./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec1_product62_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_product62_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 3c089be7b4887d2975165f6135c093492cb2095b ............................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:55:38,950 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:55:38,952 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:55:38,971 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:55:38,972 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:55:38,974 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:55:38,978 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:55:38,980 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:55:38,982 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:55:38,985 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:55:38,988 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:55:38,989 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:55:38,990 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:55:38,993 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:55:39,001 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:55:39,003 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:55:39,004 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:55:39,009 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:55:39,013 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:55:39,018 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:55:39,019 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:55:39,020 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:55:39,026 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:55:39,028 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:55:39,028 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:55:39,029 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:55:39,030 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:55:39,034 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:55:39,035 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:55:39,037 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:55:39,039 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:55:39,040 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:55:39,040 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:55:39,040 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:55:39,043 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:55:39,044 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:55:39,046 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:55:39,077 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:55:39,078 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:55:39,080 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:55:39,082 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:55:39,082 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:55:39,082 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:55:39,082 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:55:39,083 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:55:39,083 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:55:39,083 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:55:39,083 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:55:39,083 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:55:39,083 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:55:39,084 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:55:39,084 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:55:39,084 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:55:39,084 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:55:39,084 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:55:39,084 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:55:39,087 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:55:39,088 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:55:39,088 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:55:39,088 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:55:39,088 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:55:39,088 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:55:39,088 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:55:39,089 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:55:39,089 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:55:39,089 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:55:39,089 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:55:39,089 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:55:39,092 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:55:39,092 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 -> 3c089be7b4887d2975165f6135c093492cb2095b [2018-11-28 23:55:39,152 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:55:39,170 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:55:39,177 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:55:39,179 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:55:39,180 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:55:39,181 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec1_product62_true-unreach-call_false-termination.cil.c [2018-11-28 23:55:39,249 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0944c0e6/3e4e262c35114771b183cb596a73f9a3/FLAG3c7a21a02 [2018-11-28 23:55:39,808 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:55:39,809 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec1_product62_true-unreach-call_false-termination.cil.c [2018-11-28 23:55:39,821 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0944c0e6/3e4e262c35114771b183cb596a73f9a3/FLAG3c7a21a02 [2018-11-28 23:55:40,095 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0944c0e6/3e4e262c35114771b183cb596a73f9a3 [2018-11-28 23:55:40,099 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:55:40,101 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:55:40,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:55:40,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:55:40,106 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:55:40,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:55:40" (1/1) ... [2018-11-28 23:55:40,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fbc0696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:40, skipping insertion in model container [2018-11-28 23:55:40,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:55:40" (1/1) ... [2018-11-28 23:55:40,118 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:55:40,170 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:55:40,538 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:55:40,573 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:55:40,726 