./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8d31f386 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_product01.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 13018d05e5180308d22b24564c440286d54746ad ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-06 20:09:15,758 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 20:09:15,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 20:09:15,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 20:09:15,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 20:09:15,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 20:09:15,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 20:09:15,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 20:09:15,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 20:09:15,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 20:09:15,787 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 20:09:15,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 20:09:15,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 20:09:15,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 20:09:15,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 20:09:15,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 20:09:15,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 20:09:15,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 20:09:15,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 20:09:15,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 20:09:15,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 20:09:15,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 20:09:15,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 20:09:15,797 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 20:09:15,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 20:09:15,799 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 20:09:15,799 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 20:09:15,800 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 20:09:15,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 20:09:15,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 20:09:15,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 20:09:15,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 20:09:15,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 20:09:15,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 20:09:15,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 20:09:15,804 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 20:09:15,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 20:09:15,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 20:09:15,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 20:09:15,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 20:09:15,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 20:09:15,807 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-07-06 20:09:15,822 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 20:09:15,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 20:09:15,823 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 20:09:15,823 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 20:09:15,823 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 20:09:15,823 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-07-06 20:09:15,824 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-07-06 20:09:15,824 INFO L138 SettingsManager]: * Use old map elimination=false [2021-07-06 20:09:15,824 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-07-06 20:09:15,824 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-07-06 20:09:15,824 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-07-06 20:09:15,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 20:09:15,825 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-06 20:09:15,829 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 20:09:15,829 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 20:09:15,829 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-06 20:09:15,830 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 20:09:15,830 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-07-06 20:09:15,830 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-07-06 20:09:15,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-07-06 20:09:15,830 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-06 20:09:15,831 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-06 20:09:15,831 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-07-06 20:09:15,831 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 20:09:15,831 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-07-06 20:09:15,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 20:09:15,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 20:09:15,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 20:09:15,832 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-06 20:09:15,832 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 20:09:15,833 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-07-06 20:09:15,833 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13018d05e5180308d22b24564c440286d54746ad [2021-07-06 20:09:16,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 20:09:16,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 20:09:16,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 20:09:16,094 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 20:09:16,094 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 20:09:16,095 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c [2021-07-06 20:09:16,142 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35d5a1f63/d1e65093e3f94ec999c82afe6122fedd/FLAG7767daca0 [2021-07-06 20:09:16,574 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 20:09:16,575 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c [2021-07-06 20:09:16,584 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35d5a1f63/d1e65093e3f94ec999c82afe6122fedd/FLAG7767daca0 [2021-07-06 20:09:16,922 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35d5a1f63/d1e65093e3f94ec999c82afe6122fedd [2021-07-06 20:09:16,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 20:09:16,928 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-06 20:09:16,931 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 20:09:16,931 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 20:09:16,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 20:09:16,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 08:09:16" (1/1) ... [2021-07-06 20:09:16,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5713991d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:09:16, skipping insertion in model container [2021-07-06 20:09:16,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 08:09:16" (1/1) ... [2021-07-06 20:09:16,939 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 20:09:16,976 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 20:09:17,111 WARN L224 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_product01.cil.c[6722,6735] [2021-07-06 20:09:17,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 20:09:17,206 INFO L203 MainTranslator]: Completed pre-run [2021-07-06 20:09:17,238 WARN L224 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_product01.cil.c[6722,6735] [2021-07-06 20:09:17,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 20:09:17,315 INFO L208 MainTranslator]: Completed translation [2021-07-06 20:09:17,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:09:17 WrapperNode [2021-07-06 20:09:17,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 20:09:17,316 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-06 20:09:17,317 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-06 20:09:17,317 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-06 20:09:17,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:09:17" (1/1) ... [2021-07-06 20:09:17,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:09:17" (1/1) ... [2021-07-06 20:09:17,374 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-06 20:09:17,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-06 20:09:17,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-06 20:09:17,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-06 