./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product19.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_spec4_product19.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 861f07fa59cb0cfcece09c1a4e6ddfbbabbcb5606dbdc5d8efc7c0dfaa196551 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 02:38:36,251 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 02:38:36,254 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 02:38:36,301 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 02:38:36,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 02:38:36,302 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 02:38:36,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 02:38:36,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 02:38:36,311 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 02:38:36,315 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 02:38:36,317 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 02:38:36,321 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 02:38:36,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 02:38:36,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 02:38:36,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 02:38:36,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 02:38:36,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 02:38:36,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 02:38:36,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 02:38:36,336 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 02:38:36,337 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 02:38:36,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 02:38:36,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 02:38:36,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 02:38:36,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 02:38:36,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 02:38:36,349 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 02:38:36,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 02:38:36,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 02:38:36,351 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 02:38:36,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 02:38:36,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 02:38:36,353 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 02:38:36,354 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 02:38:36,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 02:38:36,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 02:38:36,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 02:38:36,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 02:38:36,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 02:38:36,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 02:38:36,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 02:38:36,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 02:38:36,366 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-22 02:38:36,399 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 02:38:36,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 02:38:36,400 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 02:38:36,400 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 02:38:36,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 02:38:36,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 02:38:36,401 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 02:38:36,402 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 02:38:36,402 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 02:38:36,403 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 02:38:36,403 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 02:38:36,403 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 02:38:36,404 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 02:38:36,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 02:38:36,404 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 02:38:36,404 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 02:38:36,404 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 02:38:36,405 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 02:38:36,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 02:38:36,405 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 02:38:36,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 02:38:36,405 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 02:38:36,405 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 02:38:36,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 02:38:36,406 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 02:38:36,406 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 02:38:36,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 02:38:36,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 02:38:36,407 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 02:38:36,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 02:38:36,407 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 02:38:36,409 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 02:38:36,409 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 861f07fa59cb0cfcece09c1a4e6ddfbbabbcb5606dbdc5d8efc7c0dfaa196551 [2022-07-22 02:38:36,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 02:38:36,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 02:38:36,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 02:38:36,758 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 02:38:36,759 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 02:38:36,761 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c [2022-07-22 02:38:36,816 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/632e85a59/e5b7d9f55621412d85d49d8af8bf3953/FLAG076acb468 [2022-07-22 02:38:37,311 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 02:38:37,313 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c [2022-07-22 02:38:37,327 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/632e85a59/e5b7d9f55621412d85d49d8af8bf3953/FLAG076acb468 [2022-07-22 02:38:37,793 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/632e85a59/e5b7d9f55621412d85d49d8af8bf3953 [2022-07-22 02:38:37,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 02:38:37,796 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 02:38:37,797 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 02:38:37,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 02:38:37,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 02:38:37,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:38:37" (1/1) ... [2022-07-22 02:38:37,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40758218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:37, skipping insertion in model container [2022-07-22 02:38:37,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:38:37" (1/1) ... [2022-07-22 02:38:37,813 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 02:38:37,857 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 02:38:38,142 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c[14834,14847] [2022-07-22 02:38:38,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:38:38,165 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 02:38:38,243 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c[14834,14847] [2022-07-22 02:38:38,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:38:38,269 INFO L208 MainTranslator]: Completed translation [2022-07-22 02:38:38,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:38 WrapperNode [2022-07-22 02:38:38,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 02:38:38,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 02:38:38,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 02:38:38,271 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 