./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product44.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_spec2_product44.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 41f42675c60ac44d105cf71847968c4edf76aefd .......................................................................................................................................................................................................................................................................................................................................................................................... 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 03:52:06,334 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 03:52:06,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 03:52:06,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 03:52:06,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 03:52:06,361 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 03:52:06,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 03:52:06,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 03:52:06,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 03:52:06,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 03:52:06,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 03:52:06,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 03:52:06,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 03:52:06,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 03:52:06,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 03:52:06,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 03:52:06,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 03:52:06,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 03:52:06,370 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 03:52:06,371 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 03:52:06,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 03:52:06,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 03:52:06,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 03:52:06,374 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 03:52:06,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 03:52:06,376 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 03:52:06,376 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 03:52:06,377 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 03:52:06,377 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 03:52:06,378 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 03:52:06,378 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 03:52:06,379 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 03:52:06,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 03:52:06,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 03:52:06,380 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 03:52:06,380 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 03:52:06,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 03:52:06,381 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 03:52:06,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 03:52:06,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 03:52:06,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 03:52:06,383 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 03:52:06,399 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 03:52:06,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 03:52:06,399 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 03:52:06,399 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 03:52:06,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 03:52:06,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 03:52:06,400 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 03:52:06,401 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 03:52:06,401 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 03:52:06,401 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 03:52:06,401 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 03:52:06,401 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 03:52:06,401 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 03:52:06,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 03:52:06,401 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 03:52:06,402 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 03:52:06,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 03:52:06,402 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 03:52:06,402 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 03:52:06,405 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 03:52:06,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 03:52:06,406 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 03:52:06,406 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 03:52:06,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 03:52:06,406 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 03:52:06,406 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 03:52:06,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 03:52:06,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 03:52:06,406 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 03:52:06,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 03:52:06,407 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 03:52:06,407 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 03:52:06,408 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 03:52:06,408 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41f42675c60ac44d105cf71847968c4edf76aefd [2021-08-31 03:52:06,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 03:52:06,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 03:52:06,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 03:52:06,698 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 03:52:06,698 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 03:52:06,699 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product44.cil.c [2021-08-31 03:52:06,748 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4175472ce/9df5bf56894f44b096c88a49ce4745e5/FLAGbe6b203b7 [2021-08-31 03:52:07,109 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 03:52:07,110 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product44.cil.c [2021-08-31 03:52:07,125 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4175472ce/9df5bf56894f44b096c88a49ce4745e5/FLAGbe6b203b7 [2021-08-31 03:52:07,136 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4175472ce/9df5bf56894f44b096c88a49ce4745e5 [2021-08-31 03:52:07,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 03:52:07,139 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 