./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c3fed411 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_product04.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 67e8a37948bd5f43a3fb7848f413432f70349c69c24953f933a261c7c5558ab6 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 09:58:47,281 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 09:58:47,282 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 09:58:47,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 09:58:47,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 09:58:47,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 09:58:47,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 09:58:47,345 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 09:58:47,347 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 09:58:47,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 09:58:47,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 09:58:47,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 09:58:47,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 09:58:47,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 09:58:47,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 09:58:47,357 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 09:58:47,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 09:58:47,359 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 09:58:47,362 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 09:58:47,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 09:58:47,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 09:58:47,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 09:58:47,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 09:58:47,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 09:58:47,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 09:58:47,375 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 09:58:47,375 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 09:58:47,376 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 09:58:47,376 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 09:58:47,376 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 09:58:47,377 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 09:58:47,377 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 09:58:47,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 09:58:47,378 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 09:58:47,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 09:58:47,378 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 09:58:47,379 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 09:58:47,379 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 09:58:47,379 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 09:58:47,380 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 09:58:47,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 09:58:47,381 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-16 09:58:47,407 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 09:58:47,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 09:58:47,408 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 09:58:47,408 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 09:58:47,409 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 09:58:47,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 09:58:47,409 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 09:58:47,409 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-16 09:58:47,409 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-16 09:58:47,410 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-16 09:58:47,410 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-16 09:58:47,410 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-16 09:58:47,411 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-16 09:58:47,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 09:58:47,411 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 09:58:47,411 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-16 09:58:47,411 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 09:58:47,411 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 09:58:47,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 09:58:47,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-16 09:58:47,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-16 09:58:47,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-16 09:58:47,412 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 09:58:47,412 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 09:58:47,412 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-16 09:58:47,412 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 09:58:47,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-16 09:58:47,413 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 09:58:47,413 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 09:58:47,413 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 09:58:47,413 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 09:58:47,414 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 09:58:47,415 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-16 09:58:47,415 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67e8a37948bd5f43a3fb7848f413432f70349c69c24953f933a261c7c5558ab6 [2021-12-16 09:58:47,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 09:58:47,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 09:58:47,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 09:58:47,631 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 09:58:47,631 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 09:58:47,632 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2021-12-16 09:58:47,685 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24113f449/0500d0d1291644ca8692ca29ede62f92/FLAG91394f081 [2021-12-16 09:58:47,996 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 09:58:47,996 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2021-12-16 09:58:48,005 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24113f449/0500d0d1291644ca8692ca29ede62f92/FLAG91394f081 [2021-12-16 09:58:48,401 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24113f449/0500d0d1291644ca8692ca29ede62f92 [2021-12-16 09:58:48,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 09:58:48,404 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 09:58:48,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 09:58:48,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 09:58:48,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 09:58:48,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 09:58:48" (1/1) ... [2021-12-16 09:58:48,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47d249a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:58:48, skipping insertion in model container [2021-12-16 09:58:48,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 09:58:48" (1/1) ... [2021-12-16 09:58:48,413 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 09:58:48,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 09:58:48,546 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_product04.cil.c[1605,1618] [2021-12-16 09:58:48,608 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 09:58:48,615 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 09:58:48,624 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_product04.cil.c[1605,1618] [2021-12-16 09:58:48,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 09:58:48,668 INFO L208 MainTranslator]: Completed translation [2021-12-16 09:58:48,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:58:48 WrapperNode [2021-12-16 09:58:48,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 