./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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_product32.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 7491e9e7e66695ce6d97d4c4c38cf37fc3e1ef2df09eb8fb958f4ec180b71f50 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 04:17:49,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 04:17:49,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 04:17:49,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 04:17:49,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 04:17:49,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 04:17:49,126 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 04:17:49,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 04:17:49,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 04:17:49,130 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 04:17:49,131 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 04:17:49,132 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 04:17:49,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 04:17:49,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 04:17:49,134 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 04:17:49,135 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 04:17:49,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 04:17:49,136 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 04:17:49,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 04:17:49,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 04:17:49,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 04:17:49,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 04:17:49,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 04:17:49,143 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 04:17:49,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 04:17:49,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 04:17:49,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 04:17:49,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 04:17:49,154 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 04:17:49,156 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 04:17:49,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 04:17:49,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 04:17:49,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 04:17:49,159 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 04:17:49,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 04:17:49,161 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 04:17:49,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 04:17:49,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 04:17:49,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 04:17:49,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 04:17:49,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 04:17:49,164 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 04:17:49,191 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 04:17:49,193 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 04:17:49,193 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 04:17:49,193 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 04:17:49,195 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 04:17:49,195 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 04:17:49,195 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 04:17:49,195 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 04:17:49,196 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 04:17:49,196 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 04:17:49,196 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 04:17:49,197 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 04:17:49,197 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 04:17:49,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 04:17:49,197 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 04:17:49,197 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 04:17:49,197 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 04:17:49,197 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 04:17:49,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 04:17:49,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 04:17:49,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 04:17:49,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 04:17:49,198 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 04:17:49,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 04:17:49,198 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 04:17:49,199 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 04:17:49,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 04:17:49,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 04:17:49,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 04:17:49,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 04:17:49,200 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 04:17:49,200 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 04:17:49,201 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7491e9e7e66695ce6d97d4c4c38cf37fc3e1ef2df09eb8fb958f4ec180b71f50 [2022-02-21 04:17:49,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 04:17:49,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 04:17:49,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 04:17:49,482 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 04:17:49,483 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 04:17:49,484 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2022-02-21 04:17:49,561 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/791d9db35/1e009b165be34a98a2525c0211a530a1/FLAG49502b03c [2022-02-21 04:17:49,981 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 04:17:49,982 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2022-02-21 04:17:50,001 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/791d9db35/1e009b165be34a98a2525c0211a530a1/FLAG49502b03c [2022-02-21 04:17:50,035 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/791d9db35/1e009b165be34a98a2525c0211a530a1 [2022-02-21 04:17:50,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 04:17:50,045 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 04:17:50,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 04:17:50,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 04:17:50,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 04:17:50,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:17:50" (1/1) ... [2022-02-21 04:17:50,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fd46e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:50, skipping insertion in model container [2022-02-21 04:17:50,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:17:50" (1/1) ... [2022-02-21 04:17:50,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 04:17:50,123 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 04:17:50,425 WARN L230 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_product32.cil.c[2567,2580] [2022-02-21 04:17:50,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:17:50,670 