02:38:38,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:38" (1/1) ... [2022-07-22 02:38:38,299 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:38" (1/1) ... [2022-07-22 02:38:38,349 INFO L137 Inliner]: procedures = 53, calls = 151, calls flagged for inlining = 48, calls inlined = 49, statements flattened = 384 [2022-07-22 02:38:38,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 02:38:38,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 02:38:38,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 02:38:38,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 02:38:38,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:38" (1/1) ... [2022-07-22 02:38:38,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:38" (1/1) ... [2022-07-22 02:38:38,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:38" (1/1) ... [2022-07-22 02:38:38,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:38" (1/1) ... [2022-07-22 02:38:38,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:38" (1/1) ... [2022-07-22 02:38:38,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:38" (1/1) ... [2022-07-22 02:38:38,402 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:38" (1/1) ... [2022-07-22 02:38:38,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 02:38:38,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 02:38:38,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 02:38:38,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 02:38:38,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:38" (1/1) ... [2022-07-22 02:38:38,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:38:38,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:38:38,440 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 02:38:38,467 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 02:38:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 02:38:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 02:38:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 02:38:38,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 02:38:38,572 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 02:38:38,573 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 02:38:38,799 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 02:38:38,805 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 02:38:38,806 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 02:38:38,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:38:38 BoogieIcfgContainer [2022-07-22 02:38:38,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 02:38:38,809 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 02:38:38,809 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 02:38:38,811 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 02:38:38,812 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:38:38,812 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 02:38:37" (1/3) ... [2022-07-22 02:38:38,813 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3087b3fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:38:38, skipping insertion in model container [2022-07-22 02:38:38,813 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:38:38,813 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:38" (2/3) ... [2022-07-22 02:38:38,814 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3087b3fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:38:38, skipping insertion in model container [2022-07-22 02:38:38,814 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:38:38,814 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:38:38" (3/3) ... [2022-07-22 02:38:38,815 INFO L354 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product19.cil.c [2022-07-22 02:38:38,889 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 02:38:38,889 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-22 02:38:38,889 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 02:38:38,889 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 02:38:38,889 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 02:38:38,890 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-22 02:38:38,890 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 02:38:38,890 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 02:38:38,894 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 106 states, 105 states have (on average 1.361904761904762) internal successors, (143), 105 states have internal predecessors, (143), 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 02:38:38,937 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2022-07-22 02:38:38,937 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:38:38,938 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:38:38,945 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:38:38,946 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:38:38,946 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 02:38:38,948 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 106 states, 105 states have (on average 1.361904761904762) internal successors, (143), 105 states have internal predecessors, (143), 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 02:38:38,957 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2022-07-22 02:38:38,959 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:38:38,960 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:38:38,961 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:38:38,961 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:38:38,971 INFO L752 eck$LassoCheckResult]: Stem: 96#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 37#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#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; 26#L884true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 16#L877true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 94#L892true main_#t~ret47#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret47#1;havoc main_#t~ret47#1; 44#L848true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 66#L822true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 86#L706-2true [2022-07-22 02:38:38,972 INFO L754 eck$LassoCheckResult]: Loop: 86#L706-2true assume !false; 67#L707true assume test_~splverifierCounter~0#1 < 4; 9#L708true test_~tmp~5#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 45#L716true assume !(0 != test_~tmp~5#1); 89#L716-2true test_~tmp___0~1#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 77#L726true assume !(0 != test_~tmp___0~1#1); 65#L726-2true test_~tmp___2~0#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 32#L736true assume 0 != test_~tmp___2~0#1; 70#L742-2true assume { :begin_inline_timeShift } true; 84#L526true assume !(0 != ~pumpRunning~0); 90#L526-2true assume !