./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product12.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 94c250c59ca6a4ad79cab3b64e0d4d94a65a3d8e8b11f1d4a1323613891ef929 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 02:36:23,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 02:36:23,970 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 02:36:24,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 02:36:24,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 02:36:24,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 02:36:24,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 02:36:24,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 02:36:24,020 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 02:36:24,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 02:36:24,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 02:36:24,029 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 02:36:24,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 02:36:24,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 02:36:24,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 02:36:24,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 02:36:24,032 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 02:36:24,033 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 02:36:24,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 02:36:24,036 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 02:36:24,037 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 02:36:24,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 02:36:24,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 02:36:24,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 02:36:24,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 02:36:24,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 02:36:24,052 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 02:36:24,052 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 02:36:24,053 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 02:36:24,054 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 02:36:24,055 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 02:36:24,055 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 02:36:24,056 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 02:36:24,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 02:36:24,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 02:36:24,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 02:36:24,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 02:36:24,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 02:36:24,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 02:36:24,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 02:36:24,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 02:36:24,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 02:36:24,064 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-22 02:36:24,087 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 02:36:24,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 02:36:24,088 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 02:36:24,088 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 02:36:24,090 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 02:36:24,090 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 02:36:24,091 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 02:36:24,091 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 02:36:24,091 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 02:36:24,092 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 02:36:24,092 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 02:36:24,092 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 02:36:24,092 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 02:36:24,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 02:36:24,093 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 02:36:24,093 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 02:36:24,093 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 02:36:24,093 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 02:36:24,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 02:36:24,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 02:36:24,094 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 02:36:24,094 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 02:36:24,094 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 02:36:24,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 02:36:24,095 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 02:36:24,095 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 02:36:24,095 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 02:36:24,095 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 02:36:24,096 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 02:36:24,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 02:36:24,096 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 02:36:24,097 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 02:36:24,098 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94c250c59ca6a4ad79cab3b64e0d4d94a65a3d8e8b11f1d4a1323613891ef929 [2022-07-22 02:36:24,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 02:36:24,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 02:36:24,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 02:36:24,409 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 02:36:24,411 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 02:36:24,413 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c [2022-07-22 02:36:24,478 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82a211d95/72bded3241614d429c2314bbd63980b9/FLAG59a4fb5fd [2022-07-22 02:36:24,958 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 02:36:24,958 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c [2022-07-22 02:36:24,992 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82a211d95/72bded3241614d429c2314bbd63980b9/FLAG59a4fb5fd [2022-07-22 02:36:25,338 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82a211d95/72bded3241614d429c2314bbd63980b9 [2022-07-22 02:36:25,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 02:36:25,342 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 02:36:25,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 02:36:25,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 02:36:25,347 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 02:36:25,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:36:25" (1/1) ... [2022-07-22 02:36:25,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29dcc6c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:25, skipping insertion in model container [2022-07-22 02:36:25,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:36:25" (1/1) ... [2022-07-22 02:36:25,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 02:36:25,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 02:36:25,605 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_spec1_product12.cil.c[4542,4555] [2022-07-22 02:36:25,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:36:25,686 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 02:36:25,714 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_spec1_product12.cil.c[4542,4555] [2022-07-22 02:36:25,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:36:25,799 INFO L208 MainTranslator]: Completed translation [2022-07-22 02:36:25,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:25 WrapperNode [2022-07-22 