./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec1_product20_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec1_product20_true-unreach-call_false-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 fdf87a043cfa0322a32123bf9fd837be20929f79 ........................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-91b1670 [2018-11-28 23:54:40,002 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:54:40,004 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:54:40,024 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:54:40,024 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:54:40,025 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:54:40,026 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:54:40,029 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:54:40,030 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:54:40,031 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:54:40,032 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:54:40,033 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:54:40,034 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:54:40,035 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:54:40,036 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:54:40,037 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:54:40,038 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:54:40,040 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:54:40,042 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:54:40,044 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:54:40,045 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:54:40,047 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:54:40,050 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:54:40,050 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:54:40,050 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:54:40,051 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:54:40,054 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:54:40,055 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:54:40,058 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:54:40,061 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:54:40,061 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:54:40,062 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:54:40,062 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:54:40,062 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:54:40,066 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:54:40,068 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:54:40,069 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:54:40,094 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:54:40,094 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:54:40,095 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:54:40,095 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:54:40,096 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:54:40,096 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:54:40,096 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:54:40,097 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:54:40,097 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:54:40,097 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:54:40,097 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:54:40,097 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:54:40,097 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:54:40,098 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:54:40,099 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:54:40,099 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:54:40,099 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:54:40,099 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:54:40,099 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:54:40,099 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:54:40,100 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:54:40,100 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:54:40,100 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:54:40,100 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:54:40,100 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:54:40,100 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:54:40,102 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:54:40,102 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:54:40,103 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:54:40,103 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:54:40,103 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:54:40,104 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:54:40,105 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> fdf87a043cfa0322a32123bf9fd837be20929f79 [2018-11-28 23:54:40,159 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:54:40,174 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:54:40,179 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:54:40,180 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:54:40,181 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:54:40,181 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec1_product20_true-unreach-call_false-termination.cil.c [2018-11-28 23:54:40,240 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5e7070c3/f299c38ebc044bc9b109a8d3a3c8c8a0/FLAG618856256 [2018-11-28 23:54:40,826 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:54:40,826 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec1_product20_true-unreach-call_false-termination.cil.c [2018-11-28 23:54:40,849 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5e7070c3/f299c38ebc044bc9b109a8d3a3c8c8a0/FLAG618856256 [2018-11-28 23:54:41,099 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5e7070c3/f299c38ebc044bc9b109a8d3a3c8c8a0 [2018-11-28 23:54:41,104 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:54:41,106 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:54:41,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:54:41,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:54:41,111 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:54:41,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:54:41" (1/1) ... [2018-11-28 23:54:41,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@891bbf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:54:41, skipping insertion in model container [2018-11-28 23:54:41,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:54:41" (1/1) ... [2018-11-28 23:54:41,128 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:54:41,184 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:54:41,534 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:54:41,565 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:54:41,760 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:54:41,799 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:54:41,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:54:41 WrapperNode [2018-11-28 23:54:41,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:54:41,801 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:54:41,801 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:54:41,801 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:54:41,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:54:41" (1/1) ... [2018-11-28 23:54:41,829 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:54:41" (1/1) ... [2018-11-28 23:54:41,872 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:54:41,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:54:41,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:54:41,873 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:54:41,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:54:41" (1/1) ... [2018-11-28 23:54:41,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:54:41" (1/1) ... [2018-11-28 23:54:41,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:54:41" (1/1) ... [2018-11-28 23:54:41,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:54:41" (1/1) ... [2018-11-28 23:54:41,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:54:41" (1/1) ... [2018-11-28 23:54:41,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:54:41" (1/1) ... [2018-11-28 23:54:41,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:54:41" (1/1) ... [2018-11-28 23:54:41,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:54:41,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:54:41,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:54:41,921 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:54:41,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:54:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 23:54:41,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:54:41,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 23:54:41,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:54:41,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:54:43,083 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:54:43,084 INFO L280 CfgBuilder]: Removed 102 assue(true) statements. [2018-11-28 23:54:43,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:54:43 