./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product36.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 0d9fe46be856096e0c78b096b76405a575c1ad90 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................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Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-31 03:43:52,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 03:43:52,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 03:43:52,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 03:43:52,565 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 03:43:52,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 03:43:52,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 03:43:52,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 03:43:52,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 03:43:52,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 03:43:52,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 03:43:52,582 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 03:43:52,582 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 03:43:52,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 03:43:52,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 03:43:52,587 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 03:43:52,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 03:43:52,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 03:43:52,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 03:43:52,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 03:43:52,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 03:43:52,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 03:43:52,600 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 03:43:52,601 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 03:43:52,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 03:43:52,606 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 03:43:52,606 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 03:43:52,607 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 03:43:52,607 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 03:43:52,608 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 03:43:52,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 03:43:52,609 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 03:43:52,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 03:43:52,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 03:43:52,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 03:43:52,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 03:43:52,612 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 03:43:52,612 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 03:43:52,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 03:43:52,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 03:43:52,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 03:43:52,617 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 03:43:52,640 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 03:43:52,641 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 03:43:52,641 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 03:43:52,642 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 03:43:52,643 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 03:43:52,643 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 03:43:52,643 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 03:43:52,643 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 03:43:52,644 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 03:43:52,644 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 03:43:52,644 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 03:43:52,645 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 03:43:52,645 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 03:43:52,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 03:43:52,645 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 03:43:52,645 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 03:43:52,645 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 03:43:52,646 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 03:43:52,646 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 03:43:52,646 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 03:43:52,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 03:43:52,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 03:43:52,646 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 03:43:52,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 03:43:52,647 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 03:43:52,647 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 03:43:52,647 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 03:43:52,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 03:43:52,647 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 03:43:52,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 03:43:52,648 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 03:43:52,648 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 03:43:52,649 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 03:43:52,649 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d9fe46be856096e0c78b096b76405a575c1ad90 [2021-08-31 03:43:52,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 03:43:52,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 03:43:52,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 03:43:52,896 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 03:43:52,896 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 03:43:52,897 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c [2021-08-31 03:43:52,967 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a0e2d7ba/2ae0d096708946cf8cb05611c8c42bbe/FLAG207c9055e [2021-08-31 03:43:53,410 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 03:43:53,410 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c [2021-08-31 03:43:53,418 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a0e2d7ba/2ae0d096708946cf8cb05611c8c42bbe/FLAG207c9055e [2021-08-31 03:43:53,731 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a0e2d7ba/2ae0d096708946cf8cb05611c8c42bbe [2021-08-31 03:43:53,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 03:43:53,733 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 03:43:53,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 03:43:53,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 03:43:53,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 03:43:53,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:43:53" (1/1) ... [2021-08-31 03:43:53,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1023256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:43:53, skipping insertion in model container [2021-08-31 03:43:53,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:43:53" (1/1) ... [2021-08-31 03:43:53,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 03:43:53,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 