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 04:17:50,718 WARN L230 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_product32.cil.c[2567,2580] [2022-02-21 04:17:50,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:17:50,858 INFO L208 MainTranslator]: Completed translation [2022-02-21 04:17:50,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:50 WrapperNode [2022-02-21 04:17:50,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 04:17:50,860 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 04:17:50,860 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 04:17:50,860 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 04:17:50,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:50" (1/1) ... [2022-02-21 04:17:50,910 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:50" (1/1) ... [2022-02-21 04:17:50,977 INFO L137 Inliner]: procedures = 56, calls = 158, calls flagged for inlining = 55, calls inlined = 80, statements flattened = 567 [2022-02-21 04:17:50,977 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 04:17:50,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 04:17:50,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 04:17:50,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 04:17:50,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:50" (1/1) ... [2022-02-21 04:17:50,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:50" (1/1) ... [2022-02-21 04:17:51,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:50" (1/1) ... [2022-02-21 04:17:51,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:50" (1/1) ... [2022-02-21 04:17:51,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:50" (1/1) ... [2022-02-21 04:17:51,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:50" (1/1) ... [2022-02-21 04:17:51,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:50" (1/1) ... [2022-02-21 04:17:51,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 04:17:51,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 04:17:51,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 04:17:51,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 04:17:51,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:50" (1/1) ... [2022-02-21 04:17:51,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:17:51,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:17:51,137 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) [2022-02-21 04:17:51,140 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 [2022-02-21 04:17:51,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 04:17:51,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 04:17:51,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 04:17:51,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 04:17:51,296 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 04:17:51,312 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 04:17:51,798 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 04:17:51,810 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 04:17:51,811 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-21 04:17:51,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:17:51 BoogieIcfgContainer [2022-02-21 04:17:51,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 04:17:51,815 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 04:17:51,816 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 04:17:51,818 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 04:17:51,819 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:17:51,819 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 04:17:50" (1/3) ... [2022-02-21 04:17:51,820 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a365803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:17:51, skipping insertion in model container [2022-02-21 04:17:51,820 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:17:51,820 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:50" (2/3) ... [2022-02-21 04:17:51,820 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a365803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:17:51, skipping insertion in model container [2022-02-21 04:17:51,820 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:17:51,821 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:17:51" (3/3) ... [2022-02-21 04:17:51,822 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product32.cil.c [2022-02-21 04:17:51,860 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 04:17:51,860 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 04:17:51,860 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 04:17:51,860 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 04:17:51,861 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 04:17:51,861 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 04:17:51,861 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 04:17:51,861 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 04:17:51,882 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 155 states, 154 states have (on average 1.344155844155844) internal successors, (207), 154 states have internal predecessors, (207), 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) [2022-02-21 04:17:51,945 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 101 [2022-02-21 04:17:51,945 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:17:51,945 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:17:51,950 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:51,951 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:51,951 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 04:17:51,956 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 155 states, 154 states have (on average 1.344155844155844) internal successors, (207), 154 states have internal predecessors, (207), 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) [2022-02-21 04:17:51,978 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 101 [2022-02-21 04:17:51,980 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:17:51,980 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:17:51,981 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:51,981 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:51,989 INFO L791 eck$LassoCheckResult]: Stem: 138#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 45#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret7#1, main_~retValue_acc~2#1, main_~tmp~1#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 24#L104true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 90#L97true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 65#L112true main_#t~ret7#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 149#L213true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 108#L189true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 32#L918-2true [2022-02-21 04:17:51,990 INFO L793 eck$LassoCheckResult]: Loop: 32#L918-2true assume !false; 105#L919true assume test_~splverifierCounter~0#1 < 4; 142#L920true test_~tmp~9#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 76#L928true assume !(0 != test_~tmp~9#1); 25#L928-2true test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 132#L938true assume !