./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8d31f386 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_spec5_product01.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 1c93d0a05e6de6b6d31b5e9d4dbf99554dda0d06 ............................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-06 20:32:10,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 20:32:10,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 20:32:10,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 20:32:10,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 20:32:10,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 20:32:10,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 20:32:10,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 20:32:10,991 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 20:32:10,992 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 20:32:10,993 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 20:32:10,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 20:32:10,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 20:32:10,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 20:32:10,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 20:32:10,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 20:32:10,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 20:32:10,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 20:32:10,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 20:32:10,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 20:32:11,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 20:32:11,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 20:32:11,011 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 20:32:11,012 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 20:32:11,014 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 20:32:11,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 20:32:11,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 20:32:11,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 20:32:11,025 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 20:32:11,026 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 20:32:11,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 20:32:11,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 20:32:11,027 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 20:32:11,028 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 20:32:11,029 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 20:32:11,029 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 20:32:11,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 20:32:11,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 20:32:11,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 20:32:11,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 20:32:11,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 20:32:11,032 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-07-06 20:32:11,050 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 20:32:11,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 20:32:11,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 20:32:11,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 20:32:11,051 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 20:32:11,051 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-07-06 20:32:11,051 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-07-06 20:32:11,051 INFO L138 SettingsManager]: * Use old map elimination=false [2021-07-06 20:32:11,051 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-07-06 20:32:11,052 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-07-06 20:32:11,052 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-07-06 20:32:11,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 20:32:11,052 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-06 20:32:11,052 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 20:32:11,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 20:32:11,052 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-06 20:32:11,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 20:32:11,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-07-06 20:32:11,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-07-06 20:32:11,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-07-06 20:32:11,053 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-06 20:32:11,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-06 20:32:11,053 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-07-06 20:32:11,053 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 20:32:11,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-07-06 20:32:11,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 20:32:11,054 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 20:32:11,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 20:32:11,054 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-06 20:32:11,054 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 20:32:11,055 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-07-06 20:32:11,055 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c93d0a05e6de6b6d31b5e9d4dbf99554dda0d06 [2021-07-06 20:32:11,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 20:32:11,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 20:32:11,304 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 20:32:11,305 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 20:32:11,305 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 20:32:11,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c [2021-07-06 20:32:11,351 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3d39d480/0ce795b43ed64512818eca3ef2dd45e4/FLAG51fd72532 [2021-07-06 20:32:11,758 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 20:32:11,758 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c [2021-07-06 20:32:11,776 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3d39d480/0ce795b43ed64512818eca3ef2dd45e4/FLAG51fd72532 [2021-07-06 20:32:11,784 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3d39d480/0ce795b43ed64512818eca3ef2dd45e4 [2021-07-06 20:32:11,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 20:32:11,787 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-06 20:32:11,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 20:32:11,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 20:32:11,790 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 20:32:11,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 08:32:11" (1/1) ... [2021-07-06 20:32:11,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58ce5cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:11, skipping insertion in model container [2021-07-06 20:32:11,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 08:32:11" (1/1) ... [2021-07-06 20:32:11,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 