./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_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_spec4_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 29fd7ebbcc9514a740018fa1c2ef695c1d81ea72 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-31 04:05:45,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 04:05:45,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 04:05:45,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 04:05:45,726 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 04:05:45,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 04:05:45,730 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 04:05:45,734 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 04:05:45,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 04:05:45,742 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 04:05:45,743 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 04:05:45,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 04:05:45,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 04:05:45,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 04:05:45,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 04:05:45,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 04:05:45,753 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 04:05:45,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 04:05:45,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 04:05:45,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 04:05:45,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 04:05:45,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 04:05:45,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 04:05:45,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 04:05:45,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 04:05:45,765 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 04:05:45,765 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 04:05:45,766 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 04:05:45,767 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 04:05:45,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 04:05:45,767 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 04:05:45,768 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 04:05:45,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 04:05:45,769 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 04:05:45,770 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 04:05:45,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 04:05:45,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 04:05:45,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 04:05:45,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 04:05:45,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 04:05:45,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 04:05:45,773 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 04:05:45,803 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 04:05:45,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 04:05:45,804 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 04:05:45,804 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 04:05:45,806 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 04:05:45,806 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 04:05:45,806 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 04:05:45,807 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 04:05:45,807 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 04:05:45,807 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 04:05:45,808 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 04:05:45,808 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 04:05:45,808 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 04:05:45,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 04:05:45,809 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 04:05:45,809 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 04:05:45,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 04:05:45,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 04:05:45,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 04:05:45,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 04:05:45,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 04:05:45,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 04:05:45,810 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 04:05:45,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 04:05:45,810 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 04:05:45,811 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 04:05:45,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 04:05:45,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 04:05:45,811 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 04:05:45,811 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 04:05:45,812 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 04:05:45,812 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 04:05:45,813 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 04:05:45,813 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29fd7ebbcc9514a740018fa1c2ef695c1d81ea72 [2021-08-31 04:05:46,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 04:05:46,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 04:05:46,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 04:05:46,051 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 04:05:46,051 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 04:05:46,052 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product44.cil.c [2021-08-31 04:05:46,085 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fad749392/d141b443b6ff4d6584208607b4484908/FLAGcb53e6364 [2021-08-31 04:05:46,516 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 04:05:46,518 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product44.cil.c [2021-08-31 04:05:46,527 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fad749392/d141b443b6ff4d6584208607b4484908/FLAGcb53e6364 [2021-08-31 04:05:46,541 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fad749392/d141b443b6ff4d6584208607b4484908 [2021-08-31 04:05:46,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 04:05:46,543 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 04:05:46,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 04:05:46,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 04:05:46,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 04:05:46,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:05:46" (1/1) ... [2021-08-31 04:05:46,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40110a0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:05:46, skipping insertion in model container [2021-08-31 04:05:46,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:05:46" (1/1) ... [2021-08-31 04:05:46,562 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 04:05:46,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 04:05:46,821 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product44.cil.c[15482,15495] [2021-08-31 04:05:46,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 04:05:46,846 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 04:05:46,904 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product44.cil.c[15482,15495] [2021-08-31 04:05:46,912 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 