(0 != test_~tmp___0~2#1); 114#L938-2true test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 8#L948true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 29#L904true assume { :end_inline_startSystem } true; 100#L956-2true assume { :begin_inline_timeShift } true; 39#L697true assume !(0 != ~pumpRunning~0); 4#L697-2true assume !(0 != ~systemActive~0); 80#L704-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 152#L306true __utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 85#L61true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 130#L61-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 14#L714true assume { :end_inline_timeShift } true; 32#L918-2true [2022-02-21 04:17:51,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:51,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-02-21 04:17:52,001 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:52,002 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493118984] [2022-02-21 04:17:52,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:52,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:52,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:52,134 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:52,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:52,188 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:52,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:52,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1850086529, now seen corresponding path program 1 times [2022-02-21 04:17:52,192 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:52,193 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064435552] [2022-02-21 04:17:52,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:52,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:17:52,275 INFO L290 TraceCheckUtils]: 0: Hoare triple {161#true} assume !false; {161#true} is VALID [2022-02-21 04:17:52,276 INFO L290 TraceCheckUtils]: 1: Hoare triple {161#true} assume test_~splverifierCounter~0#1 < 4; {161#true} is VALID [2022-02-21 04:17:52,276 INFO L290 TraceCheckUtils]: 2: Hoare triple {161#true} test_~tmp~9#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; {161#true} is VALID [2022-02-21 04:17:52,276 INFO L290 TraceCheckUtils]: 3: Hoare triple {161#true} assume !(0 != test_~tmp~9#1); {161#true} is VALID [2022-02-21 04:17:52,276 INFO L290 TraceCheckUtils]: 4: Hoare triple {161#true} test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; {161#true} is VALID [2022-02-21 04:17:52,277 INFO L290 TraceCheckUtils]: 5: Hoare triple {161#true} assume !(0 != test_~tmp___0~2#1); {161#true} is VALID [2022-02-21 04:17:52,277 INFO L290 TraceCheckUtils]: 6: Hoare triple {161#true} test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; {161#true} is VALID [2022-02-21 04:17:52,278 INFO L290 TraceCheckUtils]: 7: Hoare triple {161#true} assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; {163#(<= 1 ~systemActive~0)} is VALID [2022-02-21 04:17:52,278 INFO L290 TraceCheckUtils]: 8: Hoare triple {163#(<= 1 ~systemActive~0)} assume { :end_inline_startSystem } true; {163#(<= 1 ~systemActive~0)} is VALID [2022-02-21 04:17:52,278 INFO L290 TraceCheckUtils]: 9: Hoare triple {163#(<= 1 ~systemActive~0)} assume { :begin_inline_timeShift } true; {163#(<= 1 ~systemActive~0)} is VALID [2022-02-21 04:17:52,279 INFO L290 TraceCheckUtils]: 10: Hoare triple {163#(<= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {163#(<= 1 ~systemActive~0)} is VALID [2022-02-21 04:17:52,279 INFO L290 TraceCheckUtils]: 11: Hoare triple {163#(<= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {162#false} is VALID [2022-02-21 04:17:52,280 INFO L290 TraceCheckUtils]: 12: Hoare triple {162#false} assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; {162#false} is VALID [2022-02-21 04:17:52,280 INFO L290 TraceCheckUtils]: 13: Hoare triple {162#false} __utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; {162#false} is VALID [2022-02-21 04:17:52,280 INFO L290 TraceCheckUtils]: 14: Hoare triple {162#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); {162#false} is VALID [2022-02-21 04:17:52,280 INFO L290 TraceCheckUtils]: 15: Hoare triple {162#false} assume { :end_inline___utac_acc__Specification4_spec__1 } true; {162#false} is VALID [2022-02-21 04:17:52,280 INFO L290 TraceCheckUtils]: 16: Hoare triple {162#false} assume { :end_inline_timeShift } true; {162#false} is VALID [2022-02-21 04:17:52,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 04:17:52,282 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:17:52,282 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064435552] [2022-02-21 04:17:52,282 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064435552] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:17:52,283 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:17:52,283 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-21 04:17:52,283 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724016659] [2022-02-21 04:17:52,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:17:52,289 INFO L808 eck$LassoCheckResult]: loop already infeasible [2022-02-21 04:17:52,290 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:17:52,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-21 04:17:52,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-21 04:17:52,315 INFO L87 Difference]: Start difference. First operand has 155 states, 154 states have (on average 1.344155844155844) internal successors, (207), 154 states have internal predecessors, (207), 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 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2022-02-21 04:17:52,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:52,630 INFO L93 Difference]: Finished difference Result 295 states and 381 transitions. [2022-02-21 04:17:52,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-21 04:17:52,632 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2022-02-21 04:17:52,648 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:17:52,655 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 295 states and 381 transitions. [2022-02-21 04:17:52,667 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 192 [2022-02-21 04:17:52,681 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 295 states to 275 states and 360 transitions. [2022-02-21 04:17:52,682 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 275 [2022-02-21 04:17:52,683 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 275 [2022-02-21 04:17:52,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 275 states and 360 transitions. [2022-02-21 04:17:52,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:17:52,687 INFO L681 BuchiCegarLoop]: Abstraction has 275 states and 360 transitions. [2022-02-21 04:17:52,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states and 360 transitions. [2022-02-21 04:17:52,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 272. [2022-02-21 04:17:52,753 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:17:52,757 INFO L82 GeneralOperation]: Start isEquivalent. First operand 275 states and 360 