20:32:11,818 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 20:32:12,016 WARN L224 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_spec5_product01.cil.c[16823,16836] [2021-07-06 20:32:12,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 20:32:12,022 INFO L203 MainTranslator]: Completed pre-run [2021-07-06 20:32:12,070 WARN L224 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_spec5_product01.cil.c[16823,16836] [2021-07-06 20:32:12,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 20:32:12,093 INFO L208 MainTranslator]: Completed translation [2021-07-06 20:32:12,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:12 WrapperNode [2021-07-06 20:32:12,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 20:32:12,097 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-06 20:32:12,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-06 20:32:12,097 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-06 20:32:12,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:12" (1/1) ... [2021-07-06 20:32:12,122 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:12" (1/1) ... [2021-07-06 20:32:12,153 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-06 20:32:12,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-06 20:32:12,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-06 20:32:12,154 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-06 20:32:12,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:12" (1/1) ... [2021-07-06 20:32:12,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:12" (1/1) ... [2021-07-06 20:32:12,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:12" (1/1) ... [2021-07-06 20:32:12,167 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:12" (1/1) ... [2021-07-06 20:32:12,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:12" (1/1) ... [2021-07-06 20:32:12,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:12" (1/1) ... [2021-07-06 20:32:12,184 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:12" (1/1) ... [2021-07-06 20:32:12,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-06 20:32:12,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-06 20:32:12,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-06 20:32:12,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-06 20:32:12,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:12" (1/1) ... [2021-07-06 20:32:12,191 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 20:32:12,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 20:32:12,214 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) [2021-07-06 20:32:12,229 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 [2021-07-06 20:32:12,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-06 20:32:12,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-06 20:32:12,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-06 20:32:12,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-06 20:32:12,773 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-06 20:32:12,773 INFO L299 CfgBuilder]: Removed 80 assume(true) statements. [2021-07-06 20:32:12,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:32:12 BoogieIcfgContainer [2021-07-06 20:32:12,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-06 20:32:12,775 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-07-06 20:32:12,776 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-07-06 20:32:12,777 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-07-06 20:32:12,778 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:32:12,778 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.07 08:32:11" (1/3) ... [2021-07-06 20:32:12,779 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7dfa458f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 08:32:12, skipping insertion in model container [2021-07-06 20:32:12,779 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:32:12,779 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:12" (2/3) ... [2021-07-06 20:32:12,779 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7dfa458f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 08:32:12, skipping insertion in model container [2021-07-06 20:32:12,779 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:32:12,779 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:32:12" (3/3) ... [2021-07-06 20:32:12,781 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product01.cil.c [2021-07-06 20:32:12,812 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-07-06 20:32:12,812 INFO L360 BuchiCegarLoop]: Hoare is false [2021-07-06 20:32:12,812 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-07-06 20:32:12,813 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-06 20:32:12,813 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-06 20:32:12,813 INFO L364 BuchiCegarLoop]: Difference is false [2021-07-06 20:32:12,813 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-06 20:32:12,813 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-07-06 20:32:12,825 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 63 states, 62 states have (on average 1.5) internal successors, (93), 62 states have internal predecessors, (93), 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) [2021-07-06 20:32:12,844 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-07-06 20:32:12,845 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:32:12,845 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:32:12,849 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:32:12,849 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:32:12,849 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-07-06 20:32:12,850 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 63 states, 62 states have (on average 1.5) internal successors, (93), 62 states have internal predecessors, (93), 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) [2021-07-06 20:32:12,852 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-07-06 20:32:12,852 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:32:12,852 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:32:12,865 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:32:12,865 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:32:12,871 INFO L791 eck$LassoCheckResult]: Stem: 28#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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(21);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(21);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(25);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(80, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(117, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(109, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(112, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(110, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(32, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 2 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 3#L-1true havoc main_#res;havoc main_#t~ret17, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 44#L254true 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; 54#L262true main_#t~ret17 := valid_product_#res;main_~tmp~0 := main_#t~ret17;havoc main_#t~ret17; 49#L218true assume 0 != main_~tmp~0; 56#L189true ~switchedOnBeforeTS~0 := 0; 43#L641true havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 23#L662-1true [2021-07-06 20:32:12,871 INFO L793 eck$LassoCheckResult]: Loop: 23#L662-1true assume !false; 17#L695true assume test_~splverifierCounter~0 < 4; 41#L696true test_~tmp~5 := test_#t~nondet57;havoc test_#t~nondet57; 57#L704true assume !