./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product28.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_spec4_product28.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 be998c7f0ff858151615865f07914b789231e9b9 .................................................................................................................................................................................................................................................................................................................................... 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 04:04:11,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 04:04:11,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 04:04:11,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 04:04:11,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 04:04:11,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 04:04:11,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 04:04:11,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 04:04:11,125 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 04:04:11,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 04:04:11,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 04:04:11,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 04:04:11,135 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 04:04:11,137 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 04:04:11,140 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 04:04:11,142 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 04:04:11,142 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 04:04:11,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 04:04:11,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 04:04:11,155 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 04:04:11,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 04:04:11,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 04:04:11,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 04:04:11,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 04:04:11,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 04:04:11,170 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 04:04:11,170 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 04:04:11,171 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 04:04:11,172 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 04:04:11,173 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 04:04:11,173 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 04:04:11,174 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 04:04:11,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 04:04:11,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 04:04:11,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 04:04:11,177 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 04:04:11,178 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 04:04:11,178 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 04:04:11,179 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 04:04:11,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 04:04:11,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 04:04:11,182 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 04:04:11,218 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 04:04:11,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 04:04:11,219 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 04:04:11,220 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 04:04:11,221 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 04:04:11,222 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 04:04:11,222 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 04:04:11,222 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 04:04:11,222 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 04:04:11,222 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 04:04:11,223 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 04:04:11,224 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 04:04:11,224 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 04:04:11,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 04:04:11,224 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 04:04:11,224 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 04:04:11,225 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 04:04:11,225 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 04:04:11,225 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 04:04:11,225 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 04:04:11,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 04:04:11,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 04:04:11,226 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 04:04:11,226 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 04:04:11,226 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 04:04:11,226 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 04:04:11,226 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 04:04:11,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 04:04:11,227 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 04:04:11,227 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 04:04:11,227 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 04:04:11,227 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 04:04:11,229 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 04:04:11,229 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be998c7f0ff858151615865f07914b789231e9b9 [2021-08-31 04:04:11,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 04:04:11,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 04:04:11,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 04:04:11,544 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 04:04:11,545 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 04:04:11,546 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2021-08-31 04:04:11,609 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3522ad3f9/bc073365bfd54a0d93da751c631d0e72/FLAGd66e90cd6 [2021-08-31 04:04:12,139 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 04:04:12,141 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2021-08-31 04:04:12,155 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3522ad3f9/bc073365bfd54a0d93da751c631d0e72/FLAGd66e90cd6 [2021-08-31 04:04:12,463 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3522ad3f9/bc073365bfd54a0d93da751c631d0e72 [2021-08-31 04:04:12,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 04:04:12,467 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 04:04:12,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 04:04:12,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 04:04:12,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 04:04:12,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:04:12" (1/1) ... [2021-08-31 04:04:12,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f6f4441 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:04:12, skipping insertion in model container [2021-08-31 04:04:12,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:04:12" (1/1) ... [2021-08-31 04:04:12,480 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 04:04:12,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 04:04:12,663 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_spec4_product28.cil.c[1281,1294] [2021-08-31 04:04:12,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 04:04:12,837 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 04:04:12,859 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_spec4_product28.cil.c[1281,1294] [2021-08-31 04:04:12,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 04:04:12,953 INFO L208 MainTranslator]: Completed translation [2021-08-31 04:04:12,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:04:12 WrapperNode [2021-08-31 04:04:12,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 04:04:12,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 04:04:12,955 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 04:04:12,955 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 04:04:12,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:04:12" (1/1) ... [2021-08-31 04:04:12,974 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:04:12" (1/1) ... [2021-08-31 04:04:13,009 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 04:04:13,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 04:04:13,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 04:04:13,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 04:04:13,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:04:12" (1/1) ... [2021-08-31 04:04:13,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:04:12" (1/1) ... [2021-08-31 04:04:13,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:04:12" (1/1) ... [2021-08-31 04:04:13,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:04:12" (1/1) ... [2021-08-31 04:04:13,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:04:12" (1/1) ... [2021-08-31 04:04:13,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:04:12" (1/1) ... [2021-08-31 04:04:13,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:04:12" (1/1) ... [2021-08-31 04:04:13,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 04:04:13,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 04:04:13,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 04:04:13,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 04:04:13,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:04:12" (1/1) ... [2021-08-31 04:04:13,058 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:04:13,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:04:13,080 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 04:04:13,084 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 04:04:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 04:04:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 04:04:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 04:04:13,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 04:04:13,746 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 04:04:13,747 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-08-31 04:04:13,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:04:13 BoogieIcfgContainer [2021-08-31 04:04:13,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 04:04:13,750 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 04:04:13,750 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 04:04:13,753 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 04:04:13,754 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:04:13,755 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 04:04:12" (1/3) ... [2021-08-31 04:04:13,756 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@43349a8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 04:04:13, skipping insertion in model container [2021-08-31 04:04:13,756 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:04:13,756 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:04:12" (2/3) ... [2021-08-31 04:04:13,756 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@43349a8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 04:04:13, skipping insertion in model container [2021-08-31 04:04:13,756 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:04:13,757 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:04:13" (3/3) ... [2021-08-31 04:04:13,758 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product28.cil.c [2021-08-31 04:04:13,806 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 04:04:13,806 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 04:04:13,807 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 04:04:13,807 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 04:04:13,807 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 04:04:13,807 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 04:04:13,807 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 04:04:13,807 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 04:04:13,824 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 74 states, 73 states have (on average 1.5205479452054795) internal successors, (111), 73 states have internal predecessors, (111), 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 04:04:13,853 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2021-08-31 04:04:13,853 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:04:13,853 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:04:13,859 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 04:04:13,860 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:04:13,860 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 04:04:13,862 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 74 states, 73 states have (on average 1.5205479452054795) internal successors, (111), 73 states have internal predecessors, (111), 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 04:04:13,873 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2021-08-31 04:04:13,873 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:04:13,873 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:04:13,874 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 04:04:13,875 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:04:13,885 INFO L791 eck$LassoCheckResult]: Stem: 55#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~string49.base, #t~string49.offset := #Ultimate.allocOnStack(13);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string55.base, #t~string55.offset, 1);call write~init~int(80, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(117, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(109, #t~string55.base, 3 + #t~string55.offset, 1);call write~init~int(112, #t~string55.base, 4 + #t~string55.offset, 1);call write~init~int(58, #t~string55.base, 5 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 6 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string61.base, #t~string61.offset, 1);call write~init~int(32, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string63.base, #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 1 + #t~string63.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 47#L-1true havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; 46#L470true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 70#L478true main_#t~ret75 := valid_product_#res;main_~tmp~7 := main_#t~ret75;havoc main_#t~ret75; 48#L860true assume 0 != main_~tmp~7; 21#L836true havoc test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 72#L427-1true [2021-08-31 04:04:13,886 INFO L793 eck$LassoCheckResult]: Loop: 72#L427-1true assume !false; 60#L885true assume test_~splverifierCounter~0 < 4; 71#L886true test_~tmp~8 := test_#t~nondet76;havoc test_#t~nondet76; 41#L894true assume !(0 != test_~tmp~8); 63#L894-1true test_~tmp___0~2 := test_#t~nondet77;havoc test_#t~nondet77; 33#L904true assume !(0 != test_~tmp___0~2); 65#L904-1true test_~tmp___2~0 := test_#t~nondet78;havoc test_#t~nondet78; 18#L914true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 14#L922-1true assume !(0 != ~pumpRunning~0); 52#L500true assume !(0 != ~systemActive~0); 31#L507true havoc __utac_acc__Specification4_spec__1_#t~ret42, __utac_acc__Specification4_spec__1_#t~ret43, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 8#L763true __utac_acc__Specification4_spec__1_#t~ret42 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret42;havoc __utac_acc__Specification4_spec__1_#t~ret42; 32#L427true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); 72#L427-1true [2021-08-31 04:04:13,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:04:13,892 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-08-31 04:04:13,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:04:13,900 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384782467] [2021-08-31 04:04:13,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:04:13,901 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:04:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:04:14,144 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:04:14,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:04:14,276 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:04:14,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:04:14,281 INFO L82 PathProgramCache]: Analyzing trace with hash -1672140724, now seen corresponding path program 1 times [2021-08-31 04:04:14,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:04:14,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925188558] [2021-08-31 04:04:14,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:04:14,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:04:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:04:14,353 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 04:04:14,353 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:04:14,354 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925188558] [2021-08-31 04:04:14,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925188558] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:04:14,355 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:04:14,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 04:04:14,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131222267] [2021-08-31 04:04:14,359 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 04:04:14,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:04:14,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 04:04:14,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 04:04:14,395 INFO L87 Difference]: Start difference. First operand has 74 states, 73 states have (on average 1.5205479452054795) internal successors, (111), 73 states have internal predecessors, (111), 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 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 04:04:14,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:04:14,784 INFO L93 Difference]: Finished difference Result 142 states and 198 transitions. [2021-08-31 04:04:14,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 04:04:14,792 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 198 transitions. [2021-08-31 04:04:14,802 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 90 [2021-08-31 04:04:14,808 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 128 states and 183 transitions. [2021-08-31 04:04:14,809 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 128 [2021-08-31 04:04:14,811 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 128 [2021-08-31 04:04:14,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 128 states and 183 transitions. [2021-08-31 04:04:14,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:04:14,814 INFO L681 BuchiCegarLoop]: Abstraction has 128 states and 183 transitions. [2021-08-31 04:04:14,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states and 183 transitions. [2021-08-31 04:04:14,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2021-08-31 04:04:14,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 126 states have (on average 1.4285714285714286) internal successors, (180), 125 states have internal predecessors, (180), 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 04:04:14,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 180 transitions. [2021-08-31 04:04:14,860 INFO L704 BuchiCegarLoop]: Abstraction has 126 states and 180 transitions. [2021-08-31 04:04:14,860 INFO L587 BuchiCegarLoop]: Abstraction has 126 states and 180 transitions. [2021-08-31 04:04:14,861 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 04:04:14,861 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 180 transitions. [2021-08-31 04:04:14,863 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 88 [2021-08-31 04:04:14,866 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:04:14,866 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:04:14,867 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 04:04:14,867 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:04:14,868 INFO L791 eck$LassoCheckResult]: Stem: 293#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~string49.base, #t~string49.offset := #Ultimate.allocOnStack(13);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string55.base, #t~string55.offset, 1);call write~init~int(80, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(117, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(109, #t~string55.base, 3 + #t~string55.offset, 1);call write~init~int(112, #t~string55.base, 4 + #t~string55.offset, 1);call write~init~int(58, #t~string55.base, 5 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 6 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string61.base, #t~string61.offset, 1);call write~init~int(32, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string63.base, #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 1 + #t~string63.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 287#L-1 havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; 285#L470 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 286#L478 main_#t~ret75 := valid_product_#res;main_~tmp~7 := main_#t~ret75;havoc main_#t~ret75; 288#L860 assume 0 != main_~tmp~7; 256#L836 havoc test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 257#L427-1 [2021-08-31 04:04:14,868 INFO L793 eck$LassoCheckResult]: Loop: 257#L427-1 assume !false; 328#L885 assume test_~splverifierCounter~0 < 4; 301#L886 test_~tmp~8 := test_#t~nondet76;havoc test_#t~nondet76; 279#L894 assume !(0 != test_~tmp~8); 281#L894-1 test_~tmp___0~2 := test_#t~nondet77;havoc test_#t~nondet77; 344#L904 assume !(0 != test_~tmp___0~2); 341#L904-1 test_~tmp___2~0 := test_#t~nondet78;havoc test_#t~nondet78; 340#L914 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 251#L922-1 assume !(0 != ~pumpRunning~0); 337#L500 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret45, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 335#L532 assume !(0 != ~pumpRunning~0); 333#L507 havoc __utac_acc__Specification4_spec__1_#t~ret42, __utac_acc__Specification4_spec__1_#t~ret43, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 332#L763 __utac_acc__Specification4_spec__1_#t~ret42 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret42;havoc __utac_acc__Specification4_spec__1_#t~ret42; 330#L427 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); 257#L427-1 [2021-08-31 04:04:14,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:04:14,870 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-08-31 04:04:14,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:04:14,871 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009756221] [2021-08-31 04:04:14,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:04:14,871 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:04:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:04:14,977 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:04:15,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:04:15,075 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:04:15,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:04:15,076 INFO L82 PathProgramCache]: Analyzing trace with hash -323747813, now seen corresponding path program 1 times [2021-08-31 04:04:15,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:04:15,077 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509532651] [2021-08-31 04:04:15,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:04:15,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:04:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:04:15,083 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:04:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:04:15,092 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:04:15,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:04:15,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1279291713, now seen corresponding path program 1 times [2021-08-31 04:04:15,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:04:15,095 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320161863] [2021-08-31 04:04:15,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:04:15,097 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:04:15,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:04:15,143 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:04:15,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:04:15,214 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:04:55,613 WARN L210 SmtUtils]: Spent 40.27s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-08-31 04:05:38,708 WARN L210 SmtUtils]: Spent 21.39s on a formula simplification that was a NOOP. DAG size: 433 [2021-08-31 04:05:38,800 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 04:05:38,801 INFO L158 Benchmark]: Toolchain (without parser) took 86334.60ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 42.5MB in the beginning and 54.6MB in the end (delta: -12.0MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. [2021-08-31 04:05:38,802 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 62.9MB. Free memory was 45.0MB in the beginning and 44.9MB in the end (delta: 49.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 04:05:38,802 INFO L158 Benchmark]: CACSL2BoogieTranslator took 486.08ms. Allocated memory is still 62.9MB. Free memory was 42.4MB in the beginning and 39.1MB in the end (delta: 3.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-08-31 04:05:38,803 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.77ms. Allocated memory is still 62.9MB. Free memory was 39.0MB in the beginning and 36.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-31 04:05:38,803 INFO L158 Benchmark]: Boogie Preprocessor took 28.35ms. Allocated memory is still 62.9MB. Free memory was 36.2MB in the beginning and 34.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 04:05:38,804 INFO L158 Benchmark]: RCFGBuilder took 702.59ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 34.1MB in the beginning and 48.6MB in the end (delta: -14.6MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2021-08-31 04:05:38,804 INFO L158 Benchmark]: BuchiAutomizer took 85050.87ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 48.6MB in the beginning and 54.6MB in the end (delta: -5.9MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2021-08-31 04:05:38,808 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 62.9MB. Free memory was 45.0MB in the beginning and 44.9MB in the end (delta: 49.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 486.08ms. Allocated memory is still 62.9MB. Free memory was 42.4MB in the beginning and 39.1MB in the end (delta: 3.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.77ms. Allocated memory is still 62.9MB. Free memory was 39.0MB in the beginning and 36.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.35ms. Allocated memory is still 62.9MB. Free memory was 36.2MB in the beginning and 34.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 702.59ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 34.1MB in the beginning and 48.6MB in the end (delta: -14.6MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 85050.87ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 48.6MB in the beginning and 54.6MB in the end (delta: -5.9MB). Peak memory consumption was 47.0MB. 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 126 locations. * 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 04:05:38,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...