09:58:48,669 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 09:58:48,670 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 09:58:48,670 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 09:58:48,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:58:48" (1/1) ... [2021-12-16 09:58:48,692 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:58:48" (1/1) ... [2021-12-16 09:58:48,723 INFO L137 Inliner]: procedures = 51, calls = 147, calls flagged for inlining = 44, calls inlined = 35, statements flattened = 288 [2021-12-16 09:58:48,726 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 09:58:48,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 09:58:48,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 09:58:48,727 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 09:58:48,732 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:58:48" (1/1) ... [2021-12-16 09:58:48,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:58:48" (1/1) ... [2021-12-16 09:58:48,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:58:48" (1/1) ... [2021-12-16 09:58:48,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:58:48" (1/1) ... [2021-12-16 09:58:48,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:58:48" (1/1) ... [2021-12-16 09:58:48,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:58:48" (1/1) ... [2021-12-16 09:58:48,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:58:48" (1/1) ... [2021-12-16 09:58:48,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 09:58:48,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 09:58:48,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 09:58:48,769 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 09:58:48,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:58:48" (1/1) ... [2021-12-16 09:58:48,775 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:58:48,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:58:48,797 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:58:48,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-16 09:58:48,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 09:58:48,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 09:58:48,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 09:58:48,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 09:58:48,876 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 09:58:48,877 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 09:58:49,060 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 09:58:49,066 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 09:58:49,066 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-16 09:58:49,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:58:49 BoogieIcfgContainer [2021-12-16 09:58:49,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 09:58:49,068 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-16 09:58:49,068 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-16 09:58:49,071 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-16 09:58:49,071 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 09:58:49,071 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.12 09:58:48" (1/3) ... [2021-12-16 09:58:49,074 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64250d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.12 09:58:49, skipping insertion in model container [2021-12-16 09:58:49,075 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 09:58:49,075 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:58:48" (2/3) ... [2021-12-16 09:58:49,075 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64250d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.12 09:58:49, skipping insertion in model container [2021-12-16 09:58:49,075 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 09:58:49,075 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:58:49" (3/3) ... [2021-12-16 09:58:49,080 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product04.cil.c [2021-12-16 09:58:49,121 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-16 09:58:49,121 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-16 09:58:49,121 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-16 09:58:49,121 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-16 09:58:49,121 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-16 09:58:49,122 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-16 09:58:49,122 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-16 09:58:49,122 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-16 09:58:49,136 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) [2021-12-16 09:58:49,156 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2021-12-16 09:58:49,157 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:58:49,157 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:58:49,161 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:58:49,161 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:58:49,162 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-16 09:58:49,163 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) [2021-12-16 09:58:49,171 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2021-12-16 09:58:49,171 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:58:49,171 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:58:49,172 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:58:49,172 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:58:49,177 INFO L791 eck$LassoCheckResult]: Stem: 66#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(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 48#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~5#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 44#L744true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 34#L737true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 7#L752true main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 42#L865true assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 61#L842true 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; 59#L75-2true [2021-12-16 09:58:49,181 INFO L793 eck$LassoCheckResult]: Loop: 59#L75-2true assume !false; 78#L76true assume test_~splverifierCounter~0#1 < 4; 11#L77true test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 43#L85true assume !(0 != test_~tmp~0#1); 6#L85-2true test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 28#L95true assume !(0 != test_~tmp___0~0#1); 41#L95-2true test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 22#L105true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 51#L113true assume !(0 != test_~tmp___1~0#1); 56#L113-2true assume { :begin_inline_timeShift } true; 33#L149true assume !(0 != ~pumpRunning~0); 64#L149-2true assume !