03:52:07,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 03:52:07,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 03:52:07,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 03:52:07,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:52:07" (1/1) ... [2021-08-31 03:52:07,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65550b36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:52:07, skipping insertion in model container [2021-08-31 03:52:07,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:52:07" (1/1) ... [2021-08-31 03:52:07,149 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 03:52:07,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 03:52:07,310 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_spec2_product44.cil.c[1281,1294] [2021-08-31 03:52:07,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:52:07,468 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 03:52:07,479 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_spec2_product44.cil.c[1281,1294] [2021-08-31 03:52:07,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:52:07,537 INFO L208 MainTranslator]: Completed translation [2021-08-31 03:52:07,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:52:07 WrapperNode [2021-08-31 03:52:07,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 03:52:07,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 03:52:07,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 03:52:07,539 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 03:52:07,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:52:07" (1/1) ... [2021-08-31 03:52:07,554 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:52:07" (1/1) ... [2021-08-31 03:52:07,594 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 03:52:07,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 03:52:07,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 03:52:07,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 03:52:07,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:52:07" (1/1) ... [2021-08-31 03:52:07,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:52:07" (1/1) ... [2021-08-31 03:52:07,613 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:52:07" (1/1) ... [2021-08-31 03:52:07,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:52:07" (1/1) ... [2021-08-31 03:52:07,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:52:07" (1/1) ... [2021-08-31 03:52:07,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:52:07" (1/1) ... [2021-08-31 03:52:07,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:52:07" (1/1) ... [2021-08-31 03:52:07,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 03:52:07,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 03:52:07,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 03:52:07,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 03:52:07,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:52:07" (1/1) ... [2021-08-31 03:52:07,645 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:52:07,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:52:07,661 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 03:52:07,690 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 03:52:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 03:52:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 03:52:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 03:52:07,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 03:52:08,083 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 03:52:08,083 INFO L299 CfgBuilder]: Removed 122 assume(true) statements. [2021-08-31 03:52:08,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:52:08 BoogieIcfgContainer [2021-08-31 03:52:08,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 03:52:08,085 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 03:52:08,085 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 03:52:08,087 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 03:52:08,088 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:52:08,088 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 03:52:07" (1/3) ... [2021-08-31 03:52:08,088 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e6a26c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:52:08, skipping insertion in model container [2021-08-31 03:52:08,088 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:52:08,089 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:52:07" (2/3) ... [2021-08-31 03:52:08,089 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e6a26c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:52:08, skipping insertion in model container [2021-08-31 03:52:08,089 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:52:08,089 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:52:08" (3/3) ... [2021-08-31 03:52:08,090 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product44.cil.c [2021-08-31 03:52:08,115 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 03:52:08,115 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 03:52:08,115 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 03:52:08,115 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 03:52:08,115 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 03:52:08,115 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 03:52:08,116 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 03:52:08,116 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 03:52:08,129 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 90 states, 89 states have (on average 1.5280898876404494) internal successors, (136), 89 states have internal predecessors, (136), 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 03:52:08,142 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2021-08-31 03:52:08,142 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:52:08,142 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:52:08,146 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:52:08,147 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:52:08,147 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 03:52:08,148 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 90 states, 89 states have (on average 1.5280898876404494) internal successors, (136), 89 states have internal predecessors, (136), 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 03:52:08,160 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2021-08-31 03:52:08,160 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:52:08,160 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:52:08,160 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:52:08,160 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:52:08,171 