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:55:40,852 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:55:40,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:40 WrapperNode [2018-11-28 23:55:40,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:55:40,854 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:55:40,854 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:55:40,854 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:55:40,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:40" (1/1) ... [2018-11-28 23:55:40,894 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:40" (1/1) ... [2018-11-28 23:55:40,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:55:40,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:55:40,962 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:55:40,963 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:55:40,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:40" (1/1) ... [2018-11-28 23:55:40,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:40" (1/1) ... [2018-11-28 23:55:40,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:40" (1/1) ... [2018-11-28 23:55:40,983 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:40" (1/1) ... [2018-11-28 23:55:41,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:40" (1/1) ... [2018-11-28 23:55:41,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:40" (1/1) ... [2018-11-28 23:55:41,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:40" (1/1) ... [2018-11-28 23:55:41,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:55:41,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:55:41,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:55:41,055 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:55:41,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:40" (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 23:55:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:55:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 23:55:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:55:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:55:43,280 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:55:43,280 INFO L280 CfgBuilder]: Removed 350 assue(true) statements. [2018-11-28 23:55:43,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:55:43 BoogieIcfgContainer [2018-11-28 23:55:43,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:55:43,282 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:55:43,282 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:55:43,287 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:55:43,288 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:55:43,288 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:55:40" (1/3) ... [2018-11-28 23:55:43,290 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@481ab58e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:55:43, skipping insertion in model container [2018-11-28 23:55:43,290 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:55:43,291 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:40" (2/3) ... [2018-11-28 23:55:43,291 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@481ab58e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:55:43, skipping insertion in model container [2018-11-28 23:55:43,291 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:55:43,291 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:55:43" (3/3) ... [2018-11-28 23:55:43,294 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product62_true-unreach-call_false-termination.cil.c [2018-11-28 23:55:43,351 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:55:43,352 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:55:43,352 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:55:43,353 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:55:43,353 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:55:43,353 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:55:43,353 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:55:43,353 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:55:43,353 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:55:43,379 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 222 states. [2018-11-28 23:55:43,422 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 145 [2018-11-28 23:55:43,422 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:55:43,423 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:55:43,432 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:55:43,433 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:55:43,433 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:55:43,433 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 222 states. [2018-11-28 23:55:43,446 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 145 [2018-11-28 23:55:43,446 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:55:43,446 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:55:43,447 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:55:43,447 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:55:43,458 INFO L794 eck$LassoCheckResult]: Stem: 99#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string6.base, #t~string6.offset := #Ultimate.alloc(13);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(110, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 3 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string12.base, #t~string12.offset, 1);call write~init~int(80, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(117, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(109, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(112, #t~string12.base, 4 + #t~string12.offset, 1);call write~init~int(58, #t~string12.base, 5 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 6 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string18.base, #t~string18.offset, 1);call write~init~int(32, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string20.base, #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 1 + #t~string20.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string46.base, #t~string46.offset := #Ultimate.alloc(30);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(9);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(21);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(30);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(9);call #t~string51.base, #t~string51.