(0 != ~systemActive~0); 40#L156-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret46#1, __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~4#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 8#L682true __utac_acc__Specification1_spec__1_#t~ret46#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4#1 := __utac_acc__Specification1_spec__1_#t~ret46#1;havoc __utac_acc__Specification1_spec__1_#t~ret46#1; 27#L765true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4#1); 16#L765-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 32#L166true assume { :end_inline_timeShift } true; 59#L75-2true [2021-12-16 09:58:49,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:58:49,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2021-12-16 09:58:49,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:58:49,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647756181] [2021-12-16 09:58:49,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:58:49,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:58:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:58:49,285 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:58:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:58:49,350 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:58:49,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:58:49,353 INFO L85 PathProgramCache]: Analyzing trace with hash 522914063, now seen corresponding path program 1 times [2021-12-16 09:58:49,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:58:49,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356858422] [2021-12-16 09:58:49,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:58:49,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:58:49,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:58:49,377 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:58:49,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:58:49,388 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:58:49,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:58:49,392 INFO L85 PathProgramCache]: Analyzing trace with hash -408767541, now seen corresponding path program 1 times [2021-12-16 09:58:49,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:58:49,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897977772] [2021-12-16 09:58:49,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:58:49,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:58:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:58:49,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:58:49,515 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:58:49,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897977772] [2021-12-16 09:58:49,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897977772] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:58:49,516 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:58:49,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 09:58:49,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162630257] [2021-12-16 09:58:49,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:58:49,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 09:58:49,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 09:58:49,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-16 09:58:49,666 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 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:58:49,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 09:58:49,779 INFO L93 Difference]: Finished difference Result 279 states and 350 transitions. [2021-12-16 09:58:49,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 09:58:49,784 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 279 states and 350 transitions. [2021-12-16 09:58:49,794 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 178 [2021-12-16 09:58:49,803 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 279 states to 239 states and 310 transitions. [2021-12-16 09:58:49,803 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 239 [2021-12-16 09:58:49,804 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 239 [2021-12-16 09:58:49,805 INFO L73 IsDeterministic]: Start isDeterministic. Operand 239 states and 310 transitions. [2021-12-16 09:58:49,806 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 09:58:49,806 INFO L681 BuchiCegarLoop]: Abstraction has 239 states and 310 transitions. [2021-12-16 09:58:49,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states and 310 transitions. [2021-12-16 09:58:49,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 119. [2021-12-16 09:58:49,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 119 states have (on average 1.3025210084033614) internal successors, (155), 118 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:58:49,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 155 transitions. [2021-12-16 09:58:49,839 INFO L704 BuchiCegarLoop]: Abstraction has 119 states and 155 transitions. [2021-12-16 09:58:49,839 INFO L587 BuchiCegarLoop]: Abstraction has 119 states and 155 transitions. [2021-12-16 09:58:49,839 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-16 09:58:49,839 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 119 states and 155 transitions. [2021-12-16 09:58:49,840 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 87 [2021-12-16 09:58:49,840 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:58:49,840 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:58:49,840 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:58:49,841 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:58:49,841 INFO L791 eck$LassoCheckResult]: Stem: 440#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(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 431#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~5#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 428#L744 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 420#L737 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 382#L752 main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 383#L865 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 426#L842 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; 416#L75-2 [2021-12-16 09:58:49,841 INFO L793 eck$LassoCheckResult]: Loop: 416#L75-2 assume !false; 438#L76 assume test_~splverifierCounter~0#1 < 4; 390#L77 test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 391#L85 assume !(0 != test_~tmp~0#1); 380#L85-2 test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 381#L95 assume !(0 != test_~tmp___0~0#1); 413#L95-2 test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 401#L105 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 402#L113 assume !(0 != test_~tmp___1~0#1); 414#L113-2 assume { :begin_inline_timeShift } true; 417#L149 assume !(0 != ~pumpRunning~0); 418#L149-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 439#L173 assume { :end_inline_processEnvironment } true; 425#L156-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret46#1, __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~4#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 384#L682 __utac_acc__Specification1_spec__1_#t~ret46#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4#1 := __utac_acc__Specification1_spec__1_#t~ret46#1;havoc __utac_acc__Specification1_spec__1_#t~ret46#1; 385#L765 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4#1); 396#L765-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 397#L166 assume { :end_inline_timeShift } true; 416#L75-2 [2021-12-16 09:58:49,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:58:49,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2021-12-16 09:58:49,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:58:49,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880250775] [2021-12-16 09:58:49,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:58:49,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:58:49,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:58:49,884 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:58:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:58:49,895 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:58:49,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:58:49,896 INFO L85 PathProgramCache]: Analyzing trace with hash -341453565, now seen corresponding path program 1 times [2021-12-16 09:58:49,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:58:49,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592717063] [2021-12-16 09:58:49,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:58:49,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:58:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:58:49,900 