03:43:53,864 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c[1281,1294] [2021-08-31 03:43:53,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:43:53,982 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 03:43:54,004 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c[1281,1294] [2021-08-31 03:43:54,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:43:54,081 INFO L208 MainTranslator]: Completed translation [2021-08-31 03:43:54,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:43:54 WrapperNode [2021-08-31 03:43:54,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 03:43:54,082 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 03:43:54,082 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 03:43:54,083 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 03:43:54,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:43:54" (1/1) ... [2021-08-31 03:43:54,110 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:43:54" (1/1) ... [2021-08-31 03:43:54,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 03:43:54,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 03:43:54,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 03:43:54,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 03:43:54,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:43:54" (1/1) ... [2021-08-31 03:43:54,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:43:54" (1/1) ... [2021-08-31 03:43:54,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:43:54" (1/1) ... [2021-08-31 03:43:54,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:43:54" (1/1) ... [2021-08-31 03:43:54,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:43:54" (1/1) ... [2021-08-31 03:43:54,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:43:54" (1/1) ... [2021-08-31 03:43:54,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:43:54" (1/1) ... [2021-08-31 03:43:54,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 03:43:54,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 03:43:54,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 03:43:54,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 03:43:54,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:43:54" (1/1) ... [2021-08-31 03:43:54,192 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:43:54,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:43:54,207 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 03:43:54,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-31 03:43:54,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 03:43:54,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 03:43:54,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 03:43:54,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 03:43:54,609 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 03:43:54,609 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-08-31 03:43:54,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:43:54 BoogieIcfgContainer [2021-08-31 03:43:54,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 03:43:54,611 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 03:43:54,611 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 03:43:54,613 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 03:43:54,613 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:43:54,614 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 03:43:53" (1/3) ... [2021-08-31 03:43:54,614 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e0a2363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:43:54, skipping insertion in model container [2021-08-31 03:43:54,614 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:43:54,614 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:43:54" (2/3) ... [2021-08-31 03:43:54,615 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e0a2363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:43:54, skipping insertion in model container [2021-08-31 03:43:54,615 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:43:54,615 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:43:54" (3/3) ... [2021-08-31 03:43:54,616 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product36.cil.c [2021-08-31 03:43:54,640 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 03:43:54,641 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 03:43:54,641 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 03:43:54,641 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 03:43:54,641 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 03:43:54,641 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 03:43:54,641 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 03:43:54,641 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 03:43:54,650 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 77 states, 76 states have (on average 1.5394736842105263) internal successors, (117), 76 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:43:54,663 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2021-08-31 03:43:54,663 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:43:54,663 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:43:54,667 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 03:43:54,667 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:43:54,667 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 03:43:54,668 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 77 states, 76 states have (on average 1.5394736842105263) internal successors, (117), 76 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:43:54,670 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2021-08-31 03:43:54,671 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:43:54,671 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:43:54,671 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 03:43:54,671 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:43:54,675 INFO L791 eck$LassoCheckResult]: Stem: 62#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~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(77, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(101, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(116, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(104, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string31.base, #t~string31.offset, 1);call write~init~int(82, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(73, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(84, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 4 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(75, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(21);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(30);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(9);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 43#L-1true havoc main_#res;havoc main_#t~ret78, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; 15#L430true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 25#L438true main_#t~ret78 := valid_product_#res;main_~tmp~7 := main_#t~ret78;havoc main_#t~ret78; 48#L917true assume 0 != main_~tmp~7; 37#L894true havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 7#L817-1true [2021-08-31 03:43:54,676 INFO L793 eck$LassoCheckResult]: Loop: 7#L817-1true assume !false; 56#L347true assume test_~splverifierCounter~0 < 4; 53#L348true test_~tmp~2 := test_#t~nondet36;havoc test_#t~nondet36; 20#L356true assume !