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(25);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string65.base, #t~string65.offset := #Ultimate.alloc(13);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(77, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(101, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(116, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(104, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string69.base, #t~string69.offset, 1);call write~init~int(82, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(73, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(84, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(75, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1); 7#L-1true havoc main_#res;havoc main_#t~ret63, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; 21#L395true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 147#L403true main_#t~ret63 := valid_product_#res;main_~tmp~10 := main_#t~ret63;havoc main_#t~ret63; 212#L856true assume 0 != main_~tmp~10; 121#L833true havoc test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 198#L983-1true [2018-11-28 23:55:43,459 INFO L796 eck$LassoCheckResult]: Loop: 198#L983-1true assume !false; 94#L314true assume test_~splverifierCounter~0 < 4; 150#L315true test_~tmp~6 := test_#t~nondet23;havoc test_#t~nondet23; 39#L323true assume !(0 != test_~tmp~6); 41#L323-1true test_~tmp___0~2 := test_#t~nondet24;havoc test_#t~nondet24; 213#L333true assume !(0 != test_~tmp___0~2); 215#L333-1true test_~tmp___2~0 := test_#t~nondet25;havoc test_#t~nondet25; 117#L343true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 8#L351-2true assume !(0 != ~pumpRunning~0); 14#L59true assume !(0 != ~systemActive~0); 104#L66true havoc __utac_acc__Specification1_spec__1_#t~ret74, __utac_acc__Specification1_spec__1_#t~ret75, __utac_acc__Specification1_spec__1_~tmp~11, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~11;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 76#L914-5true __utac_acc__Specification1_spec__1_#t~ret74 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~11 := __utac_acc__Specification1_spec__1_#t~ret74;havoc __utac_acc__Specification1_spec__1_#t~ret74; 196#L983true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~11); 198#L983-1true [2018-11-28 23:55:43,469 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:55:43,470 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-11-28 23:55:43,472 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:55:43,473 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:55:43,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:55:43,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:55:43,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:55:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:55:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:55:43,783 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:55:43,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1674172477, now seen corresponding path program 1 times [2018-11-28 23:55:43,783 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:55:43,783 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:55:43,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:55:43,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:55:43,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:55:43,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:55:43,861 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 23:55:43,863 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:55:43,864 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:55:43,868 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 23:55:43,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:55:43,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:55:43,890 INFO L87 Difference]: Start difference. First operand 222 states. Second operand 3 states. [2018-11-28 23:55:44,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:55:44,006 INFO L93 Difference]: Finished difference Result 222 states and 323 transitions. [2018-11-28 23:55:44,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:55:44,009 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 222 states and 323 transitions. [2018-11-28 23:55:44,018 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 143 [2018-11-28 23:55:44,031 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 222 states to 215 states and 315 transitions. [2018-11-28 23:55:44,035 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 215 [2018-11-28 23:55:44,036 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 215 [2018-11-28 23:55:44,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 215 states and 315 transitions. [2018-11-28 23:55:44,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:55:44,039 INFO L705 BuchiCegarLoop]: Abstraction has 215 states and 315 transitions. [2018-11-28 23:55:44,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states and 315 transitions. [2018-11-28 23:55:44,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2018-11-28 23:55:44,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2018-11-28 23:55:44,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 315 transitions. [2018-11-28 23:55:44,098 INFO L728 BuchiCegarLoop]: Abstraction has 215 states and 315 transitions. [2018-11-28 23:55:44,098 INFO L608 BuchiCegarLoop]: Abstraction has 215 states and 315 transitions. [2018-11-28 23:55:44,098 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:55:44,098 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 215 states and 315 transitions. [2018-11-28 23:55:44,106 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 143 [2018-11-28 23:55:44,106 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:55:44,106 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:55:44,108 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:55:44,109 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:55:44,109 INFO L794 eck$LassoCheckResult]: Stem: 600#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string6.base, #t~string6.offset := #Ultimate.alloc(13);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(110, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 3 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string12.base, #t~string12.offset, 1);call write~init~int(80, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(117, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(109, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(112, #t~string12.base, 4 + #t~string12.offset, 1);call write~init~int(58, #t~string12.base, 5 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 6 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string18.base, #t~string18.offset, 1);call write~init~int(32, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string20.base, #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 1 + #t~string20.