./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 94c250c59ca6a4ad79cab3b64e0d4d94a65a3d8e8b11f1d4a1323613891ef929 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:17:31,954 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:17:31,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:17:31,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:17:31,982 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:17:31,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:17:31,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:17:31,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:17:31,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:17:31,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:17:31,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:17:31,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:17:31,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:17:32,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:17:32,004 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:17:32,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:17:32,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:17:32,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:17:32,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:17:32,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:17:32,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:17:32,019 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:17:32,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:17:32,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:17:32,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:17:32,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:17:32,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:17:32,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:17:32,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:17:32,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:17:32,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:17:32,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:17:32,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:17:32,029 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:17:32,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:17:32,031 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:17:32,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:17:32,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:17:32,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:17:32,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:17:32,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:17:32,034 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-15 17:17:32,059 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:17:32,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:17:32,060 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:17:32,060 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:17:32,062 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:17:32,062 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:17:32,063 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:17:32,063 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:17:32,063 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:17:32,063 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:17:32,064 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:17:32,064 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:17:32,064 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:17:32,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:17:32,065 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 17:17:32,065 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:17:32,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:17:32,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 17:17:32,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:17:32,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:17:32,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:17:32,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:17:32,066 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 17:17:32,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:17:32,066 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:17:32,066 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:17:32,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:17:32,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:17:32,067 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:17:32,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:17:32,067 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:17:32,067 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:17:32,068 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:17:32,068 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94c250c59ca6a4ad79cab3b64e0d4d94a65a3d8e8b11f1d4a1323613891ef929 [2021-12-15 17:17:32,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:17:32,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:17:32,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:17:32,311 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:17:32,312 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:17:32,313 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c [2021-12-15 17:17:32,360 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57b144c5a/d1035fde99e446808983d5780ea45ca9/FLAG06d6d61a6 [2021-12-15 17:17:32,818 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:17:32,821 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c [2021-12-15 17:17:32,834 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57b144c5a/d1035fde99e446808983d5780ea45ca9/FLAG06d6d61a6 [2021-12-15 17:17:32,850 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57b144c5a/d1035fde99e446808983d5780ea45ca9 [2021-12-15 17:17:32,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:17:32,856 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:17:32,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:17:32,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:17:32,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:17:32,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:17:32" (1/1) ... [2021-12-15 17:17:32,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35cb1421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:17:32, skipping insertion in model container [2021-12-15 17:17:32,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:17:32" (1/1) ... [2021-12-15 17:17:32,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:17:32,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:17:33,073 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c[4542,4555] [2021-12-15 17:17:33,171 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:17:33,184 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:17:33,227 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c[4542,4555] [2021-12-15 17:17:33,269 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:17:33,295 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:17:33,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:17:33 WrapperNode [2021-12-15 17:17:33,295 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:17:33,296 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:17:33,296 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:17:33,296 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:17:33,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:17:33" (1/1) ... [2021-12-15 17:17:33,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:17:33" (1/1) ... [2021-12-15 17:17:33,354 INFO L137 Inliner]: procedures = 52, calls = 149, calls flagged for inlining = 46, calls inlined = 35, statements flattened = 288 [2021-12-15 17:17:33,355 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:17:33,355 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:17:33,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:17:33,355 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:17:33,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:17:33" (1/1) ... [2021-12-15 17:17:33,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:17:33" (1/1) ... [2021-12-15 17:17:33,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:17:33" (1/1) ... [2021-12-15 17:17:33,363 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:17:33" (1/1) ... [2021-12-15 17:17:33,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:17:33" (1/1) ... [2021-12-15 17:17:33,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:17:33" (1/1) ... [2021-12-15 