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:58:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:58:49,903 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:58:49,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:58:49,904 INFO L85 PathProgramCache]: Analyzing trace with hash 841187783, now seen corresponding path program 1 times [2021-12-16 09:58:49,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:58:49,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273293086] [2021-12-16 09:58:49,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:58:49,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:58:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:58:49,914 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:58:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:58:49,927 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:58:52,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.12 09:58:52 BoogieIcfgContainer [2021-12-16 09:58:52,144 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-16 09:58:52,144 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 09:58:52,144 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 09:58:52,145 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 09:58:52,145 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:58:49" (3/4) ... [2021-12-16 09:58:52,146 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-12-16 09:58:52,217 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-16 09:58:52,217 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 09:58:52,218 INFO L158 Benchmark]: Toolchain (without parser) took 3813.82ms. Allocated memory was 90.2MB in the beginning and 134.2MB in the end (delta: 44.0MB). Free memory was 58.2MB in the beginning and 100.0MB in the end (delta: -41.8MB). Peak memory consumption was 685.1kB. Max. memory is 16.1GB. [2021-12-16 09:58:52,218 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 90.2MB. Free memory was 47.2MB in the beginning and 47.2MB in the end (delta: 38.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 09:58:52,219 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.78ms. Allocated memory is still 90.2MB. Free memory was 58.0MB in the beginning and 59.5MB in the end (delta: -1.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-16 09:58:52,219 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.38ms. Allocated memory is still 90.2MB. Free memory was 59.5MB in the beginning and 57.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-16 09:58:52,220 INFO L158 Benchmark]: Boogie Preprocessor took 40.79ms. Allocated memory is still 90.2MB. Free memory was 57.0MB in the beginning and 55.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 09:58:52,220 INFO L158 Benchmark]: RCFGBuilder took 300.10ms. Allocated memory is still 90.2MB. Free memory was 55.4MB in the beginning and 40.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-16 09:58:52,220 INFO L158 Benchmark]: BuchiAutomizer took 3075.60ms. Allocated memory was 90.2MB in the beginning and 134.2MB in the end (delta: 44.0MB). Free memory was 40.7MB in the beginning and 102.1MB in the end (delta: -61.4MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2021-12-16 09:58:52,220 INFO L158 Benchmark]: Witness Printer took 73.06ms. Allocated memory is still 134.2MB. Free memory was 102.1MB in the beginning and 100.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 09:58:52,222 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 90.2MB. Free memory was 47.2MB in the beginning and 47.2MB in the end (delta: 38.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.78ms. Allocated memory is still 90.2MB. Free memory was 58.0MB in the beginning and 59.5MB in the end (delta: -1.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.38ms. Allocated memory is still 90.2MB. Free memory was 59.5MB in the beginning and 57.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.79ms. Allocated memory is still 90.2MB. Free memory was 57.0MB in the beginning and 55.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 300.10ms. Allocated memory is still 90.2MB. Free memory was 55.4MB in the beginning and 40.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 3075.60ms. Allocated memory was 90.2MB in the beginning and 134.2MB in the end (delta: 44.0MB). Free memory was 40.7MB in the beginning and 102.1MB in the end (delta: -61.4MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. * Witness Printer took 73.06ms. Allocated memory is still 134.2MB. Free memory was 102.1MB in the beginning and 100.0MB 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 119 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 120 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 119 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 416 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 416 mSDsluCounter, 798 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 706 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 92 mSDtfsCounter, 52 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 - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 75]: 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, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a117ee=0, head=0, pumpRunning=0, retValue_acc=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@12a3d871=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45d46436=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56d2739=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2eb11c96=0, methaneLevelCritical=0, \result=0, retValue_acc=1, \result=1, retValue_acc=0, tmp___2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@43f6096b=0, tmp=0, cleanupTimeShifts=4, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@473083e3=0, \result=0, head=0, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 75]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L141] int pumpRunning = 0; [L142] int systemActive = 1; [L441] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L639] int waterLevel = 1; [L640] int methaneLevelCritical = 0; [L783] int cleanupTimeShifts = 4; [L856] int retValue_acc ; [L857] int tmp ; [L861] FCALL select_helpers() [L862] FCALL select_features() [L863] CALL, EXPR valid_product() [L748] int retValue_acc ; [L751] retValue_acc = 1 [L752] return (retValue_acc); [L863] RET, EXPR valid_product() [L863] tmp = valid_product() [L865] COND TRUE \read(tmp) [L867] FCALL setup() [L868] CALL runTest() [L850] CALL test() [L66] int splverifierCounter ; [L67] int tmp ; [L68] int tmp___0 ; [L69] int tmp___1 ; [L70] int tmp___2 ; [L73] splverifierCounter = 0 Loop: [L75] COND TRUE 1 [L77] COND TRUE splverifierCounter < 4 [L83] tmp = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp)) [L93] tmp___0 = __VERIFIER_nondet_int() [L95] COND FALSE !(\read(tmp___0)) [L103] tmp___2 = __VERIFIER_nondet_int() [L105] COND FALSE !(\read(tmp___2)) [L111] tmp___1 = __VERIFIER_nondet_int() [L113] COND FALSE !(\read(tmp___1)) [L122] CALL timeShift() [L149] COND FALSE !(\read(pumpRunning)) [L156] COND TRUE \read(systemActive) [L158] FCALL processEnvironment() [L164] CALL __utac_acc__Specification1_spec__1() [L758] int tmp ; [L759] int tmp___0 ; [L763] CALL, EXPR isMethaneLevelCritical() [L678] int retValue_acc ; [L681] retValue_acc = methaneLevelCritical [L682] return (retValue_acc); [L763] RET, EXPR isMethaneLevelCritical() [L763] tmp = isMethaneLevelCritical() [L765] COND FALSE !(\read(tmp)) [L164] RET __utac_acc__Specification1_spec__1() [L122] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-12-16 09:58:52,255 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with 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)