(0 != test_~tmp~2); 31#L356-1true test_~tmp___0~1 := test_#t~nondet37;havoc test_#t~nondet37; 47#L366true assume !(0 != test_~tmp___0~1); 17#L366-1true test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; 12#L376true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 33#L384-1true assume !(0 != ~pumpRunning~0); 78#L70true assume !(0 != ~systemActive~0); 10#L77true havoc __utac_acc__Specification1_spec__1_#t~ret76, __utac_acc__Specification1_spec__1_#t~ret77, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 76#L284true __utac_acc__Specification1_spec__1_#t~ret76 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret76;havoc __utac_acc__Specification1_spec__1_#t~ret76; 75#L817true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); 7#L817-1true [2021-08-31 03:43:54,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:43:54,679 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-08-31 03:43:54,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:43:54,685 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855644465] [2021-08-31 03:43:54,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:43:54,686 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:43:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:43:54,801 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:43:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:43:54,875 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:43:54,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:43:54,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1671986804, now seen corresponding path program 1 times [2021-08-31 03:43:54,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:43:54,878 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778592330] [2021-08-31 03:43:54,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:43:54,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:43:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:43:54,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 03:43:54,930 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:43:54,931 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778592330] [2021-08-31 03:43:54,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778592330] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:43:54,931 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:43:54,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 03:43:54,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253552995] [2021-08-31 03:43:54,934 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 03:43:54,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:43:54,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 03:43:54,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 03:43:54,953 INFO L87 Difference]: Start difference. First operand has 77 states, 76 states have (on average 1.5394736842105263) internal successors, (117), 76 states have internal predecessors, (117), 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 03:43:55,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:43:55,203 INFO L93 Difference]: Finished difference Result 148 states and 210 transitions. [2021-08-31 03:43:55,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 03:43:55,209 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 148 states and 210 transitions. [2021-08-31 03:43:55,212 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 94 [2021-08-31 03:43:55,215 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 148 states to 134 states and 195 transitions. [2021-08-31 03:43:55,216 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 134 [2021-08-31 03:43:55,216 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 134 [2021-08-31 03:43:55,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 134 states and 195 transitions. [2021-08-31 03:43:55,217 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:43:55,218 INFO L681 BuchiCegarLoop]: Abstraction has 134 states and 195 transitions. [2021-08-31 03:43:55,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states and 195 transitions. [2021-08-31 03:43:55,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 132. [2021-08-31 03:43:55,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 132 states have (on average 1.4545454545454546) internal successors, (192), 131 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:43:55,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 192 transitions. [2021-08-31 03:43:55,243 INFO L704 BuchiCegarLoop]: Abstraction has 132 states and 192 transitions. [2021-08-31 03:43:55,243 INFO L587 BuchiCegarLoop]: Abstraction has 132 states and 192 transitions. [2021-08-31 03:43:55,243 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 03:43:55,243 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states and 192 transitions. [2021-08-31 03:43:55,245 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 92 [2021-08-31 03:43:55,248 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:43:55,248 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:43:55,248 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 03:43:55,249 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:43:55,249 INFO L791 eck$LassoCheckResult]: Stem: 310#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~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(77, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(101, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(116, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(104, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string31.base, #t~string31.offset, 1);call write~init~int(82, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(73, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(84, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 4 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(75, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(21);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(30);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(9);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 295#L-1 havoc main_#res;havoc main_#t~ret78, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; 253#L430 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 254#L438 main_#t~ret78 := valid_product_#res;main_~tmp~7 := main_#t~ret78;havoc main_#t~ret78; 270#L917 assume 0 != main_~tmp~7; 287#L894 havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 288#L817-1 [2021-08-31 03:43:55,249 INFO L793 eck$LassoCheckResult]: Loop: 288#L817-1 assume !false; 305#L347 assume test_~splverifierCounter~0 < 4; 306#L348 test_~tmp~2 := test_#t~nondet36;havoc test_#t~nondet36; 365#L356 assume !(0 != test_~tmp~2); 363#L356-1 test_~tmp___0~1 := test_#t~nondet37;havoc test_#t~nondet37; 298#L366 assume !(0 != test_~tmp___0~1); 290#L366-1 test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; 357#L376 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 249#L384-1 assume !(0 != ~pumpRunning~0); 322#L70 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret7, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 304#L102 assume !(0 == ~pumpRunning~0); 244#L77 havoc __utac_acc__Specification1_spec__1_#t~ret76, __utac_acc__Specification1_spec__1_#t~ret77, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 245#L284 __utac_acc__Specification1_spec__1_#t~ret76 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret76;havoc __utac_acc__Specification1_spec__1_#t~ret76; 330#L817 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); 288#L817-1 [2021-08-31 03:43:55,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:43:55,251 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-08-31 03:43:55,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:43:55,251 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973009315] [2021-08-31 03:43:55,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:43:55,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:43:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:43:55,321 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:43:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:43:55,408 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:43:55,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:43:55,410 INFO L82 PathProgramCache]: Analyzing trace with hash -323593893, now seen corresponding path program 1 times [2021-08-31 03:43:55,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:43:55,410 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206184733] [2021-08-31 03:43:55,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:43:55,411 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:43:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:43:55,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 03:43:55,429 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:43:55,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206184733] [2021-08-31 03:43:55,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206184733] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:43:55,432 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:43:55,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 03:43:55,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397750713] [2021-08-31 03:43:55,432 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 03:43:55,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:43:55,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 03:43:55,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 03:43:55,434 INFO L87 Difference]: Start difference. First operand 132 states and 192 transitions. cyclomatic complexity: 63 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:43:55,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:43:55,681 INFO L93 Difference]: Finished difference Result 215 states and 298 transitions. [2021-08-31 03:43:55,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 03:43:55,682 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 215 states and 298 transitions. [2021-08-31 03:43:55,683 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 155 [2021-08-31 03:43:55,685 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 215 states to 215 states and 298 transitions. [2021-08-31 03:43:55,685 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 215 [2021-08-31 03:43:55,685 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 215 [2021-08-31 03:43:55,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 215 states and 298 transitions. [2021-08-31 03:43:55,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:43:55,686 INFO L681 BuchiCegarLoop]: Abstraction has 215 states and 298 transitions. [2021-08-31 03:43:55,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states and 298 transitions. [2021-08-31 03:43:55,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2021-08-31 03:43:55,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 215 states have (on average 1.386046511627907) internal successors, (298), 214 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:43:55,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 298 transitions. [2021-08-31 03:43:55,693 INFO L704 BuchiCegarLoop]: Abstraction has 215 states and 298 transitions. [2021-08-31 03:43:55,694 INFO L587 BuchiCegarLoop]: Abstraction has 215 states and 298 transitions. [2021-08-31 03:43:55,694 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 03:43:55,694 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 215 states and 298 transitions. [2021-08-31 03:43:55,695 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 155 [2021-08-31 03:43:55,695 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:43:55,695 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:43:55,696 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 03:43:55,696 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:43:55,696 INFO L791 eck$LassoCheckResult]: Stem: 669#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~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(77, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(101, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(116, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(104, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string31.base, #t~string31.offset, 1);call write~init~int(82, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(73, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(84, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 4 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(75, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(21);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(30);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(9);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 648#L-1 havoc main_#res;havoc main_#t~ret78, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; 606#L430 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 607#L438 main_#t~ret78 := valid_product_#res;main_~tmp~7 := main_#t~ret78;havoc main_#t~ret78; 624#L917 assume 0 != main_~tmp~7; 640#L894 havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 641#L817-1 [2021-08-31 03:43:55,696 INFO L793 eck$LassoCheckResult]: Loop: 641#L817-1 assume !false; 740#L347 assume test_~splverifierCounter~0 < 4; 739#L348 test_~tmp~2 := test_#t~nondet36;havoc test_#t~nondet36; 738#L356 assume !(0 != test_~tmp~2); 736#L356-1 test_~tmp___0~1 := test_#t~nondet37;havoc test_#t~nondet37; 735#L366 assume !(0 != test_~tmp___0~1); 733#L366-1 test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; 601#L376 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 602#L384-1 assume !