./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product10.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 1fbaddd6fd169b7b48095dcc33030c6e5a8d967c7f37e463c0b8f5252997cc40 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 09:58:54,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 09:58:54,461 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 09:58:54,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 09:58:54,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 09:58:54,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 09:58:54,515 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 09:58:54,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 09:58:54,519 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 09:58:54,520 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 09:58:54,521 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 09:58:54,522 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 09:58:54,523 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 09:58:54,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 09:58:54,529 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 09:58:54,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 09:58:54,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 09:58:54,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 09:58:54,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 09:58:54,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 09:58:54,541 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 09:58:54,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 09:58:54,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 09:58:54,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 09:58:54,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 09:58:54,551 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 09:58:54,551 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 09:58:54,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 09:58:54,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 09:58:54,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 09:58:54,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 09:58:54,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 09:58:54,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 09:58:54,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 09:58:54,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 09:58:54,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 09:58:54,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 09:58:54,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 09:58:54,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 09:58:54,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 09:58:54,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 09:58:54,559 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-16 09:58:54,585 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 09:58:54,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 09:58:54,587 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 09:58:54,587 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 09:58:54,588 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 09:58:54,588 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 09:58:54,589 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 09:58:54,589 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-16 09:58:54,589 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-16 09:58:54,589 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-16 09:58:54,590 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-16 09:58:54,590 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-16 09:58:54,590 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-16 09:58:54,590 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 09:58:54,590 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 09:58:54,591 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-16 09:58:54,591 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 09:58:54,591 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 09:58:54,591 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 09:58:54,591 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-16 09:58:54,591 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-16 09:58:54,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-16 09:58:54,592 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 09:58:54,592 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 09:58:54,592 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-16 09:58:54,592 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 09:58:54,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-16 09:58:54,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 09:58:54,593 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 09:58:54,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 09:58:54,593 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 09:58:54,593 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 09:58:54,594 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-16 09:58:54,594 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fbaddd6fd169b7b48095dcc33030c6e5a8d967c7f37e463c0b8f5252997cc40 [2021-12-16 09:58:54,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 09:58:54,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 09:58:54,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 09:58:54,810 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 09:58:54,810 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 09:58:54,811 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c [2021-12-16 09:58:54,860 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fda43c97/6c1afeda4ad24613b53e89a4c729ea12/FLAG79529d5ac [2021-12-16 09:58:55,279 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 09:58:55,280 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c [2021-12-16 09:58:55,296 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fda43c97/6c1afeda4ad24613b53e89a4c729ea12/FLAG79529d5ac [2021-12-16 09:58:55,307 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fda43c97/6c1afeda4ad24613b53e89a4c729ea12 [2021-12-16 09:58:55,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 09:58:55,312 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 09:58:55,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 09:58:55,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 09:58:55,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 09:58:55,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 09:58:55" (1/1) ... [2021-12-16 09:58:55,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38463a3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:58:55, skipping insertion in model container [2021-12-16 09:58:55,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 09:58:55" (1/1) ... [2021-12-16 09:58:55,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 09:58:55,362 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 09:58:55,517 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_product10.cil.c[1605,1618] [2021-12-16 09:58:55,641 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 09:58:55,647 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 09:58:55,662 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_product10.cil.c[1605,1618] [2021-12-16 09:58:55,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 09:58:55,722 INFO L208 MainTranslator]: Completed translation [2021-12-16 