17:17:33,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:17:33" (1/1) ... [2021-12-15 17:17:33,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:17:33,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:17:33,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:17:33,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:17:33,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:17:33" (1/1) ... [2021-12-15 17:17:33,421 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:17:33,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:17:33,440 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) [2021-12-15 17:17:33,443 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 [2021-12-15 17:17:33,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 17:17:33,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 17:17:33,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:17:33,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:17:33,540 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:17:33,542 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:17:33,703 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:17:33,708 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:17:33,708 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 17:17:33,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:17:33 BoogieIcfgContainer [2021-12-15 17:17:33,709 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:17:33,711 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:17:33,712 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:17:33,722 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:17:33,723 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:17:33,723 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:17:32" (1/3) ... [2021-12-15 17:17:33,724 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@440abb8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:17:33, skipping insertion in model container [2021-12-15 17:17:33,724 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:17:33,724 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:17:33" (2/3) ... [2021-12-15 17:17:33,730 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@440abb8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:17:33, skipping insertion in model container [2021-12-15 17:17:33,730 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:17:33,731 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:17:33" (3/3) ... [2021-12-15 17:17:33,732 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product12.cil.c [2021-12-15 17:17:33,774 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:17:33,774 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:17:33,775 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:17:33,775 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:17:33,775 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:17:33,775 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:17:33,775 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:17:33,775 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:17:33,786 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) [2021-12-15 17:17:33,800 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2021-12-15 17:17:33,801 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:17:33,801 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:17:33,805 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:17:33,805 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:17:33,805 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:17:33,806 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) [2021-12-15 17:17:33,809 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2021-12-15 17:17:33,809 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:17:33,810 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:17:33,810 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:17:33,810 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:17:33,814 INFO L791 eck$LassoCheckResult]: Stem: 61#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 45#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 26#L396true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 16#L389true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 54#L404true main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 39#L883true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 46#L860true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 47#L66-2true [2021-12-15 17:17:33,814 INFO L793 eck$LassoCheckResult]: Loop: 47#L66-2true assume !false; 59#L67true assume test_~splverifierCounter~0#1 < 4; 67#L68true test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 78#L76true assume !(0 != test_~tmp~0#1); 64#L76-2true test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 5#L86true assume !(0 != test_~tmp___0~0#1); 76#L86-2true test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 49#L96true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 70#L277true assume { :end_inline_startSystem } true; 75#L104-2true assume { :begin_inline_timeShift } true; 66#L140true assume !(0 != ~pumpRunning~0); 62#L140-2true assume !(0 != ~systemActive~0); 71#L147-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_~tmp~2#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~2#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 38#L334true __utac_acc__Specification1_spec__1_#t~ret24#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~2#1 := __utac_acc__Specification1_spec__1_#t~ret24#1;havoc __utac_acc__Specification1_spec__1_#t~ret24#1; 44#L417true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2#1); 58#L417-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 10#L157true assume { :end_inline_timeShift } true; 47#L66-2true [2021-12-15 17:17:33,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:17:33,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2021-12-15 17:17:33,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:17:33,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498749682] [2021-12-15 17:17:33,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:17:33,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:17:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:17:33,918 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:17:33,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:17:33,976 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:17:33,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:17:33,978 INFO L85 PathProgramCache]: Analyzing trace with hash -516589951, now seen corresponding path program 1 times [2021-12-15 17:17:33,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:17:33,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956829675] [2021-12-15 17:17:33,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:17:33,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:17:33,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:17:34,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:17:34,021 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:17:34,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956829675] [2021-12-15 17:17:34,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956829675] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:17:34,022 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:17:34,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 17:17:34,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602876985] [2021-12-15 17:17:34,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:17:34,025 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-15 17:17:34,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:17:34,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 17:17:34,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 17:17:34,062 INFO L87 Difference]: Start difference. First operand has 80 states, 79 states have (on average 1.3670886075949367) internal successors, (108), 79 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:17:34,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:17:34,126 INFO L93 Difference]: Finished difference Result 145 states and 183 transitions. [2021-12-15 17:17:34,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 17:17:34,132 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 145 states and 183 transitions. [2021-12-15 17:17:34,140 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 92 [2021-12-15 17:17:34,157 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 145 states to 125 states and 162 transitions. [2021-12-15 17:17:34,158 