(0 != ~systemActive~0); 80#L533-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~7#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 76#L498true __utac_acc__Specification4_spec__1_#t~ret49#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~7#1 := __utac_acc__Specification4_spec__1_#t~ret49#1;havoc __utac_acc__Specification4_spec__1_#t~ret49#1; 97#L905true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7#1); 60#L905-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 47#L543true assume { :end_inline_timeShift } true; 86#L706-2true [2022-07-22 02:38:38,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:38:38,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-07-22 02:38:38,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:38:38,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728749571] [2022-07-22 02:38:38,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:38:39,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:38:39,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:38:39,145 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:38:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:38:39,216 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:38:39,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:38:39,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1634785052, now seen corresponding path program 1 times [2022-07-22 02:38:39,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:38:39,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670697792] [2022-07-22 02:38:39,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:38:39,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:38:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:38:39,255 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:38:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:38:39,265 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:38:39,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:38:39,269 INFO L85 PathProgramCache]: Analyzing trace with hash -279365976, now seen corresponding path program 1 times [2022-07-22 02:38:39,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:38:39,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404722346] [2022-07-22 02:38:39,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:38:39,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:38:39,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:38:39,429 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 02:38:39,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 02:38:39,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404722346] [2022-07-22 02:38:39,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404722346] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 02:38:39,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 02:38:39,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 02:38:39,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382618474] [2022-07-22 02:38:39,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 02:38:39,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 02:38:39,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 02:38:39,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-22 02:38:39,593 INFO L87 Difference]: Start difference. First operand has 106 states, 105 states have (on average 1.361904761904762) internal successors, (143), 105 states have internal predecessors, (143), 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 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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 02:38:39,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 02:38:39,719 INFO L93 Difference]: Finished difference Result 263 states and 335 transitions. [2022-07-22 02:38:39,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 02:38:39,726 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 263 states and 335 transitions. [2022-07-22 02:38:39,740 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 167 [2022-07-22 02:38:39,745 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 263 states to 233 states and 305 transitions. [2022-07-22 02:38:39,746 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 233 [2022-07-22 02:38:39,747 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 233 [2022-07-22 02:38:39,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 233 states and 305 transitions. [2022-07-22 02:38:39,749 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 02:38:39,750 INFO L369 hiAutomatonCegarLoop]: Abstraction has 233 states and 305 transitions. [2022-07-22 02:38:39,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states and 305 transitions. [2022-07-22 02:38:39,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 145. [2022-07-22 02:38:39,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 145 states have (on average 1.3103448275862069) internal successors, (190), 144 states have internal predecessors, (190), 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 02:38:39,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 190 transitions. [2022-07-22 02:38:39,788 INFO L392 hiAutomatonCegarLoop]: Abstraction has 145 states and 190 transitions. [2022-07-22 02:38:39,788 INFO L374 stractBuchiCegarLoop]: Abstraction has 145 states and 190 transitions. [2022-07-22 02:38:39,788 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-22 02:38:39,788 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 145 states and 190 transitions. [2022-07-22 02:38:39,790 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 104 [2022-07-22 02:38:39,792 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:38:39,792 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:38:39,793 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:38:39,793 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:38:39,794 INFO L752 eck$LassoCheckResult]: Stem: 476#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 466#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#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; 448#L884 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 431#L877 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 432#L892 main_#t~ret47#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret47#1;havoc main_#t~ret47#1; 473#L848 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 402#L822 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 403#L706-2 [2022-07-22 02:38:39,794 INFO L754 eck$LassoCheckResult]: Loop: 403#L706-2 assume !false; 404#L707 assume test_~splverifierCounter~0#1 < 4; 405#L708 test_~tmp~5#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 406#L716 assume !(0 != test_~tmp~5#1); 450#L716-2 test_~tmp___0~1#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 444#L726 assume !(0 != test_~tmp___0~1#1); 398#L726-2 test_~tmp___2~0#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 399#L736 assume 0 != test_~tmp___2~0#1; 412#L742-2 assume { :begin_inline_timeShift } true; 413#L526 assume !(0 != ~pumpRunning~0); 456#L526-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 461#L558 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 475#L550-1 assume { :end_inline_processEnvironment__wrappee__base } true; 465#L558-1 assume { :end_inline_processEnvironment } true; 451#L533-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~7#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 435#L498 __utac_acc__Specification4_spec__1_#t~ret49#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~7#1 := __utac_acc__Specification4_spec__1_#t~ret49#1;havoc __utac_acc__Specification4_spec__1_#t~ret49#1; 436#L905 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7#1); 477#L905-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 474#L543 assume { :end_inline_timeShift } true; 403#L706-2 [2022-07-22 02:38:39,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:38:39,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-07-22 02:38:39,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:38:39,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365034591] [2022-07-22 02:38:39,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:38:39,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:38:39,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:38:39,820 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:38:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:38:39,849 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:38:39,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:38:39,855 INFO L85 PathProgramCache]: Analyzing trace with hash -313172338, now seen corresponding path program 1 times [2022-07-22 02:38:39,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:38:39,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724091985] [2022-07-22 