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string46.base, #t~string46.offset := #Ultimate.alloc(30);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(9);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(21);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(30);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(9);call #t~string51.base, #t~string51.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(25);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string65.base, #t~string65.offset := #Ultimate.alloc(13);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(77, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(101, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(116, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(104, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string69.base, #t~string69.offset, 1);call write~init~int(82, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(73, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(84, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(75, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1); 460#L-1 havoc main_#res;havoc main_#t~ret63, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; 461#L395 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 487#L403 main_#t~ret63 := valid_product_#res;main_~tmp~10 := main_#t~ret63;havoc main_#t~ret63; 644#L856 assume 0 != main_~tmp~10; 621#L833 havoc test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 622#L983-1 [2018-11-28 23:55:44,110 INFO L796 eck$LassoCheckResult]: Loop: 622#L983-1 assume !false; 594#L314 assume test_~splverifierCounter~0 < 4; 595#L315 test_~tmp~6 := test_#t~nondet23;havoc test_#t~nondet23; 514#L323 assume !(0 != test_~tmp~6); 516#L323-1 test_~tmp___0~2 := test_#t~nondet24;havoc test_#t~nondet24; 518#L333 assume !(0 != test_~tmp___0~2); 533#L333-1 test_~tmp___2~0 := test_#t~nondet25;havoc test_#t~nondet25; 618#L343 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 462#L351-2 assume !(0 != ~pumpRunning~0); 463#L59 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret2, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 474#L143 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret1, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 598#L117-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret0, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 629#L91-3 assume !(0 == ~pumpRunning~0); 492#L66 havoc __utac_acc__Specification1_spec__1_#t~ret74, __utac_acc__Specification1_spec__1_#t~ret75, __utac_acc__Specification1_spec__1_~tmp~11, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~11;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 564#L914-5 __utac_acc__Specification1_spec__1_#t~ret74 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~11 := __utac_acc__Specification1_spec__1_#t~ret74;havoc __utac_acc__Specification1_spec__1_#t~ret74; 565#L983 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~11); 622#L983-1 [2018-11-28 23:55:44,110 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:55:44,110 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-11-28 23:55:44,110 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:55:44,115 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:55:44,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:55:44,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:55:44,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:55:44,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:55:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:55:44,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:55:44,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1243674303, now seen corresponding path program 1 times [2018-11-28 23:55:44,247 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:55:44,249 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:55:44,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:55:44,250 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:55:44,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:55:44,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:55:44,323 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 23:55:44,323 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:55:44,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:55:44,324 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 23:55:44,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:55:44,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:55:44,324 INFO L87 Difference]: Start difference. First operand 215 states and 315 transitions. cyclomatic complexity: 102 Second operand 3 states. [2018-11-28 23:55:44,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:55:44,636 INFO L93 Difference]: Finished difference Result 211 states and 291 transitions. [2018-11-28 23:55:44,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:55:44,638 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 211 states and 291 transitions. [2018-11-28 23:55:44,640 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 144 [2018-11-28 23:55:44,643 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 211 states to 211 states and 291 transitions. [2018-11-28 23:55:44,643 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 211 [2018-11-28 23:55:44,644 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 211 [2018-11-28 23:55:44,644 INFO L73 IsDeterministic]: Start isDeterministic. Operand 211 states and 291 transitions. [2018-11-28 23:55:44,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:55:44,646 INFO L705 BuchiCegarLoop]: Abstraction has 211 states and 291 transitions. [2018-11-28 23:55:44,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states and 291 transitions. [2018-11-28 23:55:44,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2018-11-28 23:55:44,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-11-28 23:55:44,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 291 transitions. [2018-11-28 23:55:44,657 INFO L728 BuchiCegarLoop]: Abstraction has 211 states and 291 transitions. [2018-11-28 23:55:44,658 INFO L608 BuchiCegarLoop]: Abstraction has 211 states and 291 transitions. [2018-11-28 23:55:44,658 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 23:55:44,658 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 211 states and 291 transitions. [2018-11-28 23:55:44,660 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 144 [2018-11-28 23:55:44,660 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:55:44,660 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:55:44,661 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:55:44,661 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:55:44,662 INFO L794 eck$LassoCheckResult]: Stem: 1063#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string6.base, #t~string6.offset := #Ultimate.alloc(13);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(110, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 3 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string12.base, #t~string12.offset, 1);call write~init~int(80, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(117, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(109, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(112, #t~string12.base, 4 + #t~string12.offset, 1);call write~init~int(58, #t~string12.base, 5 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 6 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string18.base, #t~string18.offset, 1);call write~init~int(32, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string20.base, #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 1 + #t~string20.