INFO L791 eck$LassoCheckResult]: Stem: 73#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~string15.base, #t~string15.offset := #Ultimate.allocOnStack(13);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(21);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(30);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(9);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 59#L-1true havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4; 40#L353true 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; 11#L361true main_#t~ret32 := valid_product_#res;main_~tmp~4 := main_#t~ret32;havoc main_#t~ret32; 34#L450true assume 0 != main_~tmp~4; 56#L425true ~methAndRunningLastTime~0 := 0; 58#L470true havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 62#L481-1true [2021-08-31 03:52:08,171 INFO L793 eck$LassoCheckResult]: Loop: 62#L481-1true assume !false; 79#L68true assume test_~splverifierCounter~0 < 4; 23#L69true test_~tmp~0 := test_#t~nondet7;havoc test_#t~nondet7; 15#L77true assume !(0 != test_~tmp~0); 30#L77-1true test_~tmp___0~0 := test_#t~nondet8;havoc test_#t~nondet8; 77#L87true assume !(0 != test_~tmp___0~0); 16#L87-1true test_~tmp___2~0 := test_#t~nondet9;havoc test_#t~nondet9; 10#L97true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 84#L105-1true assume !(0 != ~pumpRunning~0); 48#L142true assume !(0 != ~systemActive~0); 33#L149true havoc __utac_acc__Specification2_spec__2_#t~ret33, __utac_acc__Specification2_spec__2_#t~ret34, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 39#L547-1true __utac_acc__Specification2_spec__2_#t~ret33 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret33;havoc __utac_acc__Specification2_spec__2_#t~ret33; 32#L481true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 62#L481-1true [2021-08-31 03:52:08,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:52:08,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-08-31 03:52:08,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:52:08,183 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088044517] [2021-08-31 03:52:08,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:52:08,184 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:52:08,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:52:08,328 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:52:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:52:08,430 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:52:08,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:52:08,432 INFO L82 PathProgramCache]: Analyzing trace with hash 12634836, now seen corresponding path program 1 times [2021-08-31 03:52:08,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:52:08,432 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673610201] [2021-08-31 03:52:08,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:52:08,432 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:52:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:52:08,507 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 03:52:08,507 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:52:08,507 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673610201] [2021-08-31 03:52:08,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673610201] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:52:08,508 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:52:08,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 03:52:08,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111120450] [2021-08-31 03:52:08,511 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 03:52:08,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:52:08,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 03:52:08,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 03:52:08,536 INFO L87 Difference]: Start difference. First operand has 90 states, 89 states have (on average 1.5280898876404494) internal successors, (136), 89 states have internal predecessors, (136), 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 03:52:08,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:52:08,901 INFO L93 Difference]: Finished difference Result 173 states and 247 transitions. [2021-08-31 03:52:08,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 03:52:08,906 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 173 states and 247 transitions. [2021-08-31 03:52:08,908 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 110 [2021-08-31 03:52:08,911 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 173 states to 159 states and 232 transitions. [2021-08-31 03:52:08,912 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 159 [2021-08-31 03:52:08,912 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 159 [2021-08-31 03:52:08,912 INFO L73 IsDeterministic]: Start isDeterministic. Operand 159 states and 232 transitions. [2021-08-31 03:52:08,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:52:08,913 INFO L681 BuchiCegarLoop]: Abstraction has 159 states and 232 transitions. [2021-08-31 03:52:08,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states and 232 transitions. [2021-08-31 03:52:08,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 157. [2021-08-31 03:52:08,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 157 states have (on average 1.4585987261146496) internal successors, (229), 156 states have internal predecessors, (229), 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 03:52:08,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 229 transitions. [2021-08-31 03:52:08,936 INFO L704 BuchiCegarLoop]: Abstraction has 157 states and 229 transitions. [2021-08-31 03:52:08,936 INFO L587 BuchiCegarLoop]: Abstraction has 157 states and 229 transitions. [2021-08-31 03:52:08,936 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 03:52:08,936 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 157 states and 229 transitions. [2021-08-31 03:52:08,938 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 108 [2021-08-31 03:52:08,938 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:52:08,938 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:52:08,938 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:52:08,938 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:52:08,938 INFO L791 eck$LassoCheckResult]: Stem: 360#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~string15.base, #t~string15.offset := #Ultimate.allocOnStack(13);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(21);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(30);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(9);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 347#L-1 havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4; 330#L353 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; 288#L361 main_#t~ret32 := valid_product_#res;main_~tmp~4 := main_#t~ret32;havoc main_#t~ret32; 289#L450 assume 0 != main_~tmp~4; 324#L425 ~methAndRunningLastTime~0 := 0; 345#L470 havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 321#L481-1 [2021-08-31 03:52:08,939 INFO L793 eck$LassoCheckResult]: Loop: 321#L481-1 assume !false; 351#L68 assume test_~splverifierCounter~0 < 4; 363#L69 test_~tmp~0 := test_#t~nondet7;havoc test_#t~nondet7; 388#L77 assume !(0 != test_~tmp~0); 316#L77-1 test_~tmp___0~0 := test_#t~nondet8;havoc test_#t~nondet8; 317#L87 assume !(0 != test_~tmp___0~0); 385#L87-1 test_~tmp___2~0 := test_#t~nondet9;havoc test_#t~nondet9; 384#L97 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 286#L105-1 assume !(0 != ~pumpRunning~0); 337#L142 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 338#L174 assume !(0 == ~pumpRunning~0); 322#L149 havoc __utac_acc__Specification2_spec__2_#t~ret33, __utac_acc__Specification2_spec__2_#t~ret34, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 323#L547-1 __utac_acc__Specification2_spec__2_#t~ret33 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret33;havoc __utac_acc__Specification2_spec__2_#t~ret33; 319#L481 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 321#L481-1 [2021-08-31 03:52:08,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:52:08,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-08-31 03:52:08,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:52:08,939 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867603254] [2021-08-31 03:52:08,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:52:08,940 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:52:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:52:08,968 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:52:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:52:09,008 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:52:09,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:52:09,014 INFO L82 PathProgramCache]: Analyzing trace with hash 349910497, now seen corresponding path program 1 times [2021-08-31 03:52:09,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:52:09,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233996649] [2021-08-31 03:52:09,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:52:09,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:52:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:52:09,028 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 03:52:09,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:52:09,029 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233996649] [2021-08-31 03:52:09,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233996649] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:52:09,029 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:52:09,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 03:52:09,029 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933032639] [2021-08-31 03:52:09,029 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 03:52:09,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:52:09,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 03:52:09,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 03:52:09,030 INFO L87 Difference]: Start difference. First operand 157 states and 229 transitions. cyclomatic complexity: 75 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 03:52:09,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:52:09,261 INFO L93 Difference]: Finished difference Result 246 states and 347 transitions. [2021-08-31 03:52:09,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 03:52:09,262 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 246 states and 347 transitions. [2021-08-31 03:52:09,265 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 175 [2021-08-31 03:52:09,268 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 246 states to 246 states and 347 transitions. [2021-08-31 03:52:09,268 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 246 [2021-08-31 03:52:09,269 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 246 [2021-08-31 03:52:09,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 246 states and 347 transitions. [2021-08-31 03:52:09,270 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:52:09,270 INFO L681 BuchiCegarLoop]: Abstraction has 246 states and 347 transitions. [2021-08-31 03:52:09,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states and 347 transitions. [2021-08-31 03:52:09,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2021-08-31 03:52:09,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 246 states have (on average 1.410569105691057) internal successors, (347), 245 states have internal predecessors, (347), 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 03:52:09,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 347 transitions. [2021-08-31 03:52:09,279 INFO L704 BuchiCegarLoop]: Abstraction has 246 states and 347 transitions. [2021-08-31 03:52:09,279 INFO L587 BuchiCegarLoop]: Abstraction has 246 states and 347 transitions. [2021-08-31 03:52:09,279 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 03:52:09,279 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 246 states and 347 transitions. [2021-08-31 03:52:09,280 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 175 [2021-08-31 03:52:09,280 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:52:09,280 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:52:09,281 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:52:09,281 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 03:52:09,281 INFO L791 eck$LassoCheckResult]: Stem: 775#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~string15.base, #t~string15.offset := #Ultimate.allocOnStack(13);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(21);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(30);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(9);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 765#L-1 havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4; 745#L353 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; 697#L361 main_#t~ret32 := valid_product_#res;main_~tmp~4 := main_#t~ret32;havoc main_#t~ret32; 698#L450 assume 0 != main_~tmp~4; 734#L425 ~methAndRunningLastTime~0 := 0; 761#L470 havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 731#L481-1 [2021-08-31 03:52:09,281 INFO L793 eck$LassoCheckResult]: Loop: 731#L481-1 assume !false; 766#L68 assume test_~splverifierCounter~0 < 4; 717#L69 test_~tmp~0 := test_#t~nondet7;havoc test_#t~nondet7; 703#L77 assume !