20:09:17,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:09:17" (1/1) ... [2021-07-06 20:09:17,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:09:17" (1/1) ... [2021-07-06 20:09:17,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:09:17" (1/1) ... [2021-07-06 20:09:17,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:09:17" (1/1) ... [2021-07-06 20:09:17,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:09:17" (1/1) ... [2021-07-06 20:09:17,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:09:17" (1/1) ... [2021-07-06 20:09:17,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:09:17" (1/1) ... [2021-07-06 20:09:17,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-06 20:09:17,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-06 20:09:17,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-06 20:09:17,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-06 20:09:17,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:09:17" (1/1) ... [2021-07-06 20:09:17,438 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 20:09:17,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 20:09:17,453 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) [2021-07-06 20:09:17,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-07-06 20:09:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-06 20:09:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-06 20:09:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-06 20:09:17,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-06 20:09:17,925 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-06 20:09:17,925 INFO L299 CfgBuilder]: Removed 66 assume(true) statements. [2021-07-06 20:09:17,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:09:17 BoogieIcfgContainer [2021-07-06 20:09:17,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-06 20:09:17,927 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-07-06 20:09:17,927 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-07-06 20:09:17,929 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-07-06 20:09:17,929 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:09:17,929 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.07 08:09:16" (1/3) ... [2021-07-06 20:09:17,930 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65906064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 08:09:17, skipping insertion in model container [2021-07-06 20:09:17,930 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:09:17,930 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:09:17" (2/3) ... [2021-07-06 20:09:17,930 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65906064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 08:09:17, skipping insertion in model container [2021-07-06 20:09:17,935 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:09:17,935 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:09:17" (3/3) ... [2021-07-06 20:09:17,937 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product01.cil.c [2021-07-06 20:09:17,962 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-07-06 20:09:17,962 INFO L360 BuchiCegarLoop]: Hoare is false [2021-07-06 20:09:17,963 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-07-06 20:09:17,963 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-06 20:09:17,963 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-06 20:09:17,963 INFO L364 BuchiCegarLoop]: Difference is false [2021-07-06 20:09:17,963 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-06 20:09:17,963 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-07-06 20:09:17,972 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 54 states, 53 states have (on average 1.528301886792453) internal successors, (81), 53 states have internal predecessors, (81), 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) [2021-07-06 20:09:17,985 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2021-07-06 20:09:17,985 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:09:17,985 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:09:17,990 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-07-06 20:09:17,990 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:09:17,990 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-07-06 20:09:17,991 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 54 states, 53 states have (on average 1.528301886792453) internal successors, (81), 53 states have internal predecessors, (81), 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) [2021-07-06 20:09:17,998 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2021-07-06 20:09:17,998 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:09:17,998 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:09:17,999 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-07-06 20:09:17,999 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:09:18,006 INFO L791 eck$LassoCheckResult]: Stem: 30#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(77, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(101, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(116, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(104, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string13.base, #t~string13.offset, 1);call write~init~int(82, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(73, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(84, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 4 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(75, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 1 + #t~string17.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(13);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(80, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(117, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(109, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(112, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(110, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 3 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(32, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 8#L-1true havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 5#L252true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 35#L260true main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 36#L132true assume 0 != main_~tmp~0; 51#L105true havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 23#L450-1true [2021-07-06 20:09:18,007 INFO L793 eck$LassoCheckResult]: Loop: 23#L450-1true assume !false; 4#L387true assume test_~splverifierCounter~0 < 4; 17#L388true test_~tmp~1 := test_#t~nondet36;havoc test_#t~nondet36; 41#L396true assume !(0 != test_~tmp~1); 43#L396-1true test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; 24#L406true assume !(0 != test_~tmp___0~0); 27#L406-1true test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; 7#L416true assume 0 != test_~tmp___2~0; 37#L422-2true assume !(0 != ~pumpRunning~0); 45#L276true assume 0 != ~systemActive~0; 39#L283true havoc __utac_acc__Specification1_spec__1_#t~ret40, __utac_acc__Specification1_spec__1_#t~ret41, __utac_acc__Specification1_spec__1_~tmp~2, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~2;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; 13#L193true __utac_acc__Specification1_spec__1_#t~ret40 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~2 := __utac_acc__Specification1_spec__1_#t~ret40;havoc __utac_acc__Specification1_spec__1_#t~ret40; 20#L450true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2); 23#L450-1true [2021-07-06 20:09:18,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:09:18,012 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-07-06 20:09:18,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:09:18,018 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52250568] [2021-07-06 20:09:18,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:09:18,019 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:09:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:09:18,203 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:09:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:09:18,280 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:09:18,327 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:09:18,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:09:18,329 INFO L82 PathProgramCache]: Analyzing trace with hash -1682573531, now seen corresponding path program 1 times [2021-07-06 20:09:18,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:09:18,329 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337299265] [2021-07-06 20:09:18,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:09:18,329 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:09:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:09:18,333 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:09:18,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:09:18,335 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:09:18,349 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:09:18,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:09:18,350 INFO L82 PathProgramCache]: Analyzing trace with hash 31705407, now seen corresponding path program 1 times [2021-07-06 20:09:18,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:09:18,350 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655497449] [2021-07-06 20:09:18,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:09:18,350 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:09:18,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:09:18,411 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:09:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:09:18,465 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:09:18,485 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:09:18,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:09:18,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-06 20:09:56,611 WARN L205 SmtUtils]: Spent 38.06 s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-07-06 20:09:56,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:09:56,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2127 [2021-07-06 20:10:15,629 WARN L205 SmtUtils]: Spent 18.93 s on a formula simplification that was a NOOP. DAG size: 433 [2021-07-06 20:10:15,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.07 08:10:15 BoogieIcfgContainer [2021-07-06 20:10:15,760 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-07-06 20:10:15,761 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-06 20:10:15,761 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-06 20:10:15,761 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-06 20:10:15,761 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:09:17" (3/4) ... [2021-07-06 20:10:15,763 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-07-06 20:10:15,827 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-06 20:10:15,827 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-06 20:10:15,827 INFO L168 Benchmark]: Toolchain (without parser) took 58899.21 ms. Allocated memory was 54.5 MB in the beginning and 81.8 MB in the end (delta: 27.3 MB). Free memory was 35.5 MB in the beginning and 50.4 MB in the end (delta: -14.9 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2021-07-06 20:10:15,828 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 44.0 MB. Free memory is still 25.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 20:10:15,828 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.70 ms. Allocated memory is still 54.5 MB. Free memory was 35.2 MB in the beginning and 30.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2021-07-06 20:10:15,828 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.73 ms. Allocated memory is still 54.5 MB. Free memory was 30.4 MB in the beginning and 28.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:10:15,828 INFO L168 Benchmark]: Boogie Preprocessor took 49.89 ms. Allocated memory is still 54.5 MB. Free memory was 27.8 MB in the beginning and 26.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:10:15,829 INFO L168 Benchmark]: RCFGBuilder took 501.11 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 26.0 MB in the beginning and 31.6 MB in the end (delta: -5.6 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. [2021-07-06 20:10:15,829 INFO L168 Benchmark]: BuchiAutomizer took 57833.10 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 31.3 MB in the beginning and 52.5 MB in the end (delta: -21.2 MB). Peak memory consumption was 32.5 MB. Max. memory is 16.1 GB. [2021-07-06 20:10:15,829 INFO L168 Benchmark]: Witness Printer took 65.92 ms. Allocated memory is still 81.8 MB. Free memory was 52.5 MB in the beginning and 50.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:10:15,831 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 44.0 MB. Free memory is still 25.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 384.70 ms. Allocated memory is still 54.5 MB. Free memory was 35.2 MB in the beginning and 30.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 57.73 ms. Allocated memory is still 54.5 MB. Free memory was 30.4 MB in the beginning and 28.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.89 ms. Allocated memory is still 54.5 MB. Free memory was 27.8 MB in the beginning and 26.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 501.11 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 26.0 MB in the beginning and 31.6 MB in the end (delta: -5.6 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 57833.10 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 31.3 MB in the beginning and 52.5 MB in the end (delta: -21.2 MB). Peak memory consumption was 32.5 MB. Max. memory is 16.1 GB. * Witness Printer took 65.92 ms. Allocated memory is still 81.8 MB. Free memory was 52.5 MB in the beginning and 50.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 57.7s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 57.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 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: 386]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=16368} State at position 1 is {NULL=16382, retValue_acc=0, NULL=0, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=16368, NULL=16371, NULL=0, NULL=0, NULL=16370, NULL=16373, NULL=16380, NULL=16375, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@101783b4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@172b6e7f=0, NULL=0, NULL=0, NULL=16392, tmp___1=0, NULL=16381, NULL=16386, NULL=0, NULL=0, tmp___0=0, cleanupTimeShifts=4, tmp=0, NULL=16387, NULL=16376, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@530226b7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7765bb67=81, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@46732abd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3202720d=0, NULL=16385, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=16372, tmp___0=0, NULL=16391, NULL=16377, \result=1, head=0, pumpRunning=0, tmp=1, \result=0, NULL=16384, NULL=16393, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d48b707=0, tmp=0, NULL=16389, NULL=0, retValue_acc=1, NULL=16396, NULL=0, NULL=0, NULL=0, NULL=0, NULL=16383, tmp___2=81, splverifierCounter=0, NULL=0, NULL=0, \result=0, NULL=16395, NULL=16394, NULL=16378, NULL=16369, head=0, NULL=16388, NULL=0, NULL=0, NULL=0, NULL=16390, NULL=16379, NULL=16374} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L42] int cleanupTimeShifts = 4; [L150] int waterLevel = 1; [L151] int methaneLevelCritical = 0; [L268] int pumpRunning = 0; [L269] int systemActive = 1; [L646] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L123] int retValue_acc ; [L124] int tmp ; [L256] int retValue_acc ; [L259] retValue_acc = 1 [L260] return (retValue_acc); [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L377] int splverifierCounter ; [L378] int tmp ; [L379] int tmp___0 ; [L380] int tmp___1 ; [L381] int tmp___2 ; [L384] splverifierCounter = 0 Loop: [L386] COND TRUE 1 [L388] COND TRUE splverifierCounter < 4 [L394] tmp = __VERIFIER_nondet_int() [L396] COND FALSE !(\read(tmp)) [L404] tmp___0 = __VERIFIER_nondet_int() [L406] COND FALSE !(\read(tmp___0)) [L414] tmp___2 = __VERIFIER_nondet_int() [L416] COND TRUE \read(tmp___2) [L276] COND FALSE !(\read(pumpRunning)) [L283] COND TRUE \read(systemActive) [L443] int tmp ; [L444] int tmp___0 ; [L189] int retValue_acc ; [L192] retValue_acc = methaneLevelCritical [L193] return (retValue_acc); [L448] tmp = isMethaneLevelCritical() [L450] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-07-06 20:10:15,880 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...