02:36:25,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 02:36:25,801 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 02:36:25,801 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 02:36:25,801 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 02:36:25,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:25" (1/1) ... [2022-07-22 02:36:25,819 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:25" (1/1) ... [2022-07-22 02:36:25,845 INFO L137 Inliner]: procedures = 52, calls = 149, calls flagged for inlining = 46, calls inlined = 35, statements flattened = 288 [2022-07-22 02:36:25,849 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 02:36:25,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 02:36:25,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 02:36:25,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 02:36:25,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:25" (1/1) ... [2022-07-22 02:36:25,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:25" (1/1) ... [2022-07-22 02:36:25,871 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:25" (1/1) ... [2022-07-22 02:36:25,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:25" (1/1) ... [2022-07-22 02:36:25,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:25" (1/1) ... [2022-07-22 02:36:25,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:25" (1/1) ... [2022-07-22 02:36:25,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:25" (1/1) ... [2022-07-22 02:36:25,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 02:36:25,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 02:36:25,909 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 02:36:25,909 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 02:36:25,910 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:25" (1/1) ... [2022-07-22 02:36:25,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:36:25,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:36:25,940 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) [2022-07-22 02:36:25,959 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 [2022-07-22 02:36:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 02:36:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 02:36:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 02:36:25,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 02:36:26,094 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 02:36:26,096 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 02:36:26,372 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 02:36:26,377 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 02:36:26,378 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 02:36:26,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:36:26 BoogieIcfgContainer [2022-07-22 02:36:26,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 02:36:26,381 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 02:36:26,381 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 02:36:26,383 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 02:36:26,384 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:36:26,384 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 02:36:25" (1/3) ... [2022-07-22 02:36:26,385 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26ed288f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:36:26, skipping insertion in model container [2022-07-22 02:36:26,385 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:36:26,385 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:25" (2/3) ... [2022-07-22 02:36:26,386 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26ed288f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:36:26, skipping insertion in model container [2022-07-22 02:36:26,386 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:36:26,386 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:36:26" (3/3) ... [2022-07-22 02:36:26,387 INFO L354 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product12.cil.c [2022-07-22 02:36:26,463 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 02:36:26,463 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-22 02:36:26,463 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 02:36:26,463 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 02:36:26,464 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 02:36:26,464 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-22 02:36:26,464 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 02:36:26,464 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 02:36:26,469 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 80 states, 79 states have (on average 1.3670886075949367) internal successors, (108), 79 states have internal predecessors, (108), 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) [2022-07-22 02:36:26,492 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2022-07-22 02:36:26,492 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:36:26,492 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:36:26,498 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:36:26,499 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:36:26,499 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 02:36:26,500 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 80 states, 79 states have (on average 1.3670886075949367) internal successors, (108), 79 states have internal predecessors, (108), 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) [2022-07-22 02:36:26,510 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2022-07-22 02:36:26,511 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:36:26,511 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:36:26,512 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:36:26,512 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:36:26,520 INFO L752 eck$LassoCheckResult]: Stem: 60#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(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 44#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 25#L396true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 15#L389true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 53#L404true main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 38#L883true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 45#L860true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 46#L66-2true [2022-07-22 02:36:26,521 INFO L754 eck$LassoCheckResult]: Loop: 46#L66-2true assume !false; 58#L67true assume test_~splverifierCounter~0#1 < 4; 66#L68true test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 77#L76true assume !(0 != test_~tmp~0#1); 63#L76-2true test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 4#L86true assume !(0 != test_~tmp___0~0#1); 75#L86-2true test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 48#L96true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 69#L277true assume { :end_inline_startSystem } true; 74#L104-2true assume { :begin_inline_timeShift } true; 65#L140true assume !(0 != ~pumpRunning~0); 61#L140-2true assume !