transitions. Second operand has 272 states, 272 states have (on average 1.3088235294117647) internal successors, (356), 271 states have internal predecessors, (356), 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) [2022-02-21 04:17:52,760 INFO L74 IsIncluded]: Start isIncluded. First operand 275 states and 360 transitions. Second operand has 272 states, 272 states have (on average 1.3088235294117647) internal successors, (356), 271 states have internal predecessors, (356), 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) [2022-02-21 04:17:52,763 INFO L87 Difference]: Start difference. First operand 275 states and 360 transitions. Second operand has 272 states, 272 states have (on average 1.3088235294117647) internal successors, (356), 271 states have internal predecessors, (356), 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) [2022-02-21 04:17:52,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:52,772 INFO L93 Difference]: Finished difference Result 275 states and 360 transitions. [2022-02-21 04:17:52,772 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 360 transitions. [2022-02-21 04:17:52,779 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:17:52,780 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:17:52,781 INFO L74 IsIncluded]: Start isIncluded. First operand has 272 states, 272 states have (on average 1.3088235294117647) internal successors, (356), 271 states have internal predecessors, (356), 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 275 states and 360 transitions. [2022-02-21 04:17:52,783 INFO L87 Difference]: Start difference. First operand has 272 states, 272 states have (on average 1.3088235294117647) internal successors, (356), 271 states have internal predecessors, (356), 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 275 states and 360 transitions. [2022-02-21 04:17:52,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:52,792 INFO L93 Difference]: Finished difference Result 275 states and 360 transitions. [2022-02-21 04:17:52,793 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 360 transitions. [2022-02-21 04:17:52,794 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:17:52,795 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:17:52,795 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:17:52,795 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:17:52,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 272 states have (on average 1.3088235294117647) internal successors, (356), 271 states have internal predecessors, (356), 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) [2022-02-21 04:17:52,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 356 transitions. [2022-02-21 04:17:52,809 INFO L704 BuchiCegarLoop]: Abstraction has 272 states and 356 transitions. [2022-02-21 04:17:52,809 INFO L587 BuchiCegarLoop]: Abstraction has 272 states and 356 transitions. [2022-02-21 04:17:52,809 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 04:17:52,809 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 272 states and 356 transitions. [2022-02-21 04:17:52,812 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 189 [2022-02-21 04:17:52,812 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:17:52,812 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:17:52,813 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:52,813 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, 1, 1] [2022-02-21 04:17:52,813 INFO L791 eck$LassoCheckResult]: Stem: 606#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 530#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret7#1, main_~retValue_acc~2#1, main_~tmp~1#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 496#L104 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 497#L97 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 558#L112 main_#t~ret7#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 559#L213 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 592#L189 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 593#L918-2 [2022-02-21 04:17:52,814 INFO L793 eck$LassoCheckResult]: Loop: 593#L918-2 assume !false; 674#L919 assume test_~splverifierCounter~0#1 < 4; 675#L920 test_~tmp~9#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 721#L928 assume !(0 != test_~tmp~9#1); 719#L928-2 test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 717#L938 assume !(0 != test_~tmp___0~2#1); 715#L938-2 test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 713#L948 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 470#L904 assume { :end_inline_startSystem } true; 506#L956-2 assume { :begin_inline_timeShift } true; 707#L697 assume !(0 != ~pumpRunning~0); 704#L697-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 703#L755 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret36#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1; 594#L729-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 595#L721-3 assume { :end_inline_processEnvironment__wrappee__base } true; 578#L729-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 685#L755-1 assume { :end_inline_processEnvironment } true; 684#L704-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 683#L306 __utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 681#L61 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 679#L61-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 677#L714 assume { :end_inline_timeShift } true; 593#L918-2 [2022-02-21 04:17:52,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:52,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-02-21 04:17:52,815 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:52,815 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90374256] [2022-02-21 04:17:52,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:52,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:52,852 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:52,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:52,886 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:52,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:52,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1764513710, now seen corresponding path program 1 times [2022-02-21 04:17:52,888 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:52,888 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095177569] [2022-02-21 04:17:52,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:52,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:52,905 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:52,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:52,913 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:52,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:52,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1413610894, now seen corresponding path program 1 times [2022-02-21 04:17:52,914 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:52,914 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390426758] [2022-02-21 04:17:52,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:52,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:52,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:52,936 