BoogieIcfgContainer [2018-11-28 23:54:43,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:54:43,085 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:54:43,085 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:54:43,088 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:54:43,089 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:54:43,089 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:54:41" (1/3) ... [2018-11-28 23:54:43,090 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59a9cf75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:54:43, skipping insertion in model container [2018-11-28 23:54:43,091 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:54:43,091 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:54:41" (2/3) ... [2018-11-28 23:54:43,091 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59a9cf75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:54:43, skipping insertion in model container [2018-11-28 23:54:43,091 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:54:43,092 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:54:43" (3/3) ... [2018-11-28 23:54:43,093 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product20_true-unreach-call_false-termination.cil.c [2018-11-28 23:54:43,148 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:54:43,149 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:54:43,149 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:54:43,149 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:54:43,149 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:54:43,150 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:54:43,150 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:54:43,150 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:54:43,150 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:54:43,167 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2018-11-28 23:54:43,194 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2018-11-28 23:54:43,195 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:54:43,195 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:54:43,204 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:54:43,204 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:54:43,204 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:54:43,205 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2018-11-28 23:54:43,211 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2018-11-28 23:54:43,211 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:54:43,211 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:54:43,213 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:54:43,213 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:54:43,218 INFO L794 eck$LassoCheckResult]: Stem: 35#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string25.base, #t~string25.offset := #Ultimate.alloc(13);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(77, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(101, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(116, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(104, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string29.base, #t~string29.offset, 1);call write~init~int(82, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(73, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(84, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 4 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(75, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(21);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~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(25);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); 13#L-1true havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 29#L885true havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 38#L893true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 36#L139true assume 0 != main_~tmp~0; 57#L112true havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 66#L906-1true [2018-11-28 23:54:43,219 INFO L796 eck$LassoCheckResult]: Loop: 66#L906-1true assume !false; 45#L166true assume test_~splverifierCounter~0 < 4; 61#L167true test_~tmp~1 := test_#t~nondet1;havoc test_#t~nondet1; 3#L175true assume !(0 != test_~tmp~1); 22#L175-1true test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 75#L185true assume !(0 != test_~tmp___0~0); 72#L185-1true test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 53#L195true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 67#L203-1true assume !(0 != ~pumpRunning~0); 43#L239true assume !(0 != ~systemActive~0); 50#L246true havoc __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_#t~ret71, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 44#L451true __utac_acc__Specification1_spec__1_#t~ret70 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret70;havoc __utac_acc__Specification1_spec__1_#t~ret70; 11#L906true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 66#L906-1true [2018-11-28 23:54:43,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:54:43,226 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-11-28 23:54:43,228 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:54:43,229 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:54:43,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:54:43,285 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:54:43,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:54:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:54:43,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:54:43,527 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:54:43,527 INFO L82 PathProgramCache]: Analyzing trace with hash -1672140724, now seen corresponding path program 1 times [2018-11-28 23:54:43,527 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:54:43,527 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:54:43,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:54:43,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:54:43,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:54:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:54:43,643 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 23:54:43,646 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:54:43,647 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:54:43,653 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 23:54:43,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:54:43,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:54:43,677 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 3 states. [2018-11-28 23:54:43,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:54:43,932 INFO L93 Difference]: Finished difference Result 142 states and 198 transitions. [2018-11-28 23:54:43,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:54:43,937 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 198 transitions. [2018-11-28 23:54:43,947 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 90 [2018-11-28 23:54:43,956 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 128 states and 183 transitions. [2018-11-28 23:54:43,958 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 128 [2018-11-28 23:54:43,959 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 128 [2018-11-28 23:54:43,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 128 states and 183 transitions. [2018-11-28 23:54:43,961 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:54:43,961 INFO L705 BuchiCegarLoop]: Abstraction has 128 states and 183 transitions. [2018-11-28 23:54:43,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states and 183 transitions. [2018-11-28 23:54:43,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2018-11-28 23:54:43,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-11-28 23:54:44,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 180 transitions. [2018-11-28 23:54:44,003 INFO L728 BuchiCegarLoop]: Abstraction has 126 states and 180 transitions. [2018-11-28 23:54:44,003 INFO L608 BuchiCegarLoop]: Abstraction has 126 states and 180 transitions. [2018-11-28 23:54:44,003 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:54:44,003 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 180 transitions. [2018-11-28 23:54:44,006 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 88 [2018-11-28 23:54:44,007 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:54:44,007 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:54:44,007 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:54:44,008 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:54:44,008 INFO L794 eck$LassoCheckResult]: Stem: 272#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string25.base, #t~string25.offset := #Ultimate.alloc(13);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(77, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(101, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(116, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(104, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string29.base, #t~string29.offset, 1);call write~init~int(82, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(73, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(84, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 4 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(75, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(21);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~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(25);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); 245#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 246#L885 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 267#L893 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 273#L139 assume 0 != main_~tmp~0; 274#L112 havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 229#L906-1 [2018-11-28 23:54:44,008 INFO L796 eck$LassoCheckResult]: Loop: 229#L906-1 assume !false; 311#L166 assume test_~splverifierCounter~0 < 4; 310#L167 test_~tmp~1 := test_#t~nondet1;havoc test_#t~nondet1; 309#L175 assume !