./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product22_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2e94e6aa 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_spec4_product22_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 82f74870a567ad4799d16040af8f13b048c16754 ............................................................................................................................................................................................................................................................................................................................................................. 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 0.1.24-2e94e6a [2019-01-01 23:46:24,140 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 23:46:24,145 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 23:46:24,163 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 23:46:24,164 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 23:46:24,166 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 23:46:24,170 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 23:46:24,173 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 23:46:24,177 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 23:46:24,185 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 23:46:24,186 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 23:46:24,186 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 23:46:24,192 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 23:46:24,193 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 23:46:24,194 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 23:46:24,196 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 23:46:24,197 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 23:46:24,199 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 23:46:24,201 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 23:46:24,203 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 23:46:24,204 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 23:46:24,205 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 23:46:24,208 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 23:46:24,208 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 23:46:24,208 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 23:46:24,209 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 23:46:24,212 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 23:46:24,215 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 23:46:24,216 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 23:46:24,217 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 23:46:24,217 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 23:46:24,217 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 23:46:24,220 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 23:46:24,220 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 23:46:24,221 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 23:46:24,222 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 23:46:24,222 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 23:46:24,247 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 23:46:24,247 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 23:46:24,248 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 23:46:24,248 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 23:46:24,249 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 23:46:24,249 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 23:46:24,249 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 23:46:24,249 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 23:46:24,249 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 23:46:24,250 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 23:46:24,250 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 23:46:24,250 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 23:46:24,250 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 23:46:24,250 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 23:46:24,250 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 23:46:24,251 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 23:46:24,251 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 23:46:24,251 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 23:46:24,251 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 23:46:24,251 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 23:46:24,251 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 23:46:24,252 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 23:46:24,252 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 23:46:24,252 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 23:46:24,252 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 23:46:24,252 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 23:46:24,253 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 23:46:24,253 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 23:46:24,253 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 23:46:24,253 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 23:46:24,253 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 23:46:24,254 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 23:46:24,254 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 -> /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 -> 82f74870a567ad4799d16040af8f13b048c16754 [2019-01-01 23:46:24,316 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 23:46:24,332 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 23:46:24,337 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 23:46:24,339 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 23:46:24,339 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 23:46:24,340 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product22_true-unreach-call_false-termination.cil.c [2019-01-01 23:46:24,397 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ff14ffb7/6c89dc0fa6524ffb94f4fbc3ab32ed33/FLAGe8faff5d4 [2019-01-01 23:46:24,929 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 23:46:24,931 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product22_true-unreach-call_false-termination.cil.c [2019-01-01 23:46:24,951 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ff14ffb7/6c89dc0fa6524ffb94f4fbc3ab32ed33/FLAGe8faff5d4 [2019-01-01 23:46:25,208 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ff14ffb7/6c89dc0fa6524ffb94f4fbc3ab32ed33 [2019-01-01 23:46:25,211 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 23:46:25,212 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 23:46:25,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 23:46:25,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 23:46:25,218 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 