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:52,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:52,953 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:56,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 04:17:56 BoogieIcfgContainer [2022-02-21 04:17:56,016 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 04:17:56,017 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 04:17:56,017 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 04:17:56,017 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 04:17:56,018 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:17:51" (3/4) ... [2022-02-21 04:17:56,020 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-02-21 04:17:56,085 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-21 04:17:56,098 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 04:17:56,100 INFO L158 Benchmark]: Toolchain (without parser) took 6054.95ms. Allocated memory was 96.5MB in the beginning and 146.8MB in the end (delta: 50.3MB). Free memory was 63.5MB in the beginning and 85.0MB in the end (delta: -21.5MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2022-02-21 04:17:56,100 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 96.5MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:17:56,101 INFO L158 Benchmark]: CACSL2BoogieTranslator took 813.18ms. Allocated memory is still 96.5MB. Free memory was 63.3MB in the beginning and 61.3MB in the end (delta: 2.0MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2022-02-21 04:17:56,101 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.62ms. Allocated memory is still 96.5MB. Free memory was 60.9MB in the beginning and 57.1MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-21 04:17:56,102 INFO L158 Benchmark]: Boogie Preprocessor took 84.70ms. Allocated memory is still 96.5MB. Free memory was 57.1MB in the beginning and 54.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:17:56,102 INFO L158 Benchmark]: RCFGBuilder took 750.73ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 54.6MB in the beginning and 89.8MB in the end (delta: -35.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-02-21 04:17:56,103 INFO L158 Benchmark]: BuchiAutomizer took 4201.47ms. Allocated memory was 117.4MB in the beginning and 146.8MB in the end (delta: 29.4MB). Free memory was 89.8MB in the beginning and 88.1MB in the end (delta: 1.7MB). Peak memory consumption was 79.2MB. Max. memory is 16.1GB. [2022-02-21 04:17:56,103 INFO L158 Benchmark]: Witness Printer took 82.01ms. Allocated memory is still 146.8MB. Free memory was 88.1MB in the beginning and 85.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:17:56,105 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 96.5MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 813.18ms. Allocated memory is still 96.5MB. Free memory was 63.3MB in the beginning and 61.3MB in the end (delta: 2.0MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.62ms. Allocated memory is still 96.5MB. Free memory was 60.9MB in the beginning and 57.1MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.70ms. Allocated memory is still 96.5MB. Free memory was 57.1MB in the beginning and 54.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 750.73ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 54.6MB in the beginning and 89.8MB in the end (delta: -35.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 4201.47ms. Allocated memory was 117.4MB in the beginning and 146.8MB in the end (delta: 29.4MB). Free memory was 89.8MB in the beginning and 88.1MB in the end (delta: 1.7MB). Peak memory consumption was 79.2MB. Max. memory is 16.1GB. * Witness Printer took 82.01ms. Allocated memory is still 146.8MB. Free memory was 88.1MB in the beginning and 85.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 272 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 272 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 187 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 187 mSDsluCounter, 383 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 180 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 203 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 918]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@490d29a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@21060f4c=29, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30475618=0, head=0, pumpRunning=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a3d0b89=0, NULL=1, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@226403aa=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2984202d=0, retValue_acc=0, methaneLevelCritical=0, tmp=0, retValue_acc=1, \result=1, tmp=1, tmp___2=29, cleanupTimeShifts=4, \result=0, tmp=1, head=0, \result=1, tmp___1=0, NULL=0, retValue_acc=1, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@143b9b8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7053fee2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7415d601=0, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 918]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L126] int cleanupTimeShifts = 4; [L231] int waterLevel = 1; [L232] int methaneLevelCritical = 0; [L489] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L690] int pumpRunning = 0; [L691] int systemActive = 1; [L204] int retValue_acc ; [L205] int tmp ; [L209] FCALL select_helpers() [L210] FCALL select_features() [L211] CALL, EXPR valid_product() [L108] int retValue_acc ; [L111] retValue_acc = 1 [L112] return (retValue_acc); [L211] RET, EXPR valid_product() [L211] tmp = valid_product() [L213] COND TRUE \read(tmp) [L215] FCALL setup() [L216] CALL runTest() [L198] CALL test() [L909] int splverifierCounter ; [L910] int tmp ; [L911] int tmp___0 ; [L912] int tmp___1 ; [L913] int tmp___2 ; [L916] splverifierCounter = 0 Loop: [L918] COND TRUE 1 [L920] COND TRUE splverifierCounter < 4 [L926] tmp = __VERIFIER_nondet_int() [L928] COND FALSE !(\read(tmp)) [L936] tmp___0 = __VERIFIER_nondet_int() [L938] COND FALSE !(\read(tmp___0)) [L946] tmp___2 = __VERIFIER_nondet_int() [L948] COND TRUE \read(tmp___2) [L950] CALL startSystem() [L903] systemActive = 1 [L950] RET startSystem() [L965] CALL timeShift() [L697] COND FALSE !(\read(pumpRunning)) [L704] COND TRUE \read(systemActive) [L706] CALL processEnvironment() [L752] int tmp ; [L755] COND FALSE !(\read(pumpRunning)) [L770] CALL processEnvironment__wrappee__methaneQuery() [L726] int tmp ; [L729] COND FALSE !(\read(pumpRunning)) [L744] FCALL processEnvironment__wrappee__base() [L770] RET processEnvironment__wrappee__methaneQuery() [L706] RET processEnvironment() [L712] CALL __utac_acc__Specification4_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR getWaterLevel() [L302] int retValue_acc ; [L305] retValue_acc = waterLevel [L306] return (retValue_acc); [L59] RET, EXPR getWaterLevel() [L59] tmp = getWaterLevel() [L61] COND FALSE !(tmp == 0) [L712] RET __utac_acc__Specification4_spec__1() [L965] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-02-21 04:17:56,184 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)