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string46.base, #t~string46.offset := #Ultimate.alloc(30);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(9);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(21);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(30);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(9);call #t~string51.base, #t~string51.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(25);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string65.base, #t~string65.offset := #Ultimate.alloc(13);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(77, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(101, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(116, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(104, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string69.base, #t~string69.offset, 1);call write~init~int(82, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(73, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(84, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(75, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1); 934#L-1 havoc main_#res;havoc main_#t~ret63, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; 935#L395 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 965#L403 main_#t~ret63 := valid_product_#res;main_~tmp~10 := main_#t~ret63;havoc main_#t~ret63; 977#L856 assume 0 != main_~tmp~10; 913#L833 havoc test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 914#L983-1 [2018-11-28 23:55:44,662 INFO L796 eck$LassoCheckResult]: Loop: 914#L983-1 assume !false; 1084#L314 assume test_~splverifierCounter~0 < 4; 982#L315 test_~tmp~6 := test_#t~nondet23;havoc test_#t~nondet23; 983#L323 assume !(0 != test_~tmp~6); 991#L323-1 test_~tmp___0~2 := test_#t~nondet24;havoc test_#t~nondet24; 995#L333 assume !(0 != test_~tmp___0~2); 1008#L333-1 test_~tmp___2~0 := test_#t~nondet25;havoc test_#t~nondet25; 903#L343 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 904#L351-2 assume !(0 != ~pumpRunning~0); 937#L59 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret2, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 955#L143 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret1, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 932#L117-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret0, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 933#L91-3 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret21, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; 906#L954-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; 907#L959-3 isHighWaterLevel_#t~ret21 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret21;havoc isHighWaterLevel_#t~ret21; 981#L262-9 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~0 := 0; 992#L262-11 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 970#L268-3 processEnvironment__wrappee__highWaterSensor_#t~ret0 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret0;havoc processEnvironment__wrappee__highWaterSensor_#t~ret0; 908#L95-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0); 909#L66 havoc __utac_acc__Specification1_spec__1_#t~ret74, __utac_acc__Specification1_spec__1_#t~ret75, __utac_acc__Specification1_spec__1_~tmp~11, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~11;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 1095#L914-5 __utac_acc__Specification1_spec__1_#t~ret74 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~11 := __utac_acc__Specification1_spec__1_#t~ret74;havoc __utac_acc__Specification1_spec__1_#t~ret74; 1094#L983 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~11); 914#L983-1 [2018-11-28 23:55:44,662 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:55:44,662 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2018-11-28 23:55:44,663 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:55:44,663 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:55:44,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:55:44,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:55:44,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:55:44,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:55:44,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:55:44,753 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:55:44,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1113090803, now seen corresponding path program 1 times [2018-11-28 23:55:44,757 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:55:44,757 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:55:44,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:55:44,758 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:55:44,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:55:44,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:55:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:55:44,780 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:55:44,781 INFO L82 PathProgramCache]: Analyzing trace with hash 140214323, now seen corresponding path program 1 times [2018-11-28 23:55:44,781 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:55:44,781 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:55:44,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:55:44,782 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:55:44,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:55:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:55:44,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:55:45,659 WARN L180 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2018-11-28 23:55:45,827 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2018-11-28 23:55:54,766 WARN L180 SmtUtils]: Spent 8.92 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-11-28 23:55:58,578 WARN L180 SmtUtils]: Spent 3.81 s on a formula simplification that was a NOOP. DAG size: 423 [2018-11-28 23:55:58,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:55:58 BoogieIcfgContainer [2018-11-28 23:55:58,650 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:55:58,650 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:55:58,651 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:55:58,652 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:55:58,652 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:55:43" (3/4) ... [2018-11-28 23:55:58,656 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 23:55:58,729 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 23:55:58,730 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:55:58,731 INFO L168 Benchmark]: Toolchain (without parser) took 18630.84 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 299.9 MB). Free memory was 951.4 MB in the beginning and 908.0 MB in the end (delta: 43.3 MB). Peak memory consumption was 343.2 MB. Max. memory is 11.5 GB. [2018-11-28 23:55:58,732 INFO L168 Benchmark]: CDTParser took 0.17 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 23:55:58,732 INFO L168 Benchmark]: CACSL2BoogieTranslator took 751.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -168.6 MB). Peak memory consumption was 43.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:55:58,733 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.14 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:55:58,735 INFO L168 Benchmark]: Boogie Preprocessor took 89.83 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-28 23:55:58,735 INFO L168 Benchmark]: RCFGBuilder took 2228.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 79.0 MB). Peak memory consumption was 79.0 MB. Max. memory is 11.5 GB. [2018-11-28 23:55:58,736 INFO L168 Benchmark]: BuchiAutomizer took 15368.20 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 173.5 MB). Free memory was 1.0 GB in the beginning and 917.4 MB in the end (delta: 103.5 MB). Peak memory consumption was 311.1 MB. Max. memory is 11.5 GB. [2018-11-28 23:55:58,736 INFO L168 Benchmark]: Witness Printer took 79.38 ms. Allocated memory is still 1.3 GB. Free memory was 917.4 MB in the beginning and 908.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. [2018-11-28 23:55:58,742 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 751.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -168.6 MB). Peak memory consumption was 43.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 108.14 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 89.83 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2228.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 79.0 MB). Peak memory consumption was 79.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 15368.20 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 173.5 MB). Free memory was 1.0 GB in the beginning and 917.4 MB in the end (delta: 103.5 MB). Peak memory consumption was 311.1 MB. Max. memory is 11.5 GB. * Witness Printer took 79.38 ms. Allocated memory is still 1.3 GB. Free memory was 917.4 MB in the beginning and 908.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 211 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 15.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 14.5s. Construction of modules took 0.3s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 215 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 542 SDtfs, 489 SDslu, 75 SDs, 0 SdLazy, 45 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont1 unkn0 SFLI2 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: 313]: 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=18, NULL=39, NULL=0, NULL=36, NULL=29, NULL=0, retValue_acc=0, NULL=20, methaneLevelCritical=0, NULL=35, tmp___0=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@133bd662=0, NULL=0, retValue_acc=0, tmp=0, NULL=0, tmp___1=0, NULL=0, NULL=0, tmp=0, NULL=24, cleanupTimeShifts=4, tmp=0, tmp___0=0, retValue_acc=0, NULL=15, NULL=19, tmp=1, NULL=0, systemActive=1, waterLevel=1, NULL=16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7589957e=0, NULL=0, NULL=38, NULL=0, NULL=0, NULL=22, \result=0, NULL=0, NULL=26, NULL=0, NULL=28, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, NULL=23, head=0, pumpRunning=0, NULL=37, NULL=34, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5e09be59=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@412e1965=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@42ce8f2c=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@247d163a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a74dd98=0, NULL=0, NULL=0, retValue_acc=1, \result=1, NULL=27, NULL=40, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5b36adbb=0, NULL=0, tmp=1, NULL=0, retValue_acc=1, tmp___2=56, tmp___0=0, splverifierCounter=0, NULL=0, \result=0, NULL=33, NULL=43, NULL=14, tmp=0, head=0, tmp=0, NULL=0, NULL=31, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5de3ef5a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30abbbc1=0, NULL=0, NULL=42, NULL=17, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5778889e=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L51] int pumpRunning = 0; [L52] int systemActive = 1; [L577] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L774] int cleanupTimeShifts = 4; [L871] int waterLevel = 1; [L872] int methaneLevelCritical = 0; [L847] int retValue_acc ; [L848] int tmp ; [L399] int retValue_acc ; [L402] retValue_acc = 1 [L403] return (retValue_acc); [L854] tmp = valid_product() [L856] COND TRUE \read(tmp) [L304] int splverifierCounter ; [L305] int tmp ; [L306] int tmp___0 ; [L307] int tmp___1 ; [L308] int tmp___2 ; [L311] splverifierCounter = 0 Loop: [L313] COND TRUE 1 [L315] COND TRUE splverifierCounter < 4 [L321] tmp = __VERIFIER_nondet_int() [L323] COND FALSE !(\read(tmp)) [L331] tmp___0 = __VERIFIER_nondet_int() [L333] COND FALSE !(\read(tmp___0)) [L341] tmp___2 = __VERIFIER_nondet_int() [L343] COND TRUE \read(tmp___2) [L295] systemActive = 1 [L59] COND FALSE !(\read(pumpRunning)) [L66] COND TRUE \read(systemActive) [L140] int tmp ; [L143] COND FALSE !(\read(pumpRunning)) [L114] int tmp ; [L117] COND FALSE !(\read(pumpRunning)) [L88] int tmp ; [L91] COND TRUE ! pumpRunning [L254] int retValue_acc ; [L255] int tmp ; [L256] int tmp___0 ; [L951] int retValue_acc ; [L954] COND TRUE waterLevel < 2 [L955] retValue_acc = 1 [L956] return (retValue_acc); [L260] tmp = isHighWaterSensorDry() [L262] COND TRUE \read(tmp) [L263] tmp___0 = 0 [L267] retValue_acc = tmp___0 [L268] return (retValue_acc); [L93] tmp = isHighWaterLevel() [L95] COND FALSE !(\read(tmp)) [L976] int tmp ; [L977] int tmp___0 ; [L910] int retValue_acc ; [L913] retValue_acc = methaneLevelCritical [L914] return (retValue_acc); [L981] tmp = isMethaneLevelCritical() [L983] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...