04:05:46,931 INFO L208 MainTranslator]: Completed translation [2021-08-31 04:05:46,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:05:46 WrapperNode [2021-08-31 04:05:46,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 04:05:46,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 04:05:46,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 04:05:46,934 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 04:05:46,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:05:46" (1/1) ... [2021-08-31 04:05:46,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:05:46" (1/1) ... [2021-08-31 04:05:46,998 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 04:05:47,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 04:05:47,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 04:05:47,001 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 04:05:47,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:05:46" (1/1) ... [2021-08-31 04:05:47,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:05:46" (1/1) ... [2021-08-31 04:05:47,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:05:46" (1/1) ... [2021-08-31 04:05:47,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:05:46" (1/1) ... [2021-08-31 04:05:47,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:05:46" (1/1) ... [2021-08-31 04:05:47,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:05:46" (1/1) ... [2021-08-31 04:05:47,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:05:46" (1/1) ... [2021-08-31 04:05:47,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 04:05:47,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 04:05:47,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 04:05:47,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 04:05:47,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:05:46" (1/1) ... [2021-08-31 04:05:47,061 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:05:47,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:05:47,077 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:05:47,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-31 04:05:47,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 04:05:47,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 04:05:47,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 04:05:47,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 04:05:47,563 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 04:05:47,563 INFO L299 CfgBuilder]: Removed 120 assume(true) statements. [2021-08-31 04:05:47,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:05:47 BoogieIcfgContainer [2021-08-31 04:05:47,565 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 04:05:47,566 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 04:05:47,566 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 04:05:47,568 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 04:05:47,568 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:05:47,568 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 04:05:46" (1/3) ... [2021-08-31 04:05:47,569 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14120c97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 04:05:47, skipping insertion in model container [2021-08-31 04:05:47,569 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:05:47,569 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:05:46" (2/3) ... [2021-08-31 04:05:47,569 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14120c97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 04:05:47, skipping insertion in model container [2021-08-31 04:05:47,570 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:05:47,570 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:05:47" (3/3) ... [2021-08-31 04:05:47,571 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product44.cil.c [2021-08-31 04:05:47,597 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 04:05:47,597 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 04:05:47,597 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 04:05:47,597 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 04:05:47,598 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 04:05:47,598 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 04:05:47,598 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 04:05:47,598 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 04:05:47,611 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 86 states, 85 states have (on average 1.5176470588235293) internal successors, (129), 85 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:05:47,637 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 55 [2021-08-31 04:05:47,637 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:05:47,637 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:05:47,642 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 04:05:47,642 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:05:47,642 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 04:05:47,643 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 86 states, 85 states have (on average 1.5176470588235293) internal successors, (129), 85 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:05:47,653 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 55 [2021-08-31 04:05:47,654 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:05:47,654 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:05:47,655 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 04:05:47,655 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:05:47,663 INFO L791 eck$LassoCheckResult]: Stem: 64#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~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(21);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(30);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(9);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(25);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(13);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string73.base, #t~string73.offset, 1);call write~init~int(77, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(101, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(116, #t~string73.base, 3 + #t~string73.offset, 1);call write~init~int(104, #t~string73.base, 4 + #t~string73.offset, 1);call write~init~int(58, #t~string73.base, 5 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 6 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string75.base, #t~string75.offset, 1);call write~init~int(82, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(73, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(84, #t~string75.base, 3 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 4 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string77.base, #t~string77.offset, 1);call write~init~int(75, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 2 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string79.base, #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 1 + #t~string79.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 48#L-1true havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~8, main_~tmp~8;havoc main_~retValue_acc~8;havoc main_~tmp~8; 11#L462true 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; 47#L470true main_#t~ret69 := valid_product_#res;main_~tmp~8 := main_#t~ret69;havoc main_#t~ret69; 9#L841true assume 0 != main_~tmp~8; 16#L818true havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 79#L53-1true [2021-08-31 04:05:47,664 INFO L793 eck$LassoCheckResult]: Loop: 79#L53-1true assume !false; 62#L492true assume test_~splverifierCounter~0 < 4; 13#L493true test_~tmp~4 := test_#t~nondet45;havoc test_#t~nondet45; 60#L501true assume !(0 != test_~tmp~4); 34#L501-1true test_~tmp___0~1 := test_#t~nondet46;havoc test_#t~nondet46; 4#L511true assume !(0 != test_~tmp___0~1); 84#L511-1true test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 26#L521true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 82#L529-1true assume !(0 != ~pumpRunning~0); 12#L564true assume !(0 != ~systemActive~0); 68#L571true havoc __utac_acc__Specification4_spec__1_#t~ret7, __utac_acc__Specification4_spec__1_#t~ret8, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 78#L930true __utac_acc__Specification4_spec__1_#t~ret7 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret7;havoc __utac_acc__Specification4_spec__1_#t~ret7; 35#L53true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 79#L53-1true [2021-08-31 04:05:47,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:05:47,671 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-08-31 04:05:47,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:05:47,678 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864178071] [2021-08-31 04:05:47,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:05:47,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:05:47,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:05:47,873 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:05:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:05:47,980 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:05:47,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:05:47,983 INFO L82 PathProgramCache]: Analyzing trace with hash -1671648180, now seen corresponding path program 1 times [2021-08-31 04:05:47,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:05:47,984 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470980880] [2021-08-31 04:05:47,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:05:47,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:05:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:05:48,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 04:05:48,054 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:05:48,054 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470980880] [2021-08-31 04:05:48,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470980880] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:05:48,055 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:05:48,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 04:05:48,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058792022] [2021-08-31 04:05:48,060 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 04:05:48,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:05:48,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 04:05:48,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 04:05:48,090 INFO L87 Difference]: Start difference. First operand has 86 states, 85 states have (on average 1.5176470588235293) internal successors, (129), 85 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:05:48,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:05:48,417 INFO L93 Difference]: Finished difference Result 166 states and 234 transitions. [2021-08-31 04:05:48,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 04:05:48,421 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 166 states and 234 transitions. [2021-08-31 04:05:48,423 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 106 [2021-08-31 04:05:48,427 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 166 states to 152 states and 219 transitions. [2021-08-31 04:05:48,427 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 152 [2021-08-31 04:05:48,428 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 152 [2021-08-31 04:05:48,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 152 states and 219 transitions. [2021-08-31 04:05:48,429 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:05:48,429 INFO L681 BuchiCegarLoop]: Abstraction has 152 states and 219 transitions. [2021-08-31 04:05:48,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states and 219 transitions. [2021-08-31 04:05:48,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 150. [2021-08-31 04:05:48,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 150 states have (on average 1.44) internal successors, (216), 149 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:05:48,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 216 transitions. [2021-08-31 04:05:48,452 INFO L704 BuchiCegarLoop]: Abstraction has 150 states and 216 transitions. [2021-08-31 04:05:48,452 INFO L587 BuchiCegarLoop]: Abstraction has 150 states and 216 transitions. [2021-08-31 04:05:48,452 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 04:05:48,452 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 150 states and 216 transitions. [2021-08-31 04:05:48,453 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 104 [2021-08-31 04:05:48,453 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:05:48,453 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:05:48,454 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 04:05:48,454 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:05:48,454 INFO L791 eck$LassoCheckResult]: Stem: 343#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~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(21);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(30);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(9);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(25);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(13);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string73.base, #t~string73.offset, 1);call write~init~int(77, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(101, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(116, #t~string73.base, 3 + #t~string73.offset, 1);call write~init~int(104, #t~string73.base, 4 + #t~string73.offset, 1);call write~init~int(58, #t~string73.base, 5 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 6 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string75.base, #t~string75.offset, 1);call write~init~int(82, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(73, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(84, #t~string75.base, 3 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 4 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string77.base, #t~string77.offset, 1);call write~init~int(75, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 2 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string79.base, #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 1 + #t~string79.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 329#L-1 havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~8, main_~tmp~8;havoc main_~retValue_acc~8;havoc main_~tmp~8; 274#L462 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; 275#L470 main_#t~ret69 := valid_product_#res;main_~tmp~8 := main_#t~ret69;havoc main_#t~ret69; 271#L841 assume 0 != main_~tmp~8; 272#L818 havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 281#L53-1 [2021-08-31 04:05:48,454 INFO L793 eck$LassoCheckResult]: Loop: 281#L53-1 assume !false; 339#L492 assume test_~splverifierCounter~0 < 4; 340#L493 test_~tmp~4 := test_#t~nondet45;havoc test_#t~nondet45; 389#L501 assume !(0 != test_~tmp~4); 384#L501-1 test_~tmp___0~1 := test_#t~nondet46;havoc test_#t~nondet46; 381#L511 assume !(0 != test_~tmp___0~1); 379#L511-1 test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 298#L521 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 297#L529-1 assume !(0 != ~pumpRunning~0); 276#L564 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 277#L596 assume !(0 == ~pumpRunning~0); 320#L571 havoc __utac_acc__Specification4_spec__1_#t~ret7, __utac_acc__Specification4_spec__1_#t~ret8, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 346#L930 __utac_acc__Specification4_spec__1_#t~ret7 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret7;havoc __utac_acc__Specification4_spec__1_#t~ret7; 358#L53 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 281#L53-1 [2021-08-31 04:05:48,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:05:48,455 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-08-31 04:05:48,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:05:48,455 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99179804] [2021-08-31 04:05:48,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:05:48,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:05:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:05:48,482 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:05:48,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:05:48,514 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:05:48,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:05:48,514 INFO L82 PathProgramCache]: Analyzing trace with hash -323255269, now seen corresponding path program 1 times [2021-08-31 04:05:48,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:05:48,515 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661993505] [2021-08-31 04:05:48,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:05:48,515 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:05:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:05:48,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 04:05:48,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:05:48,539 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661993505] [2021-08-31 04:05:48,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661993505] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:05:48,539 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:05:48,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 04:05:48,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295642945] [2021-08-31 04:05:48,540 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 04:05:48,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:05:48,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 04:05:48,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 04:05:48,541 INFO L87 Difference]: Start difference. First operand 150 states and 216 transitions. cyclomatic complexity: 69 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 04:05:48,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:05:48,729 INFO L93 Difference]: Finished difference Result 233 states and 322 transitions. [2021-08-31 04:05:48,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 04:05:48,730 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 233 states and 322 transitions. [2021-08-31 04:05:48,732 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 167 [2021-08-31 04:05:48,733 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 233 states to 233 states and 322 transitions. [2021-08-31 04:05:48,733 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 233 [2021-08-31 04:05:48,734 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 233 [2021-08-31 04:05:48,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 233 states and 322 transitions. [2021-08-31 04:05:48,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:05:48,735 INFO L681 BuchiCegarLoop]: Abstraction has 233 states and 322 transitions. [2021-08-31 04:05:48,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states and 322 transitions. [2021-08-31 04:05:48,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2021-08-31 04:05:48,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 233 states have (on average 1.3819742489270386) internal successors, (322), 232 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:05:48,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 322 transitions. [2021-08-31 04:05:48,743 INFO L704 BuchiCegarLoop]: Abstraction has 233 states and 322 transitions. [2021-08-31 04:05:48,743 INFO L587 BuchiCegarLoop]: Abstraction has 233 states and 322 transitions. [2021-08-31 04:05:48,743 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 04:05:48,743 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 233 states and 322 transitions. [2021-08-31 04:05:48,745 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 167 [2021-08-31 04:05:48,745 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:05:48,745 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:05:48,745 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 04:05:48,745 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 04:05:48,746 INFO L791 eck$LassoCheckResult]: Stem: 743#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~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(21);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(30);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(9);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(25);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(13);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string73.base, #t~string73.offset, 1);call write~init~int(77, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(101, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(116, #t~string73.base, 3 + #t~string73.offset, 1);call write~init~int(104, #t~string73.base, 4 + #t~string73.offset, 1);call write~init~int(58, #t~string73.base, 5 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 6 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string75.base, #t~string75.offset, 1);call write~init~int(82, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(73, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(84, #t~string75.base, 3 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 4 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string77.base, #t~string77.offset, 1);call write~init~int(75, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 2 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string79.base, #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 1 + #t~string79.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 726#L-1 havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~8, main_~tmp~8;havoc main_~retValue_acc~8;havoc main_~tmp~8; 663#L462 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; 664#L470 main_#t~ret69 := valid_product_#res;main_~tmp~8 := main_#t~ret69;havoc main_#t~ret69; 659#L841 assume 0 != main_~tmp~8; 660#L818 havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 672#L53-1 [2021-08-31 04:05:48,746 INFO L793 eck$LassoCheckResult]: Loop: 672#L53-1 assume !false; 739#L492 assume test_~splverifierCounter~0 < 4; 668#L493 test_~tmp~4 := test_#t~nondet45;havoc test_#t~nondet45; 669#L501 assume !(0 != test_~tmp~4); 705#L501-1 test_~tmp___0~1 := test_#t~nondet46;havoc test_#t~nondet46; 650#L511 assume !(0 != test_~tmp___0~1); 651#L511-1 test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 805#L521 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 692#L529-1 assume !(0 != ~pumpRunning~0); 802#L564 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 803#L596 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret68, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; 785#L938 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; 801#L943 isHighWaterLevel_#t~ret68 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret68;havoc isHighWaterLevel_#t~ret68; 800#L716 assume 0 != isHighWaterLevel_~tmp~7;isHighWaterLevel_~tmp___0~2 := 0; 799#L716-2 isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; 798#L722 processEnvironment_#t~ret49 := isHighWaterLevel_#res;processEnvironment_~tmp~5 := processEnvironment_#t~ret49;havoc processEnvironment_#t~ret49; 797#L600 assume !(0 != processEnvironment_~tmp~5); 745#L571 havoc __utac_acc__Specification4_spec__1_#t~ret7, __utac_acc__Specification4_spec__1_#t~ret8, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 746#L930 __utac_acc__Specification4_spec__1_#t~ret7 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret7;havoc __utac_acc__Specification4_spec__1_#t~ret7; 703#L53 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 672#L53-1 [2021-08-31 04:05:48,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:05:48,746 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2021-08-31 04:05:48,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:05:48,747 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104911317] [2021-08-31 04:05:48,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:05:48,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:05:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:05:48,776 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:05:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:05:48,802 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:05:48,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:05:48,803 INFO L82 PathProgramCache]: Analyzing trace with hash -1551152025, now seen corresponding path program 1 times [2021-08-31 04:05:48,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:05:48,803 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946645729] [2021-08-31 04:05:48,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:05:48,804 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:05:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:05:48,807 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:05:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:05:48,812 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:05:48,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:05:48,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1536440051, now seen corresponding path program 1 times [2021-08-31 04:05:48,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:05:48,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203033636] [2021-08-31 04:05:48,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:05:48,828 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:05:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:05:48,848 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:05:48,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:05:48,875 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:06:27,684 WARN L210 SmtUtils]: Spent 38.60s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-08-31 04:07:07,563 WARN L210 SmtUtils]: Spent 19.72s on a formula simplification that was a NOOP. DAG size: 433 [2021-08-31 04:07:07,630 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) at de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData.toString(StatisticsData.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerTimingBenchmark.toString(BuchiAutomizerTimingBenchmark.java:44) at de.uni_freiburg.informatik.ultimate.core.lib.results.StatisticsResult.getLongDescription(StatisticsResult.java:58) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.reportResult(BuchiAutomizerObserver.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-31 04:07:07,635 INFO L158 Benchmark]: Toolchain (without parser) took 81091.71ms. Allocated memory was 46.1MB in the beginning and 117.4MB in the end (delta: 71.3MB). Free memory was 21.1MB in the beginning and 64.0MB in the end (delta: -42.9MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2021-08-31 04:07:07,636 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 46.1MB. Free memory was 28.4MB in the beginning and 28.4MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 04:07:07,637 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.52ms. Allocated memory was 46.1MB in the beginning and 58.7MB in the end (delta: 12.6MB). Free memory was 20.9MB in the beginning and 35.7MB in the end (delta: -14.8MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2021-08-31 04:07:07,639 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.52ms. Allocated memory is still 58.7MB. Free memory was 35.7MB in the beginning and 32.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 04:07:07,639 INFO L158 Benchmark]: Boogie Preprocessor took 53.97ms. Allocated memory is still 58.7MB. Free memory was 32.7MB in the beginning and 30.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 04:07:07,642 INFO L158 Benchmark]: RCFGBuilder took 510.08ms. Allocated memory is still 58.7MB. Free memory was 30.2MB in the beginning and 38.4MB in the end (delta: -8.2MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2021-08-31 04:07:07,643 INFO L158 Benchmark]: BuchiAutomizer took 80069.08ms. Allocated memory was 58.7MB in the beginning and 117.4MB in the end (delta: 58.7MB). Free memory was 38.4MB in the beginning and 64.0MB in the end (delta: -25.6MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2021-08-31 04:07:07,645 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 46.1MB. Free memory was 28.4MB in the beginning and 28.4MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.52ms. Allocated memory was 46.1MB in the beginning and 58.7MB in the end (delta: 12.6MB). Free memory was 20.9MB in the beginning and 35.7MB in the end (delta: -14.8MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.52ms. Allocated memory is still 58.7MB. Free memory was 35.7MB in the beginning and 32.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.97ms. Allocated memory is still 58.7MB. Free memory was 32.7MB in the beginning and 30.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 510.08ms. Allocated memory is still 58.7MB. Free memory was 30.2MB in the beginning and 38.4MB in the end (delta: -8.2MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 80069.08ms. Allocated memory was 58.7MB in the beginning and 117.4MB in the end (delta: 58.7MB). Free memory was 38.4MB in the beginning and 64.0MB in the end (delta: -25.6MB). Peak memory consumption was 69.2MB. 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 233 locations. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6): de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-08-31 04:07:07,694 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...