09:58:55,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:58:55 WrapperNode [2021-12-16 09:58:55,723 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 09:58:55,723 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 09:58:55,724 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 09:58:55,724 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 09:58:55,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:58:55" (1/1) ... [2021-12-16 09:58:55,743 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:58:55" (1/1) ... [2021-12-16 09:58:55,762 INFO L137 Inliner]: procedures = 51, calls = 147, calls flagged for inlining = 44, calls inlined = 33, statements flattened = 281 [2021-12-16 09:58:55,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 09:58:55,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 09:58:55,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 09:58:55,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 09:58:55,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:58:55" (1/1) ... [2021-12-16 09:58:55,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:58:55" (1/1) ... [2021-12-16 09:58:55,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:58:55" (1/1) ... [2021-12-16 09:58:55,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:58:55" (1/1) ... [2021-12-16 09:58:55,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:58:55" (1/1) ... [2021-12-16 09:58:55,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:58:55" (1/1) ... [2021-12-16 09:58:55,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:58:55" (1/1) ... [2021-12-16 09:58:55,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 09:58:55,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 09:58:55,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 09:58:55,783 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 09:58:55,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:58:55" (1/1) ... [2021-12-16 09:58:55,804 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:58:55,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:58:55,836 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:58:55,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-16 09:58:55,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 09:58:55,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 09:58:55,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 09:58:55,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 09:58:55,931 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 09:58:55,933 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 09:58:56,143 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 09:58:56,147 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 09:58:56,148 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-16 09:58:56,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:58:56 BoogieIcfgContainer [2021-12-16 09:58:56,149 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 09:58:56,150 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-16 09:58:56,150 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-16 09:58:56,152 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-16 09:58:56,153 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 09:58:56,153 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.12 09:58:55" (1/3) ... [2021-12-16 09:58:56,153 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6cfaca32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.12 09:58:56, skipping insertion in model container [2021-12-16 09:58:56,153 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 09:58:56,154 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:58:55" (2/3) ... [2021-12-16 09:58:56,154 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6cfaca32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.12 09:58:56, skipping insertion in model container [2021-12-16 09:58:56,154 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 09:58:56,154 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:58:56" (3/3) ... [2021-12-16 09:58:56,155 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product10.cil.c [2021-12-16 09:58:56,185 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-16 09:58:56,185 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-16 09:58:56,186 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-16 09:58:56,186 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-16 09:58:56,186 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-16 09:58:56,186 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-16 09:58:56,186 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-16 09:58:56,186 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-16 09:58:56,198 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 76 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 75 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:58:56,216 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2021-12-16 09:58:56,217 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:58:56,217 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:58:56,221 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:58:56,221 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:58:56,221 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-16 09:58:56,222 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 76 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 75 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:58:56,231 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2021-12-16 09:58:56,231 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:58:56,231 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:58:56,232 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:58:56,232 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:58:56,236 INFO L791 eck$LassoCheckResult]: Stem: 65#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(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 52#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret13#1, main_~retValue_acc~2#1, main_~tmp~1#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 15#L866true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 61#L859true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 17#L874true main_#t~ret13#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret13#1;havoc main_#t~ret13#1; 27#L301true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 53#L275true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#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; 18#L158-2true [2021-12-16 09:58:56,237 INFO L793 eck$LassoCheckResult]: Loop: 18#L158-2true assume !false; 10#L159true assume test_~splverifierCounter~0#1 < 4; 29#L160true test_~tmp~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 5#L168true assume !(0 != test_~tmp~0#1); 12#L168-2true test_~tmp___0~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 38#L178true assume !(0 != test_~tmp___0~0#1); 13#L178-2true test_~tmp___2~0#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1; 21#L188true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 25#L814true assume { :end_inline_startSystem } true; 70#L196-2true assume { :begin_inline_timeShift } true; 48#L692true assume !(0 != ~pumpRunning~0); 34#L692-2true assume !(0 != ~systemActive~0); 24#L699-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 28#L108true __utac_acc__Specification1_spec__1_#t~ret47#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret47#1;havoc __utac_acc__Specification1_spec__1_#t~ret47#1; 62#L826true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); 63#L826-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 58#L709true assume { :end_inline_timeShift } true; 18#L158-2true [2021-12-16 09:58:56,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:58:56,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2021-12-16 09:58:56,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:58:56,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152334276] [2021-12-16 09:58:56,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:58:56,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:58:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:58:56,347 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:58:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:58:56,411 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:58:56,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:58:56,414 INFO L85 PathProgramCache]: Analyzing trace with hash 289308929, now seen corresponding path program 1 times [2021-12-16 09:58:56,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:58:56,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599396554] [2021-12-16 09:58:56,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:58:56,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:58:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:58:56,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:58:56,496 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:58:56,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599396554] [2021-12-16 09:58:56,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599396554] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:58:56,497 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:58:56,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 09:58:56,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553956544] [2021-12-16 09:58:56,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:58:56,502 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-16 09:58:56,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 09:58:56,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 09:58:56,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 09:58:56,528 INFO L87 Difference]: Start difference. First operand has 76 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 75 states have internal predecessors, (103), 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) [2021-12-16 09:58:56,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 09:58:56,566 INFO L93 Difference]: Finished difference Result 73 states and 90 transitions. [2021-12-16 09:58:56,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 09:58:56,571 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 90 transitions. [2021-12-16 09:58:56,577 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2021-12-16 09:58:56,581 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 63 states and 79 transitions. [2021-12-16 09:58:56,582 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 63 [2021-12-16 09:58:56,583 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 63 [2021-12-16 09:58:56,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 63 states and 79 transitions. [2021-12-16 09:58:56,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 09:58:56,584 INFO L681 BuchiCegarLoop]: Abstraction has 63 states and 79 transitions. [2021-12-16 09:58:56,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states and 79 transitions. [2021-12-16 09:58:56,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2021-12-16 09:58:56,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 63 states have (on average 1.253968253968254) internal successors, (79), 62 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:58:56,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 79 transitions. [2021-12-16 09:58:56,609 INFO L704 BuchiCegarLoop]: Abstraction has 63 states and 79 transitions. [2021-12-16 09:58:56,609 INFO L587 BuchiCegarLoop]: Abstraction has 63 states and 79 transitions. [2021-12-16 09:58:56,610 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-16 09:58:56,610 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states and 79 transitions. [2021-12-16 09:58:56,613 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2021-12-16 09:58:56,613 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:58:56,613 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:58:56,614 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:58:56,614 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:58:56,614 INFO L791 eck$LassoCheckResult]: Stem: 217#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(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 214#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret13#1, main_~retValue_acc~2#1, main_~tmp~1#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 175#L866 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 176#L859 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 177#L874 main_#t~ret13#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret13#1;havoc main_#t~ret13#1; 178#L301 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 195#L275 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#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; 179#L158-2 [2021-12-16 09:58:56,615 INFO L793 eck$LassoCheckResult]: Loop: 179#L158-2 assume !false; 169#L159 assume test_~splverifierCounter~0#1 < 4; 170#L160 test_~tmp~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 160#L168 assume !(0 != test_~tmp~0#1); 162#L168-2 test_~tmp___0~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 172#L178 assume !(0 != test_~tmp___0~0#1); 173#L178-2 test_~tmp___2~0#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1; 174#L188 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 184#L196 assume 0 != test_~tmp___1~0#1; 191#L196-2 assume { :begin_inline_timeShift } true; 211#L692 assume !(0 != ~pumpRunning~0); 201#L692-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 202#L716 assume { :end_inline_processEnvironment } true; 189#L699-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 190#L108 __utac_acc__Specification1_spec__1_#t~ret47#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret47#1;havoc __utac_acc__Specification1_spec__1_#t~ret47#1; 194#L826 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); 210#L826-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 216#L709 assume { :end_inline_timeShift } true; 179#L158-2 [2021-12-16 09:58:56,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:58:56,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2021-12-16 09:58:56,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:58:56,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934939268] [2021-12-16 09:58:56,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:58:56,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:58:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:58:56,645 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:58:56,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:58:56,661 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:58:56,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:58:56,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1426283493, now seen corresponding path program 1 times [2021-12-16 09:58:56,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:58:56,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193278957] [2021-12-16 09:58:56,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:58:56,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:58:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:58:56,673 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:58:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:58:56,678 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:58:56,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:58:56,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1686042455, now seen corresponding path program 1 times [2021-12-16 09:58:56,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:58:56,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851949016] [2021-12-16 09:58:56,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:58:56,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:58:56,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:58:56,705 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:58:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:58:56,717 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:58:59,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.12 09:58:59 BoogieIcfgContainer [2021-12-16 09:58:59,398 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-16 09:58:59,399 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 09:58:59,399 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 09:58:59,399 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 09:58:59,400 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:58:56" (3/4) ... [2021-12-16 09:58:59,402 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-12-16 09:58:59,456 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-16 09:58:59,457 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 09:58:59,458 INFO L158 Benchmark]: Toolchain (without parser) took 4145.25ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 67.8MB in the beginning and 37.5MB in the end (delta: 30.3MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. [2021-12-16 09:58:59,458 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 98.6MB. Free memory was 55.5MB in the beginning and 55.4MB in the end (delta: 43.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 09:58:59,459 INFO L158 Benchmark]: CACSL2BoogieTranslator took 409.12ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 67.5MB in the beginning and 94.0MB in the end (delta: -26.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-16 09:58:59,460 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.84ms. Allocated memory is still 125.8MB. Free memory was 94.0MB in the beginning and 92.0MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-16 09:58:59,461 INFO L158 Benchmark]: Boogie Preprocessor took 19.54ms. Allocated memory is still 125.8MB. Free memory was 92.0MB in the beginning and 89.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 09:58:59,461 INFO L158 Benchmark]: RCFGBuilder took 366.34ms. Allocated memory is still 125.8MB. Free memory was 89.9MB in the beginning and 75.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-16 09:58:59,466 INFO L158 Benchmark]: BuchiAutomizer took 3248.79ms. Allocated memory is still 125.8MB. Free memory was 75.2MB in the beginning and 39.6MB in the end (delta: 35.6MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. [2021-12-16 09:58:59,467 INFO L158 Benchmark]: Witness Printer took 57.94ms. Allocated memory is still 125.8MB. Free memory was 39.6MB in the beginning and 37.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 09:58:59,469 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 98.6MB. Free memory was 55.5MB in the beginning and 55.4MB in the end (delta: 43.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 409.12ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 67.5MB in the beginning and 94.0MB in the end (delta: -26.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.84ms. Allocated memory is still 125.8MB. Free memory was 94.0MB in the beginning and 92.0MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.54ms. Allocated memory is still 125.8MB. Free memory was 92.0MB in the beginning and 89.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 366.34ms. Allocated memory is still 125.8MB. Free memory was 89.9MB in the beginning and 75.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 3248.79ms. Allocated memory is still 125.8MB. Free memory was 75.2MB in the beginning and 39.6MB in the end (delta: 35.6MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. * Witness Printer took 57.94ms. Allocated memory is still 125.8MB. Free memory was 39.6MB in the beginning and 37.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 63 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.0s. 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 63 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 85 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 85 mSDsluCounter, 87 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 87 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 158]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@fc6867c=0, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5dfc6031=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1b6f2a23=0, tmp___0=0, NULL=1, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7595dcb1=0, retValue_acc=0, methaneLevelCritical=0, retValue_acc=1, \result=0, retValue_acc=0, \result=1, tmp___2=0, tmp=0, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6531abd1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c1f2e54=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b8dddce=0, \result=0, tmp=1, head=0, tmp___1=29, NULL=0, waterLevel=1, systemActive=1, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 158]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L65] int waterLevel = 1; [L66] int methaneLevelCritical = 0; [L215] int cleanupTimeShifts = 4; [L484] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L684] int pumpRunning = 0; [L685] int systemActive = 1; [L292] int retValue_acc ; [L293] int tmp ; [L297] FCALL select_helpers() [L298] FCALL select_features() [L299] CALL, EXPR valid_product() [L870] int retValue_acc ; [L873] retValue_acc = 1 [L874] return (retValue_acc); [L299] RET, EXPR valid_product() [L299] tmp = valid_product() [L301] COND TRUE \read(tmp) [L303] FCALL setup() [L304] CALL runTest() [L283] CALL test() [L149] int splverifierCounter ; [L150] int tmp ; [L151] int tmp___0 ; [L152] int tmp___1 ; [L153] int tmp___2 ; [L156] splverifierCounter = 0 Loop: [L158] COND TRUE 1 [L160] COND TRUE splverifierCounter < 4 [L166] tmp = __VERIFIER_nondet_int() [L168] COND FALSE !(\read(tmp)) [L176] tmp___0 = __VERIFIER_nondet_int() [L178] COND FALSE !(\read(tmp___0)) [L186] tmp___2 = __VERIFIER_nondet_int() [L188] COND FALSE !(\read(tmp___2)) [L194] tmp___1 = __VERIFIER_nondet_int() [L196] COND TRUE \read(tmp___1) [L203] CALL timeShift() [L692] COND FALSE !(\read(pumpRunning)) [L699] COND TRUE \read(systemActive) [L701] FCALL processEnvironment() [L707] CALL __utac_acc__Specification1_spec__1() [L819] int tmp ; [L820] int tmp___0 ; [L824] CALL, EXPR isMethaneLevelCritical() [L104] int retValue_acc ; [L107] retValue_acc = methaneLevelCritical [L108] return (retValue_acc); [L824] RET, EXPR isMethaneLevelCritical() [L824] tmp = isMethaneLevelCritical() [L826] COND FALSE !(\read(tmp)) [L707] RET __utac_acc__Specification1_spec__1() [L203] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-12-16 09:58:59,523 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)