23:46:25,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:46:25" (1/1) ... [2019-01-01 23:46:25,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a5801be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:25, skipping insertion in model container [2019-01-01 23:46:25,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:46:25" (1/1) ... [2019-01-01 23:46:25,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 23:46:25,287 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 23:46:25,655 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:46:25,671 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 23:46:25,792 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:46:25,915 INFO L195 MainTranslator]: Completed translation [2019-01-01 23:46:25,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:25 WrapperNode [2019-01-01 23:46:25,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 23:46:25,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 23:46:25,916 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 23:46:25,916 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 23:46:25,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:25" (1/1) ... [2019-01-01 23:46:25,945 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:25" (1/1) ... [2019-01-01 23:46:25,993 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 23:46:25,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 23:46:25,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 23:46:25,994 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 23:46:26,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:25" (1/1) ... [2019-01-01 23:46:26,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:25" (1/1) ... [2019-01-01 23:46:26,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:25" (1/1) ... [2019-01-01 23:46:26,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:25" (1/1) ... [2019-01-01 23:46:26,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:25" (1/1) ... [2019-01-01 23:46:26,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:25" (1/1) ... [2019-01-01 23:46:26,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:25" (1/1) ... [2019-01-01 23:46:26,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 23:46:26,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 23:46:26,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 23:46:26,039 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 23:46:26,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:25" (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 [2019-01-01 23:46:26,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 23:46:26,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-01 23:46:26,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 23:46:26,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 23:46:27,476 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 23:46:27,476 INFO L280 CfgBuilder]: Removed 158 assue(true) statements. [2019-01-01 23:46:27,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:46:27 BoogieIcfgContainer [2019-01-01 23:46:27,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 23:46:27,478 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 23:46:27,478 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 23:46:27,481 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 23:46:27,482 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:46:27,482 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 11:46:25" (1/3) ... [2019-01-01 23:46:27,483 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ced6cb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:46:27, skipping insertion in model container [2019-01-01 23:46:27,484 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:46:27,484 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:25" (2/3) ... [2019-01-01 23:46:27,484 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ced6cb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:46:27, skipping insertion in model container [2019-01-01 23:46:27,484 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:46:27,484 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:46:27" (3/3) ... [2019-01-01 23:46:27,486 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product22_true-unreach-call_false-termination.cil.c [2019-01-01 23:46:27,544 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 23:46:27,545 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 23:46:27,545 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 23:46:27,545 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 23:46:27,546 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 23:46:27,546 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 23:46:27,546 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 23:46:27,546 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 23:46:27,546 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 23:46:27,563 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states. [2019-01-01 23:46:27,592 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2019-01-01 23:46:27,592 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:46:27,592 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:46:27,601 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:46:27,602 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:46:27,602 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 23:46:27,602 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states. [2019-01-01 23:46:27,612 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2019-01-01 23:46:27,612 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:46:27,613 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:46:27,614 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:46:27,614 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:46:27,622 INFO L794 eck$LassoCheckResult]: Stem: 83#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(13);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25); 13#L-1true havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; 40#L161true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 38#L169true main_#t~ret35 := valid_product_#res;main_~tmp~4 := main_#t~ret35;havoc main_#t~ret35; 94#L517true assume 0 != main_~tmp~4; 29#L494true havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 68#L548-1true [2019-01-01 23:46:27,623 INFO L796 eck$LassoCheckResult]: Loop: 68#L548-1true assume !false; 102#L379true assume test_~splverifierCounter~0 < 4; 74#L380true test_~tmp~3 := test_#t~nondet31;havoc test_#t~nondet31; 78#L388true assume !(0 != test_~tmp~3); 80#L388-1true test_~tmp___0~1 := test_#t~nondet32;havoc test_#t~nondet32; 4#L398true assume !(0 != test_~tmp___0~1); 6#L398-1true test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 63#L408true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 64#L416-2true assume !(0 != ~pumpRunning~0); 47#L188true assume !(0 != ~systemActive~0); 93#L195true havoc __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_~tmp~5, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~5;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 45#L122true __utac_acc__Specification4_spec__1_#t~ret36 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~5 := __utac_acc__Specification4_spec__1_#t~ret36;havoc __utac_acc__Specification4_spec__1_#t~ret36; 66#L548true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~5); 68#L548-1true [2019-01-01 23:46:27,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:46:27,633 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-01-01 23:46:27,635 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:46:27,637 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:46:27,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:27,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:46:27,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:28,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:28,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:28,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:46:28,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1679344189, now seen corresponding path program 1 times [2019-01-01 23:46:28,579 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:46:28,579 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:46:28,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:28,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:46:28,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:46:28,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:46:28,687 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:46:28,687 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 23:46:28,692 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-01-01 23:46:28,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 23:46:28,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 23:46:28,715 INFO L87 Difference]: Start difference. First operand 102 states. Second operand 3 states. [2019-01-01 23:46:28,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:46:28,817 INFO L93 Difference]: Finished difference Result 102 states and 143 transitions. [2019-01-01 23:46:28,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 23:46:28,820 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 143 transitions. [2019-01-01 23:46:28,824 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2019-01-01 23:46:28,831 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 95 states and 135 transitions. [2019-01-01 23:46:28,832 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 95 [2019-01-01 23:46:28,833 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 95 [2019-01-01 23:46:28,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 95 states and 135 transitions. [2019-01-01 23:46:28,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:46:28,836 INFO L705 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2019-01-01 23:46:28,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states and 135 transitions. [2019-01-01 23:46:28,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2019-01-01 23:46:28,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-01-01 23:46:28,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 135 transitions. [2019-01-01 23:46:28,873 INFO L728 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2019-01-01 23:46:28,873 INFO L608 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2019-01-01 23:46:28,873 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 23:46:28,873 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 95 states and 135 transitions. [2019-01-01 23:46:28,876 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2019-01-01 23:46:28,876 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:46:28,876 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:46:28,877 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:46:28,877 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:46:28,877 INFO L794 eck$LassoCheckResult]: Stem: 284#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(13);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25); 247#L-1 havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; 248#L161 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 279#L169 main_#t~ret35 := valid_product_#res;main_~tmp~4 := main_#t~ret35;havoc main_#t~ret35; 280#L517 assume 0 != main_~tmp~4; 268#L494 havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 214#L548-1 [2019-01-01 23:46:28,878 INFO L796 eck$LassoCheckResult]: Loop: 214#L548-1 assume !false; 223#L379 assume test_~splverifierCounter~0 < 4; 259#L380 test_~tmp~3 := test_#t~nondet31;havoc test_#t~nondet31; 260#L388 assume !(0 != test_~tmp~3); 257#L388-1 test_~tmp___0~1 := test_#t~nondet32;havoc test_#t~nondet32; 218#L398 assume !(0 != test_~tmp___0~1); 219#L398-1 test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 224#L408 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 237#L416-2 assume !(0 != ~pumpRunning~0); 295#L188 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 296#L246 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret11, processEnvironment__wrappee__lowWaterSensor_~tmp~0;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~0; 269#L220-1 assume !(0 != ~pumpRunning~0); 270#L195 havoc __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_~tmp~5, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~5;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 291#L122 __utac_acc__Specification4_spec__1_#t~ret36 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~5 := __utac_acc__Specification4_spec__1_#t~ret36;havoc __utac_acc__Specification4_spec__1_#t~ret36; 213#L548 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~5); 214#L548-1 [2019-01-01 23:46:28,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:46:28,878 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-01-01 23:46:28,878 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:46:28,878 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:46:28,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:28,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:46:28,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:29,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:29,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:46:29,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1091435467, now seen corresponding path program 1 times [2019-01-01 23:46:29,264 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:46:29,265 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:46:29,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:29,266 