(0 != ~systemActive~0); 70#L147-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_~tmp~2#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~2#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 37#L334true __utac_acc__Specification1_spec__1_#t~ret24#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~2#1 := __utac_acc__Specification1_spec__1_#t~ret24#1;havoc __utac_acc__Specification1_spec__1_#t~ret24#1; 43#L417true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2#1); 57#L417-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 9#L157true assume { :end_inline_timeShift } true; 46#L66-2true [2022-07-22 02:36:26,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:36:26,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-07-22 02:36:26,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:36:26,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595000166] [2022-07-22 02:36:26,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:36:26,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:36:26,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:26,648 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:36:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:26,694 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:36:26,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:36:26,697 INFO L85 PathProgramCache]: Analyzing trace with hash -516589951, now seen corresponding path program 1 times [2022-07-22 02:36:26,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:36:26,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326203862] [2022-07-22 02:36:26,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:36:26,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:36:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:36:26,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:36:26,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 02:36:26,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326203862] [2022-07-22 02:36:26,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326203862] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 02:36:26,770 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 02:36:26,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 02:36:26,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729647103] [2022-07-22 02:36:26,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 02:36:26,776 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-22 02:36:26,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 02:36:26,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 02:36:26,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 02:36:26,811 INFO L87 Difference]: Start difference. First operand has 80 states, 79 states have (on average 1.3670886075949367) internal successors, (108), 79 states have internal predecessors, (108), 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) [2022-07-22 02:36:26,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 02:36:26,876 INFO L93 Difference]: Finished difference Result 145 states and 183 transitions. [2022-07-22 02:36:26,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 02:36:26,883 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 145 states and 183 transitions. [2022-07-22 02:36:26,890 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 92 [2022-07-22 02:36:26,894 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 145 states to 125 states and 162 transitions. [2022-07-22 02:36:26,895 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 125 [2022-07-22 02:36:26,895 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 125 [2022-07-22 02:36:26,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 125 states and 162 transitions. [2022-07-22 02:36:26,897 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 02:36:26,897 INFO L369 hiAutomatonCegarLoop]: Abstraction has 125 states and 162 transitions. [2022-07-22 02:36:26,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states and 162 transitions. [2022-07-22 02:36:26,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 122. [2022-07-22 02:36:26,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 122 states have (on average 1.2950819672131149) internal successors, (158), 121 states have internal predecessors, (158), 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) [2022-07-22 02:36:26,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 158 transitions. [2022-07-22 02:36:26,922 INFO L392 hiAutomatonCegarLoop]: Abstraction has 122 states and 158 transitions. [2022-07-22 02:36:26,922 INFO L374 stractBuchiCegarLoop]: Abstraction has 122 states and 158 transitions. [2022-07-22 02:36:26,922 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-22 02:36:26,922 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 122 states and 158 transitions. [2022-07-22 02:36:26,924 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 89 [2022-07-22 02:36:26,924 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:36:26,924 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:36:26,925 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:36:26,925 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:36:26,925 INFO L752 eck$LassoCheckResult]: Stem: 297#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(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 288#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 268#L396 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 253#L389 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 254#L404 main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 282#L883 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 283#L860 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 249#L66-2 [2022-07-22 02:36:26,926 INFO L754 eck$LassoCheckResult]: Loop: 249#L66-2 assume !false; 289#L67 assume test_~splverifierCounter~0#1 < 4; 296#L68 test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 300#L76 assume !(0 != test_~tmp~0#1); 298#L76-2 test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 236#L86 assume !(0 != test_~tmp___0~0#1); 238#L86-2 test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 290#L96 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 291#L277 assume { :end_inline_startSystem } true; 263#L104-2 assume { :begin_inline_timeShift } true; 299#L140 assume !(0 != ~pumpRunning~0); 284#L140-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 260#L164 assume { :end_inline_processEnvironment } true; 261#L147-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_~tmp~2#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~2#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 280#L334 __utac_acc__Specification1_spec__1_#t~ret24#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~2#1 := __utac_acc__Specification1_spec__1_#t~ret24#1;havoc __utac_acc__Specification1_spec__1_#t~ret24#1; 281#L417 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2#1); 275#L417-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 248#L157 assume { :end_inline_timeShift } true; 249#L66-2 [2022-07-22 02:36:26,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:36:26,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-07-22 02:36:26,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:36:26,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181447941] [2022-07-22 02:36:26,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:36:26,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:36:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:26,949 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:36:26,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:26,973 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:36:26,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:36:26,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1793660369, now seen corresponding path program 1 times [2022-07-22 02:36:26,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:36:26,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856011751] [2022-07-22 