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 125 [2021-12-15 17:17:34,158 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 125 [2021-12-15 17:17:34,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 125 states and 162 transitions. [2021-12-15 17:17:34,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:17:34,160 INFO L681 BuchiCegarLoop]: Abstraction has 125 states and 162 transitions. [2021-12-15 17:17:34,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states and 162 transitions. [2021-12-15 17:17:34,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 122. [2021-12-15 17:17:34,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 122 states have (on average 1.2950819672131149) internal successors, (158), 121 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:17:34,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 158 transitions. [2021-12-15 17:17:34,185 INFO L704 BuchiCegarLoop]: Abstraction has 122 states and 158 transitions. [2021-12-15 17:17:34,185 INFO L587 BuchiCegarLoop]: Abstraction has 122 states and 158 transitions. [2021-12-15 17:17:34,185 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-15 17:17:34,185 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 122 states and 158 transitions. [2021-12-15 17:17:34,187 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 89 [2021-12-15 17:17:34,187 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:17:34,187 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:17:34,187 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:17:34,187 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:17:34,187 INFO L791 eck$LassoCheckResult]: Stem: 297#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 288#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 268#L396 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 253#L389 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 254#L404 main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 282#L883 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 283#L860 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 249#L66-2 [2021-12-15 17:17:34,188 INFO L793 eck$LassoCheckResult]: Loop: 249#L66-2 assume !false; 289#L67 assume test_~splverifierCounter~0#1 < 4; 296#L68 test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 300#L76 assume !(0 != test_~tmp~0#1); 298#L76-2 test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 236#L86 assume !(0 != test_~tmp___0~0#1); 238#L86-2 test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 290#L96 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 291#L277 assume { :end_inline_startSystem } true; 263#L104-2 assume { :begin_inline_timeShift } true; 299#L140 assume !(0 != ~pumpRunning~0); 284#L140-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 260#L164 assume { :end_inline_processEnvironment } true; 261#L147-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_~tmp~2#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~2#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 280#L334 __utac_acc__Specification1_spec__1_#t~ret24#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~2#1 := __utac_acc__Specification1_spec__1_#t~ret24#1;havoc __utac_acc__Specification1_spec__1_#t~ret24#1; 281#L417 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2#1); 275#L417-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 248#L157 assume { :end_inline_timeShift } true; 249#L66-2 [2021-12-15 17:17:34,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:17:34,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2021-12-15 17:17:34,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:17:34,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205202052] [2021-12-15 17:17:34,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:17:34,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:17:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:17:34,205 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:17:34,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:17:34,225 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:17:34,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:17:34,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1793660369, now seen corresponding path program 1 times [2021-12-15 17:17:34,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:17:34,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603932968] [2021-12-15 17:17:34,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:17:34,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:17:34,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:17:34,237 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:17:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:17:34,247 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:17:34,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:17:34,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1318665579, now seen corresponding path program 1 times [2021-12-15 17:17:34,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:17:34,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725025203] [2021-12-15 17:17:34,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:17:34,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:17:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:17:34,268 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:17:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:17:34,300 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:17:34,427 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:548) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLoopTermination(LassoCheck.java:944) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:855) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:252) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:457) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:397) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 17:17:34,430 INFO L158 Benchmark]: Toolchain (without parser) took 1573.21ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 51.1MB in the beginning and 56.9MB in the end (delta: -5.9MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2021-12-15 17:17:34,431 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 67.1MB. Free memory was 41.8MB in the beginning and 41.7MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:17:34,431 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.25ms. Allocated memory is still 81.8MB. Free memory was 50.8MB in the beginning and 57.5MB in the end (delta: -6.7MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2021-12-15 17:17:34,431 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.52ms. Allocated memory is still 81.8MB. Free memory was 57.2MB in the beginning and 54.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 17:17:34,432 INFO L158 Benchmark]: Boogie Preprocessor took 59.32ms. Allocated memory is still 81.8MB. Free memory was 54.8MB in the beginning and 53.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:17:34,432 INFO L158 Benchmark]: RCFGBuilder took 294.44ms. Allocated memory is still 81.8MB. Free memory was 53.3MB in the beginning and 38.9MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 17:17:34,433 INFO L158 Benchmark]: BuchiAutomizer took 717.55ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 38.7MB in the beginning and 56.9MB in the end (delta: -18.3MB). Peak memory consumption was 1.0MB. Max. memory is 16.1GB. [2021-12-15 17:17:34,435 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 67.1MB. Free memory was 41.8MB in the beginning and 41.7MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 436.25ms. Allocated memory is still 81.8MB. Free memory was 50.8MB in the beginning and 57.5MB in the end (delta: -6.7MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.52ms. Allocated memory is still 81.8MB. Free memory was 57.2MB in the beginning and 54.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.32ms. Allocated memory is still 81.8MB. Free memory was 54.8MB in the beginning and 53.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 294.44ms. Allocated memory is still 81.8MB. Free memory was 53.3MB in the beginning and 38.9MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 717.55ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 38.7MB in the beginning and 56.9MB in the end (delta: -18.3MB). Peak memory consumption was 1.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 17:17:34,460 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 Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable