./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product33.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product33.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 49ee68200af8723d15a4fe21e3a4e6e289306e92 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-31 03:43:40,563 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 03:43:40,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 03:43:40,591 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 03:43:40,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 03:43:40,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 03:43:40,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 03:43:40,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 03:43:40,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 03:43:40,607 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 03:43:40,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 03:43:40,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 03:43:40,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 03:43:40,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 03:43:40,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 03:43:40,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 03:43:40,617 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 03:43:40,617 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 03:43:40,620 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 03:43:40,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 03:43:40,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 03:43:40,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 03:43:40,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 03:43:40,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 03:43:40,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 03:43:40,634 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 03:43:40,634 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 03:43:40,635 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 03:43:40,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 03:43:40,636 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 03:43:40,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 03:43:40,637 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 03:43:40,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 03:43:40,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 03:43:40,641 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 03:43:40,641 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 03:43:40,642 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 03:43:40,642 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 03:43:40,642 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 03:43:40,643 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 03:43:40,644 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 03:43:40,647 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 03:43:40,669 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 03:43:40,669 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 03:43:40,670 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 03:43:40,670 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 03:43:40,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 03:43:40,672 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 03:43:40,672 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 03:43:40,672 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 03:43:40,672 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 03:43:40,672 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 03:43:40,673 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 03:43:40,673 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 03:43:40,674 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 03:43:40,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 03:43:40,674 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 03:43:40,674 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 03:43:40,674 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 03:43:40,674 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 03:43:40,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 03:43:40,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 03:43:40,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 03:43:40,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 03:43:40,675 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 03:43:40,675 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 03:43:40,676 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 03:43:40,676 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 03:43:40,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 03:43:40,676 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 03:43:40,677 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 03:43:40,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 03:43:40,677 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 03:43:40,677 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 03:43:40,678 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 03:43:40,678 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49ee68200af8723d15a4fe21e3a4e6e289306e92 [2021-08-31 03:43:40,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 03:43:40,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 03:43:41,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 03:43:41,003 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 03:43:41,003 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 03:43:41,004 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product33.cil.c [2021-08-31 03:43:41,048 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05a31a5ed/870cf57b23c8456e8b8b600e0bdc235b/FLAGfc1d863a3 [2021-08-31 03:43:41,477 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 03:43:41,478 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product33.cil.c [2021-08-31 03:43:41,490 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05a31a5ed/870cf57b23c8456e8b8b600e0bdc235b/FLAGfc1d863a3 [2021-08-31 03:43:41,836 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05a31a5ed/870cf57b23c8456e8b8b600e0bdc235b [2021-08-31 03:43:41,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 03:43:41,839 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 03:43:41,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 03:43:41,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 03:43:41,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 03:43:41,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:43:41" (1/1) ... [2021-08-31 03:43:41,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c256a66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:43:41, skipping insertion in model container [2021-08-31 03:43:41,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:43:41" (1/1) ... [2021-08-31 03:43:41,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 03:43:41,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 03:43:42,081 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product33.cil.c[10968,10981] [2021-08-31 03:43:42,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:43:42,137 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 03:43:42,183 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product33.cil.c[10968,10981] [2021-08-31 03:43:42,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:43:42,214 INFO L208 MainTranslator]: Completed translation [2021-08-31 03:43:42,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:43:42 WrapperNode [2021-08-31 03:43:42,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 03:43:42,216 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 03:43:42,216 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 03:43:42,216 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 03:43:42,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:43:42" (1/1) ... [2021-08-31 03:43:42,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:43:42" (1/1) ... [2021-08-31 03:43:42,281 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 03:43:42,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 03:43:42,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 03:43:42,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 03:43:42,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:43:42" (1/1) ... [2021-08-31 03:43:42,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:43:42" (1/1) ... [2021-08-31 03:43:42,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:43:42" (1/1) ... [2021-08-31 03:43:42,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:43:42" (1/1) ... [2021-08-31 03:43:42,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:43:42" (1/1) ... [2021-08-31 03:43:42,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:43:42" (1/1) ... [2021-08-31 03:43:42,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:43:42" (1/1) ... [2021-08-31 03:43:42,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 03:43:42,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 03:43:42,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 03:43:42,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 03:43:42,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:43:42" (1/1) ... [2021-08-31 03:43:42,328 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:43:42,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:43:42,344 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 03:43:42,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-31 03:43:42,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 03:43:42,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 03:43:42,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 03:43:42,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 03:43:42,796 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 03:43:42,796 INFO L299 CfgBuilder]: Removed 96 assume(true) statements. [2021-08-31 03:43:42,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:43:42 BoogieIcfgContainer [2021-08-31 03:43:42,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 03:43:42,798 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 03:43:42,798 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 03:43:42,813 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 03:43:42,814 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:43:42,814 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 03:43:41" (1/3) ... [2021-08-31 03:43:42,814 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@700f1d60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:43:42, skipping insertion in model container [2021-08-31 03:43:42,814 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:43:42,815 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:43:42" (2/3) ... [2021-08-31 03:43:42,815 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@700f1d60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:43:42, skipping insertion in model container [2021-08-31 03:43:42,815 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:43:42,815 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:43:42" (3/3) ... [2021-08-31 03:43:42,816 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product33.cil.c [2021-08-31 03:43:42,855 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 03:43:42,856 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 03:43:42,856 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 03:43:42,856 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 03:43:42,856 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 03:43:42,856 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 03:43:42,856 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 03:43:42,856 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 03:43:42,872 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 75 states, 74 states have (on average 1.5405405405405406) internal successors, (114), 74 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:43:42,903 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2021-08-31 03:43:42,916 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:43:42,917 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:43:42,921 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 03:43:42,921 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:43:42,921 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 03:43:42,922 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 75 states, 74 states have (on average 1.5405405405405406) internal successors, (114), 74 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:43:42,925 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2021-08-31 03:43:42,925 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:43:42,925 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:43:42,925 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 03:43:42,926 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:43:42,930 INFO L791 eck$LassoCheckResult]: Stem: 56#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(13);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(110, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(102, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(102, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 3 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string51.base, #t~string51.offset, 1);call write~init~int(80, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(117, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(109, #t~string51.base, 3 + #t~string51.offset, 1);call write~init~int(112, #t~string51.base, 4 + #t~string51.offset, 1);call write~init~int(58, #t~string51.base, 5 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 6 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(110, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string57.base, #t~string57.offset, 1);call write~init~int(32, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string59.base, #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 1 + #t~string59.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(13);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string72.base, #t~string72.offset, 1);call write~init~int(77, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(101, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(116, #t~string72.base, 3 + #t~string72.offset, 1);call write~init~int(104, #t~string72.base, 4 + #t~string72.offset, 1);call write~init~int(58, #t~string72.base, 5 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 6 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string74.base, #t~string74.offset, 1);call write~init~int(82, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(73, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(84, #t~string74.base, 3 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 4 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string76.base, #t~string76.offset, 1);call write~init~int(75, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 2 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string78.base, #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 1 + #t~string78.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 44#L-1true havoc main_#res;havoc main_#t~ret66, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6; 48#L672true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 66#L680true main_#t~ret66 := valid_product_#res;main_~tmp~6 := main_#t~ret66;havoc main_#t~ret66; 45#L767true assume 0 != main_~tmp~6; 41#L744true havoc test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 61#L789-1true [2021-08-31 03:43:42,945 INFO L793 eck$LassoCheckResult]: Loop: 61#L789-1true assume !false; 14#L593true assume test_~splverifierCounter~0 < 4; 33#L594true test_~tmp~5 := test_#t~nondet61;havoc test_#t~nondet61; 16#L602true assume !(0 != test_~tmp~5); 42#L602-1true test_~tmp___0~1 := test_#t~nondet62;havoc test_#t~nondet62; 5#L612true assume !(0 != test_~tmp___0~1); 49#L612-1true test_~tmp___2~0 := test_#t~nondet63;havoc test_#t~nondet63; 30#L622true assume 0 != test_~tmp___2~0; 11#L628-2true assume !(0 != ~pumpRunning~0); 21#L434true assume !(0 != ~systemActive~0); 26#L441true havoc __utac_acc__Specification1_spec__1_#t~ret67, __utac_acc__Specification1_spec__1_#t~ret68, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 19#L851true __utac_acc__Specification1_spec__1_#t~ret67 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret67;havoc __utac_acc__Specification1_spec__1_#t~ret67; 4#L789true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 61#L789-1true [2021-08-31 03:43:42,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:43:42,949 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-08-31 03:43:42,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:43:42,954 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936237515] [2021-08-31 03:43:42,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:43:42,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:43:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:43:43,145 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:43:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:43:43,272 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:43:43,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:43:43,275 INFO L82 PathProgramCache]: Analyzing trace with hash -1681529854, now seen corresponding path program 1 times [2021-08-31 03:43:43,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:43:43,276 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770554167] [2021-08-31 03:43:43,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:43:43,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:43:43,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:43:43,283 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:43:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:43:43,298 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:43:43,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:43:43,299 INFO L82 PathProgramCache]: Analyzing trace with hash 32749084, now seen corresponding path program 1 times [2021-08-31 03:43:43,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:43:43,300 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176406961] [2021-08-31 03:43:43,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:43:43,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:43:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:43:43,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 03:43:43,432 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:43:43,433 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176406961] [2021-08-31 03:43:43,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176406961] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:43:43,433 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:43:43,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-31 03:43:43,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978936680] [2021-08-31 03:43:43,536 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:43:43,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-31 03:43:43,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-31 03:43:43,563 INFO L87 Difference]: Start difference. First operand has 75 states, 74 states have (on average 1.5405405405405406) internal successors, (114), 74 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:43:43,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:43:43,783 INFO L93 Difference]: Finished difference Result 75 states and 103 transitions. [2021-08-31 03:43:43,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-31 03:43:43,787 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 103 transitions. [2021-08-31 03:43:43,789 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2021-08-31 03:43:43,791 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 68 states and 96 transitions. [2021-08-31 03:43:43,792 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 68 [2021-08-31 03:43:43,792 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 68 [2021-08-31 03:43:43,793 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 96 transitions. [2021-08-31 03:43:43,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:43:43,793 INFO L681 BuchiCegarLoop]: Abstraction has 68 states and 96 transitions. [2021-08-31 03:43:43,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 96 transitions. [2021-08-31 03:43:43,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2021-08-31 03:43:43,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 68 states have (on average 1.411764705882353) internal successors, (96), 67 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:43:43,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 96 transitions. [2021-08-31 03:43:43,811 INFO L704 BuchiCegarLoop]: Abstraction has 68 states and 96 transitions. [2021-08-31 03:43:43,811 INFO L587 BuchiCegarLoop]: Abstraction has 68 states and 96 transitions. [2021-08-31 03:43:43,812 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 03:43:43,812 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states and 96 transitions. [2021-08-31 03:43:43,813 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2021-08-31 03:43:43,813 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:43:43,813 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:43:43,813 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 03:43:43,813 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:43:43,814 INFO L791 eck$LassoCheckResult]: Stem: 231#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(13);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(110, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(102, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(102, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 3 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string51.base, #t~string51.offset, 1);call write~init~int(80, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(117, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(109, #t~string51.base, 3 + #t~string51.offset, 1);call write~init~int(112, #t~string51.base, 4 + #t~string51.offset, 1);call write~init~int(58, #t~string51.base, 5 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 6 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(110, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string57.base, #t~string57.offset, 1);call write~init~int(32, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string59.base, #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 1 + #t~string59.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(13);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string72.base, #t~string72.offset, 1);call write~init~int(77, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(101, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(116, #t~string72.base, 3 + #t~string72.offset, 1);call write~init~int(104, #t~string72.base, 4 + #t~string72.offset, 1);call write~init~int(58, #t~string72.base, 5 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 6 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string74.base, #t~string74.offset, 1);call write~init~int(82, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(73, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(84, #t~string74.base, 3 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 4 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string76.base, #t~string76.offset, 1);call write~init~int(75, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 2 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string78.base, #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 1 + #t~string78.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 225#L-1 havoc main_#res;havoc main_#t~ret66, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6; 226#L672 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 228#L680 main_#t~ret66 := valid_product_#res;main_~tmp~6 := main_#t~ret66;havoc main_#t~ret66; 227#L767 assume 0 != main_~tmp~6; 223#L744 havoc test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 169#L789-1 [2021-08-31 03:43:43,814 INFO L793 eck$LassoCheckResult]: Loop: 169#L789-1 assume !false; 193#L593 assume test_~splverifierCounter~0 < 4; 194#L594 test_~tmp~5 := test_#t~nondet61;havoc test_#t~nondet61; 196#L602 assume !(0 != test_~tmp~5); 198#L602-1 test_~tmp___0~1 := test_#t~nondet62;havoc test_#t~nondet62; 173#L612 assume !(0 != test_~tmp___0~1); 174#L612-1 test_~tmp___2~0 := test_#t~nondet63;havoc test_#t~nondet63; 213#L622 assume 0 != test_~tmp___2~0; 189#L628-2 assume !(0 != ~pumpRunning~0); 190#L434 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret42, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 203#L466 assume !(0 == ~pumpRunning~0); 210#L441 havoc __utac_acc__Specification1_spec__1_#t~ret67, __utac_acc__Specification1_spec__1_#t~ret68, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 201#L851 __utac_acc__Specification1_spec__1_#t~ret67 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret67;havoc __utac_acc__Specification1_spec__1_#t~ret67; 168#L789 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 169#L789-1 [2021-08-31 03:43:43,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:43:43,814 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-08-31 03:43:43,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:43:43,815 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007127901] [2021-08-31 03:43:43,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:43:43,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:43:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:43:43,835 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:43:43,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:43:43,862 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:43:43,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:43:43,862 INFO L82 PathProgramCache]: Analyzing trace with hash -619428453, now seen corresponding path program 1 times [2021-08-31 03:43:43,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:43:43,863 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114117532] [2021-08-31 03:43:43,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:43:43,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:43:43,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:43:43,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 03:43:43,884 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:43:43,884 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114117532] [2021-08-31 03:43:43,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114117532] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:43:43,885 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:43:43,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 03:43:43,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967541091] [2021-08-31 03:43:43,885 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 03:43:43,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:43:43,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 03:43:43,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 03:43:43,886 INFO L87 Difference]: Start difference. First operand 68 states and 96 transitions. cyclomatic complexity: 30 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:43:44,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:43:44,044 INFO L93 Difference]: Finished difference Result 109 states and 147 transitions. [2021-08-31 03:43:44,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 03:43:44,045 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 109 states and 147 transitions. [2021-08-31 03:43:44,046 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 76 [2021-08-31 03:43:44,047 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 109 states to 109 states and 147 transitions. [2021-08-31 03:43:44,047 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 109 [2021-08-31 03:43:44,048 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 109 [2021-08-31 03:43:44,048 INFO L73 IsDeterministic]: Start isDeterministic. Operand 109 states and 147 transitions. [2021-08-31 03:43:44,048 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:43:44,048 INFO L681 BuchiCegarLoop]: Abstraction has 109 states and 147 transitions. [2021-08-31 03:43:44,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states and 147 transitions. [2021-08-31 03:43:44,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2021-08-31 03:43:44,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 109 states have (on average 1.348623853211009) internal successors, (147), 108 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:43:44,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 147 transitions. [2021-08-31 03:43:44,053 INFO L704 BuchiCegarLoop]: Abstraction has 109 states and 147 transitions. [2021-08-31 03:43:44,053 INFO L587 BuchiCegarLoop]: Abstraction has 109 states and 147 transitions. [2021-08-31 03:43:44,054 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 03:43:44,054 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 109 states and 147 transitions. [2021-08-31 03:43:44,054 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 76 [2021-08-31 03:43:44,054 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:43:44,054 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:43:44,055 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 03:43:44,055 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:43:44,055 INFO L791 eck$LassoCheckResult]: Stem: 420#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(13);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(110, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(102, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(102, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 3 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string51.base, #t~string51.offset, 1);call write~init~int(80, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(117, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(109, #t~string51.base, 3 + #t~string51.offset, 1);call write~init~int(112, #t~string51.base, 4 + #t~string51.offset, 1);call write~init~int(58, #t~string51.base, 5 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 6 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(110, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string57.base, #t~string57.offset, 1);call write~init~int(32, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string59.base, #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 1 + #t~string59.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(13);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string72.base, #t~string72.offset, 1);call write~init~int(77, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(101, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(116, #t~string72.base, 3 + #t~string72.offset, 1);call write~init~int(104, #t~string72.base, 4 + #t~string72.offset, 1);call write~init~int(58, #t~string72.base, 5 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 6 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string74.base, #t~string74.offset, 1);call write~init~int(82, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(73, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(84, #t~string74.base, 3 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 4 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string76.base, #t~string76.offset, 1);call write~init~int(75, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 2 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string78.base, #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 1 + #t~string78.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 414#L-1 havoc main_#res;havoc main_#t~ret66, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6; 415#L672 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 417#L680 main_#t~ret66 := valid_product_#res;main_~tmp~6 := main_#t~ret66;havoc main_#t~ret66; 416#L767 assume 0 != main_~tmp~6; 411#L744 havoc test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 352#L789-1 [2021-08-31 03:43:44,055 INFO L793 eck$LassoCheckResult]: Loop: 352#L789-1 assume !false; 376#L593 assume test_~splverifierCounter~0 < 4; 377#L594 test_~tmp~5 := test_#t~nondet61;havoc test_#t~nondet61; 381#L602 assume !(0 != test_~tmp~5); 383#L602-1 test_~tmp___0~1 := test_#t~nondet62;havoc test_#t~nondet62; 354#L612 assume !(0 != test_~tmp___0~1); 355#L612-1 test_~tmp___2~0 := test_#t~nondet63;havoc test_#t~nondet63; 399#L622 assume 0 != test_~tmp___2~0; 367#L628-2 assume !(0 != ~pumpRunning~0); 368#L434 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret42, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 387#L466 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret60, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; 363#L891 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; 364#L896 isHighWaterLevel_#t~ret60 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret60;havoc isHighWaterLevel_#t~ret60; 375#L568 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~0 := 0; 403#L568-2 isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; 404#L574 processEnvironment_#t~ret42 := isHighWaterLevel_#res;processEnvironment_~tmp~3 := processEnvironment_#t~ret42;havoc processEnvironment_#t~ret42; 412#L470 assume !(0 != processEnvironment_~tmp~3); 413#L441 havoc __utac_acc__Specification1_spec__1_#t~ret67, __utac_acc__Specification1_spec__1_#t~ret68, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 448#L851 __utac_acc__Specification1_spec__1_#t~ret67 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret67;havoc __utac_acc__Specification1_spec__1_#t~ret67; 351#L789 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 352#L789-1 [2021-08-31 03:43:44,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:43:44,055 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2021-08-31 03:43:44,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:43:44,056 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941993119] [2021-08-31 03:43:44,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:43:44,056 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:43:44,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:43:44,123 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:43:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:43:44,186 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:43:44,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:43:44,186 INFO L82 PathProgramCache]: Analyzing trace with hash -22033881, now seen corresponding path program 1 times [2021-08-31 03:43:44,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:43:44,187 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352291304] [2021-08-31 03:43:44,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:43:44,187 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:43:44,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:43:44,190 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:43:44,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:43:44,194 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:43:44,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:43:44,194 INFO L82 PathProgramCache]: Analyzing trace with hash -7321907, now seen corresponding path program 1 times [2021-08-31 03:43:44,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:43:44,194 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991790997] [2021-08-31 03:43:44,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:43:44,194 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:43:44,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:43:44,218 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:43:44,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:43:44,242 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:44:25,481 WARN L210 SmtUtils]: Spent 41.07s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-08-31 03:45:07,122 WARN L210 SmtUtils]: Spent 20.85s on a formula simplification that was a NOOP. DAG size: 433 [2021-08-31 03:45:07,220 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) at de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData.toString(StatisticsData.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerTimingBenchmark.toString(BuchiAutomizerTimingBenchmark.java:44) at de.uni_freiburg.informatik.ultimate.core.lib.results.StatisticsResult.getLongDescription(StatisticsResult.java:58) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.reportResult(BuchiAutomizerObserver.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-31 03:45:07,222 INFO L158 Benchmark]: Toolchain (without parser) took 85383.03ms. Allocated memory was 58.7MB in the beginning and 107.0MB in the end (delta: 48.2MB). Free memory was 42.9MB in the beginning and 72.7MB in the end (delta: -29.8MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. [2021-08-31 03:45:07,223 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 46.1MB. Free memory was 28.6MB in the beginning and 28.6MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 03:45:07,223 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.26ms. Allocated memory is still 58.7MB. Free memory was 42.5MB in the beginning and 34.8MB in the end (delta: 7.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-08-31 03:45:07,224 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.75ms. Allocated memory is still 58.7MB. Free memory was 34.8MB in the beginning and 32.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-31 03:45:07,224 INFO L158 Benchmark]: Boogie Preprocessor took 39.07ms. Allocated memory is still 58.7MB. Free memory was 32.0MB in the beginning and 29.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 03:45:07,224 INFO L158 Benchmark]: RCFGBuilder took 474.87ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 29.8MB in the beginning and 55.6MB in the end (delta: -25.8MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2021-08-31 03:45:07,225 INFO L158 Benchmark]: BuchiAutomizer took 84423.55ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 55.2MB in the beginning and 72.7MB in the end (delta: -17.5MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. [2021-08-31 03:45:07,227 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 46.1MB. Free memory was 28.6MB in the beginning and 28.6MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 375.26ms. Allocated memory is still 58.7MB. Free memory was 42.5MB in the beginning and 34.8MB in the end (delta: 7.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.75ms. Allocated memory is still 58.7MB. Free memory was 34.8MB in the beginning and 32.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.07ms. Allocated memory is still 58.7MB. Free memory was 32.0MB in the beginning and 29.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 474.87ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 29.8MB in the beginning and 55.6MB in the end (delta: -25.8MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 84423.55ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 55.2MB in the beginning and 72.7MB in the end (delta: -17.5MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 109 locations. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6): de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-08-31 03:45:07,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...