(0 != ~pumpRunning~0); 713#L70 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret7, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 731#L102 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret25, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~1, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~1;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; 726#L324 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; 730#L329 isHighWaterLevel_#t~ret25 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~1 := isHighWaterLevel_#t~ret25;havoc isHighWaterLevel_#t~ret25; 729#L204 assume 0 != isHighWaterLevel_~tmp~1;isHighWaterLevel_~tmp___0~0 := 0; 728#L204-2 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 727#L210 processEnvironment_#t~ret7 := isHighWaterLevel_#res;processEnvironment_~tmp~0 := processEnvironment_#t~ret7;havoc processEnvironment_#t~ret7; 725#L106 assume !(0 != processEnvironment_~tmp~0); 597#L77 havoc __utac_acc__Specification1_spec__1_#t~ret76, __utac_acc__Specification1_spec__1_#t~ret77, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 598#L284 __utac_acc__Specification1_spec__1_#t~ret76 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret76;havoc __utac_acc__Specification1_spec__1_#t~ret76; 741#L817 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); 641#L817-1 [2021-08-31 03:43:55,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:43:55,696 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2021-08-31 03:43:55,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:43:55,697 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514819494] [2021-08-31 03:43:55,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:43:55,697 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:43:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:43:55,718 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:43:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:43:55,755 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:43:55,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:43:55,755 INFO L82 PathProgramCache]: Analyzing trace with hash -1551490649, now seen corresponding path program 1 times [2021-08-31 03:43:55,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:43:55,756 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387649996] [2021-08-31 03:43:55,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:43:55,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:43:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:43:55,760 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:43:55,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:43:55,763 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:43:55,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:43:55,764 INFO L82 PathProgramCache]: Analyzing trace with hash -1536778675, now seen corresponding path program 1 times [2021-08-31 03:43:55,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:43:55,764 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439980143] [2021-08-31 03:43:55,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:43:55,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:43:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:43:55,783 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:43:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:43:55,807 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:44:30,838 WARN L210 SmtUtils]: Spent 34.86s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-08-31 03:45:08,307 WARN L210 SmtUtils]: Spent 17.63s on a formula simplification that was a NOOP. DAG size: 433 [2021-08-31 03:45:08,446 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) at de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData.toString(StatisticsData.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerTimingBenchmark.toString(BuchiAutomizerTimingBenchmark.java:44) at de.uni_freiburg.informatik.ultimate.core.lib.results.StatisticsResult.getLongDescription(StatisticsResult.java:58) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.reportResult(BuchiAutomizerObserver.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-31 03:45:08,449 INFO L158 Benchmark]: Toolchain (without parser) took 74715.17ms. Allocated memory was 58.7MB in the beginning and 90.2MB in the end (delta: 31.5MB). Free memory was 42.4MB in the beginning and 23.6MB in the end (delta: 18.8MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2021-08-31 03:45:08,451 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 46.1MB. Free memory was 28.4MB in the beginning and 28.4MB in the end (delta: 43.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 03:45:08,451 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.76ms. Allocated memory is still 58.7MB. Free memory was 42.2MB in the beginning and 35.7MB in the end (delta: 6.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-08-31 03:45:08,451 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.55ms. Allocated memory is still 58.7MB. Free memory was 35.7MB in the beginning and 32.8MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 03:45:08,452 INFO L158 Benchmark]: Boogie Preprocessor took 42.50ms. Allocated memory is still 58.7MB. Free memory was 32.8MB in the beginning and 30.8MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-31 03:45:08,452 INFO L158 Benchmark]: RCFGBuilder took 425.18ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 30.8MB in the beginning and 51.8MB in the end (delta: -21.1MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2021-08-31 03:45:08,453 INFO L158 Benchmark]: BuchiAutomizer took 73836.85ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 51.8MB in the beginning and 23.6MB in the end (delta: 28.3MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. [2021-08-31 03:45:08,455 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 46.1MB. Free memory was 28.4MB in the beginning and 28.4MB in the end (delta: 43.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.76ms. Allocated memory is still 58.7MB. Free memory was 42.2MB in the beginning and 35.7MB in the end (delta: 6.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.55ms. Allocated memory is still 58.7MB. Free memory was 35.7MB in the beginning and 32.8MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.50ms. Allocated memory is still 58.7MB. Free memory was 32.8MB in the beginning and 30.8MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 425.18ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 30.8MB in the beginning and 51.8MB in the end (delta: -21.1MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 73836.85ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 51.8MB in the beginning and 23.6MB in the end (delta: 28.3MB). Peak memory consumption was 50.9MB. 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 215 locations. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6): de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-08-31 03:45:08,497 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...