(0 != test_~tmp~5); 60#L704-1true test_~tmp___0~1 := test_#t~nondet58;havoc test_#t~nondet58; 45#L714true assume !(0 != test_~tmp___0~1); 27#L714-1true test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; 5#L724true assume 0 != test_~tmp___2~0; 52#L730-2true havoc __utac_acc__Specification5_spec__2_#t~ret54;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 26#L820true __utac_acc__Specification5_spec__2_#t~ret54 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret54;havoc __utac_acc__Specification5_spec__2_#t~ret54; 21#L651true assume !(0 != ~pumpRunning~0); 14#L761true assume 0 != ~systemActive~0; 22#L768true havoc __utac_acc__Specification5_spec__3_#t~ret55, __utac_acc__Specification5_spec__3_#t~ret56, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 53#L123true __utac_acc__Specification5_spec__3_#t~ret55 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret55;havoc __utac_acc__Specification5_spec__3_#t~ret55; 19#L662true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4); 23#L662-1true [2021-07-06 20:32:12,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:32:12,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-07-06 20:32:12,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:32:12,880 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829940664] [2021-07-06 20:32:12,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:32:12,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:32:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:32:13,030 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:32:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:32:13,082 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:32:13,102 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:32:13,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:32:13,104 INFO L82 PathProgramCache]: Analyzing trace with hash 93307151, now seen corresponding path program 1 times [2021-07-06 20:32:13,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:32:13,105 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683832267] [2021-07-06 20:32:13,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:32:13,105 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:32:13,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:32:13,109 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:32:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:32:13,112 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:32:13,114 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:32:13,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:32:13,116 INFO L82 PathProgramCache]: Analyzing trace with hash 2027332361, now seen corresponding path program 1 times [2021-07-06 20:32:13,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:32:13,116 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57722811] [2021-07-06 20:32:13,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:32:13,116 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:32:13,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 20:32:13,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:32:13,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 20:32:13,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:32:13,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 20:32:13,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:32:13,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 20:32:13,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 20:32:13,233 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-06 20:32:13,233 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57722811] [2021-07-06 20:32:13,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57722811] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-06 20:32:13,233 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-06 20:32:13,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-06 20:32:13,234 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841539018] [2021-07-06 20:32:13,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:32:13,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-06 20:32:13,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-06 20:32:13,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-06 20:32:13,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-06 20:32:13,330 INFO L87 Difference]: Start difference. First operand has 63 states, 62 states have (on average 1.5) internal successors, (93), 62 states have internal predecessors, (93), 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 5 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-07-06 20:32:13,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-06 20:32:13,461 INFO L93 Difference]: Finished difference Result 162 states and 218 transitions. [2021-07-06 20:32:13,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-06 20:32:13,463 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 162 states and 218 transitions. [2021-07-06 20:32:13,474 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2021-07-06 20:32:13,479 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 162 states to 144 states and 200 transitions. [2021-07-06 20:32:13,480 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 144 [2021-07-06 20:32:13,482 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 144 [2021-07-06 20:32:13,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 144 states and 200 transitions. [2021-07-06 20:32:13,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-07-06 20:32:13,484 INFO L681 BuchiCegarLoop]: Abstraction has 144 states and 200 transitions. [2021-07-06 20:32:13,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states and 200 transitions. [2021-07-06 20:32:13,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 105. [2021-07-06 20:32:13,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 105 states have (on average 1.3523809523809525) internal successors, (142), 104 states have internal predecessors, (142), 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) [2021-07-06 20:32:13,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 