:34:01,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:34:01,308 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:34:01,308 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 10:34:01,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 10:34:01,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 10:34:01,423 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 6 states. [2018-11-28 10:34:01,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:34:01,553 INFO L93 Difference]: Finished difference Result 430 states and 637 transitions. [2018-11-28 10:34:01,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 10:34:01,556 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 430 states and 637 transitions. [2018-11-28 10:34:01,562 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 279 [2018-11-28 10:34:01,569 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 430 states to 409 states and 616 transitions. [2018-11-28 10:34:01,571 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 409 [2018-11-28 10:34:01,572 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 409 [2018-11-28 10:34:01,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 409 states and 616 transitions. [2018-11-28 10:34:01,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 10:34:01,574 INFO L705 BuchiCegarLoop]: Abstraction has 409 states and 616 transitions. [2018-11-28 10:34:01,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states and 616 transitions. [2018-11-28 10:34:01,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 229. [2018-11-28 10:34:01,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2018-11-28 10:34:01,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 343 transitions. [2018-11-28 10:34:01,607 INFO L728 BuchiCegarLoop]: Abstraction has 229 states and 343 transitions. [2018-11-28 10:34:01,608 INFO L608 BuchiCegarLoop]: Abstraction has 229 states and 343 transitions. [2018-11-28 10:34:01,608 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 10:34:01,608 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 229 states and 343 transitions. [2018-11-28 10:34:01,610 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 156 [2018-11-28 10:34:01,610 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 10:34:01,610 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 10:34:01,611 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:34:01,611 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:34:01,612 INFO L794 eck$LassoCheckResult]: Stem: 817#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string20.base, #t~string20.offset := #Ultimate.alloc(13);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(80, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(117, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(109, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(112, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(110, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 3 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(32, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(21);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(30);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(25);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 654#L-1 havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10; 655#L65 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 651#L73 main_#t~ret74 := valid_product_#res;main_~tmp~10 := main_#t~ret74;havoc main_#t~ret74; 652#L991 assume 0 != main_~tmp~10; 739#L967 ~methAndRunningLastTime~0 := 0; 740#L875 havoc test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 748#L886-1 [2018-11-28 10:34:01,612 INFO L796 eck$LassoCheckResult]: Loop: 748#L886-1 assume !false; 825#L203 assume test_~splverifierCounter~0 < 4; 803#L204 test_~tmp~0 := test_#t~nondet11;havoc test_#t~nondet11; 791#L212 assume !(0 != test_~tmp~0); 787#L212-1 test_~tmp___0~0 := test_#t~nondet12;havoc test_#t~nondet12; 788#L222 assume !(0 != test_~tmp___0~0); 761#L222-1 test_~tmp___2~0 := test_#t~nondet13;havoc test_#t~nondet13; 732#L232 assume 0 != test_~tmp___2~0; 708#L238-1 assume !(0 != ~pumpRunning~0); 677#L271 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret17, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 678#L355 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret16, processEnvironment__wrappee__lowWaterSensor_~tmp~2;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~2; 661#L329-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret15, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 663#L303-3 assume !(0 == ~pumpRunning~0); 660#L278 havoc __utac_acc__Specification2_spec__2_#t~ret72, __utac_acc__Specification2_spec__2_#t~ret73, __utac_acc__Specification2_spec__2_~tmp~9, __utac_acc__Specification2_spec__2_~tmp___0~3;havoc __utac_acc__Specification2_spec__2_~tmp~9;havoc __utac_acc__Specification2_spec__2_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 819#L129-1 __utac_acc__Specification2_spec__2_#t~ret72 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~9 := __utac_acc__Specification2_spec__2_#t~ret72;havoc __utac_acc__Specification2_spec__2_#t~ret72; 824#L886 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~9);~methAndRunningLastTime~0 := 0; 748#L886-1 [2018-11-28 10:34:01,612 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:34:01,616 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2018-11-28 10:34:01,617 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:34:01,617 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:34:01,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:01,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:34:01,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:34:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:34:01,659 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:34:01,660 INFO L82 PathProgramCache]: Analyzing trace with hash 566198012, now seen corresponding path program 1 times [2018-11-28 10:34:01,660 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:34:01,660 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:34:01,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:01,661 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 10:34:01,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:01,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:34:01,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:34:01,682 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:34:01,682 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 10:34:01,682 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 10:34:01,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 10:34:01,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 10:34:01,683 INFO L87 Difference]: Start difference. First operand 229 states and 343 transitions. cyclomatic complexity: 117 Second operand 3 states. [2018-11-28 10:34:01,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:34:01,798 INFO L93 Difference]: Finished difference Result 235 states and 329 transitions. [2018-11-28 10:34:01,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 10:34:01,800 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 235 states and 329 transitions. [2018-11-28 10:34:01,802 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 164 [2018-11-28 10:34:01,804 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 235 states to 235 states and 329 transitions. [2018-11-28 10:34:01,804 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 235 [2018-11-28 10:34:01,804 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 235 [2018-11-28 10:34:01,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 235 states and 329 transitions. [2018-11-28 10:34:01,806 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 10:34:01,806 INFO L705 BuchiCegarLoop]: Abstraction has 235 states and 329 transitions. [2018-11-28 10:34:01,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states and 329 transitions. [2018-11-28 10:34:01,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2018-11-28 10:34:01,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-11-28 10:34:01,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 329 transitions. [2018-11-28 10:34:01,815 INFO L728 BuchiCegarLoop]: Abstraction has 235 states and 329 transitions. [2018-11-28 10:34:01,815 INFO L608 BuchiCegarLoop]: Abstraction has 235 states and 329 transitions. [2018-11-28 10:34:01,815 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 10:34:01,815 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 235 states and 329 transitions. [2018-11-28 10:34:01,817 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 164 [2018-11-28 10:34:01,817 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 10:34:01,818 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 10:34:01,818 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:34:01,818 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:34:01,819 INFO L794 eck$LassoCheckResult]: Stem: 1257#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string20.base, #t~string20.offset := #Ultimate.alloc(13);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(80, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(117, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(109, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(112, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(110, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 3 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(32, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(21);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(30);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(25);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 1124#L-1 havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10; 1125#L65 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 1122#L73 main_#t~ret74 := valid_product_#res;main_~tmp~10 := main_#t~ret74;havoc main_#t~ret74; 1123#L991 assume 0 != main_~tmp~10; 1201#L967 ~methAndRunningLastTime~0 := 0; 1202#L875 havoc test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1267#L886-1 [2018-11-28 10:34:01,819 INFO L796 eck$LassoCheckResult]: Loop: 1267#L886-1 assume !false; 1330#L203 assume test_~splverifierCounter~0 < 4; 1331#L204 test_~tmp~0 := test_#t~nondet11;havoc test_#t~nondet11; 1344#L212 assume !(0 != test_~tmp~0); 1342#L212-1 test_~tmp___0~0 := test_#t~nondet12;havoc test_#t~nondet12; 1341#L222 assume !(0 != test_~tmp___0~0); 1339#L222-1 test_~tmp___2~0 := test_#t~nondet13;havoc test_#t~nondet13; 1196#L232 assume 0 != test_~tmp___2~0; 1173#L238-1 assume !(0 != ~pumpRunning~0); 1145#L271 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret17, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 1146#L355 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret16, processEnvironment__wrappee__lowWaterSensor_~tmp~2;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~2; 1132#L329-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret15, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 1133#L303-3 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret35, isHighWaterLevel_~retValue_acc~8, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~8;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~4;havoc isHighWaterSensorDry_~retValue_acc~4; 1149#L169-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~4 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~4; 1150#L174-3 isHighWaterLevel_#t~ret35 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret35;havoc isHighWaterLevel_#t~ret35; 1225#L457-9 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; 1224#L457-11 isHighWaterLevel_~retValue_acc~8 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~8; 1215#L463-3 processEnvironment__wrappee__highWaterSensor_#t~ret15 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret15;havoc processEnvironment__wrappee__highWaterSensor_#t~ret15; 1140#L307-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1); 1131#L278 havoc __utac_acc__Specification2_spec__2_#t~ret72, __utac_acc__Specification2_spec__2_#t~ret73, __utac_acc__Specification2_spec__2_~tmp~9, __utac_acc__Specification2_spec__2_~tmp___0~3;havoc __utac_acc__Specification2_spec__2_~tmp~9;havoc __utac_acc__Specification2_spec__2_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 1336#L129-1 __utac_acc__Specification2_spec__2_#t~ret72 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~9 := __utac_acc__Specification2_spec__2_#t~ret72;havoc __utac_acc__Specification2_spec__2_#t~ret72; 1334#L886 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~9);~methAndRunningLastTime~0 := 0; 1267#L886-1 [2018-11-28 10:34:01,819 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:34:01,819 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2018-11-28 10:34:01,819 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:34:01,820 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:34:01,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:01,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:34:01,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:34:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:34:01,857 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:34:01,858 INFO L82 PathProgramCache]: Analyzing trace with hash -746930584, now seen corresponding path program 1 times [2018-11-28 10:34:01,858 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:34:01,858 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:34:01,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:01,859 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 10:34:01,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:34:01,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:34:01,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:34:01,872 INFO L82 PathProgramCache]: Analyzing trace with hash -1614115026, now seen corresponding path program 1 times [2018-11-28 10:34:01,872 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:34:01,872 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:34:01,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:01,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:34:01,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:01,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:34:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:34:05,605 WARN L180 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 429 DAG size of output: 427 [2018-11-28 10:34:07,238 WARN L180 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 425 [2018-11-28 10:34:07,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 10:34:07 BoogieIcfgContainer [2018-11-28 10:34:07,276 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 10:34:07,276 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 10:34:07,276 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 10:34:07,276 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 10:34:07,277 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:34:00" (3/4) ... [2018-11-28 10:34:07,279 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 10:34:07,319 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f6f93d51-7568-4cf0-a5cf-0cde7512aa3e/bin-2019/uautomizer/witness.graphml [2018-11-28 10:34:07,319 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 10:34:07,319 INFO L168 Benchmark]: Toolchain (without parser) took 7539.67 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 317.7 MB). Free memory was 950.6 MB in the beginning and 913.5 MB in the end (delta: 37.2 MB). Peak memory consumption was 354.9 MB. Max. memory is 11.5 GB. [2018-11-28 10:34:07,320 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 10:34:07,320 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. [2018-11-28 10:34:07,320 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.99 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-28 10:34:07,321 INFO L168 Benchmark]: Boogie Preprocessor took 40.99 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-28 10:34:07,321 INFO L168 Benchmark]: RCFGBuilder took 691.28 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: 85.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 11.5 GB. [2018-11-28 10:34:07,323 INFO L168 Benchmark]: BuchiAutomizer took 6345.88 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 177.7 MB). Free memory was 1.0 GB in the beginning and 923.0 MB in the end (delta: 111.2 MB). Peak memory consumption was 326.0 MB. Max. memory is 11.5 GB. [2018-11-28 10:34:07,323 INFO L168 Benchmark]: Witness Printer took 42.77 ms. Allocated memory is still 1.3 GB. Free memory was 923.0 MB in the beginning and 913.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2018-11-28 10:34:07,324 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 359.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.99 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.99 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 691.28 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: 85.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6345.88 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 177.7 MB). Free memory was 1.0 GB in the beginning and 923.0 MB in the end (delta: 111.2 MB). Peak memory consumption was 326.0 MB. Max. memory is 11.5 GB. * Witness Printer took 42.77 ms. Allocated memory is still 1.3 GB. Free memory was 923.0 MB in the beginning and 913.5 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 235 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 5.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 180 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 235 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 502 SDtfs, 1249 SDslu, 1178 SDs, 0 SdLazy, 85 SolverSat, 44 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 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: 202]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, NULL=0, NULL=34, NULL=19, NULL=0, NULL=12, NULL=27, methaneLevelCritical=0, NULL=35, tmp=0, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2c6c8fa4=0, NULL=33, NULL=0, NULL=22, tmp___1=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=16, NULL=24, cleanupTimeShifts=4, tmp=0, tmp=0, NULL=15, tmp=1, NULL=0, systemActive=1, waterLevel=1, NULL=11, NULL=0, NULL=0, NULL=18, \result=0, retValue_acc=0, NULL=0, tmp___0=0, NULL=17, NULL=0, NULL=0, NULL=0, NULL=0, NULL=36, \result=1, retValue_acc=0, head=0, pumpRunning=0, NULL=8, \result=0, retValue_acc=1, NULL=26, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10fa19cd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6eca3af=0, NULL=0, \result=1, NULL=38, NULL=28, tmp=1, retValue_acc=1, tmp___0=0, tmp___2=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@878c787=0, NULL=14, NULL=29, splverifierCounter=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@360098b2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7eeca956=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6853036=56, NULL=23, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d242390=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a947972=0, tmp=0, head=0, NULL=0, NULL=0, NULL=31, NULL=0, NULL=0, NULL=37, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e6cb746=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ffc5177=0, NULL=20, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L86] int waterLevel = 1; [L87] int methaneLevelCritical = 0; [L263] int pumpRunning = 0; [L264] int systemActive = 1; [L671] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L869] int methAndRunningLastTime ; [L908] int cleanupTimeShifts = 4; [L982] int retValue_acc ; [L983] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L989] tmp = valid_product() [L991] COND TRUE \read(tmp) [L874] methAndRunningLastTime = 0 [L193] int splverifierCounter ; [L194] int tmp ; [L195] int tmp___0 ; [L196] int tmp___1 ; [L197] int tmp___2 ; [L200] splverifierCounter = 0 Loop: [L202] COND TRUE 1 [L204] COND TRUE splverifierCounter < 4 [L210] tmp = __VERIFIER_nondet_int() [L212] COND FALSE !(\read(tmp)) [L220] tmp___0 = __VERIFIER_nondet_int() [L222] COND FALSE !(\read(tmp___0)) [L230] tmp___2 = __VERIFIER_nondet_int() [L232] COND TRUE \read(tmp___2) [L271] COND FALSE !(\read(pumpRunning)) [L278] COND TRUE \read(systemActive) [L352] int tmp ; [L355] COND FALSE !(\read(pumpRunning)) [L326] int tmp ; [L329] COND FALSE !(\read(pumpRunning)) [L300] int tmp ; [L303] COND TRUE ! pumpRunning [L449] int retValue_acc ; [L450] int tmp ; [L451] int tmp___0 ; [L166] int retValue_acc ; [L169] COND TRUE waterLevel < 2 [L170] retValue_acc = 1 [L171] return (retValue_acc); [L455] tmp = isHighWaterSensorDry() [L457] COND TRUE \read(tmp) [L458] tmp___0 = 0 [L462] retValue_acc = tmp___0 [L463] return (retValue_acc); [L305] tmp = isHighWaterLevel() [L307] COND FALSE !(\read(tmp)) [L879] int tmp ; [L880] int tmp___0 ; [L125] int retValue_acc ; [L128] retValue_acc = methaneLevelCritical [L129] return (retValue_acc); [L884] tmp = isMethaneLevelCritical() [L886] COND FALSE !(\read(tmp)) [L902] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...