./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product21.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_spec2_product21.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 88ff815406ee05bb7be24dfe33a6433686b8428d0ee44eba6801f1c0f5610c0a --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-19 19:10:02,852 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-19 19:10:02,882 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-19 19:10:02,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-19 19:10:02,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-19 19:10:02,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-19 19:10:02,911 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-19 19:10:02,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-19 19:10:02,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-19 19:10:02,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-19 19:10:02,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-19 19:10:02,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-19 19:10:02,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-19 19:10:02,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-19 19:10:02,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-19 19:10:02,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-19 19:10:02,926 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-19 19:10:02,927 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-19 19:10:02,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-19 19:10:02,929 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-19 19:10:02,930 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-19 19:10:02,931 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-19 19:10:02,936 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-19 19:10:02,936 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-19 19:10:02,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-19 19:10:02,938 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-19 19:10:02,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-19 19:10:02,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-19 19:10:02,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-19 19:10:02,943 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-19 19:10:02,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-19 19:10:02,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-19 19:10:02,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-19 19:10:02,944 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-19 19:10:02,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-19 19:10:02,946 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-19 19:10:02,946 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-19 19:10:02,947 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-19 19:10:02,947 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-19 19:10:02,948 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-19 19:10:02,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-19 19:10:02,949 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-19 19:10:02,967 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-19 19:10:02,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-19 19:10:02,968 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-19 19:10:02,968 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-19 19:10:02,969 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-19 19:10:02,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-19 19:10:02,970 INFO L138 SettingsManager]: * Use SBE=true [2021-12-19 19:10:02,970 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-19 19:10:02,970 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-19 19:10:02,970 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-19 19:10:02,971 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-19 19:10:02,971 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-19 19:10:02,971 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-19 19:10:02,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-19 19:10:02,971 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-19 19:10:02,971 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-19 19:10:02,972 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-19 19:10:02,972 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-19 19:10:02,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-19 19:10:02,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-19 19:10:02,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-19 19:10:02,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-19 19:10:02,972 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-19 19:10:02,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-19 19:10:02,973 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-19 19:10:02,973 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-19 19:10:02,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-19 19:10:02,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-19 19:10:02,973 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-19 19:10:02,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-19 19:10:02,974 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-19 19:10:02,974 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-19 19:10:02,975 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-19 19:10:02,975 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88ff815406ee05bb7be24dfe33a6433686b8428d0ee44eba6801f1c0f5610c0a [2021-12-19 19:10:03,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-19 19:10:03,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-19 19:10:03,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-19 19:10:03,197 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-19 19:10:03,198 INFO L275 PluginConnector]: CDTParser initialized [2021-12-19 19:10:03,199 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2021-12-19 19:10:03,235 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6927081a/060d8284b9124982a9f23e350b53fe7a/FLAGfd7b26be1 [2021-12-19 19:10:03,634 INFO L306 CDTParser]: Found 1 translation units. [2021-12-19 19:10:03,636 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2021-12-19 19:10:03,645 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6927081a/060d8284b9124982a9f23e350b53fe7a/FLAGfd7b26be1 [2021-12-19 19:10:03,655 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6927081a/060d8284b9124982a9f23e350b53fe7a [2021-12-19 19:10:03,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-19 19:10:03,658 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-19 19:10:03,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-19 19:10:03,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-19 19:10:03,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-19 19:10:03,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 07:10:03" (1/1) ... [2021-12-19 19:10:03,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae6bb35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:10:03, skipping insertion in model container [2021-12-19 19:10:03,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 07:10:03" (1/1) ... [2021-12-19 19:10:03,667 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-19 19:10:03,697 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-19 19:10:03,968 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_spec2_product21.cil.c[14660,14673] [2021-12-19 19:10:03,989 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 19:10:03,997 INFO L203 MainTranslator]: Completed pre-run [2021-12-19 19:10:04,056 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_spec2_product21.cil.c[14660,14673] [2021-12-19 19:10:04,064 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 19:10:04,079 INFO L208 MainTranslator]: Completed translation [2021-12-19 19:10:04,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:10:04 WrapperNode [2021-12-19 19:10:04,080 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-19 19:10:04,080 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-19 19:10:04,080 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-19 19:10:04,081 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-19 19:10:04,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:10:04" (1/1) ... [2021-12-19 19:10:04,107 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:10:04" (1/1) ... [2021-12-19 19:10:04,144 INFO L137 Inliner]: procedures = 54, calls = 154, calls flagged for inlining = 51, calls inlined = 78, statements flattened = 573 [2021-12-19 19:10:04,149 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-19 19:10:04,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-19 19:10:04,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-19 19:10:04,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-19 19:10:04,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:10:04" (1/1) ... [2021-12-19 19:10:04,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:10:04" (1/1) ... [2021-12-19 19:10:04,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:10:04" (1/1) ... [2021-12-19 19:10:04,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:10:04" (1/1) ... [2021-12-19 19:10:04,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:10:04" (1/1) ... [2021-12-19 19:10:04,178 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:10:04" (1/1) ... [2021-12-19 19:10:04,187 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:10:04" (1/1) ... [2021-12-19 19:10:04,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-19 19:10:04,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-19 19:10:04,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-19 19:10:04,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-19 19:10:04,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:10:04" (1/1) ... [2021-12-19 19:10:04,200 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:10:04,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:10:04,216 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) [2021-12-19 19:10:04,232 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 [2021-12-19 19:10:04,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-19 19:10:04,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-19 19:10:04,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-19 19:10:04,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-19 19:10:04,296 INFO L236 CfgBuilder]: Building ICFG [2021-12-19 19:10:04,297 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-19 19:10:04,516 INFO L277 CfgBuilder]: Performing block encoding [2021-12-19 19:10:04,521 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-19 19:10:04,522 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-19 19:10:04,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 07:10:04 BoogieIcfgContainer [2021-12-19 19:10:04,523 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-19 19:10:04,524 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-19 19:10:04,524 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-19 19:10:04,526 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-19 19:10:04,526 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 19:10:04,527 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.12 07:10:03" (1/3) ... [2021-12-19 19:10:04,527 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f4193e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 07:10:04, skipping insertion in model container [2021-12-19 19:10:04,527 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 19:10:04,527 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:10:04" (2/3) ... [2021-12-19 19:10:04,528 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f4193e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 07:10:04, skipping insertion in model container [2021-12-19 19:10:04,528 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 19:10:04,528 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 07:10:04" (3/3) ... [2021-12-19 19:10:04,529 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product21.cil.c [2021-12-19 19:10:04,554 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-19 19:10:04,554 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-19 19:10:04,554 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-19 19:10:04,554 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-19 19:10:04,555 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-19 19:10:04,555 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-19 19:10:04,555 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-19 19:10:04,555 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-19 19:10:04,566 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 154 states, 153 states have (on average 1.3594771241830066) internal successors, (208), 153 states have internal predecessors, (208), 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) [2021-12-19 19:10:04,582 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2021-12-19 19:10:04,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:10:04,582 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:10:04,586 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:10:04,587 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:10:04,587 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-19 19:10:04,590 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 154 states, 153 states have (on average 1.3594771241830066) internal successors, (208), 153 states have internal predecessors, (208), 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) [2021-12-19 19:10:04,595 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2021-12-19 19:10:04,598 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:10:04,598 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:10:04,598 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:10:04,598 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:10:04,602 INFO L791 eck$LassoCheckResult]: Stem: 142#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 48#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 62#L687true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 147#L680true 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; 150#L695true main_#t~ret29#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1; 58#L549true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 104#L521true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 122#L425true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 20#L890-2true [2021-12-19 19:10:04,602 INFO L793 eck$LassoCheckResult]: Loop: 20#L890-2true assume !false; 85#L891true assume test_~splverifierCounter~0#1 < 4; 139#L892true test_~tmp~8#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 99#L900true assume !(0 != test_~tmp~8#1); 123#L900-2true test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 17#L910true assume !(0 != test_~tmp___0~2#1); 70#L910-2true test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 143#L920true assume 0 != test_~tmp___2~0#1; 115#L926-2true assume { :begin_inline_timeShift } true; 134#L709true assume !(0 != ~pumpRunning~0); 7#L709-2true assume !(0 != ~systemActive~0); 135#L716-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret27#1, __utac_acc__Specification2_spec__2_#t~ret28#1, __utac_acc__Specification2_spec__2_~tmp~3#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~3#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; 26#L610-1true __utac_acc__Specification2_spec__2_#t~ret27#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~3#1 := __utac_acc__Specification2_spec__2_#t~ret27#1;havoc __utac_acc__Specification2_spec__2_#t~ret27#1; 46#L436true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3#1);~methAndRunningLastTime~0 := 0; 30#L436-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 101#L726true assume { :end_inline_timeShift } true; 20#L890-2true [2021-12-19 19:10:04,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:10:04,606 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2021-12-19 19:10:04,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:10:04,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750674759] [2021-12-19 19:10:04,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:10:04,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:10:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:10:04,677 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:10:04,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:10:04,706 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:10:04,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:10:04,708 INFO L85 PathProgramCache]: Analyzing trace with hash -947890230, now seen corresponding path program 1 times [2021-12-19 19:10:04,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:10:04,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648941804] [2021-12-19 19:10:04,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:10:04,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:10:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:10:04,714 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:10:04,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:10:04,719 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:10:04,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:10:04,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1110177613, now seen corresponding path program 1 times [2021-12-19 19:10:04,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:10:04,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006657614] [2021-12-19 19:10:04,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:10:04,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:10:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:10:04,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:10:04,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:10:04,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006657614] [2021-12-19 19:10:04,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006657614] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:10:04,795 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:10:04,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-19 19:10:04,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731500527] [2021-12-19 19:10:04,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:10:04,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 19:10:04,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-19 19:10:04,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-19 19:10:04,895 INFO L87 Difference]: Start difference. First operand has 154 states, 153 states have (on average 1.3594771241830066) internal successors, (208), 153 states have internal predecessors, (208), 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) [2021-12-19 19:10:04,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 19:10:04,956 INFO L93 Difference]: Finished difference Result 151 states and 194 transitions. [2021-12-19 19:10:04,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-19 19:10:04,974 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 151 states and 194 transitions. [2021-12-19 19:10:04,977 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 94 [2021-12-19 19:10:04,980 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 151 states to 141 states and 184 transitions. [2021-12-19 19:10:04,981 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 141 [2021-12-19 19:10:04,981 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 141 [2021-12-19 19:10:04,981 INFO L73 IsDeterministic]: Start isDeterministic. Operand 141 states and 184 transitions. [2021-12-19 19:10:04,982 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 19:10:04,982 INFO L681 BuchiCegarLoop]: Abstraction has 141 states and 184 transitions. [2021-12-19 19:10:04,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states and 184 transitions. [2021-12-19 19:10:05,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2021-12-19 19:10:05,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 141 states have (on average 1.3049645390070923) internal successors, (184), 140 states have internal predecessors, (184), 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) [2021-12-19 19:10:05,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 184 transitions. [2021-12-19 19:10:05,014 INFO L704 BuchiCegarLoop]: Abstraction has 141 states and 184 transitions. [2021-12-19 19:10:05,015 INFO L587 BuchiCegarLoop]: Abstraction has 141 states and 184 transitions. [2021-12-19 19:10:05,015 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-19 19:10:05,015 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 141 states and 184 transitions. [2021-12-19 19:10:05,019 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 94 [2021-12-19 19:10:05,021 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:10:05,022 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:10:05,022 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:10:05,023 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:10:05,023 INFO L791 eck$LassoCheckResult]: Stem: 461#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 394#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 395#L687 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 413#L680 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; 462#L695 main_#t~ret29#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1; 408#L549 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 409#L521 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 447#L425 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 353#L890-2 [2021-12-19 19:10:05,023 INFO L793 eck$LassoCheckResult]: Loop: 353#L890-2 assume !false; 354#L891 assume test_~splverifierCounter~0#1 < 4; 432#L892 test_~tmp~8#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 445#L900 assume !(0 != test_~tmp~8#1); 403#L900-2 test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 347#L910 assume !(0 != test_~tmp___0~2#1); 349#L910-2 test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 421#L920 assume 0 != test_~tmp___2~0#1; 451#L926-2 assume { :begin_inline_timeShift } true; 454#L709 assume !(0 != ~pumpRunning~0); 329#L709-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 330#L767 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret36#1, processEnvironment__wrappee__lowWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5#1; 437#L741-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 438#L733-3 assume { :end_inline_processEnvironment__wrappee__base } true; 442#L741-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 416#L767-1 assume { :end_inline_processEnvironment } true; 417#L716-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret27#1, __utac_acc__Specification2_spec__2_#t~ret28#1, __utac_acc__Specification2_spec__2_~tmp~3#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~3#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; 362#L610-1 __utac_acc__Specification2_spec__2_#t~ret27#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~3#1 := __utac_acc__Specification2_spec__2_#t~ret27#1;havoc __utac_acc__Specification2_spec__2_#t~ret27#1; 363#L436 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3#1);~methAndRunningLastTime~0 := 0; 358#L436-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 366#L726 assume { :end_inline_timeShift } true; 353#L890-2 [2021-12-19 19:10:05,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:10:05,024 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2021-12-19 19:10:05,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:10:05,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30834295] [2021-12-19 19:10:05,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:10:05,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:10:05,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:10:05,042 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:10:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:10:05,070 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:10:05,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:10:05,074 INFO L85 PathProgramCache]: Analyzing trace with hash -571727994, now seen corresponding path program 1 times [2021-12-19 19:10:05,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:10:05,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086131312] [2021-12-19 19:10:05,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:10:05,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:10:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:10:05,081 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:10:05,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:10:05,086 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:10:05,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:10:05,088 INFO L85 PathProgramCache]: Analyzing trace with hash -973105091, now seen corresponding path program 1 times [2021-12-19 19:10:05,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:10:05,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854879821] [2021-12-19 19:10:05,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:10:05,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:10:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:10:05,112 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:10:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:10:05,132 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:10:07,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.12 07:10:07 BoogieIcfgContainer [2021-12-19 19:10:07,451 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-19 19:10:07,452 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-19 19:10:07,452 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-19 19:10:07,452 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-19 19:10:07,452 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 07:10:04" (3/4) ... [2021-12-19 19:10:07,454 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-12-19 19:10:07,488 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-19 19:10:07,488 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-19 19:10:07,489 INFO L158 Benchmark]: Toolchain (without parser) took 3830.82ms. Allocated memory was 96.5MB in the beginning and 174.1MB in the end (delta: 77.6MB). Free memory was 64.9MB in the beginning and 119.2MB in the end (delta: -54.3MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2021-12-19 19:10:07,489 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 96.5MB. Free memory was 53.1MB in the beginning and 53.0MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 19:10:07,490 INFO L158 Benchmark]: CACSL2BoogieTranslator took 420.06ms. Allocated memory is still 96.5MB. Free memory was 64.6MB in the beginning and 65.0MB in the end (delta: -352.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-19 19:10:07,490 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.95ms. Allocated memory is still 96.5MB. Free memory was 65.0MB in the beginning and 61.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-19 19:10:07,490 INFO L158 Benchmark]: Boogie Preprocessor took 39.12ms. Allocated memory is still 96.5MB. Free memory was 61.8MB in the beginning and 59.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-19 19:10:07,491 INFO L158 Benchmark]: RCFGBuilder took 333.93ms. Allocated memory was 96.5MB in the beginning and 127.9MB in the end (delta: 31.5MB). Free memory was 59.7MB in the beginning and 98.6MB in the end (delta: -38.9MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2021-12-19 19:10:07,491 INFO L158 Benchmark]: BuchiAutomizer took 2927.83ms. Allocated memory was 127.9MB in the beginning and 174.1MB in the end (delta: 46.1MB). Free memory was 98.6MB in the beginning and 122.3MB in the end (delta: -23.7MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2021-12-19 19:10:07,492 INFO L158 Benchmark]: Witness Printer took 36.32ms. Allocated memory is still 174.1MB. Free memory was 122.3MB in the beginning and 119.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-19 19:10:07,494 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 96.5MB. Free memory was 53.1MB in the beginning and 53.0MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 420.06ms. Allocated memory is still 96.5MB. Free memory was 64.6MB in the beginning and 65.0MB in the end (delta: -352.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.95ms. Allocated memory is still 96.5MB. Free memory was 65.0MB in the beginning and 61.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.12ms. Allocated memory is still 96.5MB. Free memory was 61.8MB in the beginning and 59.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 333.93ms. Allocated memory was 96.5MB in the beginning and 127.9MB in the end (delta: 31.5MB). Free memory was 59.7MB in the beginning and 98.6MB in the end (delta: -38.9MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 2927.83ms. Allocated memory was 127.9MB in the beginning and 174.1MB in the end (delta: 46.1MB). Free memory was 98.6MB in the beginning and 122.3MB in the end (delta: -23.7MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. * Witness Printer took 36.32ms. Allocated memory is still 174.1MB. Free memory was 122.3MB in the beginning and 119.2MB in the end (delta: 3.0MB). 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 141 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 141 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 572 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 572 mSDsluCounter, 193 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 189 mSDtfsCounter, 8 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: 890]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1916ad27=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f9aa1f5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@525898f3=0, NULL=0, head=0, pumpRunning=0, tmp___0=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11206506=0, NULL=1, methaneLevelCritical=0, retValue_acc=0, tmp=0, \result=0, retValue_acc=1, \result=1, tmp=0, tmp___2=29, methAndRunningLastTime=0, tmp=1, cleanupTimeShifts=4, \result=0, head=0, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60740680=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3569a7c7=0, waterLevel=1, systemActive=1, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@eb3a3c2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@564c14a8=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@395de2a8=0, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 890]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L419] int methAndRunningLastTime ; [L458] int cleanupTimeShifts = 4; [L567] int waterLevel = 1; [L568] int methaneLevelCritical = 0; [L702] int pumpRunning = 0; [L703] int systemActive = 1; [L540] int retValue_acc ; [L541] int tmp ; [L545] FCALL select_helpers() [L546] FCALL select_features() [L547] CALL, EXPR valid_product() [L691] int retValue_acc ; [L694] retValue_acc = 1 [L695] return (retValue_acc); [L547] RET, EXPR valid_product() [L547] tmp = valid_product() [L549] COND TRUE \read(tmp) [L551] FCALL setup() [L552] CALL runTest() [L530] CALL __utac_acc__Specification2_spec__1() [L424] methAndRunningLastTime = 0 [L530] RET __utac_acc__Specification2_spec__1() [L531] CALL test() [L881] int splverifierCounter ; [L882] int tmp ; [L883] int tmp___0 ; [L884] int tmp___1 ; [L885] int tmp___2 ; [L888] splverifierCounter = 0 Loop: [L890] COND TRUE 1 [L892] COND TRUE splverifierCounter < 4 [L898] tmp = __VERIFIER_nondet_int() [L900] COND FALSE !(\read(tmp)) [L908] tmp___0 = __VERIFIER_nondet_int() [L910] COND FALSE !(\read(tmp___0)) [L918] tmp___2 = __VERIFIER_nondet_int() [L920] COND TRUE \read(tmp___2) [L933] CALL timeShift() [L709] COND FALSE !(\read(pumpRunning)) [L716] COND TRUE \read(systemActive) [L718] CALL processEnvironment() [L764] int tmp ; [L767] COND FALSE !(\read(pumpRunning)) [L782] CALL processEnvironment__wrappee__lowWaterSensor() [L738] int tmp ; [L741] COND FALSE !(\read(pumpRunning)) [L756] FCALL processEnvironment__wrappee__base() [L782] RET processEnvironment__wrappee__lowWaterSensor() [L718] RET processEnvironment() [L724] CALL __utac_acc__Specification2_spec__2() [L429] int tmp ; [L430] int tmp___0 ; [L434] CALL, EXPR isMethaneLevelCritical() [L606] int retValue_acc ; [L609] retValue_acc = methaneLevelCritical [L610] return (retValue_acc); [L434] RET, EXPR isMethaneLevelCritical() [L434] tmp = isMethaneLevelCritical() [L436] COND FALSE !(\read(tmp)) [L452] methAndRunningLastTime = 0 [L724] RET __utac_acc__Specification2_spec__2() [L933] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-12-19 19:10:07,537 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)