142 transitions. [2021-07-06 20:32:13,510 INFO L704 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2021-07-06 20:32:13,511 INFO L587 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2021-07-06 20:32:13,511 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-07-06 20:32:13,511 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 105 states and 142 transitions. [2021-07-06 20:32:13,512 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2021-07-06 20:32:13,512 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:32:13,513 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:32:13,513 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:32:13,513 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:32:13,513 INFO L791 eck$LassoCheckResult]: Stem: 285#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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(21);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(21);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(25);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(80, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(117, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(109, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(112, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(110, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(32, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 2 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 244#L-1 havoc main_#res;havoc main_#t~ret17, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 245#L254 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; 301#L262 main_#t~ret17 := valid_product_#res;main_~tmp~0 := main_#t~ret17;havoc main_#t~ret17; 306#L218 assume 0 != main_~tmp~0; 307#L189 ~switchedOnBeforeTS~0 := 0; 299#L641 havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 300#L662-1 [2021-07-06 20:32:13,514 INFO L793 eck$LassoCheckResult]: Loop: 300#L662-1 assume !false; 330#L695 assume test_~splverifierCounter~0 < 4; 331#L696 test_~tmp~5 := test_#t~nondet57;havoc test_#t~nondet57; 348#L704 assume !(0 != test_~tmp~5); 347#L704-1 test_~tmp___0~1 := test_#t~nondet58;havoc test_#t~nondet58; 346#L714 assume !(0 != test_~tmp___0~1); 344#L714-1 test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; 343#L724 assume 0 != test_~tmp___2~0; 341#L730-2 havoc __utac_acc__Specification5_spec__2_#t~ret54;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 340#L820 __utac_acc__Specification5_spec__2_#t~ret54 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret54;havoc __utac_acc__Specification5_spec__2_#t~ret54; 339#L651 assume !(0 != ~pumpRunning~0); 338#L761 assume 0 != ~systemActive~0; 337#L768 havoc __utac_acc__Specification5_spec__3_#t~ret55, __utac_acc__Specification5_spec__3_#t~ret56, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 336#L123 __utac_acc__Specification5_spec__3_#t~ret55 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret55;havoc __utac_acc__Specification5_spec__3_#t~ret55; 335#L662 assume 2 != __utac_acc__Specification5_spec__3_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 334#L820-1 __utac_acc__Specification5_spec__3_#t~ret56 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret56;havoc __utac_acc__Specification5_spec__3_#t~ret56; 333#L666 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0); 300#L662-1 [2021-07-06 20:32:13,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:32:13,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-07-06 20:32:13,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:32:13,518 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852613814] [2021-07-06 20:32:13,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:32:13,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:32:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:32:13,564 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:32:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:32:13,619 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:32:13,634 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:32:13,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:32:13,634 INFO L82 PathProgramCache]: Analyzing trace with hash -526156086, now seen corresponding path program 1 times [2021-07-06 20:32:13,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:32:13,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197716576] [2021-07-06 20:32:13,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:32:13,635 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:32:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:32:13,638 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:32:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:32:13,639 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:32:13,641 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:32:13,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:32:13,642 INFO L82 PathProgramCache]: Analyzing trace with hash -1648768444, now seen corresponding path program 1 times [2021-07-06 20:32:13,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:32:13,642 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100511504] [2021-07-06 20:32:13,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:32:13,642 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:32:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:32:13,660 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:32:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:32:13,677 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:32:13,684 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:32:13,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:32:13,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-06 20:32:52,912 WARN L205 SmtUtils]: Spent 39.10 s on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-07-06 20:32:52,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:32:52,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2130 [2021-07-06 20:33:12,744 WARN L205 SmtUtils]: Spent 19.77 s on a formula simplification that was a NOOP. DAG size: 435 [2021-07-06 20:33:12,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.07 08:33:12 BoogieIcfgContainer [2021-07-06 20:33:12,848 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-07-06 20:33:12,848 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-06 20:33:12,848 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-06 20:33:12,849 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-06 20:33:12,849 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:32:12" (3/4) ... [2021-07-06 20:33:12,854 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-07-06 20:33:12,890 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-06 20:33:12,891 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-06 20:33:12,891 INFO L168 Benchmark]: Toolchain (without parser) took 61104.55 ms. Allocated memory was 54.5 MB in the beginning and 102.8 MB in the end (delta: 48.2 MB). Free memory was 31.2 MB in the beginning and 76.9 MB in the end (delta: -45.7 MB). Peak memory consumption was 59.9 MB. Max. memory is 16.1 GB. [2021-07-06 20:33:12,892 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 54.5 MB. Free memory was 37.3 MB in the beginning and 37.2 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 20:33:12,892 INFO L168 Benchmark]: CACSL2BoogieTranslator took 308.44 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.0 MB in the beginning and 41.6 MB in the end (delta: -10.5 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2021-07-06 20:33:12,892 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.57 ms. Allocated memory is still 67.1 MB. Free memory was 41.3 MB in the beginning and 38.