(0 != test_~tmp~0); 705#L77-1 test_~tmp___0~0 := test_#t~nondet8;havoc test_#t~nondet8; 727#L87 assume !(0 != test_~tmp___0~0); 706#L87-1 test_~tmp___2~0 := test_#t~nondet9;havoc test_#t~nondet9; 693#L97 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 695#L105-1 assume !(0 != ~pumpRunning~0); 752#L142 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 753#L174 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret30, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 778#L587 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 852#L592 isHighWaterLevel_#t~ret30 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret30;havoc isHighWaterLevel_#t~ret30; 851#L294 assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~1 := 0; 772#L294-2 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 773#L300 processEnvironment_#t~ret11 := isHighWaterLevel_#res;processEnvironment_~tmp~1 := processEnvironment_#t~ret11;havoc processEnvironment_#t~ret11; 748#L178 assume !(0 != processEnvironment_~tmp~1); 749#L149 havoc __utac_acc__Specification2_spec__2_#t~ret33, __utac_acc__Specification2_spec__2_#t~ret34, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 741#L547-1 __utac_acc__Specification2_spec__2_#t~ret33 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret33;havoc __utac_acc__Specification2_spec__2_#t~ret33; 729#L481 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 731#L481-1 [2021-08-31 03:52:09,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:52:09,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2021-08-31 03:52:09,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:52:09,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232301153] [2021-08-31 03:52:09,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:52:09,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:52:09,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:52:09,317 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:52:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:52:09,366 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:52:09,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:52:09,367 INFO L82 PathProgramCache]: Analyzing trace with hash -678068499, now seen corresponding path program 1 times [2021-08-31 03:52:09,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:52:09,367 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103252559] [2021-08-31 03:52:09,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:52:09,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:52:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:52:09,372 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:52:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:52:09,377 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:52:09,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:52:09,378 INFO L82 PathProgramCache]: Analyzing trace with hash 487508275, now seen corresponding path program 1 times [2021-08-31 03:52:09,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:52:09,378 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254117625] [2021-08-31 03:52:09,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:52:09,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:52:09,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:52:09,417 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:52:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:52:09,442 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:52:48,914 WARN L210 SmtUtils]: Spent 39.24s on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-08-31 03:53:31,474 WARN L210 SmtUtils]: Spent 20.41s on a formula simplification that was a NOOP. DAG size: 435 [2021-08-31 03:53:31,634 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 03:53:31,636 INFO L158 Benchmark]: Toolchain (without parser) took 84496.71ms. Allocated memory was 52.4MB in the beginning and 100.7MB in the end (delta: 48.2MB). Free memory was 29.0MB in the beginning and 30.5MB in the end (delta: -1.5MB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB. [2021-08-31 03:53:31,636 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 52.4MB. Free memory was 35.0MB in the beginning and 35.0MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 03:53:31,637 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.56ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 28.8MB in the beginning and 38.0MB in the end (delta: -9.2MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-08-31 03:53:31,637 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.06ms. Allocated memory is still 62.9MB. Free memory was 38.0MB in the beginning and 34.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 03:53:31,638 INFO L158 Benchmark]: Boogie Preprocessor took 43.92ms. Allocated memory is still 62.9MB. Free memory was 34.9MB in the beginning and 32.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 03:53:31,638 INFO L158 Benchmark]: RCFGBuilder took 445.33ms. Allocated memory is still 62.9MB. Free memory was 32.5MB in the beginning and 30.1MB in the end (delta: 2.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-08-31 03:53:31,639 INFO L158 Benchmark]: BuchiAutomizer took 83550.19ms. Allocated memory was 62.9MB in the beginning and 100.7MB in the end (delta: 37.7MB). Free memory was 30.1MB in the beginning and 30.5MB in the end (delta: -352.5kB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. [2021-08-31 03:53:31,641 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 52.4MB. Free memory was 35.0MB in the beginning and 35.0MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.56ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 28.8MB in the beginning and 38.0MB in the end (delta: -9.2MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.06ms. Allocated memory is still 62.9MB. Free memory was 38.0MB in the beginning and 34.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.92ms. Allocated memory is still 62.9MB. Free memory was 34.9MB in the beginning and 32.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 445.33ms. Allocated memory is still 62.9MB. Free memory was 32.5MB in the beginning and 30.1MB in the end (delta: 2.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 83550.19ms. Allocated memory was 62.9MB in the beginning and 100.7MB in the end (delta: 37.7MB). Free memory was 30.1MB in the beginning and 30.5MB in the end (delta: -352.5kB). Peak memory consumption was 44.6MB. 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 3 locations. The remainder module has 246 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 03:53:31,670 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...