(0 != test_~tmp~1); 307#L175-1 test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 306#L185 assume !(0 != test_~tmp___0~0); 304#L185-1 test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 292#L195 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 293#L203-1 assume !(0 != ~pumpRunning~0); 271#L239 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 281#L271 assume !(0 != ~pumpRunning~0); 315#L246 havoc __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_#t~ret71, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 314#L451 __utac_acc__Specification1_spec__1_#t~ret70 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret70;havoc __utac_acc__Specification1_spec__1_#t~ret70; 241#L906 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 229#L906-1 [2018-11-28 23:54:44,013 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:54:44,013 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-11-28 23:54:44,013 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:54:44,013 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:54:44,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:54:44,015 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:54:44,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:54:44,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:54:44,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:54:44,105 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:54:44,105 INFO L82 PathProgramCache]: Analyzing trace with hash -323747813, now seen corresponding path program 1 times [2018-11-28 23:54:44,105 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:54:44,105 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:54:44,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:54:44,107 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:54:44,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:54:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:54:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:54:44,131 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:54:44,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1279291713, now seen corresponding path program 1 times [2018-11-28 23:54:44,132 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:54:44,132 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:54:44,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:54:44,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:54:44,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:54:44,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:54:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:54:45,034 WARN L180 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2018-11-28 23:54:45,279 WARN L180 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-11-28 23:54:52,916 WARN L180 SmtUtils]: Spent 7.62 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-11-28 23:54:56,315 WARN L180 SmtUtils]: Spent 3.40 s on a formula simplification that was a NOOP. DAG size: 423 [2018-11-28 23:54:56,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:54:56 BoogieIcfgContainer [2018-11-28 23:54:56,379 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:54:56,379 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:54:56,379 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:54:56,380 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:54:56,381 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:54:43" (3/4) ... [2018-11-28 23:54:56,386 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 23:54:56,447 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 23:54:56,447 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:54:56,449 INFO L168 Benchmark]: Toolchain (without parser) took 15344.28 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 294.6 MB). Free memory was 952.7 MB in the beginning and 1.0 GB in the end (delta: -62.4 MB). Peak memory consumption was 232.2 MB. Max. memory is 11.5 GB. [2018-11-28 23:54:56,450 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:54:56,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -142.2 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-11-28 23:54:56,452 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.37 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:54:56,452 INFO L168 Benchmark]: Boogie Preprocessor took 47.29 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:54:56,453 INFO L168 Benchmark]: RCFGBuilder took 1163.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:54:56,454 INFO L168 Benchmark]: BuchiAutomizer took 13294.12 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 180.4 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.3 MB). Peak memory consumption was 358.1 MB. Max. memory is 11.5 GB. [2018-11-28 23:54:56,455 INFO L168 Benchmark]: Witness Printer took 67.99 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:54:56,460 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 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 693.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -142.2 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.37 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.29 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1163.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 13294.12 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 180.4 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.3 MB). Peak memory consumption was 358.1 MB. Max. memory is 11.5 GB. * Witness Printer took 67.99 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 126 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 13.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 12.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 126 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 101 SDtfs, 97 SDslu, 89 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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: 165]: 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=0, NULL=34, NULL=18, NULL=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39f692c5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@395b3b8c=56, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4270d51e=0, NULL=38, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b8e361=0, NULL=12, NULL=28, methaneLevelCritical=0, NULL=36, retValue_acc=1, NULL=0, NULL=40, NULL=0, tmp___1=0, NULL=37, tmp___0=0, NULL=0, NULL=16, cleanupTimeShifts=4, tmp=0, NULL=29, NULL=39, NULL=22, NULL=11, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@17bbb9e=0, NULL=0, NULL=15, NULL=0, retValue_acc=0, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, NULL=33, head=0, pumpRunning=0, tmp=1, NULL=35, \result=0, NULL=20, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@15d3769f=0, NULL=27, NULL=0, NULL=0, NULL=0, NULL=31, NULL=24, tmp___2=56, splverifierCounter=0, \result=0, tmp=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d6de912=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@14566579=0, NULL=26, NULL=0, NULL=17, NULL=0, NULL=0, NULL=23, NULL=14, NULL=19} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L49] int cleanupTimeShifts = 4; [L231] int pumpRunning = 0; [L232] int systemActive = 1; [L408] int waterLevel = 1; [L409] int methaneLevelCritical = 0; [L666] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L130] int retValue_acc ; [L131] int tmp ; [L889] int retValue_acc ; [L892] retValue_acc = 1 [L893] return (retValue_acc); [L137] tmp = valid_product() [L139] COND TRUE \read(tmp) [L156] int splverifierCounter ; [L157] int tmp ; [L158] int tmp___0 ; [L159] int tmp___1 ; [L160] int tmp___2 ; [L163] splverifierCounter = 0 Loop: [L165] COND TRUE 1 [L167] COND TRUE splverifierCounter < 4 [L173] tmp = __VERIFIER_nondet_int() [L175] COND FALSE !(\read(tmp)) [L183] tmp___0 = __VERIFIER_nondet_int() [L185] COND FALSE !(\read(tmp___0)) [L193] tmp___2 = __VERIFIER_nondet_int() [L195] COND TRUE \read(tmp___2) [L402] systemActive = 1 [L239] COND FALSE !(\read(pumpRunning)) [L246] COND TRUE \read(systemActive) [L268] int tmp ; [L271] COND FALSE !(\read(pumpRunning)) [L899] int tmp ; [L900] int tmp___0 ; [L447] int retValue_acc ; [L450] retValue_acc = methaneLevelCritical [L451] return (retValue_acc); [L904] tmp = isMethaneLevelCritical() [L906] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...