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-07-06 20:33:12,893 INFO L168 Benchmark]: Boogie Preprocessor took 32.53 ms. Allocated memory is still 67.1 MB. Free memory was 38.8 MB in the beginning and 37.0 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 20:33:12,895 INFO L168 Benchmark]: RCFGBuilder took 587.55 ms. Allocated memory is still 67.1 MB. Free memory was 36.7 MB in the beginning and 33.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. [2021-07-06 20:33:12,895 INFO L168 Benchmark]: BuchiAutomizer took 60072.52 ms. Allocated memory was 67.1 MB in the beginning and 102.8 MB in the end (delta: 35.7 MB). Free memory was 33.2 MB in the beginning and 20.4 MB in the end (delta: 12.8 MB). Peak memory consumption was 51.4 MB. Max. memory is 16.1 GB. [2021-07-06 20:33:12,896 INFO L168 Benchmark]: Witness Printer took 42.34 ms. Allocated memory is still 102.8 MB. Free memory was 20.4 MB in the beginning and 76.9 MB in the end (delta: -56.5 MB). Peak memory consumption was 2.2 MB. Max. memory is 16.1 GB. [2021-07-06 20:33:12,897 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 54.5 MB. Free memory was 37.3 MB in the beginning and 37.2 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 308.44 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.0 MB in the beginning and 41.6 MB in the end (delta: -10.5 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 56.57 ms. Allocated memory is still 67.1 MB. Free memory was 41.3 MB in the beginning and 38.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.53 ms. Allocated memory is still 67.1 MB. Free memory was 38.8 MB in the beginning and 37.0 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 587.55 ms. Allocated memory is still 67.1 MB. Free memory was 36.7 MB in the beginning and 33.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 60072.52 ms. Allocated memory was 67.1 MB in the beginning and 102.8 MB in the end (delta: 35.7 MB). Free memory was 33.2 MB in the beginning and 20.4 MB in the end (delta: 12.8 MB). Peak memory consumption was 51.4 MB. Max. memory is 16.1 GB. * Witness Printer took 42.34 ms. Allocated memory is still 102.8 MB. Free memory was 20.4 MB in the beginning and 76.9 MB in the end (delta: -56.5 MB). Peak memory consumption was 2.2 MB. Max. memory is 16.1 GB. * 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 5 locations. The remainder module has 105 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 60.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 59.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 18.3ms AutomataMinimizationTime, 1 MinimizatonAttempts, 39 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 105 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 126 SDtfs, 224 SDslu, 235 SDs, 0 SdLazy, 67 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 50.3ms Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 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: 694]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=6457} State at position 1 is {NULL=0, NULL=0, NULL=6483, NULL=0, NULL=0, retValue_acc=0, NULL=6457, NULL=6476, NULL=0, NULL=6461, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@765eac76=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@35717077=0, NULL=6463, NULL=6488, NULL=0, NULL=6459, methaneLevelCritical=0, NULL=6478, NULL=6475, NULL=0, NULL=0, tmp=0, NULL=6469, tmp=1, NULL=0, tmp___1=0, NULL=0, NULL=0, NULL=0, NULL=6480, cleanupTimeShifts=4, switchedOnBeforeTS=0, NULL=6474, NULL=6464, NULL=6479, \result=0, NULL=0, systemActive=1, waterLevel=1, NULL=6468, \result=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=6484, NULL=0, NULL=6470, NULL=0, NULL=6487, tmp___0=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, tmp=1, NULL=6458, \result=0, NULL=0, NULL=0, NULL=6467, retValue_acc=1, NULL=6462, NULL=0, NULL=0, NULL=6460, NULL=0, NULL=6485, tmp___2=64, NULL=0, tmp___0=0, splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57aace4c=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79c47b2f=0, NULL=6466, NULL=6482, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45df9af5=64, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@574cab29=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c39705e=0, head=0, NULL=0, NULL=0, NULL=6481, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@385f5ab6=0, NULL=6477, retValue_acc=0, NULL=0, NULL=6473, NULL=6465} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L48] int waterLevel = 1; [L49] int methaneLevelCritical = 0; [L128] int cleanupTimeShifts = 4; [L436] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L635] int switchedOnBeforeTS ; [L751] int pumpRunning = 0; [L752] int systemActive = 1; [L209] int retValue_acc ; [L210] int tmp ; [L258] int retValue_acc ; [L261] retValue_acc = 1 [L262] return (retValue_acc); [L216] tmp = valid_product() [L218] COND TRUE \read(tmp) [L640] switchedOnBeforeTS = 0 [L685] int splverifierCounter ; [L686] int tmp ; [L687] int tmp___0 ; [L688] int tmp___1 ; [L689] int tmp___2 ; [L692] splverifierCounter = 0 Loop: [L694] COND TRUE 1 [L696] COND TRUE splverifierCounter < 4 [L702] tmp = __VERIFIER_nondet_int() [L704] COND FALSE !(\read(tmp)) [L712] tmp___0 = __VERIFIER_nondet_int() [L714] COND FALSE !(\read(tmp___0)) [L722] tmp___2 = __VERIFIER_nondet_int() [L724] COND TRUE \read(tmp___2) [L816] int retValue_acc ; [L819] retValue_acc = pumpRunning [L820] return (retValue_acc); [L649] switchedOnBeforeTS = isPumpRunning() [L761] COND FALSE !(\read(pumpRunning)) [L768] COND TRUE \read(systemActive) [L655] int tmp ; [L656] int tmp___0 ; [L119] int retValue_acc ; [L122] retValue_acc = waterLevel [L123] return (retValue_acc); [L660] tmp = getWaterLevel() [L662] COND TRUE tmp != 2 [L816] int retValue_acc ; [L819] retValue_acc = pumpRunning [L820] return (retValue_acc); [L664] tmp___0 = isPumpRunning() [L666] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-07-06 20:33:12,938 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...