02:38:39,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:38:39,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:38:39,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:38:39,864 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:38:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:38:39,874 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:38:39,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:38:39,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1988971082, now seen corresponding path program 1 times [2022-07-22 02:38:39,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:38:39,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438456238] [2022-07-22 02:38:39,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:38:39,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:38:39,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:38:39,902 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:38:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:38:39,916 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:38:42,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 02:38:42 BoogieIcfgContainer [2022-07-22 02:38:42,679 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 02:38:42,680 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 02:38:42,680 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 02:38:42,680 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 02:38:42,681 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:38:38" (3/4) ... [2022-07-22 02:38:42,683 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-22 02:38:42,720 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 02:38:42,721 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 02:38:42,721 INFO L158 Benchmark]: Toolchain (without parser) took 4925.24ms. Allocated memory was 56.6MB in the beginning and 86.0MB in the end (delta: 29.4MB). Free memory was 34.4MB in the beginning and 58.9MB in the end (delta: -24.5MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2022-07-22 02:38:42,722 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 56.6MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 38.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:38:42,722 INFO L158 Benchmark]: CACSL2BoogieTranslator took 473.12ms. Allocated memory is still 56.6MB. Free memory was 34.2MB in the beginning and 32.3MB in the end (delta: 1.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-22 02:38:42,723 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.43ms. Allocated memory is still 56.6MB. Free memory was 32.3MB in the beginning and 29.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 02:38:42,723 INFO L158 Benchmark]: Boogie Preprocessor took 52.61ms. Allocated memory is still 56.6MB. Free memory was 29.6MB in the beginning and 27.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 02:38:42,723 INFO L158 Benchmark]: RCFGBuilder took 402.90ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 27.7MB in the beginning and 37.9MB in the end (delta: -10.1MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2022-07-22 02:38:42,724 INFO L158 Benchmark]: BuchiAutomizer took 3870.65ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 37.9MB in the beginning and 61.0MB in the end (delta: -23.1MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2022-07-22 02:38:42,724 INFO L158 Benchmark]: Witness Printer took 40.64ms. Allocated memory is still 86.0MB. Free memory was 61.0MB in the beginning and 58.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 02:38:42,727 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 56.6MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 38.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 473.12ms. Allocated memory is still 56.6MB. Free memory was 34.2MB in the beginning and 32.3MB in the end (delta: 1.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.43ms. Allocated memory is still 56.6MB. Free memory was 32.3MB in the beginning and 29.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.61ms. Allocated memory is still 56.6MB. Free memory was 29.6MB in the beginning and 27.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 402.90ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 27.7MB in the beginning and 37.9MB in the end (delta: -10.1MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 3870.65ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 37.9MB in the beginning and 61.0MB in the end (delta: -23.1MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. * Witness Printer took 40.64ms. Allocated memory is still 86.0MB. Free memory was 61.0MB in the beginning and 58.9MB 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 6 locations. The remainder module has 145 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.4s. 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 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 88 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, 478 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 478 mSDsluCounter, 798 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 671 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 127 mSDtfsCounter, 42 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown 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 InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 706]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2be9ee24=0, NULL=0, head=0, tmp___0=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ef67bb9=0, NULL=1, tmp___0=0, methaneLevelCritical=0, retValue_acc=1, tmp=1, \result=1, retValue_acc=0, tmp___2=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@477be23d=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@322b3ac=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28798321=0, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@443dd687=0, \result=0, tmp=0, head=0, \result=1, tmp___1=0, NULL=0, retValue_acc=1, waterLevel=1, systemActive=1, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29dbd369=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@69c89da6=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 706]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L423] int waterLevel = 1; [L424] int methaneLevelCritical = 0; [L518] int pumpRunning = 0; [L519] int systemActive = 1; [L763] int cleanupTimeShifts = 4; [L839] int retValue_acc ; [L840] int tmp ; [L844] FCALL select_helpers() [L845] FCALL select_features() [L846] CALL, EXPR valid_product() [L888] int retValue_acc ; [L891] retValue_acc = 1 [L892] return (retValue_acc); [L846] RET, EXPR valid_product() [L846] tmp = valid_product() [L848] COND TRUE \read(tmp) [L850] FCALL setup() [L851] CALL runTest() [L830] CALL test() [L697] int splverifierCounter ; [L698] int tmp ; [L699] int tmp___0 ; [L700] int tmp___1 ; [L701] int tmp___2 ; [L704] splverifierCounter = 0 Loop: [L706] COND TRUE 1 [L708] COND TRUE splverifierCounter < 4 [L714] tmp = __VERIFIER_nondet_int() [L716] COND FALSE !(\read(tmp)) [L724] tmp___0 = __VERIFIER_nondet_int() [L726] COND FALSE !(\read(tmp___0)) [L734] tmp___2 = __VERIFIER_nondet_int() [L736] COND TRUE \read(tmp___2) [L751] CALL timeShift() [L526] COND FALSE !(\read(pumpRunning)) [L533] COND TRUE \read(systemActive) [L535] CALL processEnvironment() [L555] int tmp ; [L558] COND FALSE !(\read(pumpRunning)) [L573] FCALL processEnvironment__wrappee__base() [L535] RET processEnvironment() [L541] CALL __utac_acc__Specification4_spec__1() [L898] int tmp ; [L899] int tmp___0 ; [L903] CALL, EXPR getWaterLevel() [L494] int retValue_acc ; [L497] retValue_acc = waterLevel [L498] return (retValue_acc); [L903] RET, EXPR getWaterLevel() [L903] tmp = getWaterLevel() [L905] COND FALSE !(tmp == 0) [L541] RET __utac_acc__Specification4_spec__1() [L751] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-22 02:38:42,765 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)