02:36:26,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:36:26,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:36:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:26,982 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:36:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:26,988 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:36:26,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:36:26,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1318665579, now seen corresponding path program 1 times [2022-07-22 02:36:26,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:36:26,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354222570] [2022-07-22 02:36:26,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:36:26,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:36:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:27,045 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:36:27,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:27,088 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:36:30,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 02:36:30 BoogieIcfgContainer [2022-07-22 02:36:30,066 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 02:36:30,079 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 02:36:30,080 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 02:36:30,080 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 02:36:30,081 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:36:26" (3/4) ... [2022-07-22 02:36:30,083 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-22 02:36:30,165 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 02:36:30,166 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 02:36:30,167 INFO L158 Benchmark]: Toolchain (without parser) took 4824.14ms. Allocated memory was 58.7MB in the beginning and 86.0MB in the end (delta: 27.3MB). Free memory was 36.7MB in the beginning and 31.1MB in the end (delta: 5.6MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2022-07-22 02:36:30,168 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 58.7MB. Free memory was 40.9MB in the beginning and 40.8MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:36:30,170 INFO L158 Benchmark]: CACSL2BoogieTranslator took 456.95ms. Allocated memory is still 58.7MB. Free memory was 36.4MB in the beginning and 35.0MB in the end (delta: 1.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-22 02:36:30,171 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.19ms. Allocated memory is still 58.7MB. Free memory was 35.0MB in the beginning and 32.5MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-22 02:36:30,171 INFO L158 Benchmark]: Boogie Preprocessor took 57.69ms. Allocated memory is still 58.7MB. Free memory was 32.5MB in the beginning and 31.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:36:30,172 INFO L158 Benchmark]: RCFGBuilder took 471.01ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 30.8MB in the beginning and 43.2MB in the end (delta: -12.4MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2022-07-22 02:36:30,172 INFO L158 Benchmark]: BuchiAutomizer took 3685.06ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 43.2MB in the beginning and 33.2MB in the end (delta: 10.0MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2022-07-22 02:36:30,173 INFO L158 Benchmark]: Witness Printer took 86.51ms. Allocated memory is still 86.0MB. Free memory was 33.2MB in the beginning and 31.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 02:36:30,175 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 58.7MB. Free memory was 40.9MB in the beginning and 40.8MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 456.95ms. Allocated memory is still 58.7MB. Free memory was 36.4MB in the beginning and 35.0MB in the end (delta: 1.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.19ms. Allocated memory is still 58.7MB. Free memory was 35.0MB in the beginning and 32.5MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.69ms. Allocated memory is still 58.7MB. Free memory was 32.5MB in the beginning and 31.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 471.01ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 30.8MB in the beginning and 43.2MB in the end (delta: -12.4MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3685.06ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 43.2MB in the beginning and 33.2MB in the end (delta: 10.0MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * Witness Printer took 86.51ms. Allocated memory is still 86.0MB. Free memory was 33.2MB in the beginning and 31.1MB in the end (delta: 2.1MB). 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 122 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 88 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 88 mSDsluCounter, 176 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 81 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 95 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 InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 66]: 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, NULL=0, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2546de3c=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1488e02=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33be4597=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a9f92de=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d8a7b46=29, methaneLevelCritical=0, \result=0, retValue_acc=1, \result=1, retValue_acc=0, retValue_acc=0, tmp___2=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e8cb051=0, tmp=0, tmp=1, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@693cfaf0=0, \result=0, head=0, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 66]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L132] int pumpRunning = 0; [L133] int systemActive = 1; [L291] int waterLevel = 1; [L292] int methaneLevelCritical = 0; [L604] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L801] int cleanupTimeShifts = 4; [L874] int retValue_acc ; [L875] int tmp ; [L879] FCALL select_helpers() [L880] FCALL select_features() [L881] CALL, EXPR valid_product() [L400] int retValue_acc ; [L403] retValue_acc = 1 [L404] return (retValue_acc); [L881] RET, EXPR valid_product() [L881] tmp = valid_product() [L883] COND TRUE \read(tmp) [L885] FCALL setup() [L886] CALL runTest() [L868] CALL test() [L57] int splverifierCounter ; [L58] int tmp ; [L59] int tmp___0 ; [L60] int tmp___1 ; [L61] int tmp___2 ; [L64] splverifierCounter = 0 Loop: [L66] COND TRUE 1 [L68] COND TRUE splverifierCounter < 4 [L74] tmp = __VERIFIER_nondet_int() [L76] COND FALSE !(\read(tmp)) [L84] tmp___0 = __VERIFIER_nondet_int() [L86] COND FALSE !(\read(tmp___0)) [L94] tmp___2 = __VERIFIER_nondet_int() [L96] COND TRUE \read(tmp___2) [L98] CALL startSystem() [L276] systemActive = 1 [L98] RET startSystem() [L113] CALL timeShift() [L140] COND FALSE !(\read(pumpRunning)) [L147] COND TRUE \read(systemActive) [L149] FCALL processEnvironment() [L155] CALL __utac_acc__Specification1_spec__1() [L410] int tmp ; [L411] int tmp___0 ; [L415] CALL, EXPR isMethaneLevelCritical() [L330] int retValue_acc ; [L333] retValue_acc = methaneLevelCritical [L334] return (retValue_acc); [L415] RET, EXPR isMethaneLevelCritical() [L415] tmp = isMethaneLevelCritical() [L417] COND FALSE !(\read(tmp)) [L155] RET __utac_acc__Specification1_spec__1() [L113] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-22 02:36:30,244 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)