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 23:46:29,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:29,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:46:29,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1358149583, now seen corresponding path program 1 times [2019-01-01 23:46:29,290 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:46:29,291 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:46:29,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:29,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:46:29,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:29,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:30,399 WARN L181 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2019-01-01 23:46:30,584 WARN L181 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-01-01 23:47:01,281 WARN L181 SmtUtils]: Spent 30.68 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-01-01 23:47:16,278 WARN L181 SmtUtils]: Spent 15.00 s on a formula simplification that was a NOOP. DAG size: 449 [2019-01-01 23:47:16,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 11:47:16 BoogieIcfgContainer [2019-01-01 23:47:16,366 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 23:47:16,367 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 23:47:16,367 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 23:47:16,367 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 23:47:16,369 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:46:27" (3/4) ... [2019-01-01 23:47:16,373 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-01 23:47:16,467 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 23:47:16,468 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 23:47:16,469 INFO L168 Benchmark]: Toolchain (without parser) took 51257.64 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 316.1 MB). Free memory was 950.0 MB in the beginning and 1.0 GB in the end (delta: -63.0 MB). Peak memory consumption was 253.2 MB. Max. memory is 11.5 GB. [2019-01-01 23:47:16,473 INFO L168 Benchmark]: CDTParser took 0.38 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. [2019-01-01 23:47:16,475 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -176.1 MB). Peak memory consumption was 44.7 MB. Max. memory is 11.5 GB. [2019-01-01 23:47:16,476 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.68 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-01 23:47:16,476 INFO L168 Benchmark]: Boogie Preprocessor took 44.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:47:16,477 INFO L168 Benchmark]: RCFGBuilder took 1438.16 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: 59.0 MB). Peak memory consumption was 59.0 MB. Max. memory is 11.5 GB. [2019-01-01 23:47:16,477 INFO L168 Benchmark]: BuchiAutomizer took 48888.84 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 183.5 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 35.5 MB). Peak memory consumption was 427.5 MB. Max. memory is 11.5 GB. [2019-01-01 23:47:16,481 INFO L168 Benchmark]: Witness Printer took 101.42 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: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. [2019-01-01 23:47:16,492 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 702.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -176.1 MB). Peak memory consumption was 44.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.68 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1438.16 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: 59.0 MB). Peak memory consumption was 59.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 48888.84 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 183.5 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 35.5 MB). Peak memory consumption was 427.5 MB. Max. memory is 11.5 GB. * Witness Printer took 101.42 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: 11.7 MB). Peak memory consumption was 11.7 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 95 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 48.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 48.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 95 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 140 SDtfs, 140 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 378]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=0} State at position 1 is {NULL=-5, NULL=0, NULL=-25, NULL=0, NULL=-12, NULL=0, NULL=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7543be33=0, tmp=0, NULL=-15, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@e46da49=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7e00b48f=0, tmp=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=-22, NULL=0, tmp___1=0, NULL=-4, NULL=-7, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f303ca9=0, cleanupTimeShifts=4, NULL=-10, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@18f6ca8=0, NULL=-17, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a19934=70, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=-23, \result=1, NULL=-16, NULL=-3, NULL=0, NULL=0, NULL=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, NULL=-18, \result=0, NULL=-11, tmp=1, NULL=0, NULL=-20, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d268c69=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f073a88=0, retValue_acc=1, NULL=-21, NULL=-19, tmp=1, NULL=-8, tmp___2=70, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=-24, NULL=-2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b40f20a=0, NULL=-14, tmp=0, head=0, NULL=-9, NULL=-6, NULL=-1, NULL=-13} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L180] int pumpRunning = 0; [L181] int systemActive = 1; [L435] int cleanupTimeShifts = 4; [L735] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L508] int retValue_acc ; [L509] int tmp ; [L165] int retValue_acc ; [L168] retValue_acc = 1 [L169] return (retValue_acc); [L515] tmp = valid_product() [L517] COND TRUE \read(tmp) [L369] int splverifierCounter ; [L370] int tmp ; [L371] int tmp___0 ; [L372] int tmp___1 ; [L373] int tmp___2 ; [L376] splverifierCounter = 0 Loop: [L378] COND TRUE 1 [L380] COND TRUE splverifierCounter < 4 [L386] tmp = __VERIFIER_nondet_int() [L388] COND FALSE !(\read(tmp)) [L396] tmp___0 = __VERIFIER_nondet_int() [L398] COND FALSE !(\read(tmp___0)) [L406] tmp___2 = __VERIFIER_nondet_int() [L408] COND TRUE \read(tmp___2) [L362] systemActive = 1 [L188] COND FALSE !(\read(pumpRunning)) [L195] COND TRUE \read(systemActive) [L243] int tmp ; [L246] COND FALSE !(\read(pumpRunning)) [L217] int tmp ; [L220] COND FALSE !(\read(pumpRunning)) [L541] int tmp ; [L542] int tmp___0 